1 /* 2 * Copyright 2014 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 */ 23 24 #include <drm/drm_fourcc.h> 25 #include <drm/drm_vblank.h> 26 27 #include "amdgpu.h" 28 #include "amdgpu_pm.h" 29 #include "amdgpu_i2c.h" 30 #include "vid.h" 31 #include "atom.h" 32 #include "amdgpu_atombios.h" 33 #include "atombios_crtc.h" 34 #include "atombios_encoders.h" 35 #include "amdgpu_pll.h" 36 #include "amdgpu_connectors.h" 37 #include "amdgpu_display.h" 38 #include "dce_v10_0.h" 39 40 #include "dce/dce_10_0_d.h" 41 #include "dce/dce_10_0_sh_mask.h" 42 #include "dce/dce_10_0_enum.h" 43 #include "oss/oss_3_0_d.h" 44 #include "oss/oss_3_0_sh_mask.h" 45 #include "gmc/gmc_8_1_d.h" 46 #include "gmc/gmc_8_1_sh_mask.h" 47 48 #include "ivsrcid/ivsrcid_vislands30.h" 49 50 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev); 51 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev); 52 53 static const u32 crtc_offsets[] = 54 { 55 CRTC0_REGISTER_OFFSET, 56 CRTC1_REGISTER_OFFSET, 57 CRTC2_REGISTER_OFFSET, 58 CRTC3_REGISTER_OFFSET, 59 CRTC4_REGISTER_OFFSET, 60 CRTC5_REGISTER_OFFSET, 61 CRTC6_REGISTER_OFFSET 62 }; 63 64 static const u32 hpd_offsets[] = 65 { 66 HPD0_REGISTER_OFFSET, 67 HPD1_REGISTER_OFFSET, 68 HPD2_REGISTER_OFFSET, 69 HPD3_REGISTER_OFFSET, 70 HPD4_REGISTER_OFFSET, 71 HPD5_REGISTER_OFFSET 72 }; 73 74 static const uint32_t dig_offsets[] = { 75 DIG0_REGISTER_OFFSET, 76 DIG1_REGISTER_OFFSET, 77 DIG2_REGISTER_OFFSET, 78 DIG3_REGISTER_OFFSET, 79 DIG4_REGISTER_OFFSET, 80 DIG5_REGISTER_OFFSET, 81 DIG6_REGISTER_OFFSET 82 }; 83 84 static const struct { 85 uint32_t reg; 86 uint32_t vblank; 87 uint32_t vline; 88 uint32_t hpd; 89 90 } interrupt_status_offsets[] = { { 91 .reg = mmDISP_INTERRUPT_STATUS, 92 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK, 93 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK, 94 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK 95 }, { 96 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE, 97 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK, 98 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK, 99 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK 100 }, { 101 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2, 102 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK, 103 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK, 104 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK 105 }, { 106 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3, 107 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK, 108 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK, 109 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK 110 }, { 111 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4, 112 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK, 113 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK, 114 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK 115 }, { 116 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5, 117 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK, 118 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK, 119 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK 120 } }; 121 122 static const u32 golden_settings_tonga_a11[] = 123 { 124 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 125 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 126 mmFBC_MISC, 0x1f311fff, 0x12300000, 127 mmHDMI_CONTROL, 0x31000111, 0x00000011, 128 }; 129 130 static const u32 tonga_mgcg_cgcg_init[] = 131 { 132 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100, 133 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000, 134 }; 135 136 static const u32 golden_settings_fiji_a10[] = 137 { 138 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 139 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 140 mmFBC_MISC, 0x1f311fff, 0x12300000, 141 mmHDMI_CONTROL, 0x31000111, 0x00000011, 142 }; 143 144 static const u32 fiji_mgcg_cgcg_init[] = 145 { 146 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100, 147 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000, 148 }; 149 150 static void dce_v10_0_init_golden_registers(struct amdgpu_device *adev) 151 { 152 switch (adev->asic_type) { 153 case CHIP_FIJI: 154 amdgpu_device_program_register_sequence(adev, 155 fiji_mgcg_cgcg_init, 156 ARRAY_SIZE(fiji_mgcg_cgcg_init)); 157 amdgpu_device_program_register_sequence(adev, 158 golden_settings_fiji_a10, 159 ARRAY_SIZE(golden_settings_fiji_a10)); 160 break; 161 case CHIP_TONGA: 162 amdgpu_device_program_register_sequence(adev, 163 tonga_mgcg_cgcg_init, 164 ARRAY_SIZE(tonga_mgcg_cgcg_init)); 165 amdgpu_device_program_register_sequence(adev, 166 golden_settings_tonga_a11, 167 ARRAY_SIZE(golden_settings_tonga_a11)); 168 break; 169 default: 170 break; 171 } 172 } 173 174 static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev, 175 u32 block_offset, u32 reg) 176 { 177 unsigned long flags; 178 u32 r; 179 180 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 181 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 182 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset); 183 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 184 185 return r; 186 } 187 188 static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev, 189 u32 block_offset, u32 reg, u32 v) 190 { 191 unsigned long flags; 192 193 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 194 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 195 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v); 196 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 197 } 198 199 static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc) 200 { 201 if (crtc >= adev->mode_info.num_crtc) 202 return 0; 203 else 204 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]); 205 } 206 207 static void dce_v10_0_pageflip_interrupt_init(struct amdgpu_device *adev) 208 { 209 unsigned i; 210 211 /* Enable pflip interrupts */ 212 for (i = 0; i < adev->mode_info.num_crtc; i++) 213 amdgpu_irq_get(adev, &adev->pageflip_irq, i); 214 } 215 216 static void dce_v10_0_pageflip_interrupt_fini(struct amdgpu_device *adev) 217 { 218 unsigned i; 219 220 /* Disable pflip interrupts */ 221 for (i = 0; i < adev->mode_info.num_crtc; i++) 222 amdgpu_irq_put(adev, &adev->pageflip_irq, i); 223 } 224 225 /** 226 * dce_v10_0_page_flip - pageflip callback. 227 * 228 * @adev: amdgpu_device pointer 229 * @crtc_id: crtc to cleanup pageflip on 230 * @crtc_base: new address of the crtc (GPU MC address) 231 * 232 * Triggers the actual pageflip by updating the primary 233 * surface base address. 234 */ 235 static void dce_v10_0_page_flip(struct amdgpu_device *adev, 236 int crtc_id, u64 crtc_base, bool async) 237 { 238 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 239 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb; 240 u32 tmp; 241 242 /* flip at hsync for async, default is vsync */ 243 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 244 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 245 GRPH_SURFACE_UPDATE_H_RETRACE_EN, async ? 1 : 0); 246 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 247 /* update pitch */ 248 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, 249 fb->pitches[0] / fb->format->cpp[0]); 250 /* update the primary scanout address */ 251 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 252 upper_32_bits(crtc_base)); 253 /* writing to the low address triggers the update */ 254 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 255 lower_32_bits(crtc_base)); 256 /* post the write */ 257 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset); 258 } 259 260 static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, 261 u32 *vbl, u32 *position) 262 { 263 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc)) 264 return -EINVAL; 265 266 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]); 267 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 268 269 return 0; 270 } 271 272 /** 273 * dce_v10_0_hpd_sense - hpd sense callback. 274 * 275 * @adev: amdgpu_device pointer 276 * @hpd: hpd (hotplug detect) pin 277 * 278 * Checks if a digital monitor is connected (evergreen+). 279 * Returns true if connected, false if not connected. 280 */ 281 static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev, 282 enum amdgpu_hpd_id hpd) 283 { 284 bool connected = false; 285 286 if (hpd >= adev->mode_info.num_hpd) 287 return connected; 288 289 if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) & 290 DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK) 291 connected = true; 292 293 return connected; 294 } 295 296 /** 297 * dce_v10_0_hpd_set_polarity - hpd set polarity callback. 298 * 299 * @adev: amdgpu_device pointer 300 * @hpd: hpd (hotplug detect) pin 301 * 302 * Set the polarity of the hpd pin (evergreen+). 303 */ 304 static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev, 305 enum amdgpu_hpd_id hpd) 306 { 307 u32 tmp; 308 bool connected = dce_v10_0_hpd_sense(adev, hpd); 309 310 if (hpd >= adev->mode_info.num_hpd) 311 return; 312 313 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 314 if (connected) 315 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0); 316 else 317 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1); 318 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 319 } 320 321 /** 322 * dce_v10_0_hpd_init - hpd setup callback. 323 * 324 * @adev: amdgpu_device pointer 325 * 326 * Setup the hpd pins used by the card (evergreen+). 327 * Enable the pin, set the polarity, and enable the hpd interrupts. 328 */ 329 static void dce_v10_0_hpd_init(struct amdgpu_device *adev) 330 { 331 struct drm_device *dev = adev_to_drm(adev); 332 struct drm_connector *connector; 333 struct drm_connector_list_iter iter; 334 u32 tmp; 335 336 drm_connector_list_iter_begin(dev, &iter); 337 drm_for_each_connector_iter(connector, &iter) { 338 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 339 340 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 341 continue; 342 343 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 344 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { 345 /* don't try to enable hpd on eDP or LVDS avoid breaking the 346 * aux dp channel on imac and help (but not completely fix) 347 * https://bugzilla.redhat.com/show_bug.cgi?id=726143 348 * also avoid interrupt storms during dpms. 349 */ 350 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 351 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 352 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 353 continue; 354 } 355 356 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 357 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1); 358 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 359 360 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]); 361 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 362 DC_HPD_CONNECT_INT_DELAY, 363 AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS); 364 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 365 DC_HPD_DISCONNECT_INT_DELAY, 366 AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS); 367 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 368 369 dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); 370 amdgpu_irq_get(adev, &adev->hpd_irq, 371 amdgpu_connector->hpd.hpd); 372 } 373 drm_connector_list_iter_end(&iter); 374 } 375 376 /** 377 * dce_v10_0_hpd_fini - hpd tear down callback. 378 * 379 * @adev: amdgpu_device pointer 380 * 381 * Tear down the hpd pins used by the card (evergreen+). 382 * Disable the hpd interrupts. 383 */ 384 static void dce_v10_0_hpd_fini(struct amdgpu_device *adev) 385 { 386 struct drm_device *dev = adev_to_drm(adev); 387 struct drm_connector *connector; 388 struct drm_connector_list_iter iter; 389 u32 tmp; 390 391 drm_connector_list_iter_begin(dev, &iter); 392 drm_for_each_connector_iter(connector, &iter) { 393 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 394 395 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 396 continue; 397 398 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 399 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0); 400 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 401 402 amdgpu_irq_put(adev, &adev->hpd_irq, 403 amdgpu_connector->hpd.hpd); 404 } 405 drm_connector_list_iter_end(&iter); 406 } 407 408 static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev) 409 { 410 return mmDC_GPIO_HPD_A; 411 } 412 413 static bool dce_v10_0_is_display_hung(struct amdgpu_device *adev) 414 { 415 u32 crtc_hung = 0; 416 u32 crtc_status[6]; 417 u32 i, j, tmp; 418 419 for (i = 0; i < adev->mode_info.num_crtc; i++) { 420 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 421 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) { 422 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 423 crtc_hung |= (1 << i); 424 } 425 } 426 427 for (j = 0; j < 10; j++) { 428 for (i = 0; i < adev->mode_info.num_crtc; i++) { 429 if (crtc_hung & (1 << i)) { 430 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 431 if (tmp != crtc_status[i]) 432 crtc_hung &= ~(1 << i); 433 } 434 } 435 if (crtc_hung == 0) 436 return false; 437 udelay(100); 438 } 439 440 return true; 441 } 442 443 static void dce_v10_0_set_vga_render_state(struct amdgpu_device *adev, 444 bool render) 445 { 446 u32 tmp; 447 448 /* Lockout access through VGA aperture*/ 449 tmp = RREG32(mmVGA_HDP_CONTROL); 450 if (render) 451 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0); 452 else 453 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); 454 WREG32(mmVGA_HDP_CONTROL, tmp); 455 456 /* disable VGA render */ 457 tmp = RREG32(mmVGA_RENDER_CONTROL); 458 if (render) 459 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1); 460 else 461 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 462 WREG32(mmVGA_RENDER_CONTROL, tmp); 463 } 464 465 static int dce_v10_0_get_num_crtc(struct amdgpu_device *adev) 466 { 467 int num_crtc = 0; 468 469 switch (adev->asic_type) { 470 case CHIP_FIJI: 471 case CHIP_TONGA: 472 num_crtc = 6; 473 break; 474 default: 475 num_crtc = 0; 476 } 477 return num_crtc; 478 } 479 480 void dce_v10_0_disable_dce(struct amdgpu_device *adev) 481 { 482 /*Disable VGA render and enabled crtc, if has DCE engine*/ 483 if (amdgpu_atombios_has_dce_engine_info(adev)) { 484 u32 tmp; 485 int crtc_enabled, i; 486 487 dce_v10_0_set_vga_render_state(adev, false); 488 489 /*Disable crtc*/ 490 for (i = 0; i < dce_v10_0_get_num_crtc(adev); i++) { 491 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]), 492 CRTC_CONTROL, CRTC_MASTER_EN); 493 if (crtc_enabled) { 494 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1); 495 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 496 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0); 497 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp); 498 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0); 499 } 500 } 501 } 502 } 503 504 static void dce_v10_0_program_fmt(struct drm_encoder *encoder) 505 { 506 struct drm_device *dev = encoder->dev; 507 struct amdgpu_device *adev = drm_to_adev(dev); 508 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 509 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 510 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 511 int bpc = 0; 512 u32 tmp = 0; 513 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE; 514 515 if (connector) { 516 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 517 bpc = amdgpu_connector_get_monitor_bpc(connector); 518 dither = amdgpu_connector->dither; 519 } 520 521 /* LVDS/eDP FMT is set up by atom */ 522 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 523 return; 524 525 /* not needed for analog */ 526 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) || 527 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2)) 528 return; 529 530 if (bpc == 0) 531 return; 532 533 switch (bpc) { 534 case 6: 535 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 536 /* XXX sort out optimal dither settings */ 537 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 538 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 539 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 540 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0); 541 } else { 542 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 543 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0); 544 } 545 break; 546 case 8: 547 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 548 /* XXX sort out optimal dither settings */ 549 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 550 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 551 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 552 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 553 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1); 554 } else { 555 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 556 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1); 557 } 558 break; 559 case 10: 560 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 561 /* XXX sort out optimal dither settings */ 562 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 563 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 564 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 565 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 566 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2); 567 } else { 568 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 569 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2); 570 } 571 break; 572 default: 573 /* not needed */ 574 break; 575 } 576 577 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 578 } 579 580 581 /* display watermark setup */ 582 /** 583 * dce_v10_0_line_buffer_adjust - Set up the line buffer 584 * 585 * @adev: amdgpu_device pointer 586 * @amdgpu_crtc: the selected display controller 587 * @mode: the current display mode on the selected display 588 * controller 589 * 590 * Setup up the line buffer allocation for 591 * the selected display controller (CIK). 592 * Returns the line buffer size in pixels. 593 */ 594 static u32 dce_v10_0_line_buffer_adjust(struct amdgpu_device *adev, 595 struct amdgpu_crtc *amdgpu_crtc, 596 struct drm_display_mode *mode) 597 { 598 u32 tmp, buffer_alloc, i, mem_cfg; 599 u32 pipe_offset = amdgpu_crtc->crtc_id; 600 /* 601 * Line Buffer Setup 602 * There are 6 line buffers, one for each display controllers. 603 * There are 3 partitions per LB. Select the number of partitions 604 * to enable based on the display width. For display widths larger 605 * than 4096, you need use to use 2 display controllers and combine 606 * them using the stereo blender. 607 */ 608 if (amdgpu_crtc->base.enabled && mode) { 609 if (mode->crtc_hdisplay < 1920) { 610 mem_cfg = 1; 611 buffer_alloc = 2; 612 } else if (mode->crtc_hdisplay < 2560) { 613 mem_cfg = 2; 614 buffer_alloc = 2; 615 } else if (mode->crtc_hdisplay < 4096) { 616 mem_cfg = 0; 617 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 618 } else { 619 DRM_DEBUG_KMS("Mode too big for LB!\n"); 620 mem_cfg = 0; 621 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 622 } 623 } else { 624 mem_cfg = 1; 625 buffer_alloc = 0; 626 } 627 628 tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset); 629 tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg); 630 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp); 631 632 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 633 tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc); 634 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp); 635 636 for (i = 0; i < adev->usec_timeout; i++) { 637 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 638 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED)) 639 break; 640 udelay(1); 641 } 642 643 if (amdgpu_crtc->base.enabled && mode) { 644 switch (mem_cfg) { 645 case 0: 646 default: 647 return 4096 * 2; 648 case 1: 649 return 1920 * 2; 650 case 2: 651 return 2560 * 2; 652 } 653 } 654 655 /* controller not enabled, so no lb used */ 656 return 0; 657 } 658 659 /** 660 * cik_get_number_of_dram_channels - get the number of dram channels 661 * 662 * @adev: amdgpu_device pointer 663 * 664 * Look up the number of video ram channels (CIK). 665 * Used for display watermark bandwidth calculations 666 * Returns the number of dram channels 667 */ 668 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev) 669 { 670 u32 tmp = RREG32(mmMC_SHARED_CHMAP); 671 672 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) { 673 case 0: 674 default: 675 return 1; 676 case 1: 677 return 2; 678 case 2: 679 return 4; 680 case 3: 681 return 8; 682 case 4: 683 return 3; 684 case 5: 685 return 6; 686 case 6: 687 return 10; 688 case 7: 689 return 12; 690 case 8: 691 return 16; 692 } 693 } 694 695 struct dce10_wm_params { 696 u32 dram_channels; /* number of dram channels */ 697 u32 yclk; /* bandwidth per dram data pin in kHz */ 698 u32 sclk; /* engine clock in kHz */ 699 u32 disp_clk; /* display clock in kHz */ 700 u32 src_width; /* viewport width */ 701 u32 active_time; /* active display time in ns */ 702 u32 blank_time; /* blank time in ns */ 703 bool interlaced; /* mode is interlaced */ 704 fixed20_12 vsc; /* vertical scale ratio */ 705 u32 num_heads; /* number of active crtcs */ 706 u32 bytes_per_pixel; /* bytes per pixel display + overlay */ 707 u32 lb_size; /* line buffer allocated to pipe */ 708 u32 vtaps; /* vertical scaler taps */ 709 }; 710 711 /** 712 * dce_v10_0_dram_bandwidth - get the dram bandwidth 713 * 714 * @wm: watermark calculation data 715 * 716 * Calculate the raw dram bandwidth (CIK). 717 * Used for display watermark bandwidth calculations 718 * Returns the dram bandwidth in MBytes/s 719 */ 720 static u32 dce_v10_0_dram_bandwidth(struct dce10_wm_params *wm) 721 { 722 /* Calculate raw DRAM Bandwidth */ 723 fixed20_12 dram_efficiency; /* 0.7 */ 724 fixed20_12 yclk, dram_channels, bandwidth; 725 fixed20_12 a; 726 727 a.full = dfixed_const(1000); 728 yclk.full = dfixed_const(wm->yclk); 729 yclk.full = dfixed_div(yclk, a); 730 dram_channels.full = dfixed_const(wm->dram_channels * 4); 731 a.full = dfixed_const(10); 732 dram_efficiency.full = dfixed_const(7); 733 dram_efficiency.full = dfixed_div(dram_efficiency, a); 734 bandwidth.full = dfixed_mul(dram_channels, yclk); 735 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency); 736 737 return dfixed_trunc(bandwidth); 738 } 739 740 /** 741 * dce_v10_0_dram_bandwidth_for_display - get the dram bandwidth for display 742 * 743 * @wm: watermark calculation data 744 * 745 * Calculate the dram bandwidth used for display (CIK). 746 * Used for display watermark bandwidth calculations 747 * Returns the dram bandwidth for display in MBytes/s 748 */ 749 static u32 dce_v10_0_dram_bandwidth_for_display(struct dce10_wm_params *wm) 750 { 751 /* Calculate DRAM Bandwidth and the part allocated to display. */ 752 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */ 753 fixed20_12 yclk, dram_channels, bandwidth; 754 fixed20_12 a; 755 756 a.full = dfixed_const(1000); 757 yclk.full = dfixed_const(wm->yclk); 758 yclk.full = dfixed_div(yclk, a); 759 dram_channels.full = dfixed_const(wm->dram_channels * 4); 760 a.full = dfixed_const(10); 761 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */ 762 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a); 763 bandwidth.full = dfixed_mul(dram_channels, yclk); 764 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation); 765 766 return dfixed_trunc(bandwidth); 767 } 768 769 /** 770 * dce_v10_0_data_return_bandwidth - get the data return bandwidth 771 * 772 * @wm: watermark calculation data 773 * 774 * Calculate the data return bandwidth used for display (CIK). 775 * Used for display watermark bandwidth calculations 776 * Returns the data return bandwidth in MBytes/s 777 */ 778 static u32 dce_v10_0_data_return_bandwidth(struct dce10_wm_params *wm) 779 { 780 /* Calculate the display Data return Bandwidth */ 781 fixed20_12 return_efficiency; /* 0.8 */ 782 fixed20_12 sclk, bandwidth; 783 fixed20_12 a; 784 785 a.full = dfixed_const(1000); 786 sclk.full = dfixed_const(wm->sclk); 787 sclk.full = dfixed_div(sclk, a); 788 a.full = dfixed_const(10); 789 return_efficiency.full = dfixed_const(8); 790 return_efficiency.full = dfixed_div(return_efficiency, a); 791 a.full = dfixed_const(32); 792 bandwidth.full = dfixed_mul(a, sclk); 793 bandwidth.full = dfixed_mul(bandwidth, return_efficiency); 794 795 return dfixed_trunc(bandwidth); 796 } 797 798 /** 799 * dce_v10_0_dmif_request_bandwidth - get the dmif bandwidth 800 * 801 * @wm: watermark calculation data 802 * 803 * Calculate the dmif bandwidth used for display (CIK). 804 * Used for display watermark bandwidth calculations 805 * Returns the dmif bandwidth in MBytes/s 806 */ 807 static u32 dce_v10_0_dmif_request_bandwidth(struct dce10_wm_params *wm) 808 { 809 /* Calculate the DMIF Request Bandwidth */ 810 fixed20_12 disp_clk_request_efficiency; /* 0.8 */ 811 fixed20_12 disp_clk, bandwidth; 812 fixed20_12 a, b; 813 814 a.full = dfixed_const(1000); 815 disp_clk.full = dfixed_const(wm->disp_clk); 816 disp_clk.full = dfixed_div(disp_clk, a); 817 a.full = dfixed_const(32); 818 b.full = dfixed_mul(a, disp_clk); 819 820 a.full = dfixed_const(10); 821 disp_clk_request_efficiency.full = dfixed_const(8); 822 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a); 823 824 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency); 825 826 return dfixed_trunc(bandwidth); 827 } 828 829 /** 830 * dce_v10_0_available_bandwidth - get the min available bandwidth 831 * 832 * @wm: watermark calculation data 833 * 834 * Calculate the min available bandwidth used for display (CIK). 835 * Used for display watermark bandwidth calculations 836 * Returns the min available bandwidth in MBytes/s 837 */ 838 static u32 dce_v10_0_available_bandwidth(struct dce10_wm_params *wm) 839 { 840 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */ 841 u32 dram_bandwidth = dce_v10_0_dram_bandwidth(wm); 842 u32 data_return_bandwidth = dce_v10_0_data_return_bandwidth(wm); 843 u32 dmif_req_bandwidth = dce_v10_0_dmif_request_bandwidth(wm); 844 845 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth)); 846 } 847 848 /** 849 * dce_v10_0_average_bandwidth - get the average available bandwidth 850 * 851 * @wm: watermark calculation data 852 * 853 * Calculate the average available bandwidth used for display (CIK). 854 * Used for display watermark bandwidth calculations 855 * Returns the average available bandwidth in MBytes/s 856 */ 857 static u32 dce_v10_0_average_bandwidth(struct dce10_wm_params *wm) 858 { 859 /* Calculate the display mode Average Bandwidth 860 * DisplayMode should contain the source and destination dimensions, 861 * timing, etc. 862 */ 863 fixed20_12 bpp; 864 fixed20_12 line_time; 865 fixed20_12 src_width; 866 fixed20_12 bandwidth; 867 fixed20_12 a; 868 869 a.full = dfixed_const(1000); 870 line_time.full = dfixed_const(wm->active_time + wm->blank_time); 871 line_time.full = dfixed_div(line_time, a); 872 bpp.full = dfixed_const(wm->bytes_per_pixel); 873 src_width.full = dfixed_const(wm->src_width); 874 bandwidth.full = dfixed_mul(src_width, bpp); 875 bandwidth.full = dfixed_mul(bandwidth, wm->vsc); 876 bandwidth.full = dfixed_div(bandwidth, line_time); 877 878 return dfixed_trunc(bandwidth); 879 } 880 881 /** 882 * dce_v10_0_latency_watermark - get the latency watermark 883 * 884 * @wm: watermark calculation data 885 * 886 * Calculate the latency watermark (CIK). 887 * Used for display watermark bandwidth calculations 888 * Returns the latency watermark in ns 889 */ 890 static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm) 891 { 892 /* First calculate the latency in ns */ 893 u32 mc_latency = 2000; /* 2000 ns. */ 894 u32 available_bandwidth = dce_v10_0_available_bandwidth(wm); 895 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth; 896 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth; 897 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */ 898 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) + 899 (wm->num_heads * cursor_line_pair_return_time); 900 u32 latency = mc_latency + other_heads_data_return_time + dc_latency; 901 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time; 902 u32 tmp, dmif_size = 12288; 903 fixed20_12 a, b, c; 904 905 if (wm->num_heads == 0) 906 return 0; 907 908 a.full = dfixed_const(2); 909 b.full = dfixed_const(1); 910 if ((wm->vsc.full > a.full) || 911 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) || 912 (wm->vtaps >= 5) || 913 ((wm->vsc.full >= a.full) && wm->interlaced)) 914 max_src_lines_per_dst_line = 4; 915 else 916 max_src_lines_per_dst_line = 2; 917 918 a.full = dfixed_const(available_bandwidth); 919 b.full = dfixed_const(wm->num_heads); 920 a.full = dfixed_div(a, b); 921 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512); 922 tmp = min(dfixed_trunc(a), tmp); 923 924 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000); 925 926 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel); 927 b.full = dfixed_const(1000); 928 c.full = dfixed_const(lb_fill_bw); 929 b.full = dfixed_div(c, b); 930 a.full = dfixed_div(a, b); 931 line_fill_time = dfixed_trunc(a); 932 933 if (line_fill_time < wm->active_time) 934 return latency; 935 else 936 return latency + (line_fill_time - wm->active_time); 937 938 } 939 940 /** 941 * dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display - check 942 * average and available dram bandwidth 943 * 944 * @wm: watermark calculation data 945 * 946 * Check if the display average bandwidth fits in the display 947 * dram bandwidth (CIK). 948 * Used for display watermark bandwidth calculations 949 * Returns true if the display fits, false if not. 950 */ 951 static bool dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm) 952 { 953 if (dce_v10_0_average_bandwidth(wm) <= 954 (dce_v10_0_dram_bandwidth_for_display(wm) / wm->num_heads)) 955 return true; 956 else 957 return false; 958 } 959 960 /** 961 * dce_v10_0_average_bandwidth_vs_available_bandwidth - check 962 * average and available bandwidth 963 * 964 * @wm: watermark calculation data 965 * 966 * Check if the display average bandwidth fits in the display 967 * available bandwidth (CIK). 968 * Used for display watermark bandwidth calculations 969 * Returns true if the display fits, false if not. 970 */ 971 static bool dce_v10_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm) 972 { 973 if (dce_v10_0_average_bandwidth(wm) <= 974 (dce_v10_0_available_bandwidth(wm) / wm->num_heads)) 975 return true; 976 else 977 return false; 978 } 979 980 /** 981 * dce_v10_0_check_latency_hiding - check latency hiding 982 * 983 * @wm: watermark calculation data 984 * 985 * Check latency hiding (CIK). 986 * Used for display watermark bandwidth calculations 987 * Returns true if the display fits, false if not. 988 */ 989 static bool dce_v10_0_check_latency_hiding(struct dce10_wm_params *wm) 990 { 991 u32 lb_partitions = wm->lb_size / wm->src_width; 992 u32 line_time = wm->active_time + wm->blank_time; 993 u32 latency_tolerant_lines; 994 u32 latency_hiding; 995 fixed20_12 a; 996 997 a.full = dfixed_const(1); 998 if (wm->vsc.full > a.full) 999 latency_tolerant_lines = 1; 1000 else { 1001 if (lb_partitions <= (wm->vtaps + 1)) 1002 latency_tolerant_lines = 1; 1003 else 1004 latency_tolerant_lines = 2; 1005 } 1006 1007 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time); 1008 1009 if (dce_v10_0_latency_watermark(wm) <= latency_hiding) 1010 return true; 1011 else 1012 return false; 1013 } 1014 1015 /** 1016 * dce_v10_0_program_watermarks - program display watermarks 1017 * 1018 * @adev: amdgpu_device pointer 1019 * @amdgpu_crtc: the selected display controller 1020 * @lb_size: line buffer size 1021 * @num_heads: number of display controllers in use 1022 * 1023 * Calculate and program the display watermarks for the 1024 * selected display controller (CIK). 1025 */ 1026 static void dce_v10_0_program_watermarks(struct amdgpu_device *adev, 1027 struct amdgpu_crtc *amdgpu_crtc, 1028 u32 lb_size, u32 num_heads) 1029 { 1030 struct drm_display_mode *mode = &amdgpu_crtc->base.mode; 1031 struct dce10_wm_params wm_low, wm_high; 1032 u32 active_time; 1033 u32 line_time = 0; 1034 u32 latency_watermark_a = 0, latency_watermark_b = 0; 1035 u32 tmp, wm_mask, lb_vblank_lead_lines = 0; 1036 1037 if (amdgpu_crtc->base.enabled && num_heads && mode) { 1038 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000, 1039 (u32)mode->clock); 1040 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000, 1041 (u32)mode->clock); 1042 line_time = min(line_time, (u32)65535); 1043 1044 /* watermark for high clocks */ 1045 if (adev->pm.dpm_enabled) { 1046 wm_high.yclk = 1047 amdgpu_dpm_get_mclk(adev, false) * 10; 1048 wm_high.sclk = 1049 amdgpu_dpm_get_sclk(adev, false) * 10; 1050 } else { 1051 wm_high.yclk = adev->pm.current_mclk * 10; 1052 wm_high.sclk = adev->pm.current_sclk * 10; 1053 } 1054 1055 wm_high.disp_clk = mode->clock; 1056 wm_high.src_width = mode->crtc_hdisplay; 1057 wm_high.active_time = active_time; 1058 wm_high.blank_time = line_time - wm_high.active_time; 1059 wm_high.interlaced = false; 1060 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1061 wm_high.interlaced = true; 1062 wm_high.vsc = amdgpu_crtc->vsc; 1063 wm_high.vtaps = 1; 1064 if (amdgpu_crtc->rmx_type != RMX_OFF) 1065 wm_high.vtaps = 2; 1066 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1067 wm_high.lb_size = lb_size; 1068 wm_high.dram_channels = cik_get_number_of_dram_channels(adev); 1069 wm_high.num_heads = num_heads; 1070 1071 /* set for high clocks */ 1072 latency_watermark_a = min(dce_v10_0_latency_watermark(&wm_high), (u32)65535); 1073 1074 /* possibly force display priority to high */ 1075 /* should really do this at mode validation time... */ 1076 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) || 1077 !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_high) || 1078 !dce_v10_0_check_latency_hiding(&wm_high) || 1079 (adev->mode_info.disp_priority == 2)) { 1080 DRM_DEBUG_KMS("force priority to high\n"); 1081 } 1082 1083 /* watermark for low clocks */ 1084 if (adev->pm.dpm_enabled) { 1085 wm_low.yclk = 1086 amdgpu_dpm_get_mclk(adev, true) * 10; 1087 wm_low.sclk = 1088 amdgpu_dpm_get_sclk(adev, true) * 10; 1089 } else { 1090 wm_low.yclk = adev->pm.current_mclk * 10; 1091 wm_low.sclk = adev->pm.current_sclk * 10; 1092 } 1093 1094 wm_low.disp_clk = mode->clock; 1095 wm_low.src_width = mode->crtc_hdisplay; 1096 wm_low.active_time = active_time; 1097 wm_low.blank_time = line_time - wm_low.active_time; 1098 wm_low.interlaced = false; 1099 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1100 wm_low.interlaced = true; 1101 wm_low.vsc = amdgpu_crtc->vsc; 1102 wm_low.vtaps = 1; 1103 if (amdgpu_crtc->rmx_type != RMX_OFF) 1104 wm_low.vtaps = 2; 1105 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1106 wm_low.lb_size = lb_size; 1107 wm_low.dram_channels = cik_get_number_of_dram_channels(adev); 1108 wm_low.num_heads = num_heads; 1109 1110 /* set for low clocks */ 1111 latency_watermark_b = min(dce_v10_0_latency_watermark(&wm_low), (u32)65535); 1112 1113 /* possibly force display priority to high */ 1114 /* should really do this at mode validation time... */ 1115 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) || 1116 !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_low) || 1117 !dce_v10_0_check_latency_hiding(&wm_low) || 1118 (adev->mode_info.disp_priority == 2)) { 1119 DRM_DEBUG_KMS("force priority to high\n"); 1120 } 1121 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); 1122 } 1123 1124 /* select wm A */ 1125 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset); 1126 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1); 1127 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1128 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1129 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a); 1130 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1131 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1132 /* select wm B */ 1133 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2); 1134 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1135 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1136 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b); 1137 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1138 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1139 /* restore original selection */ 1140 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask); 1141 1142 /* save values for DPM */ 1143 amdgpu_crtc->line_time = line_time; 1144 amdgpu_crtc->wm_high = latency_watermark_a; 1145 amdgpu_crtc->wm_low = latency_watermark_b; 1146 /* Save number of lines the linebuffer leads before the scanout */ 1147 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; 1148 } 1149 1150 /** 1151 * dce_v10_0_bandwidth_update - program display watermarks 1152 * 1153 * @adev: amdgpu_device pointer 1154 * 1155 * Calculate and program the display watermarks and line 1156 * buffer allocation (CIK). 1157 */ 1158 static void dce_v10_0_bandwidth_update(struct amdgpu_device *adev) 1159 { 1160 struct drm_display_mode *mode = NULL; 1161 u32 num_heads = 0, lb_size; 1162 int i; 1163 1164 amdgpu_display_update_priority(adev); 1165 1166 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1167 if (adev->mode_info.crtcs[i]->base.enabled) 1168 num_heads++; 1169 } 1170 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1171 mode = &adev->mode_info.crtcs[i]->base.mode; 1172 lb_size = dce_v10_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode); 1173 dce_v10_0_program_watermarks(adev, adev->mode_info.crtcs[i], 1174 lb_size, num_heads); 1175 } 1176 } 1177 1178 static void dce_v10_0_audio_get_connected_pins(struct amdgpu_device *adev) 1179 { 1180 int i; 1181 u32 offset, tmp; 1182 1183 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1184 offset = adev->mode_info.audio.pin[i].offset; 1185 tmp = RREG32_AUDIO_ENDPT(offset, 1186 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT); 1187 if (((tmp & 1188 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >> 1189 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1) 1190 adev->mode_info.audio.pin[i].connected = false; 1191 else 1192 adev->mode_info.audio.pin[i].connected = true; 1193 } 1194 } 1195 1196 static struct amdgpu_audio_pin *dce_v10_0_audio_get_pin(struct amdgpu_device *adev) 1197 { 1198 int i; 1199 1200 dce_v10_0_audio_get_connected_pins(adev); 1201 1202 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1203 if (adev->mode_info.audio.pin[i].connected) 1204 return &adev->mode_info.audio.pin[i]; 1205 } 1206 DRM_ERROR("No connected audio pins found!\n"); 1207 return NULL; 1208 } 1209 1210 static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder) 1211 { 1212 struct amdgpu_device *adev = drm_to_adev(encoder->dev); 1213 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1214 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1215 u32 tmp; 1216 1217 if (!dig || !dig->afmt || !dig->afmt->pin) 1218 return; 1219 1220 tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset); 1221 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id); 1222 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp); 1223 } 1224 1225 static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder, 1226 struct drm_display_mode *mode) 1227 { 1228 struct drm_device *dev = encoder->dev; 1229 struct amdgpu_device *adev = drm_to_adev(dev); 1230 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1231 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1232 struct drm_connector *connector; 1233 struct drm_connector_list_iter iter; 1234 struct amdgpu_connector *amdgpu_connector = NULL; 1235 u32 tmp; 1236 int interlace = 0; 1237 1238 if (!dig || !dig->afmt || !dig->afmt->pin) 1239 return; 1240 1241 drm_connector_list_iter_begin(dev, &iter); 1242 drm_for_each_connector_iter(connector, &iter) { 1243 if (connector->encoder == encoder) { 1244 amdgpu_connector = to_amdgpu_connector(connector); 1245 break; 1246 } 1247 } 1248 drm_connector_list_iter_end(&iter); 1249 1250 if (!amdgpu_connector) { 1251 DRM_ERROR("Couldn't find encoder's connector\n"); 1252 return; 1253 } 1254 1255 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1256 interlace = 1; 1257 if (connector->latency_present[interlace]) { 1258 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1259 VIDEO_LIPSYNC, connector->video_latency[interlace]); 1260 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1261 AUDIO_LIPSYNC, connector->audio_latency[interlace]); 1262 } else { 1263 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1264 VIDEO_LIPSYNC, 0); 1265 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1266 AUDIO_LIPSYNC, 0); 1267 } 1268 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1269 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); 1270 } 1271 1272 static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder) 1273 { 1274 struct drm_device *dev = encoder->dev; 1275 struct amdgpu_device *adev = drm_to_adev(dev); 1276 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1277 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1278 struct drm_connector *connector; 1279 struct drm_connector_list_iter iter; 1280 struct amdgpu_connector *amdgpu_connector = NULL; 1281 u32 tmp; 1282 u8 *sadb = NULL; 1283 int sad_count; 1284 1285 if (!dig || !dig->afmt || !dig->afmt->pin) 1286 return; 1287 1288 drm_connector_list_iter_begin(dev, &iter); 1289 drm_for_each_connector_iter(connector, &iter) { 1290 if (connector->encoder == encoder) { 1291 amdgpu_connector = to_amdgpu_connector(connector); 1292 break; 1293 } 1294 } 1295 drm_connector_list_iter_end(&iter); 1296 1297 if (!amdgpu_connector) { 1298 DRM_ERROR("Couldn't find encoder's connector\n"); 1299 return; 1300 } 1301 1302 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb); 1303 if (sad_count < 0) { 1304 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); 1305 sad_count = 0; 1306 } 1307 1308 /* program the speaker allocation */ 1309 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1310 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); 1311 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1312 DP_CONNECTION, 0); 1313 /* set HDMI mode */ 1314 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1315 HDMI_CONNECTION, 1); 1316 if (sad_count) 1317 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1318 SPEAKER_ALLOCATION, sadb[0]); 1319 else 1320 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1321 SPEAKER_ALLOCATION, 5); /* stereo */ 1322 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1323 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); 1324 1325 kfree(sadb); 1326 } 1327 1328 static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder) 1329 { 1330 struct drm_device *dev = encoder->dev; 1331 struct amdgpu_device *adev = drm_to_adev(dev); 1332 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1333 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1334 struct drm_connector *connector; 1335 struct drm_connector_list_iter iter; 1336 struct amdgpu_connector *amdgpu_connector = NULL; 1337 struct cea_sad *sads; 1338 int i, sad_count; 1339 1340 static const u16 eld_reg_to_type[][2] = { 1341 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM }, 1342 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 }, 1343 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 }, 1344 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 }, 1345 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 }, 1346 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC }, 1347 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS }, 1348 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC }, 1349 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 }, 1350 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD }, 1351 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP }, 1352 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, 1353 }; 1354 1355 if (!dig || !dig->afmt || !dig->afmt->pin) 1356 return; 1357 1358 drm_connector_list_iter_begin(dev, &iter); 1359 drm_for_each_connector_iter(connector, &iter) { 1360 if (connector->encoder == encoder) { 1361 amdgpu_connector = to_amdgpu_connector(connector); 1362 break; 1363 } 1364 } 1365 drm_connector_list_iter_end(&iter); 1366 1367 if (!amdgpu_connector) { 1368 DRM_ERROR("Couldn't find encoder's connector\n"); 1369 return; 1370 } 1371 1372 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads); 1373 if (sad_count < 0) 1374 DRM_ERROR("Couldn't read SADs: %d\n", sad_count); 1375 if (sad_count <= 0) 1376 return; 1377 BUG_ON(!sads); 1378 1379 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { 1380 u32 tmp = 0; 1381 u8 stereo_freqs = 0; 1382 int max_channels = -1; 1383 int j; 1384 1385 for (j = 0; j < sad_count; j++) { 1386 struct cea_sad *sad = &sads[j]; 1387 1388 if (sad->format == eld_reg_to_type[i][1]) { 1389 if (sad->channels > max_channels) { 1390 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1391 MAX_CHANNELS, sad->channels); 1392 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1393 DESCRIPTOR_BYTE_2, sad->byte2); 1394 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1395 SUPPORTED_FREQUENCIES, sad->freq); 1396 max_channels = sad->channels; 1397 } 1398 1399 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM) 1400 stereo_freqs |= sad->freq; 1401 else 1402 break; 1403 } 1404 } 1405 1406 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1407 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs); 1408 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp); 1409 } 1410 1411 kfree(sads); 1412 } 1413 1414 static void dce_v10_0_audio_enable(struct amdgpu_device *adev, 1415 struct amdgpu_audio_pin *pin, 1416 bool enable) 1417 { 1418 if (!pin) 1419 return; 1420 1421 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 1422 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0); 1423 } 1424 1425 static const u32 pin_offsets[] = 1426 { 1427 AUD0_REGISTER_OFFSET, 1428 AUD1_REGISTER_OFFSET, 1429 AUD2_REGISTER_OFFSET, 1430 AUD3_REGISTER_OFFSET, 1431 AUD4_REGISTER_OFFSET, 1432 AUD5_REGISTER_OFFSET, 1433 AUD6_REGISTER_OFFSET, 1434 }; 1435 1436 static int dce_v10_0_audio_init(struct amdgpu_device *adev) 1437 { 1438 int i; 1439 1440 if (!amdgpu_audio) 1441 return 0; 1442 1443 adev->mode_info.audio.enabled = true; 1444 1445 adev->mode_info.audio.num_pins = 7; 1446 1447 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1448 adev->mode_info.audio.pin[i].channels = -1; 1449 adev->mode_info.audio.pin[i].rate = -1; 1450 adev->mode_info.audio.pin[i].bits_per_sample = -1; 1451 adev->mode_info.audio.pin[i].status_bits = 0; 1452 adev->mode_info.audio.pin[i].category_code = 0; 1453 adev->mode_info.audio.pin[i].connected = false; 1454 adev->mode_info.audio.pin[i].offset = pin_offsets[i]; 1455 adev->mode_info.audio.pin[i].id = i; 1456 /* disable audio. it will be set up later */ 1457 /* XXX remove once we switch to ip funcs */ 1458 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1459 } 1460 1461 return 0; 1462 } 1463 1464 static void dce_v10_0_audio_fini(struct amdgpu_device *adev) 1465 { 1466 int i; 1467 1468 if (!amdgpu_audio) 1469 return; 1470 1471 if (!adev->mode_info.audio.enabled) 1472 return; 1473 1474 for (i = 0; i < adev->mode_info.audio.num_pins; i++) 1475 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1476 1477 adev->mode_info.audio.enabled = false; 1478 } 1479 1480 /* 1481 * update the N and CTS parameters for a given pixel clock rate 1482 */ 1483 static void dce_v10_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock) 1484 { 1485 struct drm_device *dev = encoder->dev; 1486 struct amdgpu_device *adev = drm_to_adev(dev); 1487 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock); 1488 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1489 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1490 u32 tmp; 1491 1492 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset); 1493 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz); 1494 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp); 1495 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset); 1496 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz); 1497 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp); 1498 1499 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset); 1500 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz); 1501 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp); 1502 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset); 1503 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz); 1504 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp); 1505 1506 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset); 1507 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz); 1508 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp); 1509 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset); 1510 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz); 1511 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp); 1512 1513 } 1514 1515 /* 1516 * build a HDMI Video Info Frame 1517 */ 1518 static void dce_v10_0_afmt_update_avi_infoframe(struct drm_encoder *encoder, 1519 void *buffer, size_t size) 1520 { 1521 struct drm_device *dev = encoder->dev; 1522 struct amdgpu_device *adev = drm_to_adev(dev); 1523 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1524 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1525 uint8_t *frame = buffer + 3; 1526 uint8_t *header = buffer; 1527 1528 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset, 1529 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); 1530 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset, 1531 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24)); 1532 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset, 1533 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24)); 1534 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset, 1535 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24)); 1536 } 1537 1538 static void dce_v10_0_audio_set_dto(struct drm_encoder *encoder, u32 clock) 1539 { 1540 struct drm_device *dev = encoder->dev; 1541 struct amdgpu_device *adev = drm_to_adev(dev); 1542 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1543 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1544 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1545 u32 dto_phase = 24 * 1000; 1546 u32 dto_modulo = clock; 1547 u32 tmp; 1548 1549 if (!dig || !dig->afmt) 1550 return; 1551 1552 /* XXX two dtos; generally use dto0 for hdmi */ 1553 /* Express [24MHz / target pixel clock] as an exact rational 1554 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE 1555 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator 1556 */ 1557 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE); 1558 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL, 1559 amdgpu_crtc->crtc_id); 1560 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp); 1561 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase); 1562 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo); 1563 } 1564 1565 /* 1566 * update the info frames with the data from the current display mode 1567 */ 1568 static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder, 1569 struct drm_display_mode *mode) 1570 { 1571 struct drm_device *dev = encoder->dev; 1572 struct amdgpu_device *adev = drm_to_adev(dev); 1573 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1574 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1575 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 1576 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; 1577 struct hdmi_avi_infoframe frame; 1578 ssize_t err; 1579 u32 tmp; 1580 int bpc = 8; 1581 1582 if (!dig || !dig->afmt) 1583 return; 1584 1585 /* Silent, r600_hdmi_enable will raise WARN for us */ 1586 if (!dig->afmt->enabled) 1587 return; 1588 1589 /* hdmi deep color mode general control packets setup, if bpc > 8 */ 1590 if (encoder->crtc) { 1591 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1592 bpc = amdgpu_crtc->bpc; 1593 } 1594 1595 /* disable audio prior to setting up hw */ 1596 dig->afmt->pin = dce_v10_0_audio_get_pin(adev); 1597 dce_v10_0_audio_enable(adev, dig->afmt->pin, false); 1598 1599 dce_v10_0_audio_set_dto(encoder, mode->clock); 1600 1601 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1602 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); 1603 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */ 1604 1605 WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000); 1606 1607 tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset); 1608 switch (bpc) { 1609 case 0: 1610 case 6: 1611 case 8: 1612 case 16: 1613 default: 1614 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0); 1615 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0); 1616 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n", 1617 connector->name, bpc); 1618 break; 1619 case 10: 1620 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1621 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1); 1622 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n", 1623 connector->name); 1624 break; 1625 case 12: 1626 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1627 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2); 1628 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n", 1629 connector->name); 1630 break; 1631 } 1632 WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp); 1633 1634 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1635 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */ 1636 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */ 1637 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */ 1638 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); 1639 1640 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1641 /* enable audio info frames (frames won't be set until audio is enabled) */ 1642 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1); 1643 /* required for audio info values to be updated */ 1644 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1); 1645 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1646 1647 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset); 1648 /* required for audio info values to be updated */ 1649 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1); 1650 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1651 1652 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1653 /* anything other than 0 */ 1654 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2); 1655 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1656 1657 WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */ 1658 1659 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1660 /* set the default audio delay */ 1661 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1); 1662 /* should be suffient for all audio modes and small enough for all hblanks */ 1663 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3); 1664 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1665 1666 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1667 /* allow 60958 channel status fields to be updated */ 1668 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1); 1669 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1670 1671 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset); 1672 if (bpc > 8) 1673 /* clear SW CTS value */ 1674 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0); 1675 else 1676 /* select SW CTS value */ 1677 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1); 1678 /* allow hw to sent ACR packets when required */ 1679 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1); 1680 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp); 1681 1682 dce_v10_0_afmt_update_ACR(encoder, mode->clock); 1683 1684 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset); 1685 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1); 1686 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp); 1687 1688 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset); 1689 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2); 1690 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp); 1691 1692 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset); 1693 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3); 1694 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4); 1695 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5); 1696 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6); 1697 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7); 1698 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8); 1699 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp); 1700 1701 dce_v10_0_audio_write_speaker_allocation(encoder); 1702 1703 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, 1704 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT)); 1705 1706 dce_v10_0_afmt_audio_select_pin(encoder); 1707 dce_v10_0_audio_write_sad_regs(encoder); 1708 dce_v10_0_audio_write_latency_fields(encoder, mode); 1709 1710 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode); 1711 if (err < 0) { 1712 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err); 1713 return; 1714 } 1715 1716 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); 1717 if (err < 0) { 1718 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err); 1719 return; 1720 } 1721 1722 dce_v10_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer)); 1723 1724 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1725 /* enable AVI info frames */ 1726 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1); 1727 /* required for audio info values to be updated */ 1728 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1); 1729 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1730 1731 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1732 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2); 1733 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1734 1735 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1736 /* send audio packets */ 1737 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1); 1738 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1739 1740 WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF); 1741 WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF); 1742 WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001); 1743 WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001); 1744 1745 /* enable audio after to setting up hw */ 1746 dce_v10_0_audio_enable(adev, dig->afmt->pin, true); 1747 } 1748 1749 static void dce_v10_0_afmt_enable(struct drm_encoder *encoder, bool enable) 1750 { 1751 struct drm_device *dev = encoder->dev; 1752 struct amdgpu_device *adev = drm_to_adev(dev); 1753 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1754 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1755 1756 if (!dig || !dig->afmt) 1757 return; 1758 1759 /* Silent, r600_hdmi_enable will raise WARN for us */ 1760 if (enable && dig->afmt->enabled) 1761 return; 1762 if (!enable && !dig->afmt->enabled) 1763 return; 1764 1765 if (!enable && dig->afmt->pin) { 1766 dce_v10_0_audio_enable(adev, dig->afmt->pin, false); 1767 dig->afmt->pin = NULL; 1768 } 1769 1770 dig->afmt->enabled = enable; 1771 1772 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n", 1773 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id); 1774 } 1775 1776 static int dce_v10_0_afmt_init(struct amdgpu_device *adev) 1777 { 1778 int i; 1779 1780 for (i = 0; i < adev->mode_info.num_dig; i++) 1781 adev->mode_info.afmt[i] = NULL; 1782 1783 /* DCE10 has audio blocks tied to DIG encoders */ 1784 for (i = 0; i < adev->mode_info.num_dig; i++) { 1785 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL); 1786 if (adev->mode_info.afmt[i]) { 1787 adev->mode_info.afmt[i]->offset = dig_offsets[i]; 1788 adev->mode_info.afmt[i]->id = i; 1789 } else { 1790 int j; 1791 for (j = 0; j < i; j++) { 1792 kfree(adev->mode_info.afmt[j]); 1793 adev->mode_info.afmt[j] = NULL; 1794 } 1795 return -ENOMEM; 1796 } 1797 } 1798 return 0; 1799 } 1800 1801 static void dce_v10_0_afmt_fini(struct amdgpu_device *adev) 1802 { 1803 int i; 1804 1805 for (i = 0; i < adev->mode_info.num_dig; i++) { 1806 kfree(adev->mode_info.afmt[i]); 1807 adev->mode_info.afmt[i] = NULL; 1808 } 1809 } 1810 1811 static const u32 vga_control_regs[6] = 1812 { 1813 mmD1VGA_CONTROL, 1814 mmD2VGA_CONTROL, 1815 mmD3VGA_CONTROL, 1816 mmD4VGA_CONTROL, 1817 mmD5VGA_CONTROL, 1818 mmD6VGA_CONTROL, 1819 }; 1820 1821 static void dce_v10_0_vga_enable(struct drm_crtc *crtc, bool enable) 1822 { 1823 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1824 struct drm_device *dev = crtc->dev; 1825 struct amdgpu_device *adev = drm_to_adev(dev); 1826 u32 vga_control; 1827 1828 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1; 1829 if (enable) 1830 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1); 1831 else 1832 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control); 1833 } 1834 1835 static void dce_v10_0_grph_enable(struct drm_crtc *crtc, bool enable) 1836 { 1837 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1838 struct drm_device *dev = crtc->dev; 1839 struct amdgpu_device *adev = drm_to_adev(dev); 1840 1841 if (enable) 1842 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1); 1843 else 1844 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0); 1845 } 1846 1847 static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc, 1848 struct drm_framebuffer *fb, 1849 int x, int y, int atomic) 1850 { 1851 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1852 struct drm_device *dev = crtc->dev; 1853 struct amdgpu_device *adev = drm_to_adev(dev); 1854 struct drm_framebuffer *target_fb; 1855 struct drm_gem_object *obj; 1856 struct amdgpu_bo *abo; 1857 uint64_t fb_location, tiling_flags; 1858 uint32_t fb_format, fb_pitch_pixels; 1859 u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE); 1860 u32 pipe_config; 1861 u32 tmp, viewport_w, viewport_h; 1862 int r; 1863 bool bypass_lut = false; 1864 struct drm_format_name_buf format_name; 1865 1866 /* no fb bound */ 1867 if (!atomic && !crtc->primary->fb) { 1868 DRM_DEBUG_KMS("No FB bound\n"); 1869 return 0; 1870 } 1871 1872 if (atomic) 1873 target_fb = fb; 1874 else 1875 target_fb = crtc->primary->fb; 1876 1877 /* If atomic, assume fb object is pinned & idle & fenced and 1878 * just update base pointers 1879 */ 1880 obj = target_fb->obj[0]; 1881 abo = gem_to_amdgpu_bo(obj); 1882 r = amdgpu_bo_reserve(abo, false); 1883 if (unlikely(r != 0)) 1884 return r; 1885 1886 if (!atomic) { 1887 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM); 1888 if (unlikely(r != 0)) { 1889 amdgpu_bo_unreserve(abo); 1890 return -EINVAL; 1891 } 1892 } 1893 fb_location = amdgpu_bo_gpu_offset(abo); 1894 1895 amdgpu_bo_get_tiling_flags(abo, &tiling_flags); 1896 amdgpu_bo_unreserve(abo); 1897 1898 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG); 1899 1900 switch (target_fb->format->format) { 1901 case DRM_FORMAT_C8: 1902 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0); 1903 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1904 break; 1905 case DRM_FORMAT_XRGB4444: 1906 case DRM_FORMAT_ARGB4444: 1907 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1908 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2); 1909 #ifdef __BIG_ENDIAN 1910 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1911 ENDIAN_8IN16); 1912 #endif 1913 break; 1914 case DRM_FORMAT_XRGB1555: 1915 case DRM_FORMAT_ARGB1555: 1916 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1917 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1918 #ifdef __BIG_ENDIAN 1919 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1920 ENDIAN_8IN16); 1921 #endif 1922 break; 1923 case DRM_FORMAT_BGRX5551: 1924 case DRM_FORMAT_BGRA5551: 1925 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1926 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5); 1927 #ifdef __BIG_ENDIAN 1928 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1929 ENDIAN_8IN16); 1930 #endif 1931 break; 1932 case DRM_FORMAT_RGB565: 1933 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1934 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 1935 #ifdef __BIG_ENDIAN 1936 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1937 ENDIAN_8IN16); 1938 #endif 1939 break; 1940 case DRM_FORMAT_XRGB8888: 1941 case DRM_FORMAT_ARGB8888: 1942 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1943 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1944 #ifdef __BIG_ENDIAN 1945 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1946 ENDIAN_8IN32); 1947 #endif 1948 break; 1949 case DRM_FORMAT_XRGB2101010: 1950 case DRM_FORMAT_ARGB2101010: 1951 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1952 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 1953 #ifdef __BIG_ENDIAN 1954 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1955 ENDIAN_8IN32); 1956 #endif 1957 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 1958 bypass_lut = true; 1959 break; 1960 case DRM_FORMAT_BGRX1010102: 1961 case DRM_FORMAT_BGRA1010102: 1962 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1963 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4); 1964 #ifdef __BIG_ENDIAN 1965 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1966 ENDIAN_8IN32); 1967 #endif 1968 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 1969 bypass_lut = true; 1970 break; 1971 case DRM_FORMAT_XBGR8888: 1972 case DRM_FORMAT_ABGR8888: 1973 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1974 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1975 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2); 1976 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2); 1977 #ifdef __BIG_ENDIAN 1978 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1979 ENDIAN_8IN32); 1980 #endif 1981 break; 1982 default: 1983 DRM_ERROR("Unsupported screen format %s\n", 1984 drm_get_format_name(target_fb->format->format, &format_name)); 1985 return -EINVAL; 1986 } 1987 1988 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) { 1989 unsigned bankw, bankh, mtaspect, tile_split, num_banks; 1990 1991 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH); 1992 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT); 1993 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT); 1994 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT); 1995 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS); 1996 1997 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks); 1998 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 1999 ARRAY_2D_TILED_THIN1); 2000 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT, 2001 tile_split); 2002 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw); 2003 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh); 2004 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT, 2005 mtaspect); 2006 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE, 2007 ADDR_SURF_MICRO_TILING_DISPLAY); 2008 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) { 2009 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 2010 ARRAY_1D_TILED_THIN1); 2011 } 2012 2013 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG, 2014 pipe_config); 2015 2016 dce_v10_0_vga_enable(crtc, false); 2017 2018 /* Make sure surface address is updated at vertical blank rather than 2019 * horizontal blank 2020 */ 2021 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 2022 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 2023 GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0); 2024 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2025 2026 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2027 upper_32_bits(fb_location)); 2028 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2029 upper_32_bits(fb_location)); 2030 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2031 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK); 2032 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2033 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK); 2034 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); 2035 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap); 2036 2037 /* 2038 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT 2039 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to 2040 * retain the full precision throughout the pipeline. 2041 */ 2042 tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset); 2043 if (bypass_lut) 2044 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1); 2045 else 2046 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0); 2047 WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp); 2048 2049 if (bypass_lut) 2050 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 2051 2052 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0); 2053 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0); 2054 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0); 2055 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0); 2056 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width); 2057 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height); 2058 2059 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0]; 2060 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels); 2061 2062 dce_v10_0_grph_enable(crtc, true); 2063 2064 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset, 2065 target_fb->height); 2066 2067 x &= ~3; 2068 y &= ~1; 2069 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset, 2070 (x << 16) | y); 2071 viewport_w = crtc->mode.hdisplay; 2072 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 2073 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset, 2074 (viewport_w << 16) | viewport_h); 2075 2076 /* set pageflip to happen anywhere in vblank interval */ 2077 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0); 2078 2079 if (!atomic && fb && fb != crtc->primary->fb) { 2080 abo = gem_to_amdgpu_bo(fb->obj[0]); 2081 r = amdgpu_bo_reserve(abo, true); 2082 if (unlikely(r != 0)) 2083 return r; 2084 amdgpu_bo_unpin(abo); 2085 amdgpu_bo_unreserve(abo); 2086 } 2087 2088 /* Bytes per pixel may have changed */ 2089 dce_v10_0_bandwidth_update(adev); 2090 2091 return 0; 2092 } 2093 2094 static void dce_v10_0_set_interleave(struct drm_crtc *crtc, 2095 struct drm_display_mode *mode) 2096 { 2097 struct drm_device *dev = crtc->dev; 2098 struct amdgpu_device *adev = drm_to_adev(dev); 2099 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2100 u32 tmp; 2101 2102 tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset); 2103 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 2104 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1); 2105 else 2106 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0); 2107 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp); 2108 } 2109 2110 static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc) 2111 { 2112 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2113 struct drm_device *dev = crtc->dev; 2114 struct amdgpu_device *adev = drm_to_adev(dev); 2115 u16 *r, *g, *b; 2116 int i; 2117 u32 tmp; 2118 2119 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id); 2120 2121 tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2122 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0); 2123 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0); 2124 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2125 2126 tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset); 2127 tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1); 2128 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2129 2130 tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset); 2131 tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1); 2132 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2133 2134 tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2135 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0); 2136 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0); 2137 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2138 2139 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0); 2140 2141 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0); 2142 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0); 2143 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0); 2144 2145 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff); 2146 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff); 2147 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff); 2148 2149 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0); 2150 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007); 2151 2152 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0); 2153 r = crtc->gamma_store; 2154 g = r + crtc->gamma_size; 2155 b = g + crtc->gamma_size; 2156 for (i = 0; i < 256; i++) { 2157 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset, 2158 ((*r++ & 0xffc0) << 14) | 2159 ((*g++ & 0xffc0) << 4) | 2160 (*b++ >> 6)); 2161 } 2162 2163 tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2164 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0); 2165 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0); 2166 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0); 2167 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2168 2169 tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset); 2170 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0); 2171 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0); 2172 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2173 2174 tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2175 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0); 2176 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0); 2177 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2178 2179 tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2180 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0); 2181 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0); 2182 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2183 2184 /* XXX match this to the depth of the crtc fmt block, move to modeset? */ 2185 WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0); 2186 /* XXX this only needs to be programmed once per crtc at startup, 2187 * not sure where the best place for it is 2188 */ 2189 tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset); 2190 tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1); 2191 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2192 } 2193 2194 static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder) 2195 { 2196 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 2197 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 2198 2199 switch (amdgpu_encoder->encoder_id) { 2200 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 2201 if (dig->linkb) 2202 return 1; 2203 else 2204 return 0; 2205 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 2206 if (dig->linkb) 2207 return 3; 2208 else 2209 return 2; 2210 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 2211 if (dig->linkb) 2212 return 5; 2213 else 2214 return 4; 2215 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 2216 return 6; 2217 default: 2218 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id); 2219 return 0; 2220 } 2221 } 2222 2223 /** 2224 * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc. 2225 * 2226 * @crtc: drm crtc 2227 * 2228 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors 2229 * a single PPLL can be used for all DP crtcs/encoders. For non-DP 2230 * monitors a dedicated PPLL must be used. If a particular board has 2231 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming 2232 * as there is no need to program the PLL itself. If we are not able to 2233 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to 2234 * avoid messing up an existing monitor. 2235 * 2236 * Asic specific PLL information 2237 * 2238 * DCE 10.x 2239 * Tonga 2240 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) 2241 * CI 2242 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 2243 * 2244 */ 2245 static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc) 2246 { 2247 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2248 struct drm_device *dev = crtc->dev; 2249 struct amdgpu_device *adev = drm_to_adev(dev); 2250 u32 pll_in_use; 2251 int pll; 2252 2253 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) { 2254 if (adev->clock.dp_extclk) 2255 /* skip PPLL programming if using ext clock */ 2256 return ATOM_PPLL_INVALID; 2257 else { 2258 /* use the same PPLL for all DP monitors */ 2259 pll = amdgpu_pll_get_shared_dp_ppll(crtc); 2260 if (pll != ATOM_PPLL_INVALID) 2261 return pll; 2262 } 2263 } else { 2264 /* use the same PPLL for all monitors with the same clock */ 2265 pll = amdgpu_pll_get_shared_nondp_ppll(crtc); 2266 if (pll != ATOM_PPLL_INVALID) 2267 return pll; 2268 } 2269 2270 /* DCE10 has PPLL0, PPLL1, and PPLL2 */ 2271 pll_in_use = amdgpu_pll_get_use_mask(crtc); 2272 if (!(pll_in_use & (1 << ATOM_PPLL2))) 2273 return ATOM_PPLL2; 2274 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2275 return ATOM_PPLL1; 2276 if (!(pll_in_use & (1 << ATOM_PPLL0))) 2277 return ATOM_PPLL0; 2278 DRM_ERROR("unable to allocate a PPLL\n"); 2279 return ATOM_PPLL_INVALID; 2280 } 2281 2282 static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock) 2283 { 2284 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2285 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2286 uint32_t cur_lock; 2287 2288 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset); 2289 if (lock) 2290 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1); 2291 else 2292 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0); 2293 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock); 2294 } 2295 2296 static void dce_v10_0_hide_cursor(struct drm_crtc *crtc) 2297 { 2298 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2299 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2300 u32 tmp; 2301 2302 tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2303 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0); 2304 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2305 } 2306 2307 static void dce_v10_0_show_cursor(struct drm_crtc *crtc) 2308 { 2309 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2310 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2311 u32 tmp; 2312 2313 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2314 upper_32_bits(amdgpu_crtc->cursor_addr)); 2315 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2316 lower_32_bits(amdgpu_crtc->cursor_addr)); 2317 2318 tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2319 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1); 2320 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2); 2321 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2322 } 2323 2324 static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc, 2325 int x, int y) 2326 { 2327 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2328 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2329 int xorigin = 0, yorigin = 0; 2330 2331 amdgpu_crtc->cursor_x = x; 2332 amdgpu_crtc->cursor_y = y; 2333 2334 /* avivo cursor are offset into the total surface */ 2335 x += crtc->x; 2336 y += crtc->y; 2337 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y); 2338 2339 if (x < 0) { 2340 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1); 2341 x = 0; 2342 } 2343 if (y < 0) { 2344 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1); 2345 y = 0; 2346 } 2347 2348 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y); 2349 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin); 2350 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset, 2351 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1)); 2352 2353 return 0; 2354 } 2355 2356 static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc, 2357 int x, int y) 2358 { 2359 int ret; 2360 2361 dce_v10_0_lock_cursor(crtc, true); 2362 ret = dce_v10_0_cursor_move_locked(crtc, x, y); 2363 dce_v10_0_lock_cursor(crtc, false); 2364 2365 return ret; 2366 } 2367 2368 static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc, 2369 struct drm_file *file_priv, 2370 uint32_t handle, 2371 uint32_t width, 2372 uint32_t height, 2373 int32_t hot_x, 2374 int32_t hot_y) 2375 { 2376 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2377 struct drm_gem_object *obj; 2378 struct amdgpu_bo *aobj; 2379 int ret; 2380 2381 if (!handle) { 2382 /* turn off cursor */ 2383 dce_v10_0_hide_cursor(crtc); 2384 obj = NULL; 2385 goto unpin; 2386 } 2387 2388 if ((width > amdgpu_crtc->max_cursor_width) || 2389 (height > amdgpu_crtc->max_cursor_height)) { 2390 DRM_ERROR("bad cursor width or height %d x %d\n", width, height); 2391 return -EINVAL; 2392 } 2393 2394 obj = drm_gem_object_lookup(file_priv, handle); 2395 if (!obj) { 2396 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id); 2397 return -ENOENT; 2398 } 2399 2400 aobj = gem_to_amdgpu_bo(obj); 2401 ret = amdgpu_bo_reserve(aobj, false); 2402 if (ret != 0) { 2403 drm_gem_object_put(obj); 2404 return ret; 2405 } 2406 2407 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM); 2408 amdgpu_bo_unreserve(aobj); 2409 if (ret) { 2410 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret); 2411 drm_gem_object_put(obj); 2412 return ret; 2413 } 2414 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj); 2415 2416 dce_v10_0_lock_cursor(crtc, true); 2417 2418 if (width != amdgpu_crtc->cursor_width || 2419 height != amdgpu_crtc->cursor_height || 2420 hot_x != amdgpu_crtc->cursor_hot_x || 2421 hot_y != amdgpu_crtc->cursor_hot_y) { 2422 int x, y; 2423 2424 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x; 2425 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y; 2426 2427 dce_v10_0_cursor_move_locked(crtc, x, y); 2428 2429 amdgpu_crtc->cursor_width = width; 2430 amdgpu_crtc->cursor_height = height; 2431 amdgpu_crtc->cursor_hot_x = hot_x; 2432 amdgpu_crtc->cursor_hot_y = hot_y; 2433 } 2434 2435 dce_v10_0_show_cursor(crtc); 2436 dce_v10_0_lock_cursor(crtc, false); 2437 2438 unpin: 2439 if (amdgpu_crtc->cursor_bo) { 2440 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); 2441 ret = amdgpu_bo_reserve(aobj, true); 2442 if (likely(ret == 0)) { 2443 amdgpu_bo_unpin(aobj); 2444 amdgpu_bo_unreserve(aobj); 2445 } 2446 drm_gem_object_put(amdgpu_crtc->cursor_bo); 2447 } 2448 2449 amdgpu_crtc->cursor_bo = obj; 2450 return 0; 2451 } 2452 2453 static void dce_v10_0_cursor_reset(struct drm_crtc *crtc) 2454 { 2455 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2456 2457 if (amdgpu_crtc->cursor_bo) { 2458 dce_v10_0_lock_cursor(crtc, true); 2459 2460 dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x, 2461 amdgpu_crtc->cursor_y); 2462 2463 dce_v10_0_show_cursor(crtc); 2464 2465 dce_v10_0_lock_cursor(crtc, false); 2466 } 2467 } 2468 2469 static int dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, 2470 u16 *blue, uint32_t size, 2471 struct drm_modeset_acquire_ctx *ctx) 2472 { 2473 dce_v10_0_crtc_load_lut(crtc); 2474 2475 return 0; 2476 } 2477 2478 static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc) 2479 { 2480 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2481 2482 drm_crtc_cleanup(crtc); 2483 kfree(amdgpu_crtc); 2484 } 2485 2486 static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = { 2487 .cursor_set2 = dce_v10_0_crtc_cursor_set2, 2488 .cursor_move = dce_v10_0_crtc_cursor_move, 2489 .gamma_set = dce_v10_0_crtc_gamma_set, 2490 .set_config = amdgpu_display_crtc_set_config, 2491 .destroy = dce_v10_0_crtc_destroy, 2492 .page_flip_target = amdgpu_display_crtc_page_flip_target, 2493 .get_vblank_counter = amdgpu_get_vblank_counter_kms, 2494 .enable_vblank = amdgpu_enable_vblank_kms, 2495 .disable_vblank = amdgpu_disable_vblank_kms, 2496 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp, 2497 }; 2498 2499 static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode) 2500 { 2501 struct drm_device *dev = crtc->dev; 2502 struct amdgpu_device *adev = drm_to_adev(dev); 2503 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2504 unsigned type; 2505 2506 switch (mode) { 2507 case DRM_MODE_DPMS_ON: 2508 amdgpu_crtc->enabled = true; 2509 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE); 2510 dce_v10_0_vga_enable(crtc, true); 2511 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); 2512 dce_v10_0_vga_enable(crtc, false); 2513 /* Make sure VBLANK and PFLIP interrupts are still enabled */ 2514 type = amdgpu_display_crtc_idx_to_irq_type(adev, 2515 amdgpu_crtc->crtc_id); 2516 amdgpu_irq_update(adev, &adev->crtc_irq, type); 2517 amdgpu_irq_update(adev, &adev->pageflip_irq, type); 2518 drm_crtc_vblank_on(crtc); 2519 dce_v10_0_crtc_load_lut(crtc); 2520 break; 2521 case DRM_MODE_DPMS_STANDBY: 2522 case DRM_MODE_DPMS_SUSPEND: 2523 case DRM_MODE_DPMS_OFF: 2524 drm_crtc_vblank_off(crtc); 2525 if (amdgpu_crtc->enabled) { 2526 dce_v10_0_vga_enable(crtc, true); 2527 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE); 2528 dce_v10_0_vga_enable(crtc, false); 2529 } 2530 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE); 2531 amdgpu_crtc->enabled = false; 2532 break; 2533 } 2534 /* adjust pm to dpms */ 2535 amdgpu_pm_compute_clocks(adev); 2536 } 2537 2538 static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc) 2539 { 2540 /* disable crtc pair power gating before programming */ 2541 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE); 2542 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE); 2543 dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2544 } 2545 2546 static void dce_v10_0_crtc_commit(struct drm_crtc *crtc) 2547 { 2548 dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 2549 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE); 2550 } 2551 2552 static void dce_v10_0_crtc_disable(struct drm_crtc *crtc) 2553 { 2554 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2555 struct drm_device *dev = crtc->dev; 2556 struct amdgpu_device *adev = drm_to_adev(dev); 2557 struct amdgpu_atom_ss ss; 2558 int i; 2559 2560 dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2561 if (crtc->primary->fb) { 2562 int r; 2563 struct amdgpu_bo *abo; 2564 2565 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]); 2566 r = amdgpu_bo_reserve(abo, true); 2567 if (unlikely(r)) 2568 DRM_ERROR("failed to reserve abo before unpin\n"); 2569 else { 2570 amdgpu_bo_unpin(abo); 2571 amdgpu_bo_unreserve(abo); 2572 } 2573 } 2574 /* disable the GRPH */ 2575 dce_v10_0_grph_enable(crtc, false); 2576 2577 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE); 2578 2579 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2580 if (adev->mode_info.crtcs[i] && 2581 adev->mode_info.crtcs[i]->enabled && 2582 i != amdgpu_crtc->crtc_id && 2583 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) { 2584 /* one other crtc is using this pll don't turn 2585 * off the pll 2586 */ 2587 goto done; 2588 } 2589 } 2590 2591 switch (amdgpu_crtc->pll_id) { 2592 case ATOM_PPLL0: 2593 case ATOM_PPLL1: 2594 case ATOM_PPLL2: 2595 /* disable the ppll */ 2596 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id, 2597 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2598 break; 2599 default: 2600 break; 2601 } 2602 done: 2603 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2604 amdgpu_crtc->adjusted_clock = 0; 2605 amdgpu_crtc->encoder = NULL; 2606 amdgpu_crtc->connector = NULL; 2607 } 2608 2609 static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc, 2610 struct drm_display_mode *mode, 2611 struct drm_display_mode *adjusted_mode, 2612 int x, int y, struct drm_framebuffer *old_fb) 2613 { 2614 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2615 2616 if (!amdgpu_crtc->adjusted_clock) 2617 return -EINVAL; 2618 2619 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode); 2620 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode); 2621 dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2622 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode); 2623 amdgpu_atombios_crtc_scaler_setup(crtc); 2624 dce_v10_0_cursor_reset(crtc); 2625 /* update the hw version fpr dpm */ 2626 amdgpu_crtc->hw_mode = *adjusted_mode; 2627 2628 return 0; 2629 } 2630 2631 static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc, 2632 const struct drm_display_mode *mode, 2633 struct drm_display_mode *adjusted_mode) 2634 { 2635 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2636 struct drm_device *dev = crtc->dev; 2637 struct drm_encoder *encoder; 2638 2639 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */ 2640 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 2641 if (encoder->crtc == crtc) { 2642 amdgpu_crtc->encoder = encoder; 2643 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder); 2644 break; 2645 } 2646 } 2647 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) { 2648 amdgpu_crtc->encoder = NULL; 2649 amdgpu_crtc->connector = NULL; 2650 return false; 2651 } 2652 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) 2653 return false; 2654 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode)) 2655 return false; 2656 /* pick pll */ 2657 amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc); 2658 /* if we can't get a PPLL for a non-DP encoder, fail */ 2659 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) && 2660 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) 2661 return false; 2662 2663 return true; 2664 } 2665 2666 static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y, 2667 struct drm_framebuffer *old_fb) 2668 { 2669 return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2670 } 2671 2672 static int dce_v10_0_crtc_set_base_atomic(struct drm_crtc *crtc, 2673 struct drm_framebuffer *fb, 2674 int x, int y, enum mode_set_atomic state) 2675 { 2676 return dce_v10_0_crtc_do_set_base(crtc, fb, x, y, 1); 2677 } 2678 2679 static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = { 2680 .dpms = dce_v10_0_crtc_dpms, 2681 .mode_fixup = dce_v10_0_crtc_mode_fixup, 2682 .mode_set = dce_v10_0_crtc_mode_set, 2683 .mode_set_base = dce_v10_0_crtc_set_base, 2684 .mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic, 2685 .prepare = dce_v10_0_crtc_prepare, 2686 .commit = dce_v10_0_crtc_commit, 2687 .disable = dce_v10_0_crtc_disable, 2688 .get_scanout_position = amdgpu_crtc_get_scanout_position, 2689 }; 2690 2691 static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index) 2692 { 2693 struct amdgpu_crtc *amdgpu_crtc; 2694 2695 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) + 2696 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); 2697 if (amdgpu_crtc == NULL) 2698 return -ENOMEM; 2699 2700 drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v10_0_crtc_funcs); 2701 2702 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256); 2703 amdgpu_crtc->crtc_id = index; 2704 adev->mode_info.crtcs[index] = amdgpu_crtc; 2705 2706 amdgpu_crtc->max_cursor_width = 128; 2707 amdgpu_crtc->max_cursor_height = 128; 2708 adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width; 2709 adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height; 2710 2711 switch (amdgpu_crtc->crtc_id) { 2712 case 0: 2713 default: 2714 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET; 2715 break; 2716 case 1: 2717 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET; 2718 break; 2719 case 2: 2720 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET; 2721 break; 2722 case 3: 2723 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET; 2724 break; 2725 case 4: 2726 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET; 2727 break; 2728 case 5: 2729 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET; 2730 break; 2731 } 2732 2733 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2734 amdgpu_crtc->adjusted_clock = 0; 2735 amdgpu_crtc->encoder = NULL; 2736 amdgpu_crtc->connector = NULL; 2737 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs); 2738 2739 return 0; 2740 } 2741 2742 static int dce_v10_0_early_init(void *handle) 2743 { 2744 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2745 2746 adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg; 2747 adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg; 2748 2749 dce_v10_0_set_display_funcs(adev); 2750 2751 adev->mode_info.num_crtc = dce_v10_0_get_num_crtc(adev); 2752 2753 switch (adev->asic_type) { 2754 case CHIP_FIJI: 2755 case CHIP_TONGA: 2756 adev->mode_info.num_hpd = 6; 2757 adev->mode_info.num_dig = 7; 2758 break; 2759 default: 2760 /* FIXME: not supported yet */ 2761 return -EINVAL; 2762 } 2763 2764 dce_v10_0_set_irq_funcs(adev); 2765 2766 return 0; 2767 } 2768 2769 static int dce_v10_0_sw_init(void *handle) 2770 { 2771 int r, i; 2772 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2773 2774 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2775 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq); 2776 if (r) 2777 return r; 2778 } 2779 2780 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) { 2781 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq); 2782 if (r) 2783 return r; 2784 } 2785 2786 /* HPD hotplug */ 2787 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq); 2788 if (r) 2789 return r; 2790 2791 adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs; 2792 2793 adev_to_drm(adev)->mode_config.async_page_flip = true; 2794 2795 adev_to_drm(adev)->mode_config.max_width = 16384; 2796 adev_to_drm(adev)->mode_config.max_height = 16384; 2797 2798 adev_to_drm(adev)->mode_config.preferred_depth = 24; 2799 adev_to_drm(adev)->mode_config.prefer_shadow = 1; 2800 2801 adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base; 2802 2803 r = amdgpu_display_modeset_create_props(adev); 2804 if (r) 2805 return r; 2806 2807 adev_to_drm(adev)->mode_config.max_width = 16384; 2808 adev_to_drm(adev)->mode_config.max_height = 16384; 2809 2810 /* allocate crtcs */ 2811 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2812 r = dce_v10_0_crtc_init(adev, i); 2813 if (r) 2814 return r; 2815 } 2816 2817 if (amdgpu_atombios_get_connector_info_from_object_table(adev)) 2818 amdgpu_display_print_display_setup(adev_to_drm(adev)); 2819 else 2820 return -EINVAL; 2821 2822 /* setup afmt */ 2823 r = dce_v10_0_afmt_init(adev); 2824 if (r) 2825 return r; 2826 2827 r = dce_v10_0_audio_init(adev); 2828 if (r) 2829 return r; 2830 2831 drm_kms_helper_poll_init(adev_to_drm(adev)); 2832 2833 adev->mode_info.mode_config_initialized = true; 2834 return 0; 2835 } 2836 2837 static int dce_v10_0_sw_fini(void *handle) 2838 { 2839 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2840 2841 kfree(adev->mode_info.bios_hardcoded_edid); 2842 2843 drm_kms_helper_poll_fini(adev_to_drm(adev)); 2844 2845 dce_v10_0_audio_fini(adev); 2846 2847 dce_v10_0_afmt_fini(adev); 2848 2849 drm_mode_config_cleanup(adev_to_drm(adev)); 2850 adev->mode_info.mode_config_initialized = false; 2851 2852 return 0; 2853 } 2854 2855 static int dce_v10_0_hw_init(void *handle) 2856 { 2857 int i; 2858 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2859 2860 dce_v10_0_init_golden_registers(adev); 2861 2862 /* disable vga render */ 2863 dce_v10_0_set_vga_render_state(adev, false); 2864 /* init dig PHYs, disp eng pll */ 2865 amdgpu_atombios_encoder_init_dig(adev); 2866 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk); 2867 2868 /* initialize hpd */ 2869 dce_v10_0_hpd_init(adev); 2870 2871 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 2872 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 2873 } 2874 2875 dce_v10_0_pageflip_interrupt_init(adev); 2876 2877 return 0; 2878 } 2879 2880 static int dce_v10_0_hw_fini(void *handle) 2881 { 2882 int i; 2883 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2884 2885 dce_v10_0_hpd_fini(adev); 2886 2887 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 2888 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 2889 } 2890 2891 dce_v10_0_pageflip_interrupt_fini(adev); 2892 2893 return 0; 2894 } 2895 2896 static int dce_v10_0_suspend(void *handle) 2897 { 2898 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2899 2900 adev->mode_info.bl_level = 2901 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev); 2902 2903 return dce_v10_0_hw_fini(handle); 2904 } 2905 2906 static int dce_v10_0_resume(void *handle) 2907 { 2908 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2909 int ret; 2910 2911 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev, 2912 adev->mode_info.bl_level); 2913 2914 ret = dce_v10_0_hw_init(handle); 2915 2916 /* turn on the BL */ 2917 if (adev->mode_info.bl_encoder) { 2918 u8 bl_level = amdgpu_display_backlight_get_level(adev, 2919 adev->mode_info.bl_encoder); 2920 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder, 2921 bl_level); 2922 } 2923 2924 return ret; 2925 } 2926 2927 static bool dce_v10_0_is_idle(void *handle) 2928 { 2929 return true; 2930 } 2931 2932 static int dce_v10_0_wait_for_idle(void *handle) 2933 { 2934 return 0; 2935 } 2936 2937 static bool dce_v10_0_check_soft_reset(void *handle) 2938 { 2939 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2940 2941 return dce_v10_0_is_display_hung(adev); 2942 } 2943 2944 static int dce_v10_0_soft_reset(void *handle) 2945 { 2946 u32 srbm_soft_reset = 0, tmp; 2947 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2948 2949 if (dce_v10_0_is_display_hung(adev)) 2950 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK; 2951 2952 if (srbm_soft_reset) { 2953 tmp = RREG32(mmSRBM_SOFT_RESET); 2954 tmp |= srbm_soft_reset; 2955 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 2956 WREG32(mmSRBM_SOFT_RESET, tmp); 2957 tmp = RREG32(mmSRBM_SOFT_RESET); 2958 2959 udelay(50); 2960 2961 tmp &= ~srbm_soft_reset; 2962 WREG32(mmSRBM_SOFT_RESET, tmp); 2963 tmp = RREG32(mmSRBM_SOFT_RESET); 2964 2965 /* Wait a little for things to settle down */ 2966 udelay(50); 2967 } 2968 return 0; 2969 } 2970 2971 static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev, 2972 int crtc, 2973 enum amdgpu_interrupt_state state) 2974 { 2975 u32 lb_interrupt_mask; 2976 2977 if (crtc >= adev->mode_info.num_crtc) { 2978 DRM_DEBUG("invalid crtc %d\n", crtc); 2979 return; 2980 } 2981 2982 switch (state) { 2983 case AMDGPU_IRQ_STATE_DISABLE: 2984 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 2985 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 2986 VBLANK_INTERRUPT_MASK, 0); 2987 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 2988 break; 2989 case AMDGPU_IRQ_STATE_ENABLE: 2990 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 2991 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 2992 VBLANK_INTERRUPT_MASK, 1); 2993 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 2994 break; 2995 default: 2996 break; 2997 } 2998 } 2999 3000 static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev, 3001 int crtc, 3002 enum amdgpu_interrupt_state state) 3003 { 3004 u32 lb_interrupt_mask; 3005 3006 if (crtc >= adev->mode_info.num_crtc) { 3007 DRM_DEBUG("invalid crtc %d\n", crtc); 3008 return; 3009 } 3010 3011 switch (state) { 3012 case AMDGPU_IRQ_STATE_DISABLE: 3013 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3014 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3015 VLINE_INTERRUPT_MASK, 0); 3016 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3017 break; 3018 case AMDGPU_IRQ_STATE_ENABLE: 3019 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3020 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3021 VLINE_INTERRUPT_MASK, 1); 3022 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3023 break; 3024 default: 3025 break; 3026 } 3027 } 3028 3029 static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev, 3030 struct amdgpu_irq_src *source, 3031 unsigned hpd, 3032 enum amdgpu_interrupt_state state) 3033 { 3034 u32 tmp; 3035 3036 if (hpd >= adev->mode_info.num_hpd) { 3037 DRM_DEBUG("invalid hdp %d\n", hpd); 3038 return 0; 3039 } 3040 3041 switch (state) { 3042 case AMDGPU_IRQ_STATE_DISABLE: 3043 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3044 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 3045 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3046 break; 3047 case AMDGPU_IRQ_STATE_ENABLE: 3048 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3049 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1); 3050 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3051 break; 3052 default: 3053 break; 3054 } 3055 3056 return 0; 3057 } 3058 3059 static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev, 3060 struct amdgpu_irq_src *source, 3061 unsigned type, 3062 enum amdgpu_interrupt_state state) 3063 { 3064 switch (type) { 3065 case AMDGPU_CRTC_IRQ_VBLANK1: 3066 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state); 3067 break; 3068 case AMDGPU_CRTC_IRQ_VBLANK2: 3069 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state); 3070 break; 3071 case AMDGPU_CRTC_IRQ_VBLANK3: 3072 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state); 3073 break; 3074 case AMDGPU_CRTC_IRQ_VBLANK4: 3075 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state); 3076 break; 3077 case AMDGPU_CRTC_IRQ_VBLANK5: 3078 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state); 3079 break; 3080 case AMDGPU_CRTC_IRQ_VBLANK6: 3081 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state); 3082 break; 3083 case AMDGPU_CRTC_IRQ_VLINE1: 3084 dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state); 3085 break; 3086 case AMDGPU_CRTC_IRQ_VLINE2: 3087 dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state); 3088 break; 3089 case AMDGPU_CRTC_IRQ_VLINE3: 3090 dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state); 3091 break; 3092 case AMDGPU_CRTC_IRQ_VLINE4: 3093 dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state); 3094 break; 3095 case AMDGPU_CRTC_IRQ_VLINE5: 3096 dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state); 3097 break; 3098 case AMDGPU_CRTC_IRQ_VLINE6: 3099 dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state); 3100 break; 3101 default: 3102 break; 3103 } 3104 return 0; 3105 } 3106 3107 static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev, 3108 struct amdgpu_irq_src *src, 3109 unsigned type, 3110 enum amdgpu_interrupt_state state) 3111 { 3112 u32 reg; 3113 3114 if (type >= adev->mode_info.num_crtc) { 3115 DRM_ERROR("invalid pageflip crtc %d\n", type); 3116 return -EINVAL; 3117 } 3118 3119 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]); 3120 if (state == AMDGPU_IRQ_STATE_DISABLE) 3121 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3122 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3123 else 3124 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3125 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3126 3127 return 0; 3128 } 3129 3130 static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev, 3131 struct amdgpu_irq_src *source, 3132 struct amdgpu_iv_entry *entry) 3133 { 3134 unsigned long flags; 3135 unsigned crtc_id; 3136 struct amdgpu_crtc *amdgpu_crtc; 3137 struct amdgpu_flip_work *works; 3138 3139 crtc_id = (entry->src_id - 8) >> 1; 3140 amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 3141 3142 if (crtc_id >= adev->mode_info.num_crtc) { 3143 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id); 3144 return -EINVAL; 3145 } 3146 3147 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) & 3148 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK) 3149 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id], 3150 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK); 3151 3152 /* IRQ could occur when in initial stage */ 3153 if (amdgpu_crtc == NULL) 3154 return 0; 3155 3156 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags); 3157 works = amdgpu_crtc->pflip_works; 3158 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) { 3159 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != " 3160 "AMDGPU_FLIP_SUBMITTED(%d)\n", 3161 amdgpu_crtc->pflip_status, 3162 AMDGPU_FLIP_SUBMITTED); 3163 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 3164 return 0; 3165 } 3166 3167 /* page flip completed. clean up */ 3168 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE; 3169 amdgpu_crtc->pflip_works = NULL; 3170 3171 /* wakeup usersapce */ 3172 if (works->event) 3173 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event); 3174 3175 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 3176 3177 drm_crtc_vblank_put(&amdgpu_crtc->base); 3178 schedule_work(&works->unpin_work); 3179 3180 return 0; 3181 } 3182 3183 static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev, 3184 int hpd) 3185 { 3186 u32 tmp; 3187 3188 if (hpd >= adev->mode_info.num_hpd) { 3189 DRM_DEBUG("invalid hdp %d\n", hpd); 3190 return; 3191 } 3192 3193 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3194 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1); 3195 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3196 } 3197 3198 static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev, 3199 int crtc) 3200 { 3201 u32 tmp; 3202 3203 if (crtc >= adev->mode_info.num_crtc) { 3204 DRM_DEBUG("invalid crtc %d\n", crtc); 3205 return; 3206 } 3207 3208 tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]); 3209 tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1); 3210 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp); 3211 } 3212 3213 static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev, 3214 int crtc) 3215 { 3216 u32 tmp; 3217 3218 if (crtc >= adev->mode_info.num_crtc) { 3219 DRM_DEBUG("invalid crtc %d\n", crtc); 3220 return; 3221 } 3222 3223 tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]); 3224 tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1); 3225 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp); 3226 } 3227 3228 static int dce_v10_0_crtc_irq(struct amdgpu_device *adev, 3229 struct amdgpu_irq_src *source, 3230 struct amdgpu_iv_entry *entry) 3231 { 3232 unsigned crtc = entry->src_id - 1; 3233 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg); 3234 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, crtc); 3235 3236 switch (entry->src_data[0]) { 3237 case 0: /* vblank */ 3238 if (disp_int & interrupt_status_offsets[crtc].vblank) 3239 dce_v10_0_crtc_vblank_int_ack(adev, crtc); 3240 else 3241 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3242 3243 if (amdgpu_irq_enabled(adev, source, irq_type)) { 3244 drm_handle_vblank(adev_to_drm(adev), crtc); 3245 } 3246 DRM_DEBUG("IH: D%d vblank\n", crtc + 1); 3247 3248 break; 3249 case 1: /* vline */ 3250 if (disp_int & interrupt_status_offsets[crtc].vline) 3251 dce_v10_0_crtc_vline_int_ack(adev, crtc); 3252 else 3253 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3254 3255 DRM_DEBUG("IH: D%d vline\n", crtc + 1); 3256 3257 break; 3258 default: 3259 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); 3260 break; 3261 } 3262 3263 return 0; 3264 } 3265 3266 static int dce_v10_0_hpd_irq(struct amdgpu_device *adev, 3267 struct amdgpu_irq_src *source, 3268 struct amdgpu_iv_entry *entry) 3269 { 3270 uint32_t disp_int, mask; 3271 unsigned hpd; 3272 3273 if (entry->src_data[0] >= adev->mode_info.num_hpd) { 3274 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); 3275 return 0; 3276 } 3277 3278 hpd = entry->src_data[0]; 3279 disp_int = RREG32(interrupt_status_offsets[hpd].reg); 3280 mask = interrupt_status_offsets[hpd].hpd; 3281 3282 if (disp_int & mask) { 3283 dce_v10_0_hpd_int_ack(adev, hpd); 3284 schedule_work(&adev->hotplug_work); 3285 DRM_DEBUG("IH: HPD%d\n", hpd + 1); 3286 } 3287 3288 return 0; 3289 } 3290 3291 static int dce_v10_0_set_clockgating_state(void *handle, 3292 enum amd_clockgating_state state) 3293 { 3294 return 0; 3295 } 3296 3297 static int dce_v10_0_set_powergating_state(void *handle, 3298 enum amd_powergating_state state) 3299 { 3300 return 0; 3301 } 3302 3303 static const struct amd_ip_funcs dce_v10_0_ip_funcs = { 3304 .name = "dce_v10_0", 3305 .early_init = dce_v10_0_early_init, 3306 .late_init = NULL, 3307 .sw_init = dce_v10_0_sw_init, 3308 .sw_fini = dce_v10_0_sw_fini, 3309 .hw_init = dce_v10_0_hw_init, 3310 .hw_fini = dce_v10_0_hw_fini, 3311 .suspend = dce_v10_0_suspend, 3312 .resume = dce_v10_0_resume, 3313 .is_idle = dce_v10_0_is_idle, 3314 .wait_for_idle = dce_v10_0_wait_for_idle, 3315 .check_soft_reset = dce_v10_0_check_soft_reset, 3316 .soft_reset = dce_v10_0_soft_reset, 3317 .set_clockgating_state = dce_v10_0_set_clockgating_state, 3318 .set_powergating_state = dce_v10_0_set_powergating_state, 3319 }; 3320 3321 static void 3322 dce_v10_0_encoder_mode_set(struct drm_encoder *encoder, 3323 struct drm_display_mode *mode, 3324 struct drm_display_mode *adjusted_mode) 3325 { 3326 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3327 3328 amdgpu_encoder->pixel_clock = adjusted_mode->clock; 3329 3330 /* need to call this here rather than in prepare() since we need some crtc info */ 3331 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3332 3333 /* set scaler clears this on some chips */ 3334 dce_v10_0_set_interleave(encoder->crtc, mode); 3335 3336 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) { 3337 dce_v10_0_afmt_enable(encoder, true); 3338 dce_v10_0_afmt_setmode(encoder, adjusted_mode); 3339 } 3340 } 3341 3342 static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder) 3343 { 3344 struct amdgpu_device *adev = drm_to_adev(encoder->dev); 3345 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3346 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 3347 3348 if ((amdgpu_encoder->active_device & 3349 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) || 3350 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != 3351 ENCODER_OBJECT_ID_NONE)) { 3352 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 3353 if (dig) { 3354 dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder); 3355 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT) 3356 dig->afmt = adev->mode_info.afmt[dig->dig_encoder]; 3357 } 3358 } 3359 3360 amdgpu_atombios_scratch_regs_lock(adev, true); 3361 3362 if (connector) { 3363 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 3364 3365 /* select the clock/data port if it uses a router */ 3366 if (amdgpu_connector->router.cd_valid) 3367 amdgpu_i2c_router_select_cd_port(amdgpu_connector); 3368 3369 /* turn eDP panel on for mode set */ 3370 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) 3371 amdgpu_atombios_encoder_set_edp_panel_power(connector, 3372 ATOM_TRANSMITTER_ACTION_POWER_ON); 3373 } 3374 3375 /* this is needed for the pll/ss setup to work correctly in some cases */ 3376 amdgpu_atombios_encoder_set_crtc_source(encoder); 3377 /* set up the FMT blocks */ 3378 dce_v10_0_program_fmt(encoder); 3379 } 3380 3381 static void dce_v10_0_encoder_commit(struct drm_encoder *encoder) 3382 { 3383 struct drm_device *dev = encoder->dev; 3384 struct amdgpu_device *adev = drm_to_adev(dev); 3385 3386 /* need to call this here as we need the crtc set up */ 3387 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON); 3388 amdgpu_atombios_scratch_regs_lock(adev, false); 3389 } 3390 3391 static void dce_v10_0_encoder_disable(struct drm_encoder *encoder) 3392 { 3393 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3394 struct amdgpu_encoder_atom_dig *dig; 3395 3396 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3397 3398 if (amdgpu_atombios_encoder_is_digital(encoder)) { 3399 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) 3400 dce_v10_0_afmt_enable(encoder, false); 3401 dig = amdgpu_encoder->enc_priv; 3402 dig->dig_encoder = -1; 3403 } 3404 amdgpu_encoder->active_device = 0; 3405 } 3406 3407 /* these are handled by the primary encoders */ 3408 static void dce_v10_0_ext_prepare(struct drm_encoder *encoder) 3409 { 3410 3411 } 3412 3413 static void dce_v10_0_ext_commit(struct drm_encoder *encoder) 3414 { 3415 3416 } 3417 3418 static void 3419 dce_v10_0_ext_mode_set(struct drm_encoder *encoder, 3420 struct drm_display_mode *mode, 3421 struct drm_display_mode *adjusted_mode) 3422 { 3423 3424 } 3425 3426 static void dce_v10_0_ext_disable(struct drm_encoder *encoder) 3427 { 3428 3429 } 3430 3431 static void 3432 dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode) 3433 { 3434 3435 } 3436 3437 static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = { 3438 .dpms = dce_v10_0_ext_dpms, 3439 .prepare = dce_v10_0_ext_prepare, 3440 .mode_set = dce_v10_0_ext_mode_set, 3441 .commit = dce_v10_0_ext_commit, 3442 .disable = dce_v10_0_ext_disable, 3443 /* no detect for TMDS/LVDS yet */ 3444 }; 3445 3446 static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = { 3447 .dpms = amdgpu_atombios_encoder_dpms, 3448 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3449 .prepare = dce_v10_0_encoder_prepare, 3450 .mode_set = dce_v10_0_encoder_mode_set, 3451 .commit = dce_v10_0_encoder_commit, 3452 .disable = dce_v10_0_encoder_disable, 3453 .detect = amdgpu_atombios_encoder_dig_detect, 3454 }; 3455 3456 static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = { 3457 .dpms = amdgpu_atombios_encoder_dpms, 3458 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3459 .prepare = dce_v10_0_encoder_prepare, 3460 .mode_set = dce_v10_0_encoder_mode_set, 3461 .commit = dce_v10_0_encoder_commit, 3462 .detect = amdgpu_atombios_encoder_dac_detect, 3463 }; 3464 3465 static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder) 3466 { 3467 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3468 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3469 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder); 3470 kfree(amdgpu_encoder->enc_priv); 3471 drm_encoder_cleanup(encoder); 3472 kfree(amdgpu_encoder); 3473 } 3474 3475 static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = { 3476 .destroy = dce_v10_0_encoder_destroy, 3477 }; 3478 3479 static void dce_v10_0_encoder_add(struct amdgpu_device *adev, 3480 uint32_t encoder_enum, 3481 uint32_t supported_device, 3482 u16 caps) 3483 { 3484 struct drm_device *dev = adev_to_drm(adev); 3485 struct drm_encoder *encoder; 3486 struct amdgpu_encoder *amdgpu_encoder; 3487 3488 /* see if we already added it */ 3489 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 3490 amdgpu_encoder = to_amdgpu_encoder(encoder); 3491 if (amdgpu_encoder->encoder_enum == encoder_enum) { 3492 amdgpu_encoder->devices |= supported_device; 3493 return; 3494 } 3495 3496 } 3497 3498 /* add a new one */ 3499 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL); 3500 if (!amdgpu_encoder) 3501 return; 3502 3503 encoder = &amdgpu_encoder->base; 3504 switch (adev->mode_info.num_crtc) { 3505 case 1: 3506 encoder->possible_crtcs = 0x1; 3507 break; 3508 case 2: 3509 default: 3510 encoder->possible_crtcs = 0x3; 3511 break; 3512 case 4: 3513 encoder->possible_crtcs = 0xf; 3514 break; 3515 case 6: 3516 encoder->possible_crtcs = 0x3f; 3517 break; 3518 } 3519 3520 amdgpu_encoder->enc_priv = NULL; 3521 3522 amdgpu_encoder->encoder_enum = encoder_enum; 3523 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT; 3524 amdgpu_encoder->devices = supported_device; 3525 amdgpu_encoder->rmx_type = RMX_OFF; 3526 amdgpu_encoder->underscan_type = UNDERSCAN_OFF; 3527 amdgpu_encoder->is_ext_encoder = false; 3528 amdgpu_encoder->caps = caps; 3529 3530 switch (amdgpu_encoder->encoder_id) { 3531 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1: 3532 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2: 3533 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3534 DRM_MODE_ENCODER_DAC, NULL); 3535 drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs); 3536 break; 3537 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 3538 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 3539 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 3540 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 3541 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 3542 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 3543 amdgpu_encoder->rmx_type = RMX_FULL; 3544 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3545 DRM_MODE_ENCODER_LVDS, NULL); 3546 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder); 3547 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) { 3548 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3549 DRM_MODE_ENCODER_DAC, NULL); 3550 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3551 } else { 3552 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3553 DRM_MODE_ENCODER_TMDS, NULL); 3554 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3555 } 3556 drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs); 3557 break; 3558 case ENCODER_OBJECT_ID_SI170B: 3559 case ENCODER_OBJECT_ID_CH7303: 3560 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA: 3561 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB: 3562 case ENCODER_OBJECT_ID_TITFP513: 3563 case ENCODER_OBJECT_ID_VT1623: 3564 case ENCODER_OBJECT_ID_HDMI_SI1930: 3565 case ENCODER_OBJECT_ID_TRAVIS: 3566 case ENCODER_OBJECT_ID_NUTMEG: 3567 /* these are handled by the primary encoders */ 3568 amdgpu_encoder->is_ext_encoder = true; 3569 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3570 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3571 DRM_MODE_ENCODER_LVDS, NULL); 3572 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) 3573 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3574 DRM_MODE_ENCODER_DAC, NULL); 3575 else 3576 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3577 DRM_MODE_ENCODER_TMDS, NULL); 3578 drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs); 3579 break; 3580 } 3581 } 3582 3583 static const struct amdgpu_display_funcs dce_v10_0_display_funcs = { 3584 .bandwidth_update = &dce_v10_0_bandwidth_update, 3585 .vblank_get_counter = &dce_v10_0_vblank_get_counter, 3586 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level, 3587 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level, 3588 .hpd_sense = &dce_v10_0_hpd_sense, 3589 .hpd_set_polarity = &dce_v10_0_hpd_set_polarity, 3590 .hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg, 3591 .page_flip = &dce_v10_0_page_flip, 3592 .page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos, 3593 .add_encoder = &dce_v10_0_encoder_add, 3594 .add_connector = &amdgpu_connector_add, 3595 }; 3596 3597 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev) 3598 { 3599 adev->mode_info.funcs = &dce_v10_0_display_funcs; 3600 } 3601 3602 static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = { 3603 .set = dce_v10_0_set_crtc_irq_state, 3604 .process = dce_v10_0_crtc_irq, 3605 }; 3606 3607 static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = { 3608 .set = dce_v10_0_set_pageflip_irq_state, 3609 .process = dce_v10_0_pageflip_irq, 3610 }; 3611 3612 static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = { 3613 .set = dce_v10_0_set_hpd_irq_state, 3614 .process = dce_v10_0_hpd_irq, 3615 }; 3616 3617 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev) 3618 { 3619 if (adev->mode_info.num_crtc > 0) 3620 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc; 3621 else 3622 adev->crtc_irq.num_types = 0; 3623 adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs; 3624 3625 adev->pageflip_irq.num_types = adev->mode_info.num_crtc; 3626 adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs; 3627 3628 adev->hpd_irq.num_types = adev->mode_info.num_hpd; 3629 adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs; 3630 } 3631 3632 const struct amdgpu_ip_block_version dce_v10_0_ip_block = 3633 { 3634 .type = AMD_IP_BLOCK_TYPE_DCE, 3635 .major = 10, 3636 .minor = 0, 3637 .rev = 0, 3638 .funcs = &dce_v10_0_ip_funcs, 3639 }; 3640 3641 const struct amdgpu_ip_block_version dce_v10_1_ip_block = 3642 { 3643 .type = AMD_IP_BLOCK_TYPE_DCE, 3644 .major = 10, 3645 .minor = 1, 3646 .rev = 0, 3647 .funcs = &dce_v10_0_ip_funcs, 3648 }; 3649