drivers/gpu/drm/amd/amdgpu/dce_v10

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
dce_v10_0_init_golden_registers
dce_v10_0_audio_endpt_rreg
dce_v10_0_audio_endpt_wreg
dce_v10_0_vblank_get_counter
dce_v10_0_pageflip_interrupt_init
dce_v10_0_pageflip_interrupt_fini
dce_v10_0_page_flip
dce_v10_0_crtc_get_scanoutpos
dce_v10_0_hpd_sense
dce_v10_0_hpd_set_polarity
dce_v10_0_hpd_init
dce_v10_0_hpd_fini
dce_v10_0_hpd_get_gpio_reg
dce_v10_0_is_display_hung
dce_v10_0_set_vga_render_state
dce_v10_0_get_num_crtc
dce_v10_0_disable_dce
dce_v10_0_program_fmt
dce_v10_0_line_buffer_adjust
cik_get_number_of_dram_channels
dce_v10_0_dram_bandwidth
dce_v10_0_dram_bandwidth_for_display
dce_v10_0_data_return_bandwidth
dce_v10_0_dmif_request_bandwidth
dce_v10_0_available_bandwidth
dce_v10_0_average_bandwidth
dce_v10_0_latency_watermark
dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display
dce_v10_0_average_bandwidth_vs_available_bandwidth
dce_v10_0_check_latency_hiding
dce_v10_0_program_watermarks
dce_v10_0_bandwidth_update
dce_v10_0_audio_get_connected_pins
dce_v10_0_audio_get_pin
dce_v10_0_afmt_audio_select_pin
dce_v10_0_audio_write_latency_fields
dce_v10_0_audio_write_speaker_allocation
dce_v10_0_audio_write_sad_regs
dce_v10_0_audio_enable
dce_v10_0_audio_init
dce_v10_0_audio_fini
dce_v10_0_afmt_update_ACR
dce_v10_0_afmt_update_avi_infoframe
dce_v10_0_audio_set_dto
dce_v10_0_afmt_setmode
dce_v10_0_afmt_enable
dce_v10_0_afmt_init
dce_v10_0_afmt_fini
dce_v10_0_vga_enable
dce_v10_0_grph_enable
dce_v10_0_crtc_do_set_base
dce_v10_0_set_interleave
dce_v10_0_crtc_load_lut
dce_v10_0_pick_dig_encoder
dce_v10_0_pick_pll
dce_v10_0_lock_cursor
dce_v10_0_hide_cursor
dce_v10_0_show_cursor
dce_v10_0_cursor_move_locked
dce_v10_0_crtc_cursor_move
dce_v10_0_crtc_cursor_set2
dce_v10_0_cursor_reset
dce_v10_0_crtc_gamma_set
dce_v10_0_crtc_destroy
dce_v10_0_crtc_dpms
dce_v10_0_crtc_prepare
dce_v10_0_crtc_commit
dce_v10_0_crtc_disable
dce_v10_0_crtc_mode_set
dce_v10_0_crtc_mode_fixup
dce_v10_0_crtc_set_base
dce_v10_0_crtc_set_base_atomic
dce_v10_0_crtc_init
dce_v10_0_early_init
dce_v10_0_sw_init
dce_v10_0_sw_fini
dce_v10_0_hw_init
dce_v10_0_hw_fini
dce_v10_0_suspend
dce_v10_0_resume
dce_v10_0_is_idle
dce_v10_0_wait_for_idle
dce_v10_0_check_soft_reset
dce_v10_0_soft_reset
dce_v10_0_set_crtc_vblank_interrupt_state
dce_v10_0_set_crtc_vline_interrupt_state
dce_v10_0_set_hpd_irq_state
dce_v10_0_set_crtc_irq_state
dce_v10_0_set_pageflip_irq_state
dce_v10_0_pageflip_irq
dce_v10_0_hpd_int_ack
dce_v10_0_crtc_vblank_int_ack
dce_v10_0_crtc_vline_int_ack
dce_v10_0_crtc_irq
dce_v10_0_hpd_irq
dce_v10_0_set_clockgating_state
dce_v10_0_set_powergating_state
dce_v10_0_encoder_mode_set
dce_v10_0_encoder_prepare
dce_v10_0_encoder_commit
dce_v10_0_encoder_disable
dce_v10_0_ext_prepare
dce_v10_0_ext_commit
dce_v10_0_ext_mode_set
dce_v10_0_ext_disable
dce_v10_0_ext_dpms
dce_v10_0_encoder_destroy
dce_v10_0_encoder_add
dce_v10_0_set_display_funcs
dce_v10_0_set_irq_funcs
   1 /*
   2  * Copyright 2014 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23 
  24 #include <drm/drm_fourcc.h>
  25 #include <drm/drm_vblank.h>
  26 
  27 #include "amdgpu.h"
  28 #include "amdgpu_pm.h"
  29 #include "amdgpu_i2c.h"
  30 #include "vid.h"
  31 #include "atom.h"
  32 #include "amdgpu_atombios.h"
  33 #include "atombios_crtc.h"
  34 #include "atombios_encoders.h"
  35 #include "amdgpu_pll.h"
  36 #include "amdgpu_connectors.h"
  37 #include "amdgpu_display.h"
  38 #include "dce_v10_0.h"
  39 
  40 #include "dce/dce_10_0_d.h"
  41 #include "dce/dce_10_0_sh_mask.h"
  42 #include "dce/dce_10_0_enum.h"
  43 #include "oss/oss_3_0_d.h"
  44 #include "oss/oss_3_0_sh_mask.h"
  45 #include "gmc/gmc_8_1_d.h"
  46 #include "gmc/gmc_8_1_sh_mask.h"
  47 
  48 #include "ivsrcid/ivsrcid_vislands30.h"
  49 
  50 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev);
  51 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev);
  52 
  53 static const u32 crtc_offsets[] =
  54 {
  55         CRTC0_REGISTER_OFFSET,
  56         CRTC1_REGISTER_OFFSET,
  57         CRTC2_REGISTER_OFFSET,
  58         CRTC3_REGISTER_OFFSET,
  59         CRTC4_REGISTER_OFFSET,
  60         CRTC5_REGISTER_OFFSET,
  61         CRTC6_REGISTER_OFFSET
  62 };
  63 
  64 static const u32 hpd_offsets[] =
  65 {
  66         HPD0_REGISTER_OFFSET,
  67         HPD1_REGISTER_OFFSET,
  68         HPD2_REGISTER_OFFSET,
  69         HPD3_REGISTER_OFFSET,
  70         HPD4_REGISTER_OFFSET,
  71         HPD5_REGISTER_OFFSET
  72 };
  73 
  74 static const uint32_t dig_offsets[] = {
  75         DIG0_REGISTER_OFFSET,
  76         DIG1_REGISTER_OFFSET,
  77         DIG2_REGISTER_OFFSET,
  78         DIG3_REGISTER_OFFSET,
  79         DIG4_REGISTER_OFFSET,
  80         DIG5_REGISTER_OFFSET,
  81         DIG6_REGISTER_OFFSET
  82 };
  83 
  84 static const struct {
  85         uint32_t        reg;
  86         uint32_t        vblank;
  87         uint32_t        vline;
  88         uint32_t        hpd;
  89 
  90 } interrupt_status_offsets[] = { {
  91         .reg = mmDISP_INTERRUPT_STATUS,
  92         .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  93         .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
  94         .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
  95 }, {
  96         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
  97         .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
  98         .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
  99         .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
 100 }, {
 101         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
 102         .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
 103         .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
 104         .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 105 }, {
 106         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 107         .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 108         .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 109         .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 110 }, {
 111         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 112         .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 113         .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 114         .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 115 }, {
 116         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 117         .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 118         .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 119         .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 120 } };
 121 
 122 static const u32 golden_settings_tonga_a11[] =
 123 {
 124         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 125         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 126         mmFBC_MISC, 0x1f311fff, 0x12300000,
 127         mmHDMI_CONTROL, 0x31000111, 0x00000011,
 128 };
 129 
 130 static const u32 tonga_mgcg_cgcg_init[] =
 131 {
 132         mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 133         mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 134 };
 135 
 136 static const u32 golden_settings_fiji_a10[] =
 137 {
 138         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 139         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 140         mmFBC_MISC, 0x1f311fff, 0x12300000,
 141         mmHDMI_CONTROL, 0x31000111, 0x00000011,
 142 };
 143 
 144 static const u32 fiji_mgcg_cgcg_init[] =
 145 {
 146         mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 147         mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 148 };
 149 
 150 static void dce_v10_0_init_golden_registers(struct amdgpu_device *adev)
 151 {
 152         switch (adev->asic_type) {
 153         case CHIP_FIJI:
 154                 amdgpu_device_program_register_sequence(adev,
 155                                                         fiji_mgcg_cgcg_init,
 156                                                         ARRAY_SIZE(fiji_mgcg_cgcg_init));
 157                 amdgpu_device_program_register_sequence(adev,
 158                                                         golden_settings_fiji_a10,
 159                                                         ARRAY_SIZE(golden_settings_fiji_a10));
 160                 break;
 161         case CHIP_TONGA:
 162                 amdgpu_device_program_register_sequence(adev,
 163                                                         tonga_mgcg_cgcg_init,
 164                                                         ARRAY_SIZE(tonga_mgcg_cgcg_init));
 165                 amdgpu_device_program_register_sequence(adev,
 166                                                         golden_settings_tonga_a11,
 167                                                         ARRAY_SIZE(golden_settings_tonga_a11));
 168                 break;
 169         default:
 170                 break;
 171         }
 172 }
 173 
 174 static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev,
 175                                      u32 block_offset, u32 reg)
 176 {
 177         unsigned long flags;
 178         u32 r;
 179 
 180         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 181         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 182         r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 183         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 184 
 185         return r;
 186 }
 187 
 188 static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev,
 189                                       u32 block_offset, u32 reg, u32 v)
 190 {
 191         unsigned long flags;
 192 
 193         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 194         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 195         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 196         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 197 }
 198 
 199 static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 200 {
 201         if (crtc >= adev->mode_info.num_crtc)
 202                 return 0;
 203         else
 204                 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 205 }
 206 
 207 static void dce_v10_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 208 {
 209         unsigned i;
 210 
 211         /* Enable pflip interrupts */
 212         for (i = 0; i < adev->mode_info.num_crtc; i++)
 213                 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 214 }
 215 
 216 static void dce_v10_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 217 {
 218         unsigned i;
 219 
 220         /* Disable pflip interrupts */
 221         for (i = 0; i < adev->mode_info.num_crtc; i++)
 222                 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 223 }
 224 
 225 /**
 226  * dce_v10_0_page_flip - pageflip callback.
 227  *
 228  * @adev: amdgpu_device pointer
 229  * @crtc_id: crtc to cleanup pageflip on
 230  * @crtc_base: new address of the crtc (GPU MC address)
 231  *
 232  * Triggers the actual pageflip by updating the primary
 233  * surface base address.
 234  */
 235 static void dce_v10_0_page_flip(struct amdgpu_device *adev,
 236                                 int crtc_id, u64 crtc_base, bool async)
 237 {
 238         struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 239         struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
 240         u32 tmp;
 241 
 242         /* flip at hsync for async, default is vsync */
 243         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
 244         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
 245                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, async ? 1 : 0);
 246         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 247         /* update pitch */
 248         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
 249                fb->pitches[0] / fb->format->cpp[0]);
 250         /* update the primary scanout address */
 251         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 252                upper_32_bits(crtc_base));
 253         /* writing to the low address triggers the update */
 254         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 255                lower_32_bits(crtc_base));
 256         /* post the write */
 257         RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 258 }
 259 
 260 static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 261                                         u32 *vbl, u32 *position)
 262 {
 263         if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 264                 return -EINVAL;
 265 
 266         *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 267         *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 268 
 269         return 0;
 270 }
 271 
 272 /**
 273  * dce_v10_0_hpd_sense - hpd sense callback.
 274  *
 275  * @adev: amdgpu_device pointer
 276  * @hpd: hpd (hotplug detect) pin
 277  *
 278  * Checks if a digital monitor is connected (evergreen+).
 279  * Returns true if connected, false if not connected.
 280  */
 281 static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev,
 282                                enum amdgpu_hpd_id hpd)
 283 {
 284         bool connected = false;
 285 
 286         if (hpd >= adev->mode_info.num_hpd)
 287                 return connected;
 288 
 289         if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
 290             DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 291                 connected = true;
 292 
 293         return connected;
 294 }
 295 
 296 /**
 297  * dce_v10_0_hpd_set_polarity - hpd set polarity callback.
 298  *
 299  * @adev: amdgpu_device pointer
 300  * @hpd: hpd (hotplug detect) pin
 301  *
 302  * Set the polarity of the hpd pin (evergreen+).
 303  */
 304 static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev,
 305                                       enum amdgpu_hpd_id hpd)
 306 {
 307         u32 tmp;
 308         bool connected = dce_v10_0_hpd_sense(adev, hpd);
 309 
 310         if (hpd >= adev->mode_info.num_hpd)
 311                 return;
 312 
 313         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
 314         if (connected)
 315                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 316         else
 317                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 318         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
 319 }
 320 
 321 /**
 322  * dce_v10_0_hpd_init - hpd setup callback.
 323  *
 324  * @adev: amdgpu_device pointer
 325  *
 326  * Setup the hpd pins used by the card (evergreen+).
 327  * Enable the pin, set the polarity, and enable the hpd interrupts.
 328  */
 329 static void dce_v10_0_hpd_init(struct amdgpu_device *adev)
 330 {
 331         struct drm_device *dev = adev->ddev;
 332         struct drm_connector *connector;
 333         u32 tmp;
 334 
 335         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 336                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 337 
 338                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 339                         continue;
 340 
 341                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 342                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 343                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
 344                          * aux dp channel on imac and help (but not completely fix)
 345                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 346                          * also avoid interrupt storms during dpms.
 347                          */
 348                         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 349                         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
 350                         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 351                         continue;
 352                 }
 353 
 354                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 355                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
 356                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 357 
 358                 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 359                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 360                                     DC_HPD_CONNECT_INT_DELAY,
 361                                     AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 362                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 363                                     DC_HPD_DISCONNECT_INT_DELAY,
 364                                     AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 365                 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 366 
 367                 dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 368                 amdgpu_irq_get(adev, &adev->hpd_irq,
 369                                amdgpu_connector->hpd.hpd);
 370         }
 371 }
 372 
 373 /**
 374  * dce_v10_0_hpd_fini - hpd tear down callback.
 375  *
 376  * @adev: amdgpu_device pointer
 377  *
 378  * Tear down the hpd pins used by the card (evergreen+).
 379  * Disable the hpd interrupts.
 380  */
 381 static void dce_v10_0_hpd_fini(struct amdgpu_device *adev)
 382 {
 383         struct drm_device *dev = adev->ddev;
 384         struct drm_connector *connector;
 385         u32 tmp;
 386 
 387         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 388                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 389 
 390                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 391                         continue;
 392 
 393                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 394                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 395                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 396 
 397                 amdgpu_irq_put(adev, &adev->hpd_irq,
 398                                amdgpu_connector->hpd.hpd);
 399         }
 400 }
 401 
 402 static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 403 {
 404         return mmDC_GPIO_HPD_A;
 405 }
 406 
 407 static bool dce_v10_0_is_display_hung(struct amdgpu_device *adev)
 408 {
 409         u32 crtc_hung = 0;
 410         u32 crtc_status[6];
 411         u32 i, j, tmp;
 412 
 413         for (i = 0; i < adev->mode_info.num_crtc; i++) {
 414                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 415                 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 416                         crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 417                         crtc_hung |= (1 << i);
 418                 }
 419         }
 420 
 421         for (j = 0; j < 10; j++) {
 422                 for (i = 0; i < adev->mode_info.num_crtc; i++) {
 423                         if (crtc_hung & (1 << i)) {
 424                                 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 425                                 if (tmp != crtc_status[i])
 426                                         crtc_hung &= ~(1 << i);
 427                         }
 428                 }
 429                 if (crtc_hung == 0)
 430                         return false;
 431                 udelay(100);
 432         }
 433 
 434         return true;
 435 }
 436 
 437 static void dce_v10_0_set_vga_render_state(struct amdgpu_device *adev,
 438                                            bool render)
 439 {
 440         u32 tmp;
 441 
 442         /* Lockout access through VGA aperture*/
 443         tmp = RREG32(mmVGA_HDP_CONTROL);
 444         if (render)
 445                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 446         else
 447                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 448         WREG32(mmVGA_HDP_CONTROL, tmp);
 449 
 450         /* disable VGA render */
 451         tmp = RREG32(mmVGA_RENDER_CONTROL);
 452         if (render)
 453                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 454         else
 455                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 456         WREG32(mmVGA_RENDER_CONTROL, tmp);
 457 }
 458 
 459 static int dce_v10_0_get_num_crtc(struct amdgpu_device *adev)
 460 {
 461         int num_crtc = 0;
 462 
 463         switch (adev->asic_type) {
 464         case CHIP_FIJI:
 465         case CHIP_TONGA:
 466                 num_crtc = 6;
 467                 break;
 468         default:
 469                 num_crtc = 0;
 470         }
 471         return num_crtc;
 472 }
 473 
 474 void dce_v10_0_disable_dce(struct amdgpu_device *adev)
 475 {
 476         /*Disable VGA render and enabled crtc, if has DCE engine*/
 477         if (amdgpu_atombios_has_dce_engine_info(adev)) {
 478                 u32 tmp;
 479                 int crtc_enabled, i;
 480 
 481                 dce_v10_0_set_vga_render_state(adev, false);
 482 
 483                 /*Disable crtc*/
 484                 for (i = 0; i < dce_v10_0_get_num_crtc(adev); i++) {
 485                         crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 486                                                                          CRTC_CONTROL, CRTC_MASTER_EN);
 487                         if (crtc_enabled) {
 488                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 489                                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 490                                 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 491                                 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 492                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 493                         }
 494                 }
 495         }
 496 }
 497 
 498 static void dce_v10_0_program_fmt(struct drm_encoder *encoder)
 499 {
 500         struct drm_device *dev = encoder->dev;
 501         struct amdgpu_device *adev = dev->dev_private;
 502         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 503         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 504         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 505         int bpc = 0;
 506         u32 tmp = 0;
 507         enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 508 
 509         if (connector) {
 510                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 511                 bpc = amdgpu_connector_get_monitor_bpc(connector);
 512                 dither = amdgpu_connector->dither;
 513         }
 514 
 515         /* LVDS/eDP FMT is set up by atom */
 516         if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 517                 return;
 518 
 519         /* not needed for analog */
 520         if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 521             (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 522                 return;
 523 
 524         if (bpc == 0)
 525                 return;
 526 
 527         switch (bpc) {
 528         case 6:
 529                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 530                         /* XXX sort out optimal dither settings */
 531                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 532                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 533                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 534                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
 535                 } else {
 536                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 537                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
 538                 }
 539                 break;
 540         case 8:
 541                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 542                         /* XXX sort out optimal dither settings */
 543                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 544                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 545                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 546                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 547                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 548                 } else {
 549                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 550                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 551                 }
 552                 break;
 553         case 10:
 554                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 555                         /* XXX sort out optimal dither settings */
 556                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 557                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 558                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 559                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 560                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 561                 } else {
 562                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 563                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 564                 }
 565                 break;
 566         default:
 567                 /* not needed */
 568                 break;
 569         }
 570 
 571         WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 572 }
 573 
 574 
 575 /* display watermark setup */
 576 /**
 577  * dce_v10_0_line_buffer_adjust - Set up the line buffer
 578  *
 579  * @adev: amdgpu_device pointer
 580  * @amdgpu_crtc: the selected display controller
 581  * @mode: the current display mode on the selected display
 582  * controller
 583  *
 584  * Setup up the line buffer allocation for
 585  * the selected display controller (CIK).
 586  * Returns the line buffer size in pixels.
 587  */
 588 static u32 dce_v10_0_line_buffer_adjust(struct amdgpu_device *adev,
 589                                        struct amdgpu_crtc *amdgpu_crtc,
 590                                        struct drm_display_mode *mode)
 591 {
 592         u32 tmp, buffer_alloc, i, mem_cfg;
 593         u32 pipe_offset = amdgpu_crtc->crtc_id;
 594         /*
 595          * Line Buffer Setup
 596          * There are 6 line buffers, one for each display controllers.
 597          * There are 3 partitions per LB. Select the number of partitions
 598          * to enable based on the display width.  For display widths larger
 599          * than 4096, you need use to use 2 display controllers and combine
 600          * them using the stereo blender.
 601          */
 602         if (amdgpu_crtc->base.enabled && mode) {
 603                 if (mode->crtc_hdisplay < 1920) {
 604                         mem_cfg = 1;
 605                         buffer_alloc = 2;
 606                 } else if (mode->crtc_hdisplay < 2560) {
 607                         mem_cfg = 2;
 608                         buffer_alloc = 2;
 609                 } else if (mode->crtc_hdisplay < 4096) {
 610                         mem_cfg = 0;
 611                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 612                 } else {
 613                         DRM_DEBUG_KMS("Mode too big for LB!\n");
 614                         mem_cfg = 0;
 615                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 616                 }
 617         } else {
 618                 mem_cfg = 1;
 619                 buffer_alloc = 0;
 620         }
 621 
 622         tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 623         tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 624         WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 625 
 626         tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 627         tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 628         WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 629 
 630         for (i = 0; i < adev->usec_timeout; i++) {
 631                 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 632                 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 633                         break;
 634                 udelay(1);
 635         }
 636 
 637         if (amdgpu_crtc->base.enabled && mode) {
 638                 switch (mem_cfg) {
 639                 case 0:
 640                 default:
 641                         return 4096 * 2;
 642                 case 1:
 643                         return 1920 * 2;
 644                 case 2:
 645                         return 2560 * 2;
 646                 }
 647         }
 648 
 649         /* controller not enabled, so no lb used */
 650         return 0;
 651 }
 652 
 653 /**
 654  * cik_get_number_of_dram_channels - get the number of dram channels
 655  *
 656  * @adev: amdgpu_device pointer
 657  *
 658  * Look up the number of video ram channels (CIK).
 659  * Used for display watermark bandwidth calculations
 660  * Returns the number of dram channels
 661  */
 662 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 663 {
 664         u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 665 
 666         switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 667         case 0:
 668         default:
 669                 return 1;
 670         case 1:
 671                 return 2;
 672         case 2:
 673                 return 4;
 674         case 3:
 675                 return 8;
 676         case 4:
 677                 return 3;
 678         case 5:
 679                 return 6;
 680         case 6:
 681                 return 10;
 682         case 7:
 683                 return 12;
 684         case 8:
 685                 return 16;
 686         }
 687 }
 688 
 689 struct dce10_wm_params {
 690         u32 dram_channels; /* number of dram channels */
 691         u32 yclk;          /* bandwidth per dram data pin in kHz */
 692         u32 sclk;          /* engine clock in kHz */
 693         u32 disp_clk;      /* display clock in kHz */
 694         u32 src_width;     /* viewport width */
 695         u32 active_time;   /* active display time in ns */
 696         u32 blank_time;    /* blank time in ns */
 697         bool interlaced;    /* mode is interlaced */
 698         fixed20_12 vsc;    /* vertical scale ratio */
 699         u32 num_heads;     /* number of active crtcs */
 700         u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 701         u32 lb_size;       /* line buffer allocated to pipe */
 702         u32 vtaps;         /* vertical scaler taps */
 703 };
 704 
 705 /**
 706  * dce_v10_0_dram_bandwidth - get the dram bandwidth
 707  *
 708  * @wm: watermark calculation data
 709  *
 710  * Calculate the raw dram bandwidth (CIK).
 711  * Used for display watermark bandwidth calculations
 712  * Returns the dram bandwidth in MBytes/s
 713  */
 714 static u32 dce_v10_0_dram_bandwidth(struct dce10_wm_params *wm)
 715 {
 716         /* Calculate raw DRAM Bandwidth */
 717         fixed20_12 dram_efficiency; /* 0.7 */
 718         fixed20_12 yclk, dram_channels, bandwidth;
 719         fixed20_12 a;
 720 
 721         a.full = dfixed_const(1000);
 722         yclk.full = dfixed_const(wm->yclk);
 723         yclk.full = dfixed_div(yclk, a);
 724         dram_channels.full = dfixed_const(wm->dram_channels * 4);
 725         a.full = dfixed_const(10);
 726         dram_efficiency.full = dfixed_const(7);
 727         dram_efficiency.full = dfixed_div(dram_efficiency, a);
 728         bandwidth.full = dfixed_mul(dram_channels, yclk);
 729         bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 730 
 731         return dfixed_trunc(bandwidth);
 732 }
 733 
 734 /**
 735  * dce_v10_0_dram_bandwidth_for_display - get the dram bandwidth for display
 736  *
 737  * @wm: watermark calculation data
 738  *
 739  * Calculate the dram bandwidth used for display (CIK).
 740  * Used for display watermark bandwidth calculations
 741  * Returns the dram bandwidth for display in MBytes/s
 742  */
 743 static u32 dce_v10_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 744 {
 745         /* Calculate DRAM Bandwidth and the part allocated to display. */
 746         fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 747         fixed20_12 yclk, dram_channels, bandwidth;
 748         fixed20_12 a;
 749 
 750         a.full = dfixed_const(1000);
 751         yclk.full = dfixed_const(wm->yclk);
 752         yclk.full = dfixed_div(yclk, a);
 753         dram_channels.full = dfixed_const(wm->dram_channels * 4);
 754         a.full = dfixed_const(10);
 755         disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 756         disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 757         bandwidth.full = dfixed_mul(dram_channels, yclk);
 758         bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 759 
 760         return dfixed_trunc(bandwidth);
 761 }
 762 
 763 /**
 764  * dce_v10_0_data_return_bandwidth - get the data return bandwidth
 765  *
 766  * @wm: watermark calculation data
 767  *
 768  * Calculate the data return bandwidth used for display (CIK).
 769  * Used for display watermark bandwidth calculations
 770  * Returns the data return bandwidth in MBytes/s
 771  */
 772 static u32 dce_v10_0_data_return_bandwidth(struct dce10_wm_params *wm)
 773 {
 774         /* Calculate the display Data return Bandwidth */
 775         fixed20_12 return_efficiency; /* 0.8 */
 776         fixed20_12 sclk, bandwidth;
 777         fixed20_12 a;
 778 
 779         a.full = dfixed_const(1000);
 780         sclk.full = dfixed_const(wm->sclk);
 781         sclk.full = dfixed_div(sclk, a);
 782         a.full = dfixed_const(10);
 783         return_efficiency.full = dfixed_const(8);
 784         return_efficiency.full = dfixed_div(return_efficiency, a);
 785         a.full = dfixed_const(32);
 786         bandwidth.full = dfixed_mul(a, sclk);
 787         bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 788 
 789         return dfixed_trunc(bandwidth);
 790 }
 791 
 792 /**
 793  * dce_v10_0_dmif_request_bandwidth - get the dmif bandwidth
 794  *
 795  * @wm: watermark calculation data
 796  *
 797  * Calculate the dmif bandwidth used for display (CIK).
 798  * Used for display watermark bandwidth calculations
 799  * Returns the dmif bandwidth in MBytes/s
 800  */
 801 static u32 dce_v10_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
 802 {
 803         /* Calculate the DMIF Request Bandwidth */
 804         fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 805         fixed20_12 disp_clk, bandwidth;
 806         fixed20_12 a, b;
 807 
 808         a.full = dfixed_const(1000);
 809         disp_clk.full = dfixed_const(wm->disp_clk);
 810         disp_clk.full = dfixed_div(disp_clk, a);
 811         a.full = dfixed_const(32);
 812         b.full = dfixed_mul(a, disp_clk);
 813 
 814         a.full = dfixed_const(10);
 815         disp_clk_request_efficiency.full = dfixed_const(8);
 816         disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 817 
 818         bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 819 
 820         return dfixed_trunc(bandwidth);
 821 }
 822 
 823 /**
 824  * dce_v10_0_available_bandwidth - get the min available bandwidth
 825  *
 826  * @wm: watermark calculation data
 827  *
 828  * Calculate the min available bandwidth used for display (CIK).
 829  * Used for display watermark bandwidth calculations
 830  * Returns the min available bandwidth in MBytes/s
 831  */
 832 static u32 dce_v10_0_available_bandwidth(struct dce10_wm_params *wm)
 833 {
 834         /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 835         u32 dram_bandwidth = dce_v10_0_dram_bandwidth(wm);
 836         u32 data_return_bandwidth = dce_v10_0_data_return_bandwidth(wm);
 837         u32 dmif_req_bandwidth = dce_v10_0_dmif_request_bandwidth(wm);
 838 
 839         return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 840 }
 841 
 842 /**
 843  * dce_v10_0_average_bandwidth - get the average available bandwidth
 844  *
 845  * @wm: watermark calculation data
 846  *
 847  * Calculate the average available bandwidth used for display (CIK).
 848  * Used for display watermark bandwidth calculations
 849  * Returns the average available bandwidth in MBytes/s
 850  */
 851 static u32 dce_v10_0_average_bandwidth(struct dce10_wm_params *wm)
 852 {
 853         /* Calculate the display mode Average Bandwidth
 854          * DisplayMode should contain the source and destination dimensions,
 855          * timing, etc.
 856          */
 857         fixed20_12 bpp;
 858         fixed20_12 line_time;
 859         fixed20_12 src_width;
 860         fixed20_12 bandwidth;
 861         fixed20_12 a;
 862 
 863         a.full = dfixed_const(1000);
 864         line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 865         line_time.full = dfixed_div(line_time, a);
 866         bpp.full = dfixed_const(wm->bytes_per_pixel);
 867         src_width.full = dfixed_const(wm->src_width);
 868         bandwidth.full = dfixed_mul(src_width, bpp);
 869         bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 870         bandwidth.full = dfixed_div(bandwidth, line_time);
 871 
 872         return dfixed_trunc(bandwidth);
 873 }
 874 
 875 /**
 876  * dce_v10_0_latency_watermark - get the latency watermark
 877  *
 878  * @wm: watermark calculation data
 879  *
 880  * Calculate the latency watermark (CIK).
 881  * Used for display watermark bandwidth calculations
 882  * Returns the latency watermark in ns
 883  */
 884 static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm)
 885 {
 886         /* First calculate the latency in ns */
 887         u32 mc_latency = 2000; /* 2000 ns. */
 888         u32 available_bandwidth = dce_v10_0_available_bandwidth(wm);
 889         u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 890         u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 891         u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 892         u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 893                 (wm->num_heads * cursor_line_pair_return_time);
 894         u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 895         u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 896         u32 tmp, dmif_size = 12288;
 897         fixed20_12 a, b, c;
 898 
 899         if (wm->num_heads == 0)
 900                 return 0;
 901 
 902         a.full = dfixed_const(2);
 903         b.full = dfixed_const(1);
 904         if ((wm->vsc.full > a.full) ||
 905             ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 906             (wm->vtaps >= 5) ||
 907             ((wm->vsc.full >= a.full) && wm->interlaced))
 908                 max_src_lines_per_dst_line = 4;
 909         else
 910                 max_src_lines_per_dst_line = 2;
 911 
 912         a.full = dfixed_const(available_bandwidth);
 913         b.full = dfixed_const(wm->num_heads);
 914         a.full = dfixed_div(a, b);
 915         tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 916         tmp = min(dfixed_trunc(a), tmp);
 917 
 918         lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 919 
 920         a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 921         b.full = dfixed_const(1000);
 922         c.full = dfixed_const(lb_fill_bw);
 923         b.full = dfixed_div(c, b);
 924         a.full = dfixed_div(a, b);
 925         line_fill_time = dfixed_trunc(a);
 926 
 927         if (line_fill_time < wm->active_time)
 928                 return latency;
 929         else
 930                 return latency + (line_fill_time - wm->active_time);
 931 
 932 }
 933 
 934 /**
 935  * dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 936  * average and available dram bandwidth
 937  *
 938  * @wm: watermark calculation data
 939  *
 940  * Check if the display average bandwidth fits in the display
 941  * dram bandwidth (CIK).
 942  * Used for display watermark bandwidth calculations
 943  * Returns true if the display fits, false if not.
 944  */
 945 static bool dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 946 {
 947         if (dce_v10_0_average_bandwidth(wm) <=
 948             (dce_v10_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 949                 return true;
 950         else
 951                 return false;
 952 }
 953 
 954 /**
 955  * dce_v10_0_average_bandwidth_vs_available_bandwidth - check
 956  * average and available bandwidth
 957  *
 958  * @wm: watermark calculation data
 959  *
 960  * Check if the display average bandwidth fits in the display
 961  * available bandwidth (CIK).
 962  * Used for display watermark bandwidth calculations
 963  * Returns true if the display fits, false if not.
 964  */
 965 static bool dce_v10_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
 966 {
 967         if (dce_v10_0_average_bandwidth(wm) <=
 968             (dce_v10_0_available_bandwidth(wm) / wm->num_heads))
 969                 return true;
 970         else
 971                 return false;
 972 }
 973 
 974 /**
 975  * dce_v10_0_check_latency_hiding - check latency hiding
 976  *
 977  * @wm: watermark calculation data
 978  *
 979  * Check latency hiding (CIK).
 980  * Used for display watermark bandwidth calculations
 981  * Returns true if the display fits, false if not.
 982  */
 983 static bool dce_v10_0_check_latency_hiding(struct dce10_wm_params *wm)
 984 {
 985         u32 lb_partitions = wm->lb_size / wm->src_width;
 986         u32 line_time = wm->active_time + wm->blank_time;
 987         u32 latency_tolerant_lines;
 988         u32 latency_hiding;
 989         fixed20_12 a;
 990 
 991         a.full = dfixed_const(1);
 992         if (wm->vsc.full > a.full)
 993                 latency_tolerant_lines = 1;
 994         else {
 995                 if (lb_partitions <= (wm->vtaps + 1))
 996                         latency_tolerant_lines = 1;
 997                 else
 998                         latency_tolerant_lines = 2;
 999         }
1000 
1001         latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1002 
1003         if (dce_v10_0_latency_watermark(wm) <= latency_hiding)
1004                 return true;
1005         else
1006                 return false;
1007 }
1008 
1009 /**
1010  * dce_v10_0_program_watermarks - program display watermarks
1011  *
1012  * @adev: amdgpu_device pointer
1013  * @amdgpu_crtc: the selected display controller
1014  * @lb_size: line buffer size
1015  * @num_heads: number of display controllers in use
1016  *
1017  * Calculate and program the display watermarks for the
1018  * selected display controller (CIK).
1019  */
1020 static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,
1021                                         struct amdgpu_crtc *amdgpu_crtc,
1022                                         u32 lb_size, u32 num_heads)
1023 {
1024         struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1025         struct dce10_wm_params wm_low, wm_high;
1026         u32 active_time;
1027         u32 line_time = 0;
1028         u32 latency_watermark_a = 0, latency_watermark_b = 0;
1029         u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1030 
1031         if (amdgpu_crtc->base.enabled && num_heads && mode) {
1032                 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1033                                             (u32)mode->clock);
1034                 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1035                                           (u32)mode->clock);
1036                 line_time = min(line_time, (u32)65535);
1037 
1038                 /* watermark for high clocks */
1039                 if (adev->pm.dpm_enabled) {
1040                         wm_high.yclk =
1041                                 amdgpu_dpm_get_mclk(adev, false) * 10;
1042                         wm_high.sclk =
1043                                 amdgpu_dpm_get_sclk(adev, false) * 10;
1044                 } else {
1045                         wm_high.yclk = adev->pm.current_mclk * 10;
1046                         wm_high.sclk = adev->pm.current_sclk * 10;
1047                 }
1048 
1049                 wm_high.disp_clk = mode->clock;
1050                 wm_high.src_width = mode->crtc_hdisplay;
1051                 wm_high.active_time = active_time;
1052                 wm_high.blank_time = line_time - wm_high.active_time;
1053                 wm_high.interlaced = false;
1054                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1055                         wm_high.interlaced = true;
1056                 wm_high.vsc = amdgpu_crtc->vsc;
1057                 wm_high.vtaps = 1;
1058                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1059                         wm_high.vtaps = 2;
1060                 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1061                 wm_high.lb_size = lb_size;
1062                 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1063                 wm_high.num_heads = num_heads;
1064 
1065                 /* set for high clocks */
1066                 latency_watermark_a = min(dce_v10_0_latency_watermark(&wm_high), (u32)65535);
1067 
1068                 /* possibly force display priority to high */
1069                 /* should really do this at mode validation time... */
1070                 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1071                     !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1072                     !dce_v10_0_check_latency_hiding(&wm_high) ||
1073                     (adev->mode_info.disp_priority == 2)) {
1074                         DRM_DEBUG_KMS("force priority to high\n");
1075                 }
1076 
1077                 /* watermark for low clocks */
1078                 if (adev->pm.dpm_enabled) {
1079                         wm_low.yclk =
1080                                 amdgpu_dpm_get_mclk(adev, true) * 10;
1081                         wm_low.sclk =
1082                                 amdgpu_dpm_get_sclk(adev, true) * 10;
1083                 } else {
1084                         wm_low.yclk = adev->pm.current_mclk * 10;
1085                         wm_low.sclk = adev->pm.current_sclk * 10;
1086                 }
1087 
1088                 wm_low.disp_clk = mode->clock;
1089                 wm_low.src_width = mode->crtc_hdisplay;
1090                 wm_low.active_time = active_time;
1091                 wm_low.blank_time = line_time - wm_low.active_time;
1092                 wm_low.interlaced = false;
1093                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1094                         wm_low.interlaced = true;
1095                 wm_low.vsc = amdgpu_crtc->vsc;
1096                 wm_low.vtaps = 1;
1097                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1098                         wm_low.vtaps = 2;
1099                 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1100                 wm_low.lb_size = lb_size;
1101                 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1102                 wm_low.num_heads = num_heads;
1103 
1104                 /* set for low clocks */
1105                 latency_watermark_b = min(dce_v10_0_latency_watermark(&wm_low), (u32)65535);
1106 
1107                 /* possibly force display priority to high */
1108                 /* should really do this at mode validation time... */
1109                 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1110                     !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1111                     !dce_v10_0_check_latency_hiding(&wm_low) ||
1112                     (adev->mode_info.disp_priority == 2)) {
1113                         DRM_DEBUG_KMS("force priority to high\n");
1114                 }
1115                 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1116         }
1117 
1118         /* select wm A */
1119         wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1120         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1121         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1122         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1123         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1124         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1125         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1126         /* select wm B */
1127         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1128         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1129         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1130         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1131         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1132         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1133         /* restore original selection */
1134         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1135 
1136         /* save values for DPM */
1137         amdgpu_crtc->line_time = line_time;
1138         amdgpu_crtc->wm_high = latency_watermark_a;
1139         amdgpu_crtc->wm_low = latency_watermark_b;
1140         /* Save number of lines the linebuffer leads before the scanout */
1141         amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1142 }
1143 
1144 /**
1145  * dce_v10_0_bandwidth_update - program display watermarks
1146  *
1147  * @adev: amdgpu_device pointer
1148  *
1149  * Calculate and program the display watermarks and line
1150  * buffer allocation (CIK).
1151  */
1152 static void dce_v10_0_bandwidth_update(struct amdgpu_device *adev)
1153 {
1154         struct drm_display_mode *mode = NULL;
1155         u32 num_heads = 0, lb_size;
1156         int i;
1157 
1158         amdgpu_display_update_priority(adev);
1159 
1160         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1161                 if (adev->mode_info.crtcs[i]->base.enabled)
1162                         num_heads++;
1163         }
1164         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1165                 mode = &adev->mode_info.crtcs[i]->base.mode;
1166                 lb_size = dce_v10_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1167                 dce_v10_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1168                                             lb_size, num_heads);
1169         }
1170 }
1171 
1172 static void dce_v10_0_audio_get_connected_pins(struct amdgpu_device *adev)
1173 {
1174         int i;
1175         u32 offset, tmp;
1176 
1177         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1178                 offset = adev->mode_info.audio.pin[i].offset;
1179                 tmp = RREG32_AUDIO_ENDPT(offset,
1180                                          ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1181                 if (((tmp &
1182                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1183                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1184                         adev->mode_info.audio.pin[i].connected = false;
1185                 else
1186                         adev->mode_info.audio.pin[i].connected = true;
1187         }
1188 }
1189 
1190 static struct amdgpu_audio_pin *dce_v10_0_audio_get_pin(struct amdgpu_device *adev)
1191 {
1192         int i;
1193 
1194         dce_v10_0_audio_get_connected_pins(adev);
1195 
1196         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1197                 if (adev->mode_info.audio.pin[i].connected)
1198                         return &adev->mode_info.audio.pin[i];
1199         }
1200         DRM_ERROR("No connected audio pins found!\n");
1201         return NULL;
1202 }
1203 
1204 static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1205 {
1206         struct amdgpu_device *adev = encoder->dev->dev_private;
1207         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1208         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1209         u32 tmp;
1210 
1211         if (!dig || !dig->afmt || !dig->afmt->pin)
1212                 return;
1213 
1214         tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1215         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1216         WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1217 }
1218 
1219 static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder,
1220                                                 struct drm_display_mode *mode)
1221 {
1222         struct amdgpu_device *adev = encoder->dev->dev_private;
1223         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1224         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1225         struct drm_connector *connector;
1226         struct amdgpu_connector *amdgpu_connector = NULL;
1227         u32 tmp;
1228         int interlace = 0;
1229 
1230         if (!dig || !dig->afmt || !dig->afmt->pin)
1231                 return;
1232 
1233         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1234                 if (connector->encoder == encoder) {
1235                         amdgpu_connector = to_amdgpu_connector(connector);
1236                         break;
1237                 }
1238         }
1239 
1240         if (!amdgpu_connector) {
1241                 DRM_ERROR("Couldn't find encoder's connector\n");
1242                 return;
1243         }
1244 
1245         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1246                 interlace = 1;
1247         if (connector->latency_present[interlace]) {
1248                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1249                                     VIDEO_LIPSYNC, connector->video_latency[interlace]);
1250                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1251                                     AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1252         } else {
1253                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1254                                     VIDEO_LIPSYNC, 0);
1255                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1256                                     AUDIO_LIPSYNC, 0);
1257         }
1258         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1259                            ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1260 }
1261 
1262 static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1263 {
1264         struct amdgpu_device *adev = encoder->dev->dev_private;
1265         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1266         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1267         struct drm_connector *connector;
1268         struct amdgpu_connector *amdgpu_connector = NULL;
1269         u32 tmp;
1270         u8 *sadb = NULL;
1271         int sad_count;
1272 
1273         if (!dig || !dig->afmt || !dig->afmt->pin)
1274                 return;
1275 
1276         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1277                 if (connector->encoder == encoder) {
1278                         amdgpu_connector = to_amdgpu_connector(connector);
1279                         break;
1280                 }
1281         }
1282 
1283         if (!amdgpu_connector) {
1284                 DRM_ERROR("Couldn't find encoder's connector\n");
1285                 return;
1286         }
1287 
1288         sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1289         if (sad_count < 0) {
1290                 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1291                 sad_count = 0;
1292         }
1293 
1294         /* program the speaker allocation */
1295         tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1296                                  ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1297         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1298                             DP_CONNECTION, 0);
1299         /* set HDMI mode */
1300         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1301                             HDMI_CONNECTION, 1);
1302         if (sad_count)
1303                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1304                                     SPEAKER_ALLOCATION, sadb[0]);
1305         else
1306                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1307                                     SPEAKER_ALLOCATION, 5); /* stereo */
1308         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1309                            ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1310 
1311         kfree(sadb);
1312 }
1313 
1314 static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder)
1315 {
1316         struct amdgpu_device *adev = encoder->dev->dev_private;
1317         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1318         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1319         struct drm_connector *connector;
1320         struct amdgpu_connector *amdgpu_connector = NULL;
1321         struct cea_sad *sads;
1322         int i, sad_count;
1323 
1324         static const u16 eld_reg_to_type[][2] = {
1325                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1326                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1327                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1328                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1329                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1330                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1331                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1332                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1333                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1334                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1335                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1336                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1337         };
1338 
1339         if (!dig || !dig->afmt || !dig->afmt->pin)
1340                 return;
1341 
1342         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1343                 if (connector->encoder == encoder) {
1344                         amdgpu_connector = to_amdgpu_connector(connector);
1345                         break;
1346                 }
1347         }
1348 
1349         if (!amdgpu_connector) {
1350                 DRM_ERROR("Couldn't find encoder's connector\n");
1351                 return;
1352         }
1353 
1354         sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1355         if (sad_count <= 0) {
1356                 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1357                 return;
1358         }
1359         BUG_ON(!sads);
1360 
1361         for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1362                 u32 tmp = 0;
1363                 u8 stereo_freqs = 0;
1364                 int max_channels = -1;
1365                 int j;
1366 
1367                 for (j = 0; j < sad_count; j++) {
1368                         struct cea_sad *sad = &sads[j];
1369 
1370                         if (sad->format == eld_reg_to_type[i][1]) {
1371                                 if (sad->channels > max_channels) {
1372                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1373                                                             MAX_CHANNELS, sad->channels);
1374                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1375                                                             DESCRIPTOR_BYTE_2, sad->byte2);
1376                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1377                                                             SUPPORTED_FREQUENCIES, sad->freq);
1378                                         max_channels = sad->channels;
1379                                 }
1380 
1381                                 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1382                                         stereo_freqs |= sad->freq;
1383                                 else
1384                                         break;
1385                         }
1386                 }
1387 
1388                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1389                                     SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1390                 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1391         }
1392 
1393         kfree(sads);
1394 }
1395 
1396 static void dce_v10_0_audio_enable(struct amdgpu_device *adev,
1397                                   struct amdgpu_audio_pin *pin,
1398                                   bool enable)
1399 {
1400         if (!pin)
1401                 return;
1402 
1403         WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1404                            enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1405 }
1406 
1407 static const u32 pin_offsets[] =
1408 {
1409         AUD0_REGISTER_OFFSET,
1410         AUD1_REGISTER_OFFSET,
1411         AUD2_REGISTER_OFFSET,
1412         AUD3_REGISTER_OFFSET,
1413         AUD4_REGISTER_OFFSET,
1414         AUD5_REGISTER_OFFSET,
1415         AUD6_REGISTER_OFFSET,
1416 };
1417 
1418 static int dce_v10_0_audio_init(struct amdgpu_device *adev)
1419 {
1420         int i;
1421 
1422         if (!amdgpu_audio)
1423                 return 0;
1424 
1425         adev->mode_info.audio.enabled = true;
1426 
1427         adev->mode_info.audio.num_pins = 7;
1428 
1429         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1430                 adev->mode_info.audio.pin[i].channels = -1;
1431                 adev->mode_info.audio.pin[i].rate = -1;
1432                 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1433                 adev->mode_info.audio.pin[i].status_bits = 0;
1434                 adev->mode_info.audio.pin[i].category_code = 0;
1435                 adev->mode_info.audio.pin[i].connected = false;
1436                 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1437                 adev->mode_info.audio.pin[i].id = i;
1438                 /* disable audio.  it will be set up later */
1439                 /* XXX remove once we switch to ip funcs */
1440                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1441         }
1442 
1443         return 0;
1444 }
1445 
1446 static void dce_v10_0_audio_fini(struct amdgpu_device *adev)
1447 {
1448         int i;
1449 
1450         if (!amdgpu_audio)
1451                 return;
1452 
1453         if (!adev->mode_info.audio.enabled)
1454                 return;
1455 
1456         for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1457                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1458 
1459         adev->mode_info.audio.enabled = false;
1460 }
1461 
1462 /*
1463  * update the N and CTS parameters for a given pixel clock rate
1464  */
1465 static void dce_v10_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1466 {
1467         struct drm_device *dev = encoder->dev;
1468         struct amdgpu_device *adev = dev->dev_private;
1469         struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1470         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1471         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1472         u32 tmp;
1473 
1474         tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1475         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1476         WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1477         tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1478         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1479         WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1480 
1481         tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1482         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1483         WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1484         tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1485         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1486         WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1487 
1488         tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1489         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1490         WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1491         tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1492         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1493         WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1494 
1495 }
1496 
1497 /*
1498  * build a HDMI Video Info Frame
1499  */
1500 static void dce_v10_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1501                                                void *buffer, size_t size)
1502 {
1503         struct drm_device *dev = encoder->dev;
1504         struct amdgpu_device *adev = dev->dev_private;
1505         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1506         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1507         uint8_t *frame = buffer + 3;
1508         uint8_t *header = buffer;
1509 
1510         WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1511                 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1512         WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1513                 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1514         WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1515                 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1516         WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1517                 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1518 }
1519 
1520 static void dce_v10_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1521 {
1522         struct drm_device *dev = encoder->dev;
1523         struct amdgpu_device *adev = dev->dev_private;
1524         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1525         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1526         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1527         u32 dto_phase = 24 * 1000;
1528         u32 dto_modulo = clock;
1529         u32 tmp;
1530 
1531         if (!dig || !dig->afmt)
1532                 return;
1533 
1534         /* XXX two dtos; generally use dto0 for hdmi */
1535         /* Express [24MHz / target pixel clock] as an exact rational
1536          * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1537          * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1538          */
1539         tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1540         tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1541                             amdgpu_crtc->crtc_id);
1542         WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1543         WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1544         WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1545 }
1546 
1547 /*
1548  * update the info frames with the data from the current display mode
1549  */
1550 static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder,
1551                                   struct drm_display_mode *mode)
1552 {
1553         struct drm_device *dev = encoder->dev;
1554         struct amdgpu_device *adev = dev->dev_private;
1555         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1556         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1557         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1558         u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1559         struct hdmi_avi_infoframe frame;
1560         ssize_t err;
1561         u32 tmp;
1562         int bpc = 8;
1563 
1564         if (!dig || !dig->afmt)
1565                 return;
1566 
1567         /* Silent, r600_hdmi_enable will raise WARN for us */
1568         if (!dig->afmt->enabled)
1569                 return;
1570 
1571         /* hdmi deep color mode general control packets setup, if bpc > 8 */
1572         if (encoder->crtc) {
1573                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1574                 bpc = amdgpu_crtc->bpc;
1575         }
1576 
1577         /* disable audio prior to setting up hw */
1578         dig->afmt->pin = dce_v10_0_audio_get_pin(adev);
1579         dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1580 
1581         dce_v10_0_audio_set_dto(encoder, mode->clock);
1582 
1583         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1584         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1585         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1586 
1587         WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1588 
1589         tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1590         switch (bpc) {
1591         case 0:
1592         case 6:
1593         case 8:
1594         case 16:
1595         default:
1596                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1597                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1598                 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1599                           connector->name, bpc);
1600                 break;
1601         case 10:
1602                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1603                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1604                 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1605                           connector->name);
1606                 break;
1607         case 12:
1608                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1609                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1610                 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1611                           connector->name);
1612                 break;
1613         }
1614         WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1615 
1616         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1617         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1618         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1619         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1620         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1621 
1622         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1623         /* enable audio info frames (frames won't be set until audio is enabled) */
1624         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1625         /* required for audio info values to be updated */
1626         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1627         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1628 
1629         tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1630         /* required for audio info values to be updated */
1631         tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1632         WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1633 
1634         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1635         /* anything other than 0 */
1636         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1637         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1638 
1639         WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1640 
1641         tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1642         /* set the default audio delay */
1643         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1644         /* should be suffient for all audio modes and small enough for all hblanks */
1645         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1646         WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1647 
1648         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1649         /* allow 60958 channel status fields to be updated */
1650         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1651         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1652 
1653         tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1654         if (bpc > 8)
1655                 /* clear SW CTS value */
1656                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1657         else
1658                 /* select SW CTS value */
1659                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1660         /* allow hw to sent ACR packets when required */
1661         tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1662         WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1663 
1664         dce_v10_0_afmt_update_ACR(encoder, mode->clock);
1665 
1666         tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1667         tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1668         WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1669 
1670         tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1671         tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1672         WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1673 
1674         tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1675         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1676         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1677         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1678         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1679         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1680         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1681         WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1682 
1683         dce_v10_0_audio_write_speaker_allocation(encoder);
1684 
1685         WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1686                (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1687 
1688         dce_v10_0_afmt_audio_select_pin(encoder);
1689         dce_v10_0_audio_write_sad_regs(encoder);
1690         dce_v10_0_audio_write_latency_fields(encoder, mode);
1691 
1692         err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1693         if (err < 0) {
1694                 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1695                 return;
1696         }
1697 
1698         err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1699         if (err < 0) {
1700                 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1701                 return;
1702         }
1703 
1704         dce_v10_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1705 
1706         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1707         /* enable AVI info frames */
1708         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1709         /* required for audio info values to be updated */
1710         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1711         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1712 
1713         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1714         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1715         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1716 
1717         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1718         /* send audio packets */
1719         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1720         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1721 
1722         WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1723         WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1724         WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1725         WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1726 
1727         /* enable audio after to setting up hw */
1728         dce_v10_0_audio_enable(adev, dig->afmt->pin, true);
1729 }
1730 
1731 static void dce_v10_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1732 {
1733         struct drm_device *dev = encoder->dev;
1734         struct amdgpu_device *adev = dev->dev_private;
1735         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1736         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1737 
1738         if (!dig || !dig->afmt)
1739                 return;
1740 
1741         /* Silent, r600_hdmi_enable will raise WARN for us */
1742         if (enable && dig->afmt->enabled)
1743                 return;
1744         if (!enable && !dig->afmt->enabled)
1745                 return;
1746 
1747         if (!enable && dig->afmt->pin) {
1748                 dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1749                 dig->afmt->pin = NULL;
1750         }
1751 
1752         dig->afmt->enabled = enable;
1753 
1754         DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1755                   enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1756 }
1757 
1758 static int dce_v10_0_afmt_init(struct amdgpu_device *adev)
1759 {
1760         int i;
1761 
1762         for (i = 0; i < adev->mode_info.num_dig; i++)
1763                 adev->mode_info.afmt[i] = NULL;
1764 
1765         /* DCE10 has audio blocks tied to DIG encoders */
1766         for (i = 0; i < adev->mode_info.num_dig; i++) {
1767                 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1768                 if (adev->mode_info.afmt[i]) {
1769                         adev->mode_info.afmt[i]->offset = dig_offsets[i];
1770                         adev->mode_info.afmt[i]->id = i;
1771                 } else {
1772                         int j;
1773                         for (j = 0; j < i; j++) {
1774                                 kfree(adev->mode_info.afmt[j]);
1775                                 adev->mode_info.afmt[j] = NULL;
1776                         }
1777                         return -ENOMEM;
1778                 }
1779         }
1780         return 0;
1781 }
1782 
1783 static void dce_v10_0_afmt_fini(struct amdgpu_device *adev)
1784 {
1785         int i;
1786 
1787         for (i = 0; i < adev->mode_info.num_dig; i++) {
1788                 kfree(adev->mode_info.afmt[i]);
1789                 adev->mode_info.afmt[i] = NULL;
1790         }
1791 }
1792 
1793 static const u32 vga_control_regs[6] =
1794 {
1795         mmD1VGA_CONTROL,
1796         mmD2VGA_CONTROL,
1797         mmD3VGA_CONTROL,
1798         mmD4VGA_CONTROL,
1799         mmD5VGA_CONTROL,
1800         mmD6VGA_CONTROL,
1801 };
1802 
1803 static void dce_v10_0_vga_enable(struct drm_crtc *crtc, bool enable)
1804 {
1805         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1806         struct drm_device *dev = crtc->dev;
1807         struct amdgpu_device *adev = dev->dev_private;
1808         u32 vga_control;
1809 
1810         vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1811         if (enable)
1812                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1813         else
1814                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1815 }
1816 
1817 static void dce_v10_0_grph_enable(struct drm_crtc *crtc, bool enable)
1818 {
1819         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1820         struct drm_device *dev = crtc->dev;
1821         struct amdgpu_device *adev = dev->dev_private;
1822 
1823         if (enable)
1824                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1825         else
1826                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1827 }
1828 
1829 static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc,
1830                                      struct drm_framebuffer *fb,
1831                                      int x, int y, int atomic)
1832 {
1833         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1834         struct drm_device *dev = crtc->dev;
1835         struct amdgpu_device *adev = dev->dev_private;
1836         struct drm_framebuffer *target_fb;
1837         struct drm_gem_object *obj;
1838         struct amdgpu_bo *abo;
1839         uint64_t fb_location, tiling_flags;
1840         uint32_t fb_format, fb_pitch_pixels;
1841         u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1842         u32 pipe_config;
1843         u32 tmp, viewport_w, viewport_h;
1844         int r;
1845         bool bypass_lut = false;
1846         struct drm_format_name_buf format_name;
1847 
1848         /* no fb bound */
1849         if (!atomic && !crtc->primary->fb) {
1850                 DRM_DEBUG_KMS("No FB bound\n");
1851                 return 0;
1852         }
1853 
1854         if (atomic)
1855                 target_fb = fb;
1856         else
1857                 target_fb = crtc->primary->fb;
1858 
1859         /* If atomic, assume fb object is pinned & idle & fenced and
1860          * just update base pointers
1861          */
1862         obj = target_fb->obj[0];
1863         abo = gem_to_amdgpu_bo(obj);
1864         r = amdgpu_bo_reserve(abo, false);
1865         if (unlikely(r != 0))
1866                 return r;
1867 
1868         if (!atomic) {
1869                 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1870                 if (unlikely(r != 0)) {
1871                         amdgpu_bo_unreserve(abo);
1872                         return -EINVAL;
1873                 }
1874         }
1875         fb_location = amdgpu_bo_gpu_offset(abo);
1876 
1877         amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1878         amdgpu_bo_unreserve(abo);
1879 
1880         pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1881 
1882         switch (target_fb->format->format) {
1883         case DRM_FORMAT_C8:
1884                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1885                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1886                 break;
1887         case DRM_FORMAT_XRGB4444:
1888         case DRM_FORMAT_ARGB4444:
1889                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1890                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1891 #ifdef __BIG_ENDIAN
1892                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1893                                         ENDIAN_8IN16);
1894 #endif
1895                 break;
1896         case DRM_FORMAT_XRGB1555:
1897         case DRM_FORMAT_ARGB1555:
1898                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1899                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1900 #ifdef __BIG_ENDIAN
1901                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1902                                         ENDIAN_8IN16);
1903 #endif
1904                 break;
1905         case DRM_FORMAT_BGRX5551:
1906         case DRM_FORMAT_BGRA5551:
1907                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1908                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1909 #ifdef __BIG_ENDIAN
1910                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1911                                         ENDIAN_8IN16);
1912 #endif
1913                 break;
1914         case DRM_FORMAT_RGB565:
1915                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1916                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1917 #ifdef __BIG_ENDIAN
1918                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1919                                         ENDIAN_8IN16);
1920 #endif
1921                 break;
1922         case DRM_FORMAT_XRGB8888:
1923         case DRM_FORMAT_ARGB8888:
1924                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1925                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1926 #ifdef __BIG_ENDIAN
1927                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1928                                         ENDIAN_8IN32);
1929 #endif
1930                 break;
1931         case DRM_FORMAT_XRGB2101010:
1932         case DRM_FORMAT_ARGB2101010:
1933                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1934                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1935 #ifdef __BIG_ENDIAN
1936                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1937                                         ENDIAN_8IN32);
1938 #endif
1939                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1940                 bypass_lut = true;
1941                 break;
1942         case DRM_FORMAT_BGRX1010102:
1943         case DRM_FORMAT_BGRA1010102:
1944                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1945                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
1946 #ifdef __BIG_ENDIAN
1947                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1948                                         ENDIAN_8IN32);
1949 #endif
1950                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1951                 bypass_lut = true;
1952                 break;
1953         case DRM_FORMAT_XBGR8888:
1954         case DRM_FORMAT_ABGR8888:
1955                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1956                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1957                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
1958                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
1959 #ifdef __BIG_ENDIAN
1960                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1961                                         ENDIAN_8IN32);
1962 #endif
1963                 break;
1964         default:
1965                 DRM_ERROR("Unsupported screen format %s\n",
1966                           drm_get_format_name(target_fb->format->format, &format_name));
1967                 return -EINVAL;
1968         }
1969 
1970         if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1971                 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1972 
1973                 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1974                 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1975                 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1976                 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1977                 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1978 
1979                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
1980                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
1981                                           ARRAY_2D_TILED_THIN1);
1982                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
1983                                           tile_split);
1984                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
1985                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
1986                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
1987                                           mtaspect);
1988                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
1989                                           ADDR_SURF_MICRO_TILING_DISPLAY);
1990         } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1991                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
1992                                           ARRAY_1D_TILED_THIN1);
1993         }
1994 
1995         fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
1996                                   pipe_config);
1997 
1998         dce_v10_0_vga_enable(crtc, false);
1999 
2000         /* Make sure surface address is updated at vertical blank rather than
2001          * horizontal blank
2002          */
2003         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2004         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2005                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2006         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2007 
2008         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2009                upper_32_bits(fb_location));
2010         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2011                upper_32_bits(fb_location));
2012         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2013                (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2014         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2015                (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2016         WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2017         WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2018 
2019         /*
2020          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2021          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2022          * retain the full precision throughout the pipeline.
2023          */
2024         tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2025         if (bypass_lut)
2026                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2027         else
2028                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2029         WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2030 
2031         if (bypass_lut)
2032                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2033 
2034         WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2035         WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2036         WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2037         WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2038         WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2039         WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2040 
2041         fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2042         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2043 
2044         dce_v10_0_grph_enable(crtc, true);
2045 
2046         WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2047                target_fb->height);
2048 
2049         x &= ~3;
2050         y &= ~1;
2051         WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2052                (x << 16) | y);
2053         viewport_w = crtc->mode.hdisplay;
2054         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2055         WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2056                (viewport_w << 16) | viewport_h);
2057 
2058         /* set pageflip to happen anywhere in vblank interval */
2059         WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2060 
2061         if (!atomic && fb && fb != crtc->primary->fb) {
2062                 abo = gem_to_amdgpu_bo(fb->obj[0]);
2063                 r = amdgpu_bo_reserve(abo, true);
2064                 if (unlikely(r != 0))
2065                         return r;
2066                 amdgpu_bo_unpin(abo);
2067                 amdgpu_bo_unreserve(abo);
2068         }
2069 
2070         /* Bytes per pixel may have changed */
2071         dce_v10_0_bandwidth_update(adev);
2072 
2073         return 0;
2074 }
2075 
2076 static void dce_v10_0_set_interleave(struct drm_crtc *crtc,
2077                                      struct drm_display_mode *mode)
2078 {
2079         struct drm_device *dev = crtc->dev;
2080         struct amdgpu_device *adev = dev->dev_private;
2081         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2082         u32 tmp;
2083 
2084         tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2085         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2086                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2087         else
2088                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2089         WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2090 }
2091 
2092 static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc)
2093 {
2094         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2095         struct drm_device *dev = crtc->dev;
2096         struct amdgpu_device *adev = dev->dev_private;
2097         u16 *r, *g, *b;
2098         int i;
2099         u32 tmp;
2100 
2101         DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2102 
2103         tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2104         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2105         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0);
2106         WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2107 
2108         tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2109         tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2110         WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2111 
2112         tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset);
2113         tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1);
2114         WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2115 
2116         tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2117         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2118         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0);
2119         WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2120 
2121         WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2122 
2123         WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2124         WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2125         WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2126 
2127         WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2128         WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2129         WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2130 
2131         WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2132         WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2133 
2134         WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2135         r = crtc->gamma_store;
2136         g = r + crtc->gamma_size;
2137         b = g + crtc->gamma_size;
2138         for (i = 0; i < 256; i++) {
2139                 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2140                        ((*r++ & 0xffc0) << 14) |
2141                        ((*g++ & 0xffc0) << 4) |
2142                        (*b++ >> 6));
2143         }
2144 
2145         tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2146         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2147         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0);
2148         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2149         WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2150 
2151         tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2152         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2153         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0);
2154         WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2155 
2156         tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2157         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2158         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0);
2159         WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2160 
2161         tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2162         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2163         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0);
2164         WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2165 
2166         /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2167         WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2168         /* XXX this only needs to be programmed once per crtc at startup,
2169          * not sure where the best place for it is
2170          */
2171         tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2172         tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2173         WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2174 }
2175 
2176 static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder)
2177 {
2178         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2179         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2180 
2181         switch (amdgpu_encoder->encoder_id) {
2182         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2183                 if (dig->linkb)
2184                         return 1;
2185                 else
2186                         return 0;
2187                 break;
2188         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2189                 if (dig->linkb)
2190                         return 3;
2191                 else
2192                         return 2;
2193                 break;
2194         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2195                 if (dig->linkb)
2196                         return 5;
2197                 else
2198                         return 4;
2199                 break;
2200         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2201                 return 6;
2202                 break;
2203         default:
2204                 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2205                 return 0;
2206         }
2207 }
2208 
2209 /**
2210  * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc.
2211  *
2212  * @crtc: drm crtc
2213  *
2214  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2215  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2216  * monitors a dedicated PPLL must be used.  If a particular board has
2217  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2218  * as there is no need to program the PLL itself.  If we are not able to
2219  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2220  * avoid messing up an existing monitor.
2221  *
2222  * Asic specific PLL information
2223  *
2224  * DCE 10.x
2225  * Tonga
2226  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2227  * CI
2228  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2229  *
2230  */
2231 static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc)
2232 {
2233         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2234         struct drm_device *dev = crtc->dev;
2235         struct amdgpu_device *adev = dev->dev_private;
2236         u32 pll_in_use;
2237         int pll;
2238 
2239         if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2240                 if (adev->clock.dp_extclk)
2241                         /* skip PPLL programming if using ext clock */
2242                         return ATOM_PPLL_INVALID;
2243                 else {
2244                         /* use the same PPLL for all DP monitors */
2245                         pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2246                         if (pll != ATOM_PPLL_INVALID)
2247                                 return pll;
2248                 }
2249         } else {
2250                 /* use the same PPLL for all monitors with the same clock */
2251                 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2252                 if (pll != ATOM_PPLL_INVALID)
2253                         return pll;
2254         }
2255 
2256         /* DCE10 has PPLL0, PPLL1, and PPLL2 */
2257         pll_in_use = amdgpu_pll_get_use_mask(crtc);
2258         if (!(pll_in_use & (1 << ATOM_PPLL2)))
2259                 return ATOM_PPLL2;
2260         if (!(pll_in_use & (1 << ATOM_PPLL1)))
2261                 return ATOM_PPLL1;
2262         if (!(pll_in_use & (1 << ATOM_PPLL0)))
2263                 return ATOM_PPLL0;
2264         DRM_ERROR("unable to allocate a PPLL\n");
2265         return ATOM_PPLL_INVALID;
2266 }
2267 
2268 static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2269 {
2270         struct amdgpu_device *adev = crtc->dev->dev_private;
2271         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2272         uint32_t cur_lock;
2273 
2274         cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2275         if (lock)
2276                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2277         else
2278                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2279         WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2280 }
2281 
2282 static void dce_v10_0_hide_cursor(struct drm_crtc *crtc)
2283 {
2284         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2285         struct amdgpu_device *adev = crtc->dev->dev_private;
2286         u32 tmp;
2287 
2288         tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2289         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2290         WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2291 }
2292 
2293 static void dce_v10_0_show_cursor(struct drm_crtc *crtc)
2294 {
2295         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2296         struct amdgpu_device *adev = crtc->dev->dev_private;
2297         u32 tmp;
2298 
2299         WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2300                upper_32_bits(amdgpu_crtc->cursor_addr));
2301         WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2302                lower_32_bits(amdgpu_crtc->cursor_addr));
2303 
2304         tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2305         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2306         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2307         WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2308 }
2309 
2310 static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc,
2311                                         int x, int y)
2312 {
2313         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2314         struct amdgpu_device *adev = crtc->dev->dev_private;
2315         int xorigin = 0, yorigin = 0;
2316 
2317         amdgpu_crtc->cursor_x = x;
2318         amdgpu_crtc->cursor_y = y;
2319 
2320         /* avivo cursor are offset into the total surface */
2321         x += crtc->x;
2322         y += crtc->y;
2323         DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2324 
2325         if (x < 0) {
2326                 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2327                 x = 0;
2328         }
2329         if (y < 0) {
2330                 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2331                 y = 0;
2332         }
2333 
2334         WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2335         WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2336         WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2337                ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2338 
2339         return 0;
2340 }
2341 
2342 static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc,
2343                                       int x, int y)
2344 {
2345         int ret;
2346 
2347         dce_v10_0_lock_cursor(crtc, true);
2348         ret = dce_v10_0_cursor_move_locked(crtc, x, y);
2349         dce_v10_0_lock_cursor(crtc, false);
2350 
2351         return ret;
2352 }
2353 
2354 static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc,
2355                                       struct drm_file *file_priv,
2356                                       uint32_t handle,
2357                                       uint32_t width,
2358                                       uint32_t height,
2359                                       int32_t hot_x,
2360                                       int32_t hot_y)
2361 {
2362         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2363         struct drm_gem_object *obj;
2364         struct amdgpu_bo *aobj;
2365         int ret;
2366 
2367         if (!handle) {
2368                 /* turn off cursor */
2369                 dce_v10_0_hide_cursor(crtc);
2370                 obj = NULL;
2371                 goto unpin;
2372         }
2373 
2374         if ((width > amdgpu_crtc->max_cursor_width) ||
2375             (height > amdgpu_crtc->max_cursor_height)) {
2376                 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2377                 return -EINVAL;
2378         }
2379 
2380         obj = drm_gem_object_lookup(file_priv, handle);
2381         if (!obj) {
2382                 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2383                 return -ENOENT;
2384         }
2385 
2386         aobj = gem_to_amdgpu_bo(obj);
2387         ret = amdgpu_bo_reserve(aobj, false);
2388         if (ret != 0) {
2389                 drm_gem_object_put_unlocked(obj);
2390                 return ret;
2391         }
2392 
2393         ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2394         amdgpu_bo_unreserve(aobj);
2395         if (ret) {
2396                 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2397                 drm_gem_object_put_unlocked(obj);
2398                 return ret;
2399         }
2400         amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2401 
2402         dce_v10_0_lock_cursor(crtc, true);
2403 
2404         if (width != amdgpu_crtc->cursor_width ||
2405             height != amdgpu_crtc->cursor_height ||
2406             hot_x != amdgpu_crtc->cursor_hot_x ||
2407             hot_y != amdgpu_crtc->cursor_hot_y) {
2408                 int x, y;
2409 
2410                 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2411                 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2412 
2413                 dce_v10_0_cursor_move_locked(crtc, x, y);
2414 
2415                 amdgpu_crtc->cursor_width = width;
2416                 amdgpu_crtc->cursor_height = height;
2417                 amdgpu_crtc->cursor_hot_x = hot_x;
2418                 amdgpu_crtc->cursor_hot_y = hot_y;
2419         }
2420 
2421         dce_v10_0_show_cursor(crtc);
2422         dce_v10_0_lock_cursor(crtc, false);
2423 
2424 unpin:
2425         if (amdgpu_crtc->cursor_bo) {
2426                 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2427                 ret = amdgpu_bo_reserve(aobj, true);
2428                 if (likely(ret == 0)) {
2429                         amdgpu_bo_unpin(aobj);
2430                         amdgpu_bo_unreserve(aobj);
2431                 }
2432                 drm_gem_object_put_unlocked(amdgpu_crtc->cursor_bo);
2433         }
2434 
2435         amdgpu_crtc->cursor_bo = obj;
2436         return 0;
2437 }
2438 
2439 static void dce_v10_0_cursor_reset(struct drm_crtc *crtc)
2440 {
2441         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2442 
2443         if (amdgpu_crtc->cursor_bo) {
2444                 dce_v10_0_lock_cursor(crtc, true);
2445 
2446                 dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2447                                              amdgpu_crtc->cursor_y);
2448 
2449                 dce_v10_0_show_cursor(crtc);
2450 
2451                 dce_v10_0_lock_cursor(crtc, false);
2452         }
2453 }
2454 
2455 static int dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2456                                     u16 *blue, uint32_t size,
2457                                     struct drm_modeset_acquire_ctx *ctx)
2458 {
2459         dce_v10_0_crtc_load_lut(crtc);
2460 
2461         return 0;
2462 }
2463 
2464 static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc)
2465 {
2466         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2467 
2468         drm_crtc_cleanup(crtc);
2469         kfree(amdgpu_crtc);
2470 }
2471 
2472 static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = {
2473         .cursor_set2 = dce_v10_0_crtc_cursor_set2,
2474         .cursor_move = dce_v10_0_crtc_cursor_move,
2475         .gamma_set = dce_v10_0_crtc_gamma_set,
2476         .set_config = amdgpu_display_crtc_set_config,
2477         .destroy = dce_v10_0_crtc_destroy,
2478         .page_flip_target = amdgpu_display_crtc_page_flip_target,
2479 };
2480 
2481 static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2482 {
2483         struct drm_device *dev = crtc->dev;
2484         struct amdgpu_device *adev = dev->dev_private;
2485         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2486         unsigned type;
2487 
2488         switch (mode) {
2489         case DRM_MODE_DPMS_ON:
2490                 amdgpu_crtc->enabled = true;
2491                 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2492                 dce_v10_0_vga_enable(crtc, true);
2493                 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2494                 dce_v10_0_vga_enable(crtc, false);
2495                 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2496                 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2497                                                 amdgpu_crtc->crtc_id);
2498                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2499                 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2500                 drm_crtc_vblank_on(crtc);
2501                 dce_v10_0_crtc_load_lut(crtc);
2502                 break;
2503         case DRM_MODE_DPMS_STANDBY:
2504         case DRM_MODE_DPMS_SUSPEND:
2505         case DRM_MODE_DPMS_OFF:
2506                 drm_crtc_vblank_off(crtc);
2507                 if (amdgpu_crtc->enabled) {
2508                         dce_v10_0_vga_enable(crtc, true);
2509                         amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2510                         dce_v10_0_vga_enable(crtc, false);
2511                 }
2512                 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2513                 amdgpu_crtc->enabled = false;
2514                 break;
2515         }
2516         /* adjust pm to dpms */
2517         amdgpu_pm_compute_clocks(adev);
2518 }
2519 
2520 static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc)
2521 {
2522         /* disable crtc pair power gating before programming */
2523         amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2524         amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2525         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2526 }
2527 
2528 static void dce_v10_0_crtc_commit(struct drm_crtc *crtc)
2529 {
2530         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2531         amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2532 }
2533 
2534 static void dce_v10_0_crtc_disable(struct drm_crtc *crtc)
2535 {
2536         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2537         struct drm_device *dev = crtc->dev;
2538         struct amdgpu_device *adev = dev->dev_private;
2539         struct amdgpu_atom_ss ss;
2540         int i;
2541 
2542         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2543         if (crtc->primary->fb) {
2544                 int r;
2545                 struct amdgpu_bo *abo;
2546 
2547                 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2548                 r = amdgpu_bo_reserve(abo, true);
2549                 if (unlikely(r))
2550                         DRM_ERROR("failed to reserve abo before unpin\n");
2551                 else {
2552                         amdgpu_bo_unpin(abo);
2553                         amdgpu_bo_unreserve(abo);
2554                 }
2555         }
2556         /* disable the GRPH */
2557         dce_v10_0_grph_enable(crtc, false);
2558 
2559         amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2560 
2561         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2562                 if (adev->mode_info.crtcs[i] &&
2563                     adev->mode_info.crtcs[i]->enabled &&
2564                     i != amdgpu_crtc->crtc_id &&
2565                     amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2566                         /* one other crtc is using this pll don't turn
2567                          * off the pll
2568                          */
2569                         goto done;
2570                 }
2571         }
2572 
2573         switch (amdgpu_crtc->pll_id) {
2574         case ATOM_PPLL0:
2575         case ATOM_PPLL1:
2576         case ATOM_PPLL2:
2577                 /* disable the ppll */
2578                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2579                                           0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2580                 break;
2581         default:
2582                 break;
2583         }
2584 done:
2585         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2586         amdgpu_crtc->adjusted_clock = 0;
2587         amdgpu_crtc->encoder = NULL;
2588         amdgpu_crtc->connector = NULL;
2589 }
2590 
2591 static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc,
2592                                   struct drm_display_mode *mode,
2593                                   struct drm_display_mode *adjusted_mode,
2594                                   int x, int y, struct drm_framebuffer *old_fb)
2595 {
2596         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2597 
2598         if (!amdgpu_crtc->adjusted_clock)
2599                 return -EINVAL;
2600 
2601         amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2602         amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2603         dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2604         amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2605         amdgpu_atombios_crtc_scaler_setup(crtc);
2606         dce_v10_0_cursor_reset(crtc);
2607         /* update the hw version fpr dpm */
2608         amdgpu_crtc->hw_mode = *adjusted_mode;
2609 
2610         return 0;
2611 }
2612 
2613 static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc,
2614                                      const struct drm_display_mode *mode,
2615                                      struct drm_display_mode *adjusted_mode)
2616 {
2617         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2618         struct drm_device *dev = crtc->dev;
2619         struct drm_encoder *encoder;
2620 
2621         /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2622         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2623                 if (encoder->crtc == crtc) {
2624                         amdgpu_crtc->encoder = encoder;
2625                         amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2626                         break;
2627                 }
2628         }
2629         if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2630                 amdgpu_crtc->encoder = NULL;
2631                 amdgpu_crtc->connector = NULL;
2632                 return false;
2633         }
2634         if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2635                 return false;
2636         if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2637                 return false;
2638         /* pick pll */
2639         amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc);
2640         /* if we can't get a PPLL for a non-DP encoder, fail */
2641         if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2642             !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2643                 return false;
2644 
2645         return true;
2646 }
2647 
2648 static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2649                                   struct drm_framebuffer *old_fb)
2650 {
2651         return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2652 }
2653 
2654 static int dce_v10_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2655                                          struct drm_framebuffer *fb,
2656                                          int x, int y, enum mode_set_atomic state)
2657 {
2658        return dce_v10_0_crtc_do_set_base(crtc, fb, x, y, 1);
2659 }
2660 
2661 static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = {
2662         .dpms = dce_v10_0_crtc_dpms,
2663         .mode_fixup = dce_v10_0_crtc_mode_fixup,
2664         .mode_set = dce_v10_0_crtc_mode_set,
2665         .mode_set_base = dce_v10_0_crtc_set_base,
2666         .mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic,
2667         .prepare = dce_v10_0_crtc_prepare,
2668         .commit = dce_v10_0_crtc_commit,
2669         .disable = dce_v10_0_crtc_disable,
2670 };
2671 
2672 static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index)
2673 {
2674         struct amdgpu_crtc *amdgpu_crtc;
2675 
2676         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2677                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2678         if (amdgpu_crtc == NULL)
2679                 return -ENOMEM;
2680 
2681         drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v10_0_crtc_funcs);
2682 
2683         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2684         amdgpu_crtc->crtc_id = index;
2685         adev->mode_info.crtcs[index] = amdgpu_crtc;
2686 
2687         amdgpu_crtc->max_cursor_width = 128;
2688         amdgpu_crtc->max_cursor_height = 128;
2689         adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2690         adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2691 
2692         switch (amdgpu_crtc->crtc_id) {
2693         case 0:
2694         default:
2695                 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2696                 break;
2697         case 1:
2698                 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2699                 break;
2700         case 2:
2701                 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2702                 break;
2703         case 3:
2704                 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2705                 break;
2706         case 4:
2707                 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2708                 break;
2709         case 5:
2710                 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2711                 break;
2712         }
2713 
2714         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2715         amdgpu_crtc->adjusted_clock = 0;
2716         amdgpu_crtc->encoder = NULL;
2717         amdgpu_crtc->connector = NULL;
2718         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs);
2719 
2720         return 0;
2721 }
2722 
2723 static int dce_v10_0_early_init(void *handle)
2724 {
2725         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2726 
2727         adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg;
2728         adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg;
2729 
2730         dce_v10_0_set_display_funcs(adev);
2731 
2732         adev->mode_info.num_crtc = dce_v10_0_get_num_crtc(adev);
2733 
2734         switch (adev->asic_type) {
2735         case CHIP_FIJI:
2736         case CHIP_TONGA:
2737                 adev->mode_info.num_hpd = 6;
2738                 adev->mode_info.num_dig = 7;
2739                 break;
2740         default:
2741                 /* FIXME: not supported yet */
2742                 return -EINVAL;
2743         }
2744 
2745         dce_v10_0_set_irq_funcs(adev);
2746 
2747         return 0;
2748 }
2749 
2750 static int dce_v10_0_sw_init(void *handle)
2751 {
2752         int r, i;
2753         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2754 
2755         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2756                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2757                 if (r)
2758                         return r;
2759         }
2760 
2761         for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2762                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2763                 if (r)
2764                         return r;
2765         }
2766 
2767         /* HPD hotplug */
2768         r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2769         if (r)
2770                 return r;
2771 
2772         adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2773 
2774         adev->ddev->mode_config.async_page_flip = true;
2775 
2776         adev->ddev->mode_config.max_width = 16384;
2777         adev->ddev->mode_config.max_height = 16384;
2778 
2779         adev->ddev->mode_config.preferred_depth = 24;
2780         adev->ddev->mode_config.prefer_shadow = 1;
2781 
2782         adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
2783 
2784         r = amdgpu_display_modeset_create_props(adev);
2785         if (r)
2786                 return r;
2787 
2788         adev->ddev->mode_config.max_width = 16384;
2789         adev->ddev->mode_config.max_height = 16384;
2790 
2791         /* allocate crtcs */
2792         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2793                 r = dce_v10_0_crtc_init(adev, i);
2794                 if (r)
2795                         return r;
2796         }
2797 
2798         if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2799                 amdgpu_display_print_display_setup(adev->ddev);
2800         else
2801                 return -EINVAL;
2802 
2803         /* setup afmt */
2804         r = dce_v10_0_afmt_init(adev);
2805         if (r)
2806                 return r;
2807 
2808         r = dce_v10_0_audio_init(adev);
2809         if (r)
2810                 return r;
2811 
2812         drm_kms_helper_poll_init(adev->ddev);
2813 
2814         adev->mode_info.mode_config_initialized = true;
2815         return 0;
2816 }
2817 
2818 static int dce_v10_0_sw_fini(void *handle)
2819 {
2820         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2821 
2822         kfree(adev->mode_info.bios_hardcoded_edid);
2823 
2824         drm_kms_helper_poll_fini(adev->ddev);
2825 
2826         dce_v10_0_audio_fini(adev);
2827 
2828         dce_v10_0_afmt_fini(adev);
2829 
2830         drm_mode_config_cleanup(adev->ddev);
2831         adev->mode_info.mode_config_initialized = false;
2832 
2833         return 0;
2834 }
2835 
2836 static int dce_v10_0_hw_init(void *handle)
2837 {
2838         int i;
2839         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2840 
2841         dce_v10_0_init_golden_registers(adev);
2842 
2843         /* disable vga render */
2844         dce_v10_0_set_vga_render_state(adev, false);
2845         /* init dig PHYs, disp eng pll */
2846         amdgpu_atombios_encoder_init_dig(adev);
2847         amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2848 
2849         /* initialize hpd */
2850         dce_v10_0_hpd_init(adev);
2851 
2852         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2853                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2854         }
2855 
2856         dce_v10_0_pageflip_interrupt_init(adev);
2857 
2858         return 0;
2859 }
2860 
2861 static int dce_v10_0_hw_fini(void *handle)
2862 {
2863         int i;
2864         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2865 
2866         dce_v10_0_hpd_fini(adev);
2867 
2868         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2869                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2870         }
2871 
2872         dce_v10_0_pageflip_interrupt_fini(adev);
2873 
2874         return 0;
2875 }
2876 
2877 static int dce_v10_0_suspend(void *handle)
2878 {
2879         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2880 
2881         adev->mode_info.bl_level =
2882                 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2883 
2884         return dce_v10_0_hw_fini(handle);
2885 }
2886 
2887 static int dce_v10_0_resume(void *handle)
2888 {
2889         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2890         int ret;
2891 
2892         amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2893                                                            adev->mode_info.bl_level);
2894 
2895         ret = dce_v10_0_hw_init(handle);
2896 
2897         /* turn on the BL */
2898         if (adev->mode_info.bl_encoder) {
2899                 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2900                                                                   adev->mode_info.bl_encoder);
2901                 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2902                                                     bl_level);
2903         }
2904 
2905         return ret;
2906 }
2907 
2908 static bool dce_v10_0_is_idle(void *handle)
2909 {
2910         return true;
2911 }
2912 
2913 static int dce_v10_0_wait_for_idle(void *handle)
2914 {
2915         return 0;
2916 }
2917 
2918 static bool dce_v10_0_check_soft_reset(void *handle)
2919 {
2920         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2921 
2922         return dce_v10_0_is_display_hung(adev);
2923 }
2924 
2925 static int dce_v10_0_soft_reset(void *handle)
2926 {
2927         u32 srbm_soft_reset = 0, tmp;
2928         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2929 
2930         if (dce_v10_0_is_display_hung(adev))
2931                 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
2932 
2933         if (srbm_soft_reset) {
2934                 tmp = RREG32(mmSRBM_SOFT_RESET);
2935                 tmp |= srbm_soft_reset;
2936                 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
2937                 WREG32(mmSRBM_SOFT_RESET, tmp);
2938                 tmp = RREG32(mmSRBM_SOFT_RESET);
2939 
2940                 udelay(50);
2941 
2942                 tmp &= ~srbm_soft_reset;
2943                 WREG32(mmSRBM_SOFT_RESET, tmp);
2944                 tmp = RREG32(mmSRBM_SOFT_RESET);
2945 
2946                 /* Wait a little for things to settle down */
2947                 udelay(50);
2948         }
2949         return 0;
2950 }
2951 
2952 static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2953                                                      int crtc,
2954                                                      enum amdgpu_interrupt_state state)
2955 {
2956         u32 lb_interrupt_mask;
2957 
2958         if (crtc >= adev->mode_info.num_crtc) {
2959                 DRM_DEBUG("invalid crtc %d\n", crtc);
2960                 return;
2961         }
2962 
2963         switch (state) {
2964         case AMDGPU_IRQ_STATE_DISABLE:
2965                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
2966                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
2967                                                   VBLANK_INTERRUPT_MASK, 0);
2968                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
2969                 break;
2970         case AMDGPU_IRQ_STATE_ENABLE:
2971                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
2972                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
2973                                                   VBLANK_INTERRUPT_MASK, 1);
2974                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
2975                 break;
2976         default:
2977                 break;
2978         }
2979 }
2980 
2981 static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2982                                                     int crtc,
2983                                                     enum amdgpu_interrupt_state state)
2984 {
2985         u32 lb_interrupt_mask;
2986 
2987         if (crtc >= adev->mode_info.num_crtc) {
2988                 DRM_DEBUG("invalid crtc %d\n", crtc);
2989                 return;
2990         }
2991 
2992         switch (state) {
2993         case AMDGPU_IRQ_STATE_DISABLE:
2994                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
2995                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
2996                                                   VLINE_INTERRUPT_MASK, 0);
2997                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
2998                 break;
2999         case AMDGPU_IRQ_STATE_ENABLE:
3000                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3001                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3002                                                   VLINE_INTERRUPT_MASK, 1);
3003                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3004                 break;
3005         default:
3006                 break;
3007         }
3008 }
3009 
3010 static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev,
3011                                        struct amdgpu_irq_src *source,
3012                                        unsigned hpd,
3013                                        enum amdgpu_interrupt_state state)
3014 {
3015         u32 tmp;
3016 
3017         if (hpd >= adev->mode_info.num_hpd) {
3018                 DRM_DEBUG("invalid hdp %d\n", hpd);
3019                 return 0;
3020         }
3021 
3022         switch (state) {
3023         case AMDGPU_IRQ_STATE_DISABLE:
3024                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3025                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3026                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3027                 break;
3028         case AMDGPU_IRQ_STATE_ENABLE:
3029                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3030                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3031                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3032                 break;
3033         default:
3034                 break;
3035         }
3036 
3037         return 0;
3038 }
3039 
3040 static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev,
3041                                         struct amdgpu_irq_src *source,
3042                                         unsigned type,
3043                                         enum amdgpu_interrupt_state state)
3044 {
3045         switch (type) {
3046         case AMDGPU_CRTC_IRQ_VBLANK1:
3047                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3048                 break;
3049         case AMDGPU_CRTC_IRQ_VBLANK2:
3050                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3051                 break;
3052         case AMDGPU_CRTC_IRQ_VBLANK3:
3053                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3054                 break;
3055         case AMDGPU_CRTC_IRQ_VBLANK4:
3056                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3057                 break;
3058         case AMDGPU_CRTC_IRQ_VBLANK5:
3059                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3060                 break;
3061         case AMDGPU_CRTC_IRQ_VBLANK6:
3062                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3063                 break;
3064         case AMDGPU_CRTC_IRQ_VLINE1:
3065                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state);
3066                 break;
3067         case AMDGPU_CRTC_IRQ_VLINE2:
3068                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state);
3069                 break;
3070         case AMDGPU_CRTC_IRQ_VLINE3:
3071                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state);
3072                 break;
3073         case AMDGPU_CRTC_IRQ_VLINE4:
3074                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state);
3075                 break;
3076         case AMDGPU_CRTC_IRQ_VLINE5:
3077                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state);
3078                 break;
3079         case AMDGPU_CRTC_IRQ_VLINE6:
3080                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state);
3081                 break;
3082         default:
3083                 break;
3084         }
3085         return 0;
3086 }
3087 
3088 static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3089                                             struct amdgpu_irq_src *src,
3090                                             unsigned type,
3091                                             enum amdgpu_interrupt_state state)
3092 {
3093         u32 reg;
3094 
3095         if (type >= adev->mode_info.num_crtc) {
3096                 DRM_ERROR("invalid pageflip crtc %d\n", type);
3097                 return -EINVAL;
3098         }
3099 
3100         reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3101         if (state == AMDGPU_IRQ_STATE_DISABLE)
3102                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3103                        reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3104         else
3105                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3106                        reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3107 
3108         return 0;
3109 }
3110 
3111 static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev,
3112                                   struct amdgpu_irq_src *source,
3113                                   struct amdgpu_iv_entry *entry)
3114 {
3115         unsigned long flags;
3116         unsigned crtc_id;
3117         struct amdgpu_crtc *amdgpu_crtc;
3118         struct amdgpu_flip_work *works;
3119 
3120         crtc_id = (entry->src_id - 8) >> 1;
3121         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3122 
3123         if (crtc_id >= adev->mode_info.num_crtc) {
3124                 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3125                 return -EINVAL;
3126         }
3127 
3128         if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3129             GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3130                 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3131                        GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3132 
3133         /* IRQ could occur when in initial stage */
3134         if (amdgpu_crtc == NULL)
3135                 return 0;
3136 
3137         spin_lock_irqsave(&adev->ddev->event_lock, flags);
3138         works = amdgpu_crtc->pflip_works;
3139         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
3140                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3141                                                  "AMDGPU_FLIP_SUBMITTED(%d)\n",
3142                                                  amdgpu_crtc->pflip_status,
3143                                                  AMDGPU_FLIP_SUBMITTED);
3144                 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3145                 return 0;
3146         }
3147 
3148         /* page flip completed. clean up */
3149         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3150         amdgpu_crtc->pflip_works = NULL;
3151 
3152         /* wakeup usersapce */
3153         if (works->event)
3154                 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3155 
3156         spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3157 
3158         drm_crtc_vblank_put(&amdgpu_crtc->base);
3159         schedule_work(&works->unpin_work);
3160 
3161         return 0;
3162 }
3163 
3164 static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev,
3165                                   int hpd)
3166 {
3167         u32 tmp;
3168 
3169         if (hpd >= adev->mode_info.num_hpd) {
3170                 DRM_DEBUG("invalid hdp %d\n", hpd);
3171                 return;
3172         }
3173 
3174         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3175         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3176         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3177 }
3178 
3179 static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3180                                           int crtc)
3181 {
3182         u32 tmp;
3183 
3184         if (crtc >= adev->mode_info.num_crtc) {
3185                 DRM_DEBUG("invalid crtc %d\n", crtc);
3186                 return;
3187         }
3188 
3189         tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3190         tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3191         WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3192 }
3193 
3194 static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3195                                          int crtc)
3196 {
3197         u32 tmp;
3198 
3199         if (crtc >= adev->mode_info.num_crtc) {
3200                 DRM_DEBUG("invalid crtc %d\n", crtc);
3201                 return;
3202         }
3203 
3204         tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3205         tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3206         WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3207 }
3208 
3209 static int dce_v10_0_crtc_irq(struct amdgpu_device *adev,
3210                               struct amdgpu_irq_src *source,
3211                               struct amdgpu_iv_entry *entry)
3212 {
3213         unsigned crtc = entry->src_id - 1;
3214         uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3215         unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, crtc);
3216 
3217         switch (entry->src_data[0]) {
3218         case 0: /* vblank */
3219                 if (disp_int & interrupt_status_offsets[crtc].vblank)
3220                         dce_v10_0_crtc_vblank_int_ack(adev, crtc);
3221                 else
3222                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3223 
3224                 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3225                         drm_handle_vblank(adev->ddev, crtc);
3226                 }
3227                 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3228 
3229                 break;
3230         case 1: /* vline */
3231                 if (disp_int & interrupt_status_offsets[crtc].vline)
3232                         dce_v10_0_crtc_vline_int_ack(adev, crtc);
3233                 else
3234                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3235 
3236                 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3237 
3238                 break;
3239         default:
3240                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3241                 break;
3242         }
3243 
3244         return 0;
3245 }
3246 
3247 static int dce_v10_0_hpd_irq(struct amdgpu_device *adev,
3248                              struct amdgpu_irq_src *source,
3249                              struct amdgpu_iv_entry *entry)
3250 {
3251         uint32_t disp_int, mask;
3252         unsigned hpd;
3253 
3254         if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3255                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3256                 return 0;
3257         }
3258 
3259         hpd = entry->src_data[0];
3260         disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3261         mask = interrupt_status_offsets[hpd].hpd;
3262 
3263         if (disp_int & mask) {
3264                 dce_v10_0_hpd_int_ack(adev, hpd);
3265                 schedule_work(&adev->hotplug_work);
3266                 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3267         }
3268 
3269         return 0;
3270 }
3271 
3272 static int dce_v10_0_set_clockgating_state(void *handle,
3273                                           enum amd_clockgating_state state)
3274 {
3275         return 0;
3276 }
3277 
3278 static int dce_v10_0_set_powergating_state(void *handle,
3279                                           enum amd_powergating_state state)
3280 {
3281         return 0;
3282 }
3283 
3284 static const struct amd_ip_funcs dce_v10_0_ip_funcs = {
3285         .name = "dce_v10_0",
3286         .early_init = dce_v10_0_early_init,
3287         .late_init = NULL,
3288         .sw_init = dce_v10_0_sw_init,
3289         .sw_fini = dce_v10_0_sw_fini,
3290         .hw_init = dce_v10_0_hw_init,
3291         .hw_fini = dce_v10_0_hw_fini,
3292         .suspend = dce_v10_0_suspend,
3293         .resume = dce_v10_0_resume,
3294         .is_idle = dce_v10_0_is_idle,
3295         .wait_for_idle = dce_v10_0_wait_for_idle,
3296         .check_soft_reset = dce_v10_0_check_soft_reset,
3297         .soft_reset = dce_v10_0_soft_reset,
3298         .set_clockgating_state = dce_v10_0_set_clockgating_state,
3299         .set_powergating_state = dce_v10_0_set_powergating_state,
3300 };
3301 
3302 static void
3303 dce_v10_0_encoder_mode_set(struct drm_encoder *encoder,
3304                           struct drm_display_mode *mode,
3305                           struct drm_display_mode *adjusted_mode)
3306 {
3307         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3308 
3309         amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3310 
3311         /* need to call this here rather than in prepare() since we need some crtc info */
3312         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3313 
3314         /* set scaler clears this on some chips */
3315         dce_v10_0_set_interleave(encoder->crtc, mode);
3316 
3317         if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3318                 dce_v10_0_afmt_enable(encoder, true);
3319                 dce_v10_0_afmt_setmode(encoder, adjusted_mode);
3320         }
3321 }
3322 
3323 static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder)
3324 {
3325         struct amdgpu_device *adev = encoder->dev->dev_private;
3326         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3327         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3328 
3329         if ((amdgpu_encoder->active_device &
3330              (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3331             (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3332              ENCODER_OBJECT_ID_NONE)) {
3333                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3334                 if (dig) {
3335                         dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder);
3336                         if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3337                                 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3338                 }
3339         }
3340 
3341         amdgpu_atombios_scratch_regs_lock(adev, true);
3342 
3343         if (connector) {
3344                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3345 
3346                 /* select the clock/data port if it uses a router */
3347                 if (amdgpu_connector->router.cd_valid)
3348                         amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3349 
3350                 /* turn eDP panel on for mode set */
3351                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3352                         amdgpu_atombios_encoder_set_edp_panel_power(connector,
3353                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
3354         }
3355 
3356         /* this is needed for the pll/ss setup to work correctly in some cases */
3357         amdgpu_atombios_encoder_set_crtc_source(encoder);
3358         /* set up the FMT blocks */
3359         dce_v10_0_program_fmt(encoder);
3360 }
3361 
3362 static void dce_v10_0_encoder_commit(struct drm_encoder *encoder)
3363 {
3364         struct drm_device *dev = encoder->dev;
3365         struct amdgpu_device *adev = dev->dev_private;
3366 
3367         /* need to call this here as we need the crtc set up */
3368         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3369         amdgpu_atombios_scratch_regs_lock(adev, false);
3370 }
3371 
3372 static void dce_v10_0_encoder_disable(struct drm_encoder *encoder)
3373 {
3374         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3375         struct amdgpu_encoder_atom_dig *dig;
3376 
3377         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3378 
3379         if (amdgpu_atombios_encoder_is_digital(encoder)) {
3380                 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3381                         dce_v10_0_afmt_enable(encoder, false);
3382                 dig = amdgpu_encoder->enc_priv;
3383                 dig->dig_encoder = -1;
3384         }
3385         amdgpu_encoder->active_device = 0;
3386 }
3387 
3388 /* these are handled by the primary encoders */
3389 static void dce_v10_0_ext_prepare(struct drm_encoder *encoder)
3390 {
3391 
3392 }
3393 
3394 static void dce_v10_0_ext_commit(struct drm_encoder *encoder)
3395 {
3396 
3397 }
3398 
3399 static void
3400 dce_v10_0_ext_mode_set(struct drm_encoder *encoder,
3401                       struct drm_display_mode *mode,
3402                       struct drm_display_mode *adjusted_mode)
3403 {
3404 
3405 }
3406 
3407 static void dce_v10_0_ext_disable(struct drm_encoder *encoder)
3408 {
3409 
3410 }
3411 
3412 static void
3413 dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode)
3414 {
3415 
3416 }
3417 
3418 static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = {
3419         .dpms = dce_v10_0_ext_dpms,
3420         .prepare = dce_v10_0_ext_prepare,
3421         .mode_set = dce_v10_0_ext_mode_set,
3422         .commit = dce_v10_0_ext_commit,
3423         .disable = dce_v10_0_ext_disable,
3424         /* no detect for TMDS/LVDS yet */
3425 };
3426 
3427 static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = {
3428         .dpms = amdgpu_atombios_encoder_dpms,
3429         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3430         .prepare = dce_v10_0_encoder_prepare,
3431         .mode_set = dce_v10_0_encoder_mode_set,
3432         .commit = dce_v10_0_encoder_commit,
3433         .disable = dce_v10_0_encoder_disable,
3434         .detect = amdgpu_atombios_encoder_dig_detect,
3435 };
3436 
3437 static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = {
3438         .dpms = amdgpu_atombios_encoder_dpms,
3439         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3440         .prepare = dce_v10_0_encoder_prepare,
3441         .mode_set = dce_v10_0_encoder_mode_set,
3442         .commit = dce_v10_0_encoder_commit,
3443         .detect = amdgpu_atombios_encoder_dac_detect,
3444 };
3445 
3446 static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder)
3447 {
3448         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3449         if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3450                 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3451         kfree(amdgpu_encoder->enc_priv);
3452         drm_encoder_cleanup(encoder);
3453         kfree(amdgpu_encoder);
3454 }
3455 
3456 static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = {
3457         .destroy = dce_v10_0_encoder_destroy,
3458 };
3459 
3460 static void dce_v10_0_encoder_add(struct amdgpu_device *adev,
3461                                  uint32_t encoder_enum,
3462                                  uint32_t supported_device,
3463                                  u16 caps)
3464 {
3465         struct drm_device *dev = adev->ddev;
3466         struct drm_encoder *encoder;
3467         struct amdgpu_encoder *amdgpu_encoder;
3468 
3469         /* see if we already added it */
3470         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3471                 amdgpu_encoder = to_amdgpu_encoder(encoder);
3472                 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3473                         amdgpu_encoder->devices |= supported_device;
3474                         return;
3475                 }
3476 
3477         }
3478 
3479         /* add a new one */
3480         amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3481         if (!amdgpu_encoder)
3482                 return;
3483 
3484         encoder = &amdgpu_encoder->base;
3485         switch (adev->mode_info.num_crtc) {
3486         case 1:
3487                 encoder->possible_crtcs = 0x1;
3488                 break;
3489         case 2:
3490         default:
3491                 encoder->possible_crtcs = 0x3;
3492                 break;
3493         case 4:
3494                 encoder->possible_crtcs = 0xf;
3495                 break;
3496         case 6:
3497                 encoder->possible_crtcs = 0x3f;
3498                 break;
3499         }
3500 
3501         amdgpu_encoder->enc_priv = NULL;
3502 
3503         amdgpu_encoder->encoder_enum = encoder_enum;
3504         amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3505         amdgpu_encoder->devices = supported_device;
3506         amdgpu_encoder->rmx_type = RMX_OFF;
3507         amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3508         amdgpu_encoder->is_ext_encoder = false;
3509         amdgpu_encoder->caps = caps;
3510 
3511         switch (amdgpu_encoder->encoder_id) {
3512         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3513         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3514                 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3515                                  DRM_MODE_ENCODER_DAC, NULL);
3516                 drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs);
3517                 break;
3518         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3519         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3520         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3521         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3522         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3523                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3524                         amdgpu_encoder->rmx_type = RMX_FULL;
3525                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3526                                          DRM_MODE_ENCODER_LVDS, NULL);
3527                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3528                 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3529                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3530                                          DRM_MODE_ENCODER_DAC, NULL);
3531                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3532                 } else {
3533                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3534                                          DRM_MODE_ENCODER_TMDS, NULL);
3535                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3536                 }
3537                 drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs);
3538                 break;
3539         case ENCODER_OBJECT_ID_SI170B:
3540         case ENCODER_OBJECT_ID_CH7303:
3541         case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3542         case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3543         case ENCODER_OBJECT_ID_TITFP513:
3544         case ENCODER_OBJECT_ID_VT1623:
3545         case ENCODER_OBJECT_ID_HDMI_SI1930:
3546         case ENCODER_OBJECT_ID_TRAVIS:
3547         case ENCODER_OBJECT_ID_NUTMEG:
3548                 /* these are handled by the primary encoders */
3549                 amdgpu_encoder->is_ext_encoder = true;
3550                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3551                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3552                                          DRM_MODE_ENCODER_LVDS, NULL);
3553                 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3554                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3555                                          DRM_MODE_ENCODER_DAC, NULL);
3556                 else
3557                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3558                                          DRM_MODE_ENCODER_TMDS, NULL);
3559                 drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs);
3560                 break;
3561         }
3562 }
3563 
3564 static const struct amdgpu_display_funcs dce_v10_0_display_funcs = {
3565         .bandwidth_update = &dce_v10_0_bandwidth_update,
3566         .vblank_get_counter = &dce_v10_0_vblank_get_counter,
3567         .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3568         .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3569         .hpd_sense = &dce_v10_0_hpd_sense,
3570         .hpd_set_polarity = &dce_v10_0_hpd_set_polarity,
3571         .hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg,
3572         .page_flip = &dce_v10_0_page_flip,
3573         .page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos,
3574         .add_encoder = &dce_v10_0_encoder_add,
3575         .add_connector = &amdgpu_connector_add,
3576 };
3577 
3578 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev)
3579 {
3580         adev->mode_info.funcs = &dce_v10_0_display_funcs;
3581 }
3582 
3583 static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = {
3584         .set = dce_v10_0_set_crtc_irq_state,
3585         .process = dce_v10_0_crtc_irq,
3586 };
3587 
3588 static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = {
3589         .set = dce_v10_0_set_pageflip_irq_state,
3590         .process = dce_v10_0_pageflip_irq,
3591 };
3592 
3593 static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = {
3594         .set = dce_v10_0_set_hpd_irq_state,
3595         .process = dce_v10_0_hpd_irq,
3596 };
3597 
3598 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev)
3599 {
3600         if (adev->mode_info.num_crtc > 0)
3601                 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3602         else
3603                 adev->crtc_irq.num_types = 0;
3604         adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs;
3605 
3606         adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3607         adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs;
3608 
3609         adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3610         adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs;
3611 }
3612 
3613 const struct amdgpu_ip_block_version dce_v10_0_ip_block =
3614 {
3615         .type = AMD_IP_BLOCK_TYPE_DCE,
3616         .major = 10,
3617         .minor = 0,
3618         .rev = 0,
3619         .funcs = &dce_v10_0_ip_funcs,
3620 };
3621 
3622 const struct amdgpu_ip_block_version dce_v10_1_ip_block =
3623 {
3624         .type = AMD_IP_BLOCK_TYPE_DCE,
3625         .major = 10,
3626         .minor = 1,
3627         .rev = 0,
3628         .funcs = &dce_v10_0_ip_funcs,
3629 };
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c

DEFINITIONS
