drivers/gpu/drm/amd/amdgpu/dce_v6_0.c

   1 /*
   2  * Copyright 2015 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 <linux/pci.h>
  25
  26 #include <drm/drm_fourcc.h>
  27 #include <drm/drm_vblank.h>
  28
  29 #include "amdgpu.h"
  30 #include "amdgpu_pm.h"
  31 #include "amdgpu_i2c.h"
  32 #include "atom.h"
  33 #include "amdgpu_atombios.h"
  34 #include "atombios_crtc.h"
  35 #include "atombios_encoders.h"
  36 #include "amdgpu_pll.h"
  37 #include "amdgpu_connectors.h"
  38 #include "amdgpu_display.h"
  39
  40 #include "bif/bif_3_0_d.h"
  41 #include "bif/bif_3_0_sh_mask.h"
  42 #include "oss/oss_1_0_d.h"
  43 #include "oss/oss_1_0_sh_mask.h"
  44 #include "gca/gfx_6_0_d.h"
  45 #include "gca/gfx_6_0_sh_mask.h"
  46 #include "gmc/gmc_6_0_d.h"
  47 #include "gmc/gmc_6_0_sh_mask.h"
  48 #include "dce/dce_6_0_d.h"
  49 #include "dce/dce_6_0_sh_mask.h"
  50 #include "gca/gfx_7_2_enum.h"
  51 #include "dce_v6_0.h"
  52 #include "si_enums.h"
  53
  54 static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
  55 static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
  56
  57 static const u32 crtc_offsets[6] =
  58 {
  59         SI_CRTC0_REGISTER_OFFSET,
  60         SI_CRTC1_REGISTER_OFFSET,
  61         SI_CRTC2_REGISTER_OFFSET,
  62         SI_CRTC3_REGISTER_OFFSET,
  63         SI_CRTC4_REGISTER_OFFSET,
  64         SI_CRTC5_REGISTER_OFFSET
  65 };
  66
  67 static const u32 hpd_offsets[] =
  68 {
  69         mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
  70         mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
  71         mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
  72         mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
  73         mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
  74         mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
  75 };
  76
  77 static const uint32_t dig_offsets[] = {
  78         SI_CRTC0_REGISTER_OFFSET,
  79         SI_CRTC1_REGISTER_OFFSET,
  80         SI_CRTC2_REGISTER_OFFSET,
  81         SI_CRTC3_REGISTER_OFFSET,
  82         SI_CRTC4_REGISTER_OFFSET,
  83         SI_CRTC5_REGISTER_OFFSET,
  84         (0x13830 - 0x7030) >> 2,
  85 };
  86
  87 static const struct {
  88         uint32_t        reg;
  89         uint32_t        vblank;
  90         uint32_t        vline;
  91         uint32_t        hpd;
  92
  93 } interrupt_status_offsets[6] = { {
  94         .reg = mmDISP_INTERRUPT_STATUS,
  95         .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  96         .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
  97         .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
  98 }, {
  99         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
 100         .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
 101         .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
 102         .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
 103 }, {
 104         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
 105         .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
 106         .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
 107         .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 108 }, {
 109         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 110         .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 111         .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 112         .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 113 }, {
 114         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 115         .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 116         .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 117         .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 118 }, {
 119         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 120         .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 121         .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 122         .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 123 } };
 124
 125 static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
 126                                      u32 block_offset, u32 reg)
 127 {
 128         unsigned long flags;
 129         u32 r;
 130
 131         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 132         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 133         r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 134         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 135
 136         return r;
 137 }
 138
 139 static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
 140                                       u32 block_offset, u32 reg, u32 v)
 141 {
 142         unsigned long flags;
 143
 144         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 145         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset,
 146                 reg | AZALIA_F0_CODEC_ENDPOINT_INDEX__AZALIA_ENDPOINT_REG_WRITE_EN_MASK);
 147         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 148         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 149 }
 150
 151 static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 152 {
 153         if (crtc >= adev->mode_info.num_crtc)
 154                 return 0;
 155         else
 156                 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 157 }
 158
 159 static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 160 {
 161         unsigned i;
 162
 163         /* Enable pflip interrupts */
 164         for (i = 0; i < adev->mode_info.num_crtc; i++)
 165                 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 166 }
 167
 168 static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 169 {
 170         unsigned i;
 171
 172         /* Disable pflip interrupts */
 173         for (i = 0; i < adev->mode_info.num_crtc; i++)
 174                 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 175 }
 176
 177 /**
 178  * dce_v6_0_page_flip - pageflip callback.
 179  *
 180  * @adev: amdgpu_device pointer
 181  * @crtc_id: crtc to cleanup pageflip on
 182  * @crtc_base: new address of the crtc (GPU MC address)
 183  * @async: asynchronous flip
 184  *
 185  * Does the actual pageflip (evergreen+).
 186  * During vblank we take the crtc lock and wait for the update_pending
 187  * bit to go high, when it does, we release the lock, and allow the
 188  * double buffered update to take place.
 189  * Returns the current update pending status.
 190  */
 191 static void dce_v6_0_page_flip(struct amdgpu_device *adev,
 192                                int crtc_id, u64 crtc_base, bool async)
 193 {
 194         struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 195         struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
 196
 197         /* flip at hsync for async, default is vsync */
 198         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
 199                GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
 200         /* update pitch */
 201         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
 202                fb->pitches[0] / fb->format->cpp[0]);
 203         /* update the scanout addresses */
 204         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 205                upper_32_bits(crtc_base));
 206         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 207                (u32)crtc_base);
 208
 209         /* post the write */
 210         RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 211 }
 212
 213 static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 214                                         u32 *vbl, u32 *position)
 215 {
 216         if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 217                 return -EINVAL;
 218         *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 219         *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 220
 221         return 0;
 222
 223 }
 224
 225 /**
 226  * dce_v6_0_hpd_sense - hpd sense callback.
 227  *
 228  * @adev: amdgpu_device pointer
 229  * @hpd: hpd (hotplug detect) pin
 230  *
 231  * Checks if a digital monitor is connected (evergreen+).
 232  * Returns true if connected, false if not connected.
 233  */
 234 static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
 235                                enum amdgpu_hpd_id hpd)
 236 {
 237         bool connected = false;
 238
 239         if (hpd >= adev->mode_info.num_hpd)
 240                 return connected;
 241
 242         if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
 243                 connected = true;
 244
 245         return connected;
 246 }
 247
 248 /**
 249  * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
 250  *
 251  * @adev: amdgpu_device pointer
 252  * @hpd: hpd (hotplug detect) pin
 253  *
 254  * Set the polarity of the hpd pin (evergreen+).
 255  */
 256 static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
 257                                       enum amdgpu_hpd_id hpd)
 258 {
 259         u32 tmp;
 260         bool connected = dce_v6_0_hpd_sense(adev, hpd);
 261
 262         if (hpd >= adev->mode_info.num_hpd)
 263                 return;
 264
 265         tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
 266         if (connected)
 267                 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
 268         else
 269                 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
 270         WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
 271 }
 272
 273 /**
 274  * dce_v6_0_hpd_init - hpd setup callback.
 275  *
 276  * @adev: amdgpu_device pointer
 277  *
 278  * Setup the hpd pins used by the card (evergreen+).
 279  * Enable the pin, set the polarity, and enable the hpd interrupts.
 280  */
 281 static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
 282 {
 283         struct drm_device *dev = adev_to_drm(adev);
 284         struct drm_connector *connector;
 285         struct drm_connector_list_iter iter;
 286         u32 tmp;
 287
 288         drm_connector_list_iter_begin(dev, &iter);
 289         drm_for_each_connector_iter(connector, &iter) {
 290                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 291
 292                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 293                         continue;
 294
 295                 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 296                 tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
 297                 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 298
 299                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 300                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 301                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
 302                          * aux dp channel on imac and help (but not completely fix)
 303                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 304                          * also avoid interrupt storms during dpms.
 305                          */
 306                         tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 307                         tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
 308                         WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 309                         continue;
 310                 }
 311
 312                 dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 313                 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 314         }
 315         drm_connector_list_iter_end(&iter);
 316 }
 317
 318 /**
 319  * dce_v6_0_hpd_fini - hpd tear down callback.
 320  *
 321  * @adev: amdgpu_device pointer
 322  *
 323  * Tear down the hpd pins used by the card (evergreen+).
 324  * Disable the hpd interrupts.
 325  */
 326 static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
 327 {
 328         struct drm_device *dev = adev_to_drm(adev);
 329         struct drm_connector *connector;
 330         struct drm_connector_list_iter iter;
 331         u32 tmp;
 332
 333         drm_connector_list_iter_begin(dev, &iter);
 334         drm_for_each_connector_iter(connector, &iter) {
 335                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 336
 337                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 338                         continue;
 339
 340                 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 341                 tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
 342                 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], 0);
 343
 344                 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 345         }
 346         drm_connector_list_iter_end(&iter);
 347 }
 348
 349 static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 350 {
 351         return mmDC_GPIO_HPD_A;
 352 }
 353
 354 static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
 355                                           bool render)
 356 {
 357         if (!render)
 358                 WREG32(mmVGA_RENDER_CONTROL,
 359                         RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
 360
 361 }
 362
 363 static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
 364 {
 365         switch (adev->asic_type) {
 366         case CHIP_TAHITI:
 367         case CHIP_PITCAIRN:
 368         case CHIP_VERDE:
 369                 return 6;
 370         case CHIP_OLAND:
 371                 return 2;
 372         default:
 373                 return 0;
 374         }
 375 }
 376
 377 void dce_v6_0_disable_dce(struct amdgpu_device *adev)
 378 {
 379         /*Disable VGA render and enabled crtc, if has DCE engine*/
 380         if (amdgpu_atombios_has_dce_engine_info(adev)) {
 381                 u32 tmp;
 382                 int crtc_enabled, i;
 383
 384                 dce_v6_0_set_vga_render_state(adev, false);
 385
 386                 /*Disable crtc*/
 387                 for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
 388                         crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
 389                                 CRTC_CONTROL__CRTC_MASTER_EN_MASK;
 390                         if (crtc_enabled) {
 391                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 392                                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 393                                 tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
 394                                 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 395                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 396                         }
 397                 }
 398         }
 399 }
 400
 401 static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
 402 {
 403
 404         struct drm_device *dev = encoder->dev;
 405         struct amdgpu_device *adev = drm_to_adev(dev);
 406         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 407         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 408         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 409         int bpc = 0;
 410         u32 tmp = 0;
 411         enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 412
 413         if (connector) {
 414                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 415                 bpc = amdgpu_connector_get_monitor_bpc(connector);
 416                 dither = amdgpu_connector->dither;
 417         }
 418
 419         /* LVDS FMT is set up by atom */
 420         if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 421                 return;
 422
 423         if (bpc == 0)
 424                 return;
 425
 426
 427         switch (bpc) {
 428         case 6:
 429                 if (dither == AMDGPU_FMT_DITHER_ENABLE)
 430                         /* XXX sort out optimal dither settings */
 431                         tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
 432                                 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
 433                                 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
 434                 else
 435                         tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
 436                 break;
 437         case 8:
 438                 if (dither == AMDGPU_FMT_DITHER_ENABLE)
 439                         /* XXX sort out optimal dither settings */
 440                         tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
 441                                 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
 442                                 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
 443                                 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
 444                                 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
 445                 else
 446                         tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
 447                                 FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
 448                 break;
 449         case 10:
 450         default:
 451                 /* not needed */
 452                 break;
 453         }
 454
 455         WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 456 }
 457
 458 /**
 459  * si_get_number_of_dram_channels - get the number of dram channels
 460  *
 461  * @adev: amdgpu_device pointer
 462  *
 463  * Look up the number of video ram channels (CIK).
 464  * Used for display watermark bandwidth calculations
 465  * Returns the number of dram channels
 466  */
 467 static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
 468 {
 469         u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 470
 471         switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
 472         case 0:
 473         default:
 474                 return 1;
 475         case 1:
 476                 return 2;
 477         case 2:
 478                 return 4;
 479         case 3:
 480                 return 8;
 481         case 4:
 482                 return 3;
 483         case 5:
 484                 return 6;
 485         case 6:
 486                 return 10;
 487         case 7:
 488                 return 12;
 489         case 8:
 490                 return 16;
 491         }
 492 }
 493
 494 struct dce6_wm_params {
 495         u32 dram_channels; /* number of dram channels */
 496         u32 yclk;          /* bandwidth per dram data pin in kHz */
 497         u32 sclk;          /* engine clock in kHz */
 498         u32 disp_clk;      /* display clock in kHz */
 499         u32 src_width;     /* viewport width */
 500         u32 active_time;   /* active display time in ns */
 501         u32 blank_time;    /* blank time in ns */
 502         bool interlaced;    /* mode is interlaced */
 503         fixed20_12 vsc;    /* vertical scale ratio */
 504         u32 num_heads;     /* number of active crtcs */
 505         u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 506         u32 lb_size;       /* line buffer allocated to pipe */
 507         u32 vtaps;         /* vertical scaler taps */
 508 };
 509
 510 /**
 511  * dce_v6_0_dram_bandwidth - get the dram bandwidth
 512  *
 513  * @wm: watermark calculation data
 514  *
 515  * Calculate the raw dram bandwidth (CIK).
 516  * Used for display watermark bandwidth calculations
 517  * Returns the dram bandwidth in MBytes/s
 518  */
 519 static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
 520 {
 521         /* Calculate raw DRAM Bandwidth */
 522         fixed20_12 dram_efficiency; /* 0.7 */
 523         fixed20_12 yclk, dram_channels, bandwidth;
 524         fixed20_12 a;
 525
 526         a.full = dfixed_const(1000);
 527         yclk.full = dfixed_const(wm->yclk);
 528         yclk.full = dfixed_div(yclk, a);
 529         dram_channels.full = dfixed_const(wm->dram_channels * 4);
 530         a.full = dfixed_const(10);
 531         dram_efficiency.full = dfixed_const(7);
 532         dram_efficiency.full = dfixed_div(dram_efficiency, a);
 533         bandwidth.full = dfixed_mul(dram_channels, yclk);
 534         bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 535
 536         return dfixed_trunc(bandwidth);
 537 }
 538
 539 /**
 540  * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
 541  *
 542  * @wm: watermark calculation data
 543  *
 544  * Calculate the dram bandwidth used for display (CIK).
 545  * Used for display watermark bandwidth calculations
 546  * Returns the dram bandwidth for display in MBytes/s
 547  */
 548 static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
 549 {
 550         /* Calculate DRAM Bandwidth and the part allocated to display. */
 551         fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 552         fixed20_12 yclk, dram_channels, bandwidth;
 553         fixed20_12 a;
 554
 555         a.full = dfixed_const(1000);
 556         yclk.full = dfixed_const(wm->yclk);
 557         yclk.full = dfixed_div(yclk, a);
 558         dram_channels.full = dfixed_const(wm->dram_channels * 4);
 559         a.full = dfixed_const(10);
 560         disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 561         disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 562         bandwidth.full = dfixed_mul(dram_channels, yclk);
 563         bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 564
 565         return dfixed_trunc(bandwidth);
 566 }
 567
 568 /**
 569  * dce_v6_0_data_return_bandwidth - get the data return bandwidth
 570  *
 571  * @wm: watermark calculation data
 572  *
 573  * Calculate the data return bandwidth used for display (CIK).
 574  * Used for display watermark bandwidth calculations
 575  * Returns the data return bandwidth in MBytes/s
 576  */
 577 static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
 578 {
 579         /* Calculate the display Data return Bandwidth */
 580         fixed20_12 return_efficiency; /* 0.8 */
 581         fixed20_12 sclk, bandwidth;
 582         fixed20_12 a;
 583
 584         a.full = dfixed_const(1000);
 585         sclk.full = dfixed_const(wm->sclk);
 586         sclk.full = dfixed_div(sclk, a);
 587         a.full = dfixed_const(10);
 588         return_efficiency.full = dfixed_const(8);
 589         return_efficiency.full = dfixed_div(return_efficiency, a);
 590         a.full = dfixed_const(32);
 591         bandwidth.full = dfixed_mul(a, sclk);
 592         bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 593
 594         return dfixed_trunc(bandwidth);
 595 }
 596
 597 /**
 598  * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
 599  *
 600  * @wm: watermark calculation data
 601  *
 602  * Calculate the dmif bandwidth used for display (CIK).
 603  * Used for display watermark bandwidth calculations
 604  * Returns the dmif bandwidth in MBytes/s
 605  */
 606 static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
 607 {
 608         /* Calculate the DMIF Request Bandwidth */
 609         fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 610         fixed20_12 disp_clk, bandwidth;
 611         fixed20_12 a, b;
 612
 613         a.full = dfixed_const(1000);
 614         disp_clk.full = dfixed_const(wm->disp_clk);
 615         disp_clk.full = dfixed_div(disp_clk, a);
 616         a.full = dfixed_const(32);
 617         b.full = dfixed_mul(a, disp_clk);
 618
 619         a.full = dfixed_const(10);
 620         disp_clk_request_efficiency.full = dfixed_const(8);
 621         disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 622
 623         bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 624
 625         return dfixed_trunc(bandwidth);
 626 }
 627
 628 /**
 629  * dce_v6_0_available_bandwidth - get the min available bandwidth
 630  *
 631  * @wm: watermark calculation data
 632  *
 633  * Calculate the min available bandwidth used for display (CIK).
 634  * Used for display watermark bandwidth calculations
 635  * Returns the min available bandwidth in MBytes/s
 636  */
 637 static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
 638 {
 639         /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 640         u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
 641         u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
 642         u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
 643
 644         return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 645 }
 646
 647 /**
 648  * dce_v6_0_average_bandwidth - get the average available bandwidth
 649  *
 650  * @wm: watermark calculation data
 651  *
 652  * Calculate the average available bandwidth used for display (CIK).
 653  * Used for display watermark bandwidth calculations
 654  * Returns the average available bandwidth in MBytes/s
 655  */
 656 static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
 657 {
 658         /* Calculate the display mode Average Bandwidth
 659          * DisplayMode should contain the source and destination dimensions,
 660          * timing, etc.
 661          */
 662         fixed20_12 bpp;
 663         fixed20_12 line_time;
 664         fixed20_12 src_width;
 665         fixed20_12 bandwidth;
 666         fixed20_12 a;
 667
 668         a.full = dfixed_const(1000);
 669         line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 670         line_time.full = dfixed_div(line_time, a);
 671         bpp.full = dfixed_const(wm->bytes_per_pixel);
 672         src_width.full = dfixed_const(wm->src_width);
 673         bandwidth.full = dfixed_mul(src_width, bpp);
 674         bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 675         bandwidth.full = dfixed_div(bandwidth, line_time);
 676
 677         return dfixed_trunc(bandwidth);
 678 }
 679
 680 /**
 681  * dce_v6_0_latency_watermark - get the latency watermark
 682  *
 683  * @wm: watermark calculation data
 684  *
 685  * Calculate the latency watermark (CIK).
 686  * Used for display watermark bandwidth calculations
 687  * Returns the latency watermark in ns
 688  */
 689 static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
 690 {
 691         /* First calculate the latency in ns */
 692         u32 mc_latency = 2000; /* 2000 ns. */
 693         u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
 694         u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 695         u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 696         u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 697         u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 698                 (wm->num_heads * cursor_line_pair_return_time);
 699         u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 700         u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 701         u32 tmp, dmif_size = 12288;
 702         fixed20_12 a, b, c;
 703
 704         if (wm->num_heads == 0)
 705                 return 0;
 706
 707         a.full = dfixed_const(2);
 708         b.full = dfixed_const(1);
 709         if ((wm->vsc.full > a.full) ||
 710             ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 711             (wm->vtaps >= 5) ||
 712             ((wm->vsc.full >= a.full) && wm->interlaced))
 713                 max_src_lines_per_dst_line = 4;
 714         else
 715                 max_src_lines_per_dst_line = 2;
 716
 717         a.full = dfixed_const(available_bandwidth);
 718         b.full = dfixed_const(wm->num_heads);
 719         a.full = dfixed_div(a, b);
 720         tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 721         tmp = min(dfixed_trunc(a), tmp);
 722
 723         lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 724
 725         a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 726         b.full = dfixed_const(1000);
 727         c.full = dfixed_const(lb_fill_bw);
 728         b.full = dfixed_div(c, b);
 729         a.full = dfixed_div(a, b);
 730         line_fill_time = dfixed_trunc(a);
 731
 732         if (line_fill_time < wm->active_time)
 733                 return latency;
 734         else
 735                 return latency + (line_fill_time - wm->active_time);
 736
 737 }
 738
 739 /**
 740  * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 741  * average and available dram bandwidth
 742  *
 743  * @wm: watermark calculation data
 744  *
 745  * Check if the display average bandwidth fits in the display
 746  * dram bandwidth (CIK).
 747  * Used for display watermark bandwidth calculations
 748  * Returns true if the display fits, false if not.
 749  */
 750 static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
 751 {
 752         if (dce_v6_0_average_bandwidth(wm) <=
 753             (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 754                 return true;
 755         else
 756                 return false;
 757 }
 758
 759 /**
 760  * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
 761  * average and available bandwidth
 762  *
 763  * @wm: watermark calculation data
 764  *
 765  * Check if the display average bandwidth fits in the display
 766  * available bandwidth (CIK).
 767  * Used for display watermark bandwidth calculations
 768  * Returns true if the display fits, false if not.
 769  */
 770 static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
 771 {
 772         if (dce_v6_0_average_bandwidth(wm) <=
 773             (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
 774                 return true;
 775         else
 776                 return false;
 777 }
 778
 779 /**
 780  * dce_v6_0_check_latency_hiding - check latency hiding
 781  *
 782  * @wm: watermark calculation data
 783  *
 784  * Check latency hiding (CIK).
 785  * Used for display watermark bandwidth calculations
 786  * Returns true if the display fits, false if not.
 787  */
 788 static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
 789 {
 790         u32 lb_partitions = wm->lb_size / wm->src_width;
 791         u32 line_time = wm->active_time + wm->blank_time;
 792         u32 latency_tolerant_lines;
 793         u32 latency_hiding;
 794         fixed20_12 a;
 795
 796         a.full = dfixed_const(1);
 797         if (wm->vsc.full > a.full)
 798                 latency_tolerant_lines = 1;
 799         else {
 800                 if (lb_partitions <= (wm->vtaps + 1))
 801                         latency_tolerant_lines = 1;
 802                 else
 803                         latency_tolerant_lines = 2;
 804         }
 805
 806         latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
 807
 808         if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
 809                 return true;
 810         else
 811                 return false;
 812 }
 813
 814 /**
 815  * dce_v6_0_program_watermarks - program display watermarks
 816  *
 817  * @adev: amdgpu_device pointer
 818  * @amdgpu_crtc: the selected display controller
 819  * @lb_size: line buffer size
 820  * @num_heads: number of display controllers in use
 821  *
 822  * Calculate and program the display watermarks for the
 823  * selected display controller (CIK).
 824  */
 825 static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
 826                                         struct amdgpu_crtc *amdgpu_crtc,
 827                                         u32 lb_size, u32 num_heads)
 828 {
 829         struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
 830         struct dce6_wm_params wm_low, wm_high;
 831         u32 dram_channels;
 832         u32 active_time;
 833         u32 line_time = 0;
 834         u32 latency_watermark_a = 0, latency_watermark_b = 0;
 835         u32 priority_a_mark = 0, priority_b_mark = 0;
 836         u32 priority_a_cnt = PRIORITY_OFF;
 837         u32 priority_b_cnt = PRIORITY_OFF;
 838         u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
 839         fixed20_12 a, b, c;
 840
 841         if (amdgpu_crtc->base.enabled && num_heads && mode) {
 842                 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
 843                                             (u32)mode->clock);
 844                 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
 845                                           (u32)mode->clock);
 846                 line_time = min(line_time, (u32)65535);
 847                 priority_a_cnt = 0;
 848                 priority_b_cnt = 0;
 849
 850                 dram_channels = si_get_number_of_dram_channels(adev);
 851
 852                 /* watermark for high clocks */
 853                 if (adev->pm.dpm_enabled) {
 854                         wm_high.yclk =
 855                                 amdgpu_dpm_get_mclk(adev, false) * 10;
 856                         wm_high.sclk =
 857                                 amdgpu_dpm_get_sclk(adev, false) * 10;
 858                 } else {
 859                         wm_high.yclk = adev->pm.current_mclk * 10;
 860                         wm_high.sclk = adev->pm.current_sclk * 10;
 861                 }
 862
 863                 wm_high.disp_clk = mode->clock;
 864                 wm_high.src_width = mode->crtc_hdisplay;
 865                 wm_high.active_time = active_time;
 866                 wm_high.blank_time = line_time - wm_high.active_time;
 867                 wm_high.interlaced = false;
 868                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 869                         wm_high.interlaced = true;
 870                 wm_high.vsc = amdgpu_crtc->vsc;
 871                 wm_high.vtaps = 1;
 872                 if (amdgpu_crtc->rmx_type != RMX_OFF)
 873                         wm_high.vtaps = 2;
 874                 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
 875                 wm_high.lb_size = lb_size;
 876                 wm_high.dram_channels = dram_channels;
 877                 wm_high.num_heads = num_heads;
 878
 879                 if (adev->pm.dpm_enabled) {
 880                 /* watermark for low clocks */
 881                         wm_low.yclk =
 882                                 amdgpu_dpm_get_mclk(adev, true) * 10;
 883                         wm_low.sclk =
 884                                 amdgpu_dpm_get_sclk(adev, true) * 10;
 885                 } else {
 886                         wm_low.yclk = adev->pm.current_mclk * 10;
 887                         wm_low.sclk = adev->pm.current_sclk * 10;
 888                 }
 889
 890                 wm_low.disp_clk = mode->clock;
 891                 wm_low.src_width = mode->crtc_hdisplay;
 892                 wm_low.active_time = active_time;
 893                 wm_low.blank_time = line_time - wm_low.active_time;
 894                 wm_low.interlaced = false;
 895                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 896                         wm_low.interlaced = true;
 897                 wm_low.vsc = amdgpu_crtc->vsc;
 898                 wm_low.vtaps = 1;
 899                 if (amdgpu_crtc->rmx_type != RMX_OFF)
 900                         wm_low.vtaps = 2;
 901                 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
 902                 wm_low.lb_size = lb_size;
 903                 wm_low.dram_channels = dram_channels;
 904                 wm_low.num_heads = num_heads;
 905
 906                 /* set for high clocks */
 907                 latency_watermark_a = min(dce_v6_0_latency_watermark(&wm_high), (u32)65535);
 908                 /* set for low clocks */
 909                 latency_watermark_b = min(dce_v6_0_latency_watermark(&wm_low), (u32)65535);
 910
 911                 /* possibly force display priority to high */
 912                 /* should really do this at mode validation time... */
 913                 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
 914                     !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
 915                     !dce_v6_0_check_latency_hiding(&wm_high) ||
 916                     (adev->mode_info.disp_priority == 2)) {
 917                         DRM_DEBUG_KMS("force priority to high\n");
 918                         priority_a_cnt |= PRIORITY_ALWAYS_ON;
 919                         priority_b_cnt |= PRIORITY_ALWAYS_ON;
 920                 }
 921                 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
 922                     !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
 923                     !dce_v6_0_check_latency_hiding(&wm_low) ||
 924                     (adev->mode_info.disp_priority == 2)) {
 925                         DRM_DEBUG_KMS("force priority to high\n");
 926                         priority_a_cnt |= PRIORITY_ALWAYS_ON;
 927                         priority_b_cnt |= PRIORITY_ALWAYS_ON;
 928                 }
 929
 930                 a.full = dfixed_const(1000);
 931                 b.full = dfixed_const(mode->clock);
 932                 b.full = dfixed_div(b, a);
 933                 c.full = dfixed_const(latency_watermark_a);
 934                 c.full = dfixed_mul(c, b);
 935                 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
 936                 c.full = dfixed_div(c, a);
 937                 a.full = dfixed_const(16);
 938                 c.full = dfixed_div(c, a);
 939                 priority_a_mark = dfixed_trunc(c);
 940                 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
 941
 942                 a.full = dfixed_const(1000);
 943                 b.full = dfixed_const(mode->clock);
 944                 b.full = dfixed_div(b, a);
 945                 c.full = dfixed_const(latency_watermark_b);
 946                 c.full = dfixed_mul(c, b);
 947                 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
 948                 c.full = dfixed_div(c, a);
 949                 a.full = dfixed_const(16);
 950                 c.full = dfixed_div(c, a);
 951                 priority_b_mark = dfixed_trunc(c);
 952                 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
 953
 954                 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
 955         }
 956
 957         /* select wm A */
 958         arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
 959         tmp = arb_control3;
 960         tmp &= ~LATENCY_WATERMARK_MASK(3);
 961         tmp |= LATENCY_WATERMARK_MASK(1);
 962         WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
 963         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
 964                ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT)  |
 965                 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
 966         /* select wm B */
 967         tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
 968         tmp &= ~LATENCY_WATERMARK_MASK(3);
 969         tmp |= LATENCY_WATERMARK_MASK(2);
 970         WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
 971         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
 972                ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
 973                 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
 974         /* restore original selection */
 975         WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
 976
 977         /* write the priority marks */
 978         WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
 979         WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
 980
 981         /* save values for DPM */
 982         amdgpu_crtc->line_time = line_time;
 983         amdgpu_crtc->wm_high = latency_watermark_a;
 984
 985         /* Save number of lines the linebuffer leads before the scanout */
 986         amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
 987 }
 988
 989 /* watermark setup */
 990 static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
 991                                    struct amdgpu_crtc *amdgpu_crtc,
 992                                    struct drm_display_mode *mode,
 993                                    struct drm_display_mode *other_mode)
 994 {
 995         u32 tmp, buffer_alloc, i;
 996         u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
 997         /*
 998          * Line Buffer Setup
 999          * There are 3 line buffers, each one shared by 2 display controllers.
1000          * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1001          * the display controllers.  The paritioning is done via one of four
1002          * preset allocations specified in bits 21:20:
1003          *  0 - half lb
1004          *  2 - whole lb, other crtc must be disabled
1005          */
1006         /* this can get tricky if we have two large displays on a paired group
1007          * of crtcs.  Ideally for multiple large displays we'd assign them to
1008          * non-linked crtcs for maximum line buffer allocation.
1009          */
1010         if (amdgpu_crtc->base.enabled && mode) {
1011                 if (other_mode) {
1012                         tmp = 0; /* 1/2 */
1013                         buffer_alloc = 1;
1014                 } else {
1015                         tmp = 2; /* whole */
1016                         buffer_alloc = 2;
1017                 }
1018         } else {
1019                 tmp = 0;
1020                 buffer_alloc = 0;
1021         }
1022
1023         WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1024                DC_LB_MEMORY_CONFIG(tmp));
1025
1026         WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1027                (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1028         for (i = 0; i < adev->usec_timeout; i++) {
1029                 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1030                     PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1031                         break;
1032                 udelay(1);
1033         }
1034
1035         if (amdgpu_crtc->base.enabled && mode) {
1036                 switch (tmp) {
1037                 case 0:
1038                 default:
1039                         return 4096 * 2;
1040                 case 2:
1041                         return 8192 * 2;
1042                 }
1043         }
1044
1045         /* controller not enabled, so no lb used */
1046         return 0;
1047 }
1048
1049
1050 /**
1051  * dce_v6_0_bandwidth_update - program display watermarks
1052  *
1053  * @adev: amdgpu_device pointer
1054  *
1055  * Calculate and program the display watermarks and line
1056  * buffer allocation (CIK).
1057  */
1058 static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1059 {
1060         struct drm_display_mode *mode0 = NULL;
1061         struct drm_display_mode *mode1 = NULL;
1062         u32 num_heads = 0, lb_size;
1063         int i;
1064
1065         if (!adev->mode_info.mode_config_initialized)
1066                 return;
1067
1068         amdgpu_display_update_priority(adev);
1069
1070         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1071                 if (adev->mode_info.crtcs[i]->base.enabled)
1072                         num_heads++;
1073         }
1074         for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1075                 mode0 = &adev->mode_info.crtcs[i]->base.mode;
1076                 mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1077                 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1078                 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1079                 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1080                 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1081         }
1082 }
1083
1084 static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1085 {
1086         int i;
1087         u32 tmp;
1088
1089         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1090                 tmp = RREG32_AUDIO_ENDPT(adev->mode_info.audio.pin[i].offset,
1091                                 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1092                 if (REG_GET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT,
1093                                         PORT_CONNECTIVITY))
1094                         adev->mode_info.audio.pin[i].connected = false;
1095                 else
1096                         adev->mode_info.audio.pin[i].connected = true;
1097         }
1098
1099 }
1100
1101 static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1102 {
1103         int i;
1104
1105         dce_v6_0_audio_get_connected_pins(adev);
1106
1107         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1108                 if (adev->mode_info.audio.pin[i].connected)
1109                         return &adev->mode_info.audio.pin[i];
1110         }
1111         DRM_ERROR("No connected audio pins found!\n");
1112         return NULL;
1113 }
1114
1115 static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder)
1116 {
1117         struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1118         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1119         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1120
1121         if (!dig || !dig->afmt || !dig->afmt->pin)
1122                 return;
1123
1124         WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset,
1125                REG_SET_FIELD(0, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT,
1126                              dig->afmt->pin->id));
1127 }
1128
1129 static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1130                                                 struct drm_display_mode *mode)
1131 {
1132         struct drm_device *dev = encoder->dev;
1133         struct amdgpu_device *adev = drm_to_adev(dev);
1134         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1135         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1136         struct drm_connector *connector;
1137         struct drm_connector_list_iter iter;
1138         struct amdgpu_connector *amdgpu_connector = NULL;
1139         int interlace = 0;
1140         u32 tmp;
1141
1142         drm_connector_list_iter_begin(dev, &iter);
1143         drm_for_each_connector_iter(connector, &iter) {
1144                 if (connector->encoder == encoder) {
1145                         amdgpu_connector = to_amdgpu_connector(connector);
1146                         break;
1147                 }
1148         }
1149         drm_connector_list_iter_end(&iter);
1150
1151         if (!amdgpu_connector) {
1152                 DRM_ERROR("Couldn't find encoder's connector\n");
1153                 return;
1154         }
1155
1156         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1157                 interlace = 1;
1158
1159         if (connector->latency_present[interlace]) {
1160                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1161                                 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1162                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1163                                 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1164         } else {
1165                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1166                                 VIDEO_LIPSYNC, 0);
1167                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1168                                 AUDIO_LIPSYNC, 0);
1169         }
1170         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1171                            ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1172 }
1173
1174 static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1175 {
1176         struct drm_device *dev = encoder->dev;
1177         struct amdgpu_device *adev = drm_to_adev(dev);
1178         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1179         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1180         struct drm_connector *connector;
1181         struct drm_connector_list_iter iter;
1182         struct amdgpu_connector *amdgpu_connector = NULL;
1183         u8 *sadb = NULL;
1184         int sad_count;
1185         u32 tmp;
1186
1187         drm_connector_list_iter_begin(dev, &iter);
1188         drm_for_each_connector_iter(connector, &iter) {
1189                 if (connector->encoder == encoder) {
1190                         amdgpu_connector = to_amdgpu_connector(connector);
1191                         break;
1192                 }
1193         }
1194         drm_connector_list_iter_end(&iter);
1195
1196         if (!amdgpu_connector) {
1197                 DRM_ERROR("Couldn't find encoder's connector\n");
1198                 return;
1199         }
1200
1201         sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1202         if (sad_count < 0) {
1203                 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1204                 sad_count = 0;
1205         }
1206
1207         /* program the speaker allocation */
1208         tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1209                         ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1210         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1211                         HDMI_CONNECTION, 0);
1212         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1213                         DP_CONNECTION, 0);
1214
1215         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
1216                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1217                                 DP_CONNECTION, 1);
1218         else
1219                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1220                                 HDMI_CONNECTION, 1);
1221
1222         if (sad_count)
1223                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1224                                 SPEAKER_ALLOCATION, sadb[0]);
1225         else
1226                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1227                                 SPEAKER_ALLOCATION, 5); /* stereo */
1228
1229         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1230                         ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1231
1232         kfree(sadb);
1233 }
1234
1235 static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1236 {
1237         struct drm_device *dev = encoder->dev;
1238         struct amdgpu_device *adev = drm_to_adev(dev);
1239         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1240         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1241         struct drm_connector *connector;
1242         struct drm_connector_list_iter iter;
1243         struct amdgpu_connector *amdgpu_connector = NULL;
1244         struct cea_sad *sads;
1245         int i, sad_count;
1246
1247         static const u16 eld_reg_to_type[][2] = {
1248                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1249                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1250                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1251                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1252                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1253                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1254                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1255                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1256                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1257                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1258                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1259                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1260         };
1261
1262         drm_connector_list_iter_begin(dev, &iter);
1263         drm_for_each_connector_iter(connector, &iter) {
1264                 if (connector->encoder == encoder) {
1265                         amdgpu_connector = to_amdgpu_connector(connector);
1266                         break;
1267                 }
1268         }
1269         drm_connector_list_iter_end(&iter);
1270
1271         if (!amdgpu_connector) {
1272                 DRM_ERROR("Couldn't find encoder's connector\n");
1273                 return;
1274         }
1275
1276         sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1277         if (sad_count < 0)
1278                 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1279         if (sad_count <= 0)
1280                 return;
1281
1282         for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1283                 u32 tmp = 0;
1284                 u8 stereo_freqs = 0;
1285                 int max_channels = -1;
1286                 int j;
1287
1288                 for (j = 0; j < sad_count; j++) {
1289                         struct cea_sad *sad = &sads[j];
1290
1291                         if (sad->format == eld_reg_to_type[i][1]) {
1292                                 if (sad->channels > max_channels) {
1293                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1294                                                         MAX_CHANNELS, sad->channels);
1295                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1296                                                         DESCRIPTOR_BYTE_2, sad->byte2);
1297                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1298                                                         SUPPORTED_FREQUENCIES, sad->freq);
1299                                         max_channels = sad->channels;
1300                                 }
1301
1302                                 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1303                                         stereo_freqs |= sad->freq;
1304                                 else
1305                                         break;
1306                         }
1307                 }
1308
1309                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1310                                 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1311                 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1312         }
1313
1314         kfree(sads);
1315
1316 }
1317
1318 static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1319                                   struct amdgpu_audio_pin *pin,
1320                                   bool enable)
1321 {
1322         if (!pin)
1323                 return;
1324
1325         WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1326                         enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1327 }
1328
1329 static const u32 pin_offsets[7] =
1330 {
1331         (0x1780 - 0x1780),
1332         (0x1786 - 0x1780),
1333         (0x178c - 0x1780),
1334         (0x1792 - 0x1780),
1335         (0x1798 - 0x1780),
1336         (0x179d - 0x1780),
1337         (0x17a4 - 0x1780),
1338 };
1339
1340 static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1341 {
1342         int i;
1343
1344         if (!amdgpu_audio)
1345                 return 0;
1346
1347         adev->mode_info.audio.enabled = true;
1348
1349         switch (adev->asic_type) {
1350         case CHIP_TAHITI:
1351         case CHIP_PITCAIRN:
1352         case CHIP_VERDE:
1353         default:
1354                 adev->mode_info.audio.num_pins = 6;
1355                 break;
1356         case CHIP_OLAND:
1357                 adev->mode_info.audio.num_pins = 2;
1358                 break;
1359         }
1360
1361         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1362                 adev->mode_info.audio.pin[i].channels = -1;
1363                 adev->mode_info.audio.pin[i].rate = -1;
1364                 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1365                 adev->mode_info.audio.pin[i].status_bits = 0;
1366                 adev->mode_info.audio.pin[i].category_code = 0;
1367                 adev->mode_info.audio.pin[i].connected = false;
1368                 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1369                 adev->mode_info.audio.pin[i].id = i;
1370                 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1371         }
1372
1373         return 0;
1374 }
1375
1376 static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1377 {
1378         int i;
1379
1380         if (!amdgpu_audio)
1381                 return;
1382
1383         if (!adev->mode_info.audio.enabled)
1384                 return;
1385
1386         for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1387                 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1388
1389         adev->mode_info.audio.enabled = false;
1390 }
1391
1392 static void dce_v6_0_audio_set_vbi_packet(struct drm_encoder *encoder)
1393 {
1394         struct drm_device *dev = encoder->dev;
1395         struct amdgpu_device *adev = drm_to_adev(dev);
1396         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1397         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1398         u32 tmp;
1399
1400         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1401         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1402         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1);
1403         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1);
1404         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1405 }
1406
1407 static void dce_v6_0_audio_set_acr(struct drm_encoder *encoder,
1408                                    uint32_t clock, int bpc)
1409 {
1410         struct drm_device *dev = encoder->dev;
1411         struct amdgpu_device *adev = drm_to_adev(dev);
1412         struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1413         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1414         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1415         u32 tmp;
1416
1417         tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1418         tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1419         tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE,
1420                         bpc > 8 ? 0 : 1);
1421         WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1422
1423         tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1424         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1425         WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1426         tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1427         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1428         WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1429
1430         tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1431         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1432         WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1433         tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1434         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1435         WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1436
1437         tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1438         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1439         WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1440         tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1441         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1442         WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1443 }
1444
1445 static void dce_v6_0_audio_set_avi_infoframe(struct drm_encoder *encoder,
1446                                                struct drm_display_mode *mode)
1447 {
1448         struct drm_device *dev = encoder->dev;
1449         struct amdgpu_device *adev = drm_to_adev(dev);
1450         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1451         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1452         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1453         struct hdmi_avi_infoframe frame;
1454         u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1455         uint8_t *payload = buffer + 3;
1456         uint8_t *header = buffer;
1457         ssize_t err;
1458         u32 tmp;
1459
1460         err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1461         if (err < 0) {
1462                 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1463                 return;
1464         }
1465
1466         err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1467         if (err < 0) {
1468                 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1469                 return;
1470         }
1471
1472         WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1473                payload[0x0] | (payload[0x1] << 8) | (payload[0x2] << 16) | (payload[0x3] << 24));
1474         WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1475                payload[0x4] | (payload[0x5] << 8) | (payload[0x6] << 16) | (payload[0x7] << 24));
1476         WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1477                payload[0x8] | (payload[0x9] << 8) | (payload[0xA] << 16) | (payload[0xB] << 24));
1478         WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1479                payload[0xC] | (payload[0xD] << 8) | (header[1] << 24));
1480
1481         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1482         /* anything other than 0 */
1483         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1,
1484                         HDMI_AUDIO_INFO_LINE, 2);
1485         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1486 }
1487
1488 static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1489 {
1490         struct drm_device *dev = encoder->dev;
1491         struct amdgpu_device *adev = drm_to_adev(dev);
1492         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1493         int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1494         u32 tmp;
1495
1496         /*
1497          * Two dtos: generally use dto0 for hdmi, dto1 for dp.
1498          * Express [24MHz / target pixel clock] as an exact rational
1499          * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1500          * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1501          */
1502         tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1503         tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1504                         DCCG_AUDIO_DTO0_SOURCE_SEL, amdgpu_crtc->crtc_id);
1505         if (em == ATOM_ENCODER_MODE_HDMI) {
1506                 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1507                                 DCCG_AUDIO_DTO_SEL, 0);
1508         } else if (ENCODER_MODE_IS_DP(em)) {
1509                 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1510                                 DCCG_AUDIO_DTO_SEL, 1);
1511         }
1512         WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1513         if (em == ATOM_ENCODER_MODE_HDMI) {
1514                 WREG32(mmDCCG_AUDIO_DTO0_PHASE, 24000);
1515                 WREG32(mmDCCG_AUDIO_DTO0_MODULE, clock);
1516         } else if (ENCODER_MODE_IS_DP(em)) {
1517                 WREG32(mmDCCG_AUDIO_DTO1_PHASE, 24000);
1518                 WREG32(mmDCCG_AUDIO_DTO1_MODULE, clock);
1519         }
1520 }
1521
1522 static void dce_v6_0_audio_set_packet(struct drm_encoder *encoder)
1523 {
1524         struct drm_device *dev = encoder->dev;
1525         struct amdgpu_device *adev = drm_to_adev(dev);
1526         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1527         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1528         u32 tmp;
1529
1530         tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1531         tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1532         WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1533
1534         tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1535         tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1536         WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1537
1538         tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1539         tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1540         WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1541
1542         tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1543         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1544         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1545         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1546         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1547         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1548         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1549         WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1550
1551         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset);
1552         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, 0xff);
1553         WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, tmp);
1554
1555         tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1556         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1557         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1558         WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1559
1560         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1561         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_RESET_FIFO_WHEN_AUDIO_DIS, 1);
1562         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1563         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1564 }
1565
1566 static void dce_v6_0_audio_set_mute(struct drm_encoder *encoder, bool mute)
1567 {
1568         struct drm_device *dev = encoder->dev;
1569         struct amdgpu_device *adev = drm_to_adev(dev);
1570         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1571         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1572         u32 tmp;
1573
1574         tmp = RREG32(mmHDMI_GC + dig->afmt->offset);
1575         tmp = REG_SET_FIELD(tmp, HDMI_GC, HDMI_GC_AVMUTE, mute ? 1 : 0);
1576         WREG32(mmHDMI_GC + dig->afmt->offset, tmp);
1577 }
1578
1579 static void dce_v6_0_audio_hdmi_enable(struct drm_encoder *encoder, bool enable)
1580 {
1581         struct drm_device *dev = encoder->dev;
1582         struct amdgpu_device *adev = drm_to_adev(dev);
1583         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1584         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1585         u32 tmp;
1586
1587         if (enable) {
1588                 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1589                 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1590                 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1591                 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1592                 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1593                 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1594
1595                 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1596                 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1597                 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1598
1599                 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1600                 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1601                 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1602         } else {
1603                 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1604                 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 0);
1605                 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 0);
1606                 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 0);
1607                 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 0);
1608                 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1609
1610                 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1611                 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 0);
1612                 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1613         }
1614 }
1615
1616 static void dce_v6_0_audio_dp_enable(struct drm_encoder *encoder, bool enable)
1617 {
1618         struct drm_device *dev = encoder->dev;
1619         struct amdgpu_device *adev = drm_to_adev(dev);
1620         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1621         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1622         u32 tmp;
1623
1624         if (enable) {
1625                 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1626                 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1627                 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1628
1629                 tmp = RREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset);
1630                 tmp = REG_SET_FIELD(tmp, DP_SEC_TIMESTAMP, DP_SEC_TIMESTAMP_MODE, 1);
1631                 WREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset, tmp);
1632
1633                 tmp = RREG32(mmDP_SEC_CNTL + dig->afmt->offset);
1634                 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1635                 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ATP_ENABLE, 1);
1636                 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_AIP_ENABLE, 1);
1637                 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1638                 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, tmp);
1639         } else {
1640                 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, 0);
1641         }
1642 }
1643
1644 static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1645                                   struct drm_display_mode *mode)
1646 {
1647         struct drm_device *dev = encoder->dev;
1648         struct amdgpu_device *adev = drm_to_adev(dev);
1649         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1650         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1651         struct drm_connector *connector;
1652         struct drm_connector_list_iter iter;
1653         struct amdgpu_connector *amdgpu_connector = NULL;
1654         int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1655         int bpc = 8;
1656
1657         if (!dig || !dig->afmt)
1658                 return;
1659
1660         drm_connector_list_iter_begin(dev, &iter);
1661         drm_for_each_connector_iter(connector, &iter) {
1662                 if (connector->encoder == encoder) {
1663                         amdgpu_connector = to_amdgpu_connector(connector);
1664                         break;
1665                 }
1666         }
1667         drm_connector_list_iter_end(&iter);
1668
1669         if (!amdgpu_connector) {
1670                 DRM_ERROR("Couldn't find encoder's connector\n");
1671                 return;
1672         }
1673
1674         if (!dig->afmt->enabled)
1675                 return;
1676
1677         dig->afmt->pin = dce_v6_0_audio_get_pin(adev);
1678         if (!dig->afmt->pin)
1679                 return;
1680
1681         if (encoder->crtc) {
1682                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1683                 bpc = amdgpu_crtc->bpc;
1684         }
1685
1686         /* disable audio before setting up hw */
1687         dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1688
1689         dce_v6_0_audio_set_mute(encoder, true);
1690         dce_v6_0_audio_write_speaker_allocation(encoder);
1691         dce_v6_0_audio_write_sad_regs(encoder);
1692         dce_v6_0_audio_write_latency_fields(encoder, mode);
1693         if (em == ATOM_ENCODER_MODE_HDMI) {
1694                 dce_v6_0_audio_set_dto(encoder, mode->clock);
1695                 dce_v6_0_audio_set_vbi_packet(encoder);
1696                 dce_v6_0_audio_set_acr(encoder, mode->clock, bpc);
1697         } else if (ENCODER_MODE_IS_DP(em)) {
1698                 dce_v6_0_audio_set_dto(encoder, adev->clock.default_dispclk * 10);
1699         }
1700         dce_v6_0_audio_set_packet(encoder);
1701         dce_v6_0_audio_select_pin(encoder);
1702         dce_v6_0_audio_set_avi_infoframe(encoder, mode);
1703         dce_v6_0_audio_set_mute(encoder, false);
1704         if (em == ATOM_ENCODER_MODE_HDMI) {
1705                 dce_v6_0_audio_hdmi_enable(encoder, 1);
1706         } else if (ENCODER_MODE_IS_DP(em)) {
1707                 dce_v6_0_audio_dp_enable(encoder, 1);
1708         }
1709
1710         /* enable audio after setting up hw */
1711         dce_v6_0_audio_enable(adev, dig->afmt->pin, true);
1712 }
1713
1714 static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1715 {
1716         struct drm_device *dev = encoder->dev;
1717         struct amdgpu_device *adev = drm_to_adev(dev);
1718         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1719         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1720
1721         if (!dig || !dig->afmt)
1722                 return;
1723
1724         /* Silent, r600_hdmi_enable will raise WARN for us */
1725         if (enable && dig->afmt->enabled)
1726                 return;
1727
1728         if (!enable && !dig->afmt->enabled)
1729                 return;
1730
1731         if (!enable && dig->afmt->pin) {
1732                 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1733                 dig->afmt->pin = NULL;
1734         }
1735
1736         dig->afmt->enabled = enable;
1737
1738         DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1739                   enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1740 }
1741
1742 static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1743 {
1744         int i, j;
1745
1746         for (i = 0; i < adev->mode_info.num_dig; i++)
1747                 adev->mode_info.afmt[i] = NULL;
1748
1749         /* DCE6 has audio blocks tied to DIG encoders */
1750         for (i = 0; i < adev->mode_info.num_dig; i++) {
1751                 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1752                 if (adev->mode_info.afmt[i]) {
1753                         adev->mode_info.afmt[i]->offset = dig_offsets[i];
1754                         adev->mode_info.afmt[i]->id = i;
1755                 } else {
1756                         for (j = 0; j < i; j++) {
1757                                 kfree(adev->mode_info.afmt[j]);
1758                                 adev->mode_info.afmt[j] = NULL;
1759                         }
1760                         DRM_ERROR("Out of memory allocating afmt table\n");
1761                         return -ENOMEM;
1762                 }
1763         }
1764         return 0;
1765 }
1766
1767 static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1768 {
1769         int i;
1770
1771         for (i = 0; i < adev->mode_info.num_dig; i++) {
1772                 kfree(adev->mode_info.afmt[i]);
1773                 adev->mode_info.afmt[i] = NULL;
1774         }
1775 }
1776
1777 static const u32 vga_control_regs[6] =
1778 {
1779         mmD1VGA_CONTROL,
1780         mmD2VGA_CONTROL,
1781         mmD3VGA_CONTROL,
1782         mmD4VGA_CONTROL,
1783         mmD5VGA_CONTROL,
1784         mmD6VGA_CONTROL,
1785 };
1786
1787 static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1788 {
1789         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1790         struct drm_device *dev = crtc->dev;
1791         struct amdgpu_device *adev = drm_to_adev(dev);
1792         u32 vga_control;
1793
1794         vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1795         WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1796 }
1797
1798 static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1799 {
1800         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1801         struct drm_device *dev = crtc->dev;
1802         struct amdgpu_device *adev = drm_to_adev(dev);
1803
1804         WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1805 }
1806
1807 static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1808                                      struct drm_framebuffer *fb,
1809                                      int x, int y, int atomic)
1810 {
1811         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1812         struct drm_device *dev = crtc->dev;
1813         struct amdgpu_device *adev = drm_to_adev(dev);
1814         struct drm_framebuffer *target_fb;
1815         struct drm_gem_object *obj;
1816         struct amdgpu_bo *abo;
1817         uint64_t fb_location, tiling_flags;
1818         uint32_t fb_format, fb_pitch_pixels, pipe_config;
1819         u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1820         u32 viewport_w, viewport_h;
1821         int r;
1822         bool bypass_lut = false;
1823
1824         /* no fb bound */
1825         if (!atomic && !crtc->primary->fb) {
1826                 DRM_DEBUG_KMS("No FB bound\n");
1827                 return 0;
1828         }
1829
1830         if (atomic)
1831                 target_fb = fb;
1832         else
1833                 target_fb = crtc->primary->fb;
1834
1835         /* If atomic, assume fb object is pinned & idle & fenced and
1836          * just update base pointers
1837          */
1838         obj = target_fb->obj[0];
1839         abo = gem_to_amdgpu_bo(obj);
1840         r = amdgpu_bo_reserve(abo, false);
1841         if (unlikely(r != 0))
1842                 return r;
1843
1844         if (!atomic) {
1845                 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1846                 if (unlikely(r != 0)) {
1847                         amdgpu_bo_unreserve(abo);
1848                         return -EINVAL;
1849                 }
1850         }
1851         fb_location = amdgpu_bo_gpu_offset(abo);
1852
1853         amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1854         amdgpu_bo_unreserve(abo);
1855
1856         switch (target_fb->format->format) {
1857         case DRM_FORMAT_C8:
1858                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1859                              GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1860                 break;
1861         case DRM_FORMAT_XRGB4444:
1862         case DRM_FORMAT_ARGB4444:
1863                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1864                              GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1865 #ifdef __BIG_ENDIAN
1866                 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1867 #endif
1868                 break;
1869         case DRM_FORMAT_XRGB1555:
1870         case DRM_FORMAT_ARGB1555:
1871                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1872                              GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1873 #ifdef __BIG_ENDIAN
1874                 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1875 #endif
1876                 break;
1877         case DRM_FORMAT_BGRX5551:
1878         case DRM_FORMAT_BGRA5551:
1879                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1880                              GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1881 #ifdef __BIG_ENDIAN
1882                 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1883 #endif
1884                 break;
1885         case DRM_FORMAT_RGB565:
1886                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1887                              GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1888 #ifdef __BIG_ENDIAN
1889                 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1890 #endif
1891                 break;
1892         case DRM_FORMAT_XRGB8888:
1893         case DRM_FORMAT_ARGB8888:
1894                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1895                              GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1896 #ifdef __BIG_ENDIAN
1897                 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1898 #endif
1899                 break;
1900         case DRM_FORMAT_XRGB2101010:
1901         case DRM_FORMAT_ARGB2101010:
1902                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1903                              GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1904 #ifdef __BIG_ENDIAN
1905                 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1906 #endif
1907                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1908                 bypass_lut = true;
1909                 break;
1910         case DRM_FORMAT_BGRX1010102:
1911         case DRM_FORMAT_BGRA1010102:
1912                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1913                              GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1914 #ifdef __BIG_ENDIAN
1915                 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1916 #endif
1917                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1918                 bypass_lut = true;
1919                 break;
1920         case DRM_FORMAT_XBGR8888:
1921         case DRM_FORMAT_ABGR8888:
1922                 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1923                              GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1924                 fb_swap = (GRPH_RED_CROSSBAR(GRPH_RED_SEL_B) |
1925                            GRPH_BLUE_CROSSBAR(GRPH_BLUE_SEL_R));
1926 #ifdef __BIG_ENDIAN
1927                 fb_swap |= GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1928 #endif
1929                 break;
1930         default:
1931                 DRM_ERROR("Unsupported screen format %p4cc\n",
1932                           &target_fb->format->format);
1933                 return -EINVAL;
1934         }
1935
1936         if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1937                 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1938
1939                 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1940                 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1941                 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1942                 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1943                 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1944
1945                 fb_format |= GRPH_NUM_BANKS(num_banks);
1946                 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1947                 fb_format |= GRPH_TILE_SPLIT(tile_split);
1948                 fb_format |= GRPH_BANK_WIDTH(bankw);
1949                 fb_format |= GRPH_BANK_HEIGHT(bankh);
1950                 fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1951         } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1952                 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1953         }
1954
1955         pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1956         fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1957
1958         dce_v6_0_vga_enable(crtc, false);
1959
1960         /* Make sure surface address is updated at vertical blank rather than
1961          * horizontal blank
1962          */
1963         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1964
1965         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1966                upper_32_bits(fb_location));
1967         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1968                upper_32_bits(fb_location));
1969         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1970                (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1971         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1972                (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1973         WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1974         WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1975
1976         /*
1977          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1978          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1979          * retain the full precision throughout the pipeline.
1980          */
1981         WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
1982                  (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
1983                  ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
1984
1985         if (bypass_lut)
1986                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1987
1988         WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
1989         WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
1990         WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
1991         WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
1992         WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
1993         WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
1994
1995         fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
1996         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
1997
1998         dce_v6_0_grph_enable(crtc, true);
1999
2000         WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2001                        target_fb->height);
2002         x &= ~3;
2003         y &= ~1;
2004         WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2005                (x << 16) | y);
2006         viewport_w = crtc->mode.hdisplay;
2007         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2008
2009         WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2010                (viewport_w << 16) | viewport_h);
2011
2012         /* set pageflip to happen anywhere in vblank interval */
2013         WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2014
2015         if (!atomic && fb && fb != crtc->primary->fb) {
2016                 abo = gem_to_amdgpu_bo(fb->obj[0]);
2017                 r = amdgpu_bo_reserve(abo, true);
2018                 if (unlikely(r != 0))
2019                         return r;
2020                 amdgpu_bo_unpin(abo);
2021                 amdgpu_bo_unreserve(abo);
2022         }
2023
2024         /* Bytes per pixel may have changed */
2025         dce_v6_0_bandwidth_update(adev);
2026
2027         return 0;
2028
2029 }
2030
2031 static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
2032                                     struct drm_display_mode *mode)
2033 {
2034         struct drm_device *dev = crtc->dev;
2035         struct amdgpu_device *adev = drm_to_adev(dev);
2036         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2037
2038         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2039                 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
2040                        INTERLEAVE_EN);
2041         else
2042                 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2043 }
2044
2045 static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
2046 {
2047
2048         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2049         struct drm_device *dev = crtc->dev;
2050         struct amdgpu_device *adev = drm_to_adev(dev);
2051         u16 *r, *g, *b;
2052         int i;
2053
2054         DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2055
2056         WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2057                ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2058                 (0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2059         WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2060                PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2061         WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2062                PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2063         WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2064                ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2065                 (0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2066
2067         WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2068
2069         WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2070         WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2071         WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2072
2073         WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2074         WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2075         WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2076
2077         WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2078         WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2079
2080         WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2081         r = crtc->gamma_store;
2082         g = r + crtc->gamma_size;
2083         b = g + crtc->gamma_size;
2084         for (i = 0; i < 256; i++) {
2085                 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2086                        ((*r++ & 0xffc0) << 14) |
2087                        ((*g++ & 0xffc0) << 4) |
2088                        (*b++ >> 6));
2089         }
2090
2091         WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2092                ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2093                 (0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2094                 ICON_DEGAMMA_MODE(0) |
2095                 (0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2096         WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2097                ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2098                 (0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2099         WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2100                ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2101                 (0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2102         WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2103                ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2104                 (0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2105         /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2106         WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2107
2108
2109 }
2110
2111 static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
2112 {
2113         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2114         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2115
2116         switch (amdgpu_encoder->encoder_id) {
2117         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2118                 return dig->linkb ? 1 : 0;
2119         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2120                 return dig->linkb ? 3 : 2;
2121         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2122                 return dig->linkb ? 5 : 4;
2123         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2124                 return 6;
2125         default:
2126                 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2127                 return 0;
2128         }
2129 }
2130
2131 /**
2132  * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
2133  *
2134  * @crtc: drm crtc
2135  *
2136  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2137  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2138  * monitors a dedicated PPLL must be used.  If a particular board has
2139  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2140  * as there is no need to program the PLL itself.  If we are not able to
2141  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2142  * avoid messing up an existing monitor.
2143  *
2144  *
2145  */
2146 static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
2147 {
2148         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2149         struct drm_device *dev = crtc->dev;
2150         struct amdgpu_device *adev = drm_to_adev(dev);
2151         u32 pll_in_use;
2152         int pll;
2153
2154         if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2155                 if (adev->clock.dp_extclk)
2156                         /* skip PPLL programming if using ext clock */
2157                         return ATOM_PPLL_INVALID;
2158                 else
2159                         return ATOM_PPLL0;
2160         } else {
2161                 /* use the same PPLL for all monitors with the same clock */
2162                 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2163                 if (pll != ATOM_PPLL_INVALID)
2164                         return pll;
2165         }
2166
2167         /*  PPLL1, and PPLL2 */
2168         pll_in_use = amdgpu_pll_get_use_mask(crtc);
2169         if (!(pll_in_use & (1 << ATOM_PPLL2)))
2170                 return ATOM_PPLL2;
2171         if (!(pll_in_use & (1 << ATOM_PPLL1)))
2172                 return ATOM_PPLL1;
2173         DRM_ERROR("unable to allocate a PPLL\n");
2174         return ATOM_PPLL_INVALID;
2175 }
2176
2177 static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2178 {
2179         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2180         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2181         uint32_t cur_lock;
2182
2183         cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2184         if (lock)
2185                 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2186         else
2187                 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2188         WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2189 }
2190
2191 static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
2192 {
2193         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2194         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2195
2196         WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2197                (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2198                (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2199
2200
2201 }
2202
2203 static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
2204 {
2205         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2206         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2207
2208         WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2209                upper_32_bits(amdgpu_crtc->cursor_addr));
2210         WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2211                lower_32_bits(amdgpu_crtc->cursor_addr));
2212
2213         WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2214                CUR_CONTROL__CURSOR_EN_MASK |
2215                (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2216                (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2217
2218 }
2219
2220 static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
2221                                        int x, int y)
2222 {
2223         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2224         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2225         int xorigin = 0, yorigin = 0;
2226
2227         int w = amdgpu_crtc->cursor_width;
2228
2229         amdgpu_crtc->cursor_x = x;
2230         amdgpu_crtc->cursor_y = y;
2231
2232         /* avivo cursor are offset into the total surface */
2233         x += crtc->x;
2234         y += crtc->y;
2235         DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2236
2237         if (x < 0) {
2238                 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2239                 x = 0;
2240         }
2241         if (y < 0) {
2242                 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2243                 y = 0;
2244         }
2245
2246         WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2247         WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2248         WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2249                ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2250
2251         return 0;
2252 }
2253
2254 static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
2255                                      int x, int y)
2256 {
2257         int ret;
2258
2259         dce_v6_0_lock_cursor(crtc, true);
2260         ret = dce_v6_0_cursor_move_locked(crtc, x, y);
2261         dce_v6_0_lock_cursor(crtc, false);
2262
2263         return ret;
2264 }
2265
2266 static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
2267                                      struct drm_file *file_priv,
2268                                      uint32_t handle,
2269                                      uint32_t width,
2270                                      uint32_t height,
2271                                      int32_t hot_x,
2272                                      int32_t hot_y)
2273 {
2274         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2275         struct drm_gem_object *obj;
2276         struct amdgpu_bo *aobj;
2277         int ret;
2278
2279         if (!handle) {
2280                 /* turn off cursor */
2281                 dce_v6_0_hide_cursor(crtc);
2282                 obj = NULL;
2283                 goto unpin;
2284         }
2285
2286         if ((width > amdgpu_crtc->max_cursor_width) ||
2287             (height > amdgpu_crtc->max_cursor_height)) {
2288                 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2289                 return -EINVAL;
2290         }
2291
2292         obj = drm_gem_object_lookup(file_priv, handle);
2293         if (!obj) {
2294                 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2295                 return -ENOENT;
2296         }
2297
2298         aobj = gem_to_amdgpu_bo(obj);
2299         ret = amdgpu_bo_reserve(aobj, false);
2300         if (ret != 0) {
2301                 drm_gem_object_put(obj);
2302                 return ret;
2303         }
2304
2305         ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2306         amdgpu_bo_unreserve(aobj);
2307         if (ret) {
2308                 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2309                 drm_gem_object_put(obj);
2310                 return ret;
2311         }
2312         amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2313
2314         dce_v6_0_lock_cursor(crtc, true);
2315
2316         if (width != amdgpu_crtc->cursor_width ||
2317             height != amdgpu_crtc->cursor_height ||
2318             hot_x != amdgpu_crtc->cursor_hot_x ||
2319             hot_y != amdgpu_crtc->cursor_hot_y) {
2320                 int x, y;
2321
2322                 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2323                 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2324
2325                 dce_v6_0_cursor_move_locked(crtc, x, y);
2326
2327                 amdgpu_crtc->cursor_width = width;
2328                 amdgpu_crtc->cursor_height = height;
2329                 amdgpu_crtc->cursor_hot_x = hot_x;
2330                 amdgpu_crtc->cursor_hot_y = hot_y;
2331         }
2332
2333         dce_v6_0_show_cursor(crtc);
2334         dce_v6_0_lock_cursor(crtc, false);
2335
2336 unpin:
2337         if (amdgpu_crtc->cursor_bo) {
2338                 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2339                 ret = amdgpu_bo_reserve(aobj, true);
2340                 if (likely(ret == 0)) {
2341                         amdgpu_bo_unpin(aobj);
2342                         amdgpu_bo_unreserve(aobj);
2343                 }
2344                 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2345         }
2346
2347         amdgpu_crtc->cursor_bo = obj;
2348         return 0;
2349 }
2350
2351 static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
2352 {
2353         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2354
2355         if (amdgpu_crtc->cursor_bo) {
2356                 dce_v6_0_lock_cursor(crtc, true);
2357
2358                 dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2359                                             amdgpu_crtc->cursor_y);
2360
2361                 dce_v6_0_show_cursor(crtc);
2362                 dce_v6_0_lock_cursor(crtc, false);
2363         }
2364 }
2365
2366 static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2367                                    u16 *blue, uint32_t size,
2368                                    struct drm_modeset_acquire_ctx *ctx)
2369 {
2370         dce_v6_0_crtc_load_lut(crtc);
2371
2372         return 0;
2373 }
2374
2375 static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2376 {
2377         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2378
2379         drm_crtc_cleanup(crtc);
2380         kfree(amdgpu_crtc);
2381 }
2382
2383 static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2384         .cursor_set2 = dce_v6_0_crtc_cursor_set2,
2385         .cursor_move = dce_v6_0_crtc_cursor_move,
2386         .gamma_set = dce_v6_0_crtc_gamma_set,
2387         .set_config = amdgpu_display_crtc_set_config,
2388         .destroy = dce_v6_0_crtc_destroy,
2389         .page_flip_target = amdgpu_display_crtc_page_flip_target,
2390         .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2391         .enable_vblank = amdgpu_enable_vblank_kms,
2392         .disable_vblank = amdgpu_disable_vblank_kms,
2393         .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2394 };
2395
2396 static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2397 {
2398         struct drm_device *dev = crtc->dev;
2399         struct amdgpu_device *adev = drm_to_adev(dev);
2400         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2401         unsigned type;
2402
2403         switch (mode) {
2404         case DRM_MODE_DPMS_ON:
2405                 amdgpu_crtc->enabled = true;
2406                 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2407                 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2408                 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2409                 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2410                                                 amdgpu_crtc->crtc_id);
2411                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2412                 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2413                 drm_crtc_vblank_on(crtc);
2414                 dce_v6_0_crtc_load_lut(crtc);
2415                 break;
2416         case DRM_MODE_DPMS_STANDBY:
2417         case DRM_MODE_DPMS_SUSPEND:
2418         case DRM_MODE_DPMS_OFF:
2419                 drm_crtc_vblank_off(crtc);
2420                 if (amdgpu_crtc->enabled)
2421                         amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2422                 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2423                 amdgpu_crtc->enabled = false;
2424                 break;
2425         }
2426         /* adjust pm to dpms */
2427         amdgpu_dpm_compute_clocks(adev);
2428 }
2429
2430 static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2431 {
2432         /* disable crtc pair power gating before programming */
2433         amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2434         amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2435         dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2436 }
2437
2438 static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2439 {
2440         dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2441         amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2442 }
2443
2444 static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2445 {
2446
2447         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2448         struct drm_device *dev = crtc->dev;
2449         struct amdgpu_device *adev = drm_to_adev(dev);
2450         struct amdgpu_atom_ss ss;
2451         int i;
2452
2453         dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2454         if (crtc->primary->fb) {
2455                 int r;
2456                 struct amdgpu_bo *abo;
2457
2458                 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2459                 r = amdgpu_bo_reserve(abo, true);
2460                 if (unlikely(r))
2461                         DRM_ERROR("failed to reserve abo before unpin\n");
2462                 else {
2463                         amdgpu_bo_unpin(abo);
2464                         amdgpu_bo_unreserve(abo);
2465                 }
2466         }
2467         /* disable the GRPH */
2468         dce_v6_0_grph_enable(crtc, false);
2469
2470         amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2471
2472         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2473                 if (adev->mode_info.crtcs[i] &&
2474                     adev->mode_info.crtcs[i]->enabled &&
2475                     i != amdgpu_crtc->crtc_id &&
2476                     amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2477                         /* one other crtc is using this pll don't turn
2478                          * off the pll
2479                          */
2480                         goto done;
2481                 }
2482         }
2483
2484         switch (amdgpu_crtc->pll_id) {
2485         case ATOM_PPLL1:
2486         case ATOM_PPLL2:
2487                 /* disable the ppll */
2488                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2489                                                  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2490                 break;
2491         default:
2492                 break;
2493         }
2494 done:
2495         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2496         amdgpu_crtc->adjusted_clock = 0;
2497         amdgpu_crtc->encoder = NULL;
2498         amdgpu_crtc->connector = NULL;
2499 }
2500
2501 static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2502                                   struct drm_display_mode *mode,
2503                                   struct drm_display_mode *adjusted_mode,
2504                                   int x, int y, struct drm_framebuffer *old_fb)
2505 {
2506         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2507
2508         if (!amdgpu_crtc->adjusted_clock)
2509                 return -EINVAL;
2510
2511         amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2512         amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2513         dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2514         amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2515         amdgpu_atombios_crtc_scaler_setup(crtc);
2516         dce_v6_0_cursor_reset(crtc);
2517         /* update the hw version fpr dpm */
2518         amdgpu_crtc->hw_mode = *adjusted_mode;
2519
2520         return 0;
2521 }
2522
2523 static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2524                                      const struct drm_display_mode *mode,
2525                                      struct drm_display_mode *adjusted_mode)
2526 {
2527
2528         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2529         struct drm_device *dev = crtc->dev;
2530         struct drm_encoder *encoder;
2531
2532         /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2533         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2534                 if (encoder->crtc == crtc) {
2535                         amdgpu_crtc->encoder = encoder;
2536                         amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2537                         break;
2538                 }
2539         }
2540         if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2541                 amdgpu_crtc->encoder = NULL;
2542                 amdgpu_crtc->connector = NULL;
2543                 return false;
2544         }
2545         if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2546                 return false;
2547         if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2548                 return false;
2549         /* pick pll */
2550         amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2551         /* if we can't get a PPLL for a non-DP encoder, fail */
2552         if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2553             !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2554                 return false;
2555
2556         return true;
2557 }
2558
2559 static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2560                                   struct drm_framebuffer *old_fb)
2561 {
2562         return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2563 }
2564
2565 static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2566                                          struct drm_framebuffer *fb,
2567                                          int x, int y, enum mode_set_atomic state)
2568 {
2569         return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2570 }
2571
2572 static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2573         .dpms = dce_v6_0_crtc_dpms,
2574         .mode_fixup = dce_v6_0_crtc_mode_fixup,
2575         .mode_set = dce_v6_0_crtc_mode_set,
2576         .mode_set_base = dce_v6_0_crtc_set_base,
2577         .mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2578         .prepare = dce_v6_0_crtc_prepare,
2579         .commit = dce_v6_0_crtc_commit,
2580         .disable = dce_v6_0_crtc_disable,
2581         .get_scanout_position = amdgpu_crtc_get_scanout_position,
2582 };
2583
2584 static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2585 {
2586         struct amdgpu_crtc *amdgpu_crtc;
2587
2588         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2589                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2590         if (amdgpu_crtc == NULL)
2591                 return -ENOMEM;
2592
2593         drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2594
2595         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2596         amdgpu_crtc->crtc_id = index;
2597         adev->mode_info.crtcs[index] = amdgpu_crtc;
2598
2599         amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2600         amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2601         adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2602         adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2603
2604         amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2605
2606         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2607         amdgpu_crtc->adjusted_clock = 0;
2608         amdgpu_crtc->encoder = NULL;
2609         amdgpu_crtc->connector = NULL;
2610         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2611
2612         return 0;
2613 }
2614
2615 static int dce_v6_0_early_init(void *handle)
2616 {
2617         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2618
2619         adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2620         adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2621
2622         dce_v6_0_set_display_funcs(adev);
2623
2624         adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2625
2626         switch (adev->asic_type) {
2627         case CHIP_TAHITI:
2628         case CHIP_PITCAIRN:
2629         case CHIP_VERDE:
2630                 adev->mode_info.num_hpd = 6;
2631                 adev->mode_info.num_dig = 6;
2632                 break;
2633         case CHIP_OLAND:
2634                 adev->mode_info.num_hpd = 2;
2635                 adev->mode_info.num_dig = 2;
2636                 break;
2637         default:
2638                 return -EINVAL;
2639         }
2640
2641         dce_v6_0_set_irq_funcs(adev);
2642
2643         return 0;
2644 }
2645
2646 static int dce_v6_0_sw_init(void *handle)
2647 {
2648         int r, i;
2649         bool ret;
2650         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2651
2652         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2653                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2654                 if (r)
2655                         return r;
2656         }
2657
2658         for (i = 8; i < 20; i += 2) {
2659                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2660                 if (r)
2661                         return r;
2662         }
2663
2664         /* HPD hotplug */
2665         r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2666         if (r)
2667                 return r;
2668
2669         adev->mode_info.mode_config_initialized = true;
2670
2671         adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2672         adev_to_drm(adev)->mode_config.async_page_flip = true;
2673         adev_to_drm(adev)->mode_config.max_width = 16384;
2674         adev_to_drm(adev)->mode_config.max_height = 16384;
2675         adev_to_drm(adev)->mode_config.preferred_depth = 24;
2676         adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2677         adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2678         adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
2679
2680         r = amdgpu_display_modeset_create_props(adev);
2681         if (r)
2682                 return r;
2683
2684         adev_to_drm(adev)->mode_config.max_width = 16384;
2685         adev_to_drm(adev)->mode_config.max_height = 16384;
2686
2687         /* allocate crtcs */
2688         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2689                 r = dce_v6_0_crtc_init(adev, i);
2690                 if (r)
2691                         return r;
2692         }
2693
2694         ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2695         if (ret)
2696                 amdgpu_display_print_display_setup(adev_to_drm(adev));
2697         else
2698                 return -EINVAL;
2699
2700         /* setup afmt */
2701         r = dce_v6_0_afmt_init(adev);
2702         if (r)
2703                 return r;
2704
2705         r = dce_v6_0_audio_init(adev);
2706         if (r)
2707                 return r;
2708
2709         drm_kms_helper_poll_init(adev_to_drm(adev));
2710
2711         return r;
2712 }
2713
2714 static int dce_v6_0_sw_fini(void *handle)
2715 {
2716         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2717
2718         kfree(adev->mode_info.bios_hardcoded_edid);
2719
2720         drm_kms_helper_poll_fini(adev_to_drm(adev));
2721
2722         dce_v6_0_audio_fini(adev);
2723         dce_v6_0_afmt_fini(adev);
2724
2725         drm_mode_config_cleanup(adev_to_drm(adev));
2726         adev->mode_info.mode_config_initialized = false;
2727
2728         return 0;
2729 }
2730
2731 static int dce_v6_0_hw_init(void *handle)
2732 {
2733         int i;
2734         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2735
2736         /* disable vga render */
2737         dce_v6_0_set_vga_render_state(adev, false);
2738         /* init dig PHYs, disp eng pll */
2739         amdgpu_atombios_encoder_init_dig(adev);
2740         amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2741
2742         /* initialize hpd */
2743         dce_v6_0_hpd_init(adev);
2744
2745         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2746                 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2747         }
2748
2749         dce_v6_0_pageflip_interrupt_init(adev);
2750
2751         return 0;
2752 }
2753
2754 static int dce_v6_0_hw_fini(void *handle)
2755 {
2756         int i;
2757         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2758
2759         dce_v6_0_hpd_fini(adev);
2760
2761         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2762                 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2763         }
2764
2765         dce_v6_0_pageflip_interrupt_fini(adev);
2766
2767         return 0;
2768 }
2769
2770 static int dce_v6_0_suspend(void *handle)
2771 {
2772         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2773         int r;
2774
2775         r = amdgpu_display_suspend_helper(adev);
2776         if (r)
2777                 return r;
2778         adev->mode_info.bl_level =
2779                 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2780
2781         return dce_v6_0_hw_fini(handle);
2782 }
2783
2784 static int dce_v6_0_resume(void *handle)
2785 {
2786         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2787         int ret;
2788
2789         amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2790                                                            adev->mode_info.bl_level);
2791
2792         ret = dce_v6_0_hw_init(handle);
2793
2794         /* turn on the BL */
2795         if (adev->mode_info.bl_encoder) {
2796                 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2797                                                                   adev->mode_info.bl_encoder);
2798                 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2799                                                     bl_level);
2800         }
2801         if (ret)
2802                 return ret;
2803
2804         return amdgpu_display_resume_helper(adev);
2805 }
2806
2807 static bool dce_v6_0_is_idle(void *handle)
2808 {
2809         return true;
2810 }
2811
2812 static int dce_v6_0_wait_for_idle(void *handle)
2813 {
2814         return 0;
2815 }
2816
2817 static int dce_v6_0_soft_reset(void *handle)
2818 {
2819         DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2820         return 0;
2821 }
2822
2823 static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2824                                                      int crtc,
2825                                                      enum amdgpu_interrupt_state state)
2826 {
2827         u32 reg_block, interrupt_mask;
2828
2829         if (crtc >= adev->mode_info.num_crtc) {
2830                 DRM_DEBUG("invalid crtc %d\n", crtc);
2831                 return;
2832         }
2833
2834         switch (crtc) {
2835         case 0:
2836                 reg_block = SI_CRTC0_REGISTER_OFFSET;
2837                 break;
2838         case 1:
2839                 reg_block = SI_CRTC1_REGISTER_OFFSET;
2840                 break;
2841         case 2:
2842                 reg_block = SI_CRTC2_REGISTER_OFFSET;
2843                 break;
2844         case 3:
2845                 reg_block = SI_CRTC3_REGISTER_OFFSET;
2846                 break;
2847         case 4:
2848                 reg_block = SI_CRTC4_REGISTER_OFFSET;
2849                 break;
2850         case 5:
2851                 reg_block = SI_CRTC5_REGISTER_OFFSET;
2852                 break;
2853         default:
2854                 DRM_DEBUG("invalid crtc %d\n", crtc);
2855                 return;
2856         }
2857
2858         switch (state) {
2859         case AMDGPU_IRQ_STATE_DISABLE:
2860                 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2861                 interrupt_mask &= ~VBLANK_INT_MASK;
2862                 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2863                 break;
2864         case AMDGPU_IRQ_STATE_ENABLE:
2865                 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2866                 interrupt_mask |= VBLANK_INT_MASK;
2867                 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2868                 break;
2869         default:
2870                 break;
2871         }
2872 }
2873
2874 static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2875                                                     int crtc,
2876                                                     enum amdgpu_interrupt_state state)
2877 {
2878
2879 }
2880
2881 static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2882                                             struct amdgpu_irq_src *src,
2883                                             unsigned type,
2884                                             enum amdgpu_interrupt_state state)
2885 {
2886         u32 dc_hpd_int_cntl;
2887
2888         if (type >= adev->mode_info.num_hpd) {
2889                 DRM_DEBUG("invalid hdp %d\n", type);
2890                 return 0;
2891         }
2892
2893         switch (state) {
2894         case AMDGPU_IRQ_STATE_DISABLE:
2895                 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2896                 dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2897                 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2898                 break;
2899         case AMDGPU_IRQ_STATE_ENABLE:
2900                 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2901                 dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2902                 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2903                 break;
2904         default:
2905                 break;
2906         }
2907
2908         return 0;
2909 }
2910
2911 static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2912                                              struct amdgpu_irq_src *src,
2913                                              unsigned type,
2914                                              enum amdgpu_interrupt_state state)
2915 {
2916         switch (type) {
2917         case AMDGPU_CRTC_IRQ_VBLANK1:
2918                 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2919                 break;
2920         case AMDGPU_CRTC_IRQ_VBLANK2:
2921                 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2922                 break;
2923         case AMDGPU_CRTC_IRQ_VBLANK3:
2924                 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2925                 break;
2926         case AMDGPU_CRTC_IRQ_VBLANK4:
2927                 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2928                 break;
2929         case AMDGPU_CRTC_IRQ_VBLANK5:
2930                 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2931                 break;
2932         case AMDGPU_CRTC_IRQ_VBLANK6:
2933                 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2934                 break;
2935         case AMDGPU_CRTC_IRQ_VLINE1:
2936                 dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2937                 break;
2938         case AMDGPU_CRTC_IRQ_VLINE2:
2939                 dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2940                 break;
2941         case AMDGPU_CRTC_IRQ_VLINE3:
2942                 dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2943                 break;
2944         case AMDGPU_CRTC_IRQ_VLINE4:
2945                 dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2946                 break;
2947         case AMDGPU_CRTC_IRQ_VLINE5:
2948                 dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2949                 break;
2950         case AMDGPU_CRTC_IRQ_VLINE6:
2951                 dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2952                 break;
2953         default:
2954                 break;
2955         }
2956         return 0;
2957 }
2958
2959 static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2960                              struct amdgpu_irq_src *source,
2961                              struct amdgpu_iv_entry *entry)
2962 {
2963         unsigned crtc = entry->src_id - 1;
2964         uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2965         unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
2966                                                                     crtc);
2967
2968         switch (entry->src_data[0]) {
2969         case 0: /* vblank */
2970                 if (disp_int & interrupt_status_offsets[crtc].vblank)
2971                         WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
2972                 else
2973                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2974
2975                 if (amdgpu_irq_enabled(adev, source, irq_type)) {
2976                         drm_handle_vblank(adev_to_drm(adev), crtc);
2977                 }
2978                 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
2979                 break;
2980         case 1: /* vline */
2981                 if (disp_int & interrupt_status_offsets[crtc].vline)
2982                         WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
2983                 else
2984                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2985
2986                 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
2987                 break;
2988         default:
2989                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
2990                 break;
2991         }
2992
2993         return 0;
2994 }
2995
2996 static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
2997                                                  struct amdgpu_irq_src *src,
2998                                                  unsigned type,
2999                                                  enum amdgpu_interrupt_state state)
3000 {
3001         u32 reg;
3002
3003         if (type >= adev->mode_info.num_crtc) {
3004                 DRM_ERROR("invalid pageflip crtc %d\n", type);
3005                 return -EINVAL;
3006         }
3007
3008         reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3009         if (state == AMDGPU_IRQ_STATE_DISABLE)
3010                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3011                        reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3012         else
3013                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3014                        reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3015
3016         return 0;
3017 }
3018
3019 static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
3020                                  struct amdgpu_irq_src *source,
3021                                  struct amdgpu_iv_entry *entry)
3022 {
3023         unsigned long flags;
3024         unsigned crtc_id;
3025         struct amdgpu_crtc *amdgpu_crtc;
3026         struct amdgpu_flip_work *works;
3027
3028         crtc_id = (entry->src_id - 8) >> 1;
3029         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3030
3031         if (crtc_id >= adev->mode_info.num_crtc) {
3032                 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3033                 return -EINVAL;
3034         }
3035
3036         if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3037             GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3038                 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3039                        GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3040
3041         /* IRQ could occur when in initial stage */
3042         if (amdgpu_crtc == NULL)
3043                 return 0;
3044
3045         spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3046         works = amdgpu_crtc->pflip_works;
3047         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3048                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3049                                                 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3050                                                 amdgpu_crtc->pflip_status,
3051                                                 AMDGPU_FLIP_SUBMITTED);
3052                 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3053                 return 0;
3054         }
3055
3056         /* page flip completed. clean up */
3057         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3058         amdgpu_crtc->pflip_works = NULL;
3059
3060         /* wakeup usersapce */
3061         if (works->event)
3062                 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3063
3064         spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3065
3066         drm_crtc_vblank_put(&amdgpu_crtc->base);
3067         schedule_work(&works->unpin_work);
3068
3069         return 0;
3070 }
3071
3072 static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
3073                             struct amdgpu_irq_src *source,
3074                             struct amdgpu_iv_entry *entry)
3075 {
3076         uint32_t disp_int, mask, tmp;
3077         unsigned hpd;
3078
3079         if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3080                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3081                 return 0;
3082         }
3083
3084         hpd = entry->src_data[0];
3085         disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3086         mask = interrupt_status_offsets[hpd].hpd;
3087
3088         if (disp_int & mask) {
3089                 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
3090                 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
3091                 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
3092                 schedule_work(&adev->hotplug_work);
3093                 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3094         }
3095
3096         return 0;
3097
3098 }
3099
3100 static int dce_v6_0_set_clockgating_state(void *handle,
3101                                           enum amd_clockgating_state state)
3102 {
3103         return 0;
3104 }
3105
3106 static int dce_v6_0_set_powergating_state(void *handle,
3107                                           enum amd_powergating_state state)
3108 {
3109         return 0;
3110 }
3111
3112 static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
3113         .name = "dce_v6_0",
3114         .early_init = dce_v6_0_early_init,
3115         .late_init = NULL,
3116         .sw_init = dce_v6_0_sw_init,
3117         .sw_fini = dce_v6_0_sw_fini,
3118         .hw_init = dce_v6_0_hw_init,
3119         .hw_fini = dce_v6_0_hw_fini,
3120         .suspend = dce_v6_0_suspend,
3121         .resume = dce_v6_0_resume,
3122         .is_idle = dce_v6_0_is_idle,
3123         .wait_for_idle = dce_v6_0_wait_for_idle,
3124         .soft_reset = dce_v6_0_soft_reset,
3125         .set_clockgating_state = dce_v6_0_set_clockgating_state,
3126         .set_powergating_state = dce_v6_0_set_powergating_state,
3127 };
3128
3129 static void
3130 dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
3131                           struct drm_display_mode *mode,
3132                           struct drm_display_mode *adjusted_mode)
3133 {
3134
3135         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3136         int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3137
3138         amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3139
3140         /* need to call this here rather than in prepare() since we need some crtc info */
3141         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3142
3143         /* set scaler clears this on some chips */
3144         dce_v6_0_set_interleave(encoder->crtc, mode);
3145
3146         if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em)) {
3147                 dce_v6_0_afmt_enable(encoder, true);
3148                 dce_v6_0_afmt_setmode(encoder, adjusted_mode);
3149         }
3150 }
3151
3152 static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
3153 {
3154
3155         struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3156         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3157         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3158
3159         if ((amdgpu_encoder->active_device &
3160              (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3161             (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3162              ENCODER_OBJECT_ID_NONE)) {
3163                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3164                 if (dig) {
3165                         dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
3166                         if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3167                                 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3168                 }
3169         }
3170
3171         amdgpu_atombios_scratch_regs_lock(adev, true);
3172
3173         if (connector) {
3174                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3175
3176                 /* select the clock/data port if it uses a router */
3177                 if (amdgpu_connector->router.cd_valid)
3178                         amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3179
3180                 /* turn eDP panel on for mode set */
3181                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3182                         amdgpu_atombios_encoder_set_edp_panel_power(connector,
3183                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
3184         }
3185
3186         /* this is needed for the pll/ss setup to work correctly in some cases */
3187         amdgpu_atombios_encoder_set_crtc_source(encoder);
3188         /* set up the FMT blocks */
3189         dce_v6_0_program_fmt(encoder);
3190 }
3191
3192 static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
3193 {
3194
3195         struct drm_device *dev = encoder->dev;
3196         struct amdgpu_device *adev = drm_to_adev(dev);
3197
3198         /* need to call this here as we need the crtc set up */
3199         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3200         amdgpu_atombios_scratch_regs_lock(adev, false);
3201 }
3202
3203 static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
3204 {
3205
3206         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3207         struct amdgpu_encoder_atom_dig *dig;
3208         int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3209
3210         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3211
3212         if (amdgpu_atombios_encoder_is_digital(encoder)) {
3213                 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em))
3214                         dce_v6_0_afmt_enable(encoder, false);
3215                 dig = amdgpu_encoder->enc_priv;
3216                 dig->dig_encoder = -1;
3217         }
3218         amdgpu_encoder->active_device = 0;
3219 }
3220
3221 /* these are handled by the primary encoders */
3222 static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
3223 {
3224
3225 }
3226
3227 static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
3228 {
3229
3230 }
3231
3232 static void
3233 dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
3234                       struct drm_display_mode *mode,
3235                       struct drm_display_mode *adjusted_mode)
3236 {
3237
3238 }
3239
3240 static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
3241 {
3242
3243 }
3244
3245 static void
3246 dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
3247 {
3248
3249 }
3250
3251 static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
3252                                     const struct drm_display_mode *mode,
3253                                     struct drm_display_mode *adjusted_mode)
3254 {
3255         return true;
3256 }
3257
3258 static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
3259         .dpms = dce_v6_0_ext_dpms,
3260         .mode_fixup = dce_v6_0_ext_mode_fixup,
3261         .prepare = dce_v6_0_ext_prepare,
3262         .mode_set = dce_v6_0_ext_mode_set,
3263         .commit = dce_v6_0_ext_commit,
3264         .disable = dce_v6_0_ext_disable,
3265         /* no detect for TMDS/LVDS yet */
3266 };
3267
3268 static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
3269         .dpms = amdgpu_atombios_encoder_dpms,
3270         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3271         .prepare = dce_v6_0_encoder_prepare,
3272         .mode_set = dce_v6_0_encoder_mode_set,
3273         .commit = dce_v6_0_encoder_commit,
3274         .disable = dce_v6_0_encoder_disable,
3275         .detect = amdgpu_atombios_encoder_dig_detect,
3276 };
3277
3278 static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
3279         .dpms = amdgpu_atombios_encoder_dpms,
3280         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3281         .prepare = dce_v6_0_encoder_prepare,
3282         .mode_set = dce_v6_0_encoder_mode_set,
3283         .commit = dce_v6_0_encoder_commit,
3284         .detect = amdgpu_atombios_encoder_dac_detect,
3285 };
3286
3287 static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
3288 {
3289         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3290         if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3291                 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3292         kfree(amdgpu_encoder->enc_priv);
3293         drm_encoder_cleanup(encoder);
3294         kfree(amdgpu_encoder);
3295 }
3296
3297 static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
3298         .destroy = dce_v6_0_encoder_destroy,
3299 };
3300
3301 static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
3302                                  uint32_t encoder_enum,
3303                                  uint32_t supported_device,
3304                                  u16 caps)
3305 {
3306         struct drm_device *dev = adev_to_drm(adev);
3307         struct drm_encoder *encoder;
3308         struct amdgpu_encoder *amdgpu_encoder;
3309
3310         /* see if we already added it */
3311         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3312                 amdgpu_encoder = to_amdgpu_encoder(encoder);
3313                 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3314                         amdgpu_encoder->devices |= supported_device;
3315                         return;
3316                 }
3317
3318         }
3319
3320         /* add a new one */
3321         amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3322         if (!amdgpu_encoder)
3323                 return;
3324
3325         encoder = &amdgpu_encoder->base;
3326         switch (adev->mode_info.num_crtc) {
3327         case 1:
3328                 encoder->possible_crtcs = 0x1;
3329                 break;
3330         case 2:
3331         default:
3332                 encoder->possible_crtcs = 0x3;
3333                 break;
3334         case 4:
3335                 encoder->possible_crtcs = 0xf;
3336                 break;
3337         case 6:
3338                 encoder->possible_crtcs = 0x3f;
3339                 break;
3340         }
3341
3342         amdgpu_encoder->enc_priv = NULL;
3343         amdgpu_encoder->encoder_enum = encoder_enum;
3344         amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3345         amdgpu_encoder->devices = supported_device;
3346         amdgpu_encoder->rmx_type = RMX_OFF;
3347         amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3348         amdgpu_encoder->is_ext_encoder = false;
3349         amdgpu_encoder->caps = caps;
3350
3351         switch (amdgpu_encoder->encoder_id) {
3352         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3353         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3354                 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3355                                  DRM_MODE_ENCODER_DAC, NULL);
3356                 drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
3357                 break;
3358         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3359         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3360         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3361         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3362         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3363                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3364                         amdgpu_encoder->rmx_type = RMX_FULL;
3365                         drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3366                                          DRM_MODE_ENCODER_LVDS, NULL);
3367                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3368                 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3369                         drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3370                                          DRM_MODE_ENCODER_DAC, NULL);
3371                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3372                 } else {
3373                         drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3374                                          DRM_MODE_ENCODER_TMDS, NULL);
3375                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3376                 }
3377                 drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3378                 break;
3379         case ENCODER_OBJECT_ID_SI170B:
3380         case ENCODER_OBJECT_ID_CH7303:
3381         case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3382         case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3383         case ENCODER_OBJECT_ID_TITFP513:
3384         case ENCODER_OBJECT_ID_VT1623:
3385         case ENCODER_OBJECT_ID_HDMI_SI1930:
3386         case ENCODER_OBJECT_ID_TRAVIS:
3387         case ENCODER_OBJECT_ID_NUTMEG:
3388                 /* these are handled by the primary encoders */
3389                 amdgpu_encoder->is_ext_encoder = true;
3390                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3391                         drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3392                                          DRM_MODE_ENCODER_LVDS, NULL);
3393                 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3394                         drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3395                                          DRM_MODE_ENCODER_DAC, NULL);
3396                 else
3397                         drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3398                                          DRM_MODE_ENCODER_TMDS, NULL);
3399                 drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3400                 break;
3401         }
3402 }
3403
3404 static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3405         .bandwidth_update = &dce_v6_0_bandwidth_update,
3406         .vblank_get_counter = &dce_v6_0_vblank_get_counter,
3407         .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3408         .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3409         .hpd_sense = &dce_v6_0_hpd_sense,
3410         .hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3411         .hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3412         .page_flip = &dce_v6_0_page_flip,
3413         .page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3414         .add_encoder = &dce_v6_0_encoder_add,
3415         .add_connector = &amdgpu_connector_add,
3416 };
3417
3418 static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3419 {
3420         adev->mode_info.funcs = &dce_v6_0_display_funcs;
3421 }
3422
3423 static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3424         .set = dce_v6_0_set_crtc_interrupt_state,
3425         .process = dce_v6_0_crtc_irq,
3426 };
3427
3428 static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3429         .set = dce_v6_0_set_pageflip_interrupt_state,
3430         .process = dce_v6_0_pageflip_irq,
3431 };
3432
3433 static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3434         .set = dce_v6_0_set_hpd_interrupt_state,
3435         .process = dce_v6_0_hpd_irq,
3436 };
3437
3438 static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3439 {
3440         if (adev->mode_info.num_crtc > 0)
3441                 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3442         else
3443                 adev->crtc_irq.num_types = 0;
3444         adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3445
3446         adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3447         adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3448
3449         adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3450         adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3451 }
3452
3453 const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3454 {
3455         .type = AMD_IP_BLOCK_TYPE_DCE,
3456         .major = 6,
3457         .minor = 0,
3458         .rev = 0,
3459         .funcs = &dce_v6_0_ip_funcs,
3460 };
3461
3462 const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3463 {
3464         .type = AMD_IP_BLOCK_TYPE_DCE,
3465         .major = 6,
3466         .minor = 4,
3467         .rev = 0,
3468         .funcs = &dce_v6_0_ip_funcs,
3469 };