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_edid.h> 25 #include <drm/drm_fourcc.h> 26 #include <drm/drm_modeset_helper.h> 27 #include <drm/drm_modeset_helper_vtables.h> 28 #include <drm/drm_vblank.h> 29 30 #include "amdgpu.h" 31 #include "amdgpu_pm.h" 32 #include "amdgpu_i2c.h" 33 #include "vid.h" 34 #include "atom.h" 35 #include "amdgpu_atombios.h" 36 #include "atombios_crtc.h" 37 #include "atombios_encoders.h" 38 #include "amdgpu_pll.h" 39 #include "amdgpu_connectors.h" 40 #include "amdgpu_display.h" 41 #include "dce_v11_0.h" 42 43 #include "dce/dce_11_0_d.h" 44 #include "dce/dce_11_0_sh_mask.h" 45 #include "dce/dce_11_0_enum.h" 46 #include "oss/oss_3_0_d.h" 47 #include "oss/oss_3_0_sh_mask.h" 48 #include "gmc/gmc_8_1_d.h" 49 #include "gmc/gmc_8_1_sh_mask.h" 50 51 #include "ivsrcid/ivsrcid_vislands30.h" 52 53 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev); 54 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev); 55 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev, int hpd); 56 57 static const u32 crtc_offsets[] = 58 { 59 CRTC0_REGISTER_OFFSET, 60 CRTC1_REGISTER_OFFSET, 61 CRTC2_REGISTER_OFFSET, 62 CRTC3_REGISTER_OFFSET, 63 CRTC4_REGISTER_OFFSET, 64 CRTC5_REGISTER_OFFSET, 65 CRTC6_REGISTER_OFFSET 66 }; 67 68 static const u32 hpd_offsets[] = 69 { 70 HPD0_REGISTER_OFFSET, 71 HPD1_REGISTER_OFFSET, 72 HPD2_REGISTER_OFFSET, 73 HPD3_REGISTER_OFFSET, 74 HPD4_REGISTER_OFFSET, 75 HPD5_REGISTER_OFFSET 76 }; 77 78 static const uint32_t dig_offsets[] = { 79 DIG0_REGISTER_OFFSET, 80 DIG1_REGISTER_OFFSET, 81 DIG2_REGISTER_OFFSET, 82 DIG3_REGISTER_OFFSET, 83 DIG4_REGISTER_OFFSET, 84 DIG5_REGISTER_OFFSET, 85 DIG6_REGISTER_OFFSET, 86 DIG7_REGISTER_OFFSET, 87 DIG8_REGISTER_OFFSET 88 }; 89 90 static const struct { 91 uint32_t reg; 92 uint32_t vblank; 93 uint32_t vline; 94 uint32_t hpd; 95 96 } interrupt_status_offsets[] = { { 97 .reg = mmDISP_INTERRUPT_STATUS, 98 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK, 99 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK, 100 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK 101 }, { 102 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE, 103 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK, 104 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK, 105 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK 106 }, { 107 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2, 108 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK, 109 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK, 110 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK 111 }, { 112 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3, 113 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK, 114 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK, 115 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK 116 }, { 117 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4, 118 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK, 119 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK, 120 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK 121 }, { 122 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5, 123 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK, 124 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK, 125 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK 126 } }; 127 128 static const u32 cz_golden_settings_a11[] = 129 { 130 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000, 131 mmFBC_MISC, 0x1f311fff, 0x14300000, 132 }; 133 134 static const u32 cz_mgcg_cgcg_init[] = 135 { 136 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100, 137 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000, 138 }; 139 140 static const u32 stoney_golden_settings_a11[] = 141 { 142 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000, 143 mmFBC_MISC, 0x1f311fff, 0x14302000, 144 }; 145 146 static const u32 polaris11_golden_settings_a11[] = 147 { 148 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 149 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 150 mmFBC_DEBUG1, 0xffffffff, 0x00000008, 151 mmFBC_MISC, 0x9f313fff, 0x14302008, 152 mmHDMI_CONTROL, 0x313f031f, 0x00000011, 153 }; 154 155 static const u32 polaris10_golden_settings_a11[] = 156 { 157 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 158 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 159 mmFBC_MISC, 0x9f313fff, 0x14302008, 160 mmHDMI_CONTROL, 0x313f031f, 0x00000011, 161 }; 162 163 static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev) 164 { 165 switch (adev->asic_type) { 166 case CHIP_CARRIZO: 167 amdgpu_device_program_register_sequence(adev, 168 cz_mgcg_cgcg_init, 169 ARRAY_SIZE(cz_mgcg_cgcg_init)); 170 amdgpu_device_program_register_sequence(adev, 171 cz_golden_settings_a11, 172 ARRAY_SIZE(cz_golden_settings_a11)); 173 break; 174 case CHIP_STONEY: 175 amdgpu_device_program_register_sequence(adev, 176 stoney_golden_settings_a11, 177 ARRAY_SIZE(stoney_golden_settings_a11)); 178 break; 179 case CHIP_POLARIS11: 180 case CHIP_POLARIS12: 181 amdgpu_device_program_register_sequence(adev, 182 polaris11_golden_settings_a11, 183 ARRAY_SIZE(polaris11_golden_settings_a11)); 184 break; 185 case CHIP_POLARIS10: 186 case CHIP_VEGAM: 187 amdgpu_device_program_register_sequence(adev, 188 polaris10_golden_settings_a11, 189 ARRAY_SIZE(polaris10_golden_settings_a11)); 190 break; 191 default: 192 break; 193 } 194 } 195 196 static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev, 197 u32 block_offset, u32 reg) 198 { 199 unsigned long flags; 200 u32 r; 201 202 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 203 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 204 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset); 205 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 206 207 return r; 208 } 209 210 static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev, 211 u32 block_offset, u32 reg, u32 v) 212 { 213 unsigned long flags; 214 215 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 216 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 217 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v); 218 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 219 } 220 221 static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc) 222 { 223 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) 224 return 0; 225 else 226 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]); 227 } 228 229 static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev) 230 { 231 unsigned i; 232 233 /* Enable pflip interrupts */ 234 for (i = 0; i < adev->mode_info.num_crtc; i++) 235 amdgpu_irq_get(adev, &adev->pageflip_irq, i); 236 } 237 238 static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev) 239 { 240 unsigned i; 241 242 /* Disable pflip interrupts */ 243 for (i = 0; i < adev->mode_info.num_crtc; i++) 244 amdgpu_irq_put(adev, &adev->pageflip_irq, i); 245 } 246 247 /** 248 * dce_v11_0_page_flip - pageflip callback. 249 * 250 * @adev: amdgpu_device pointer 251 * @crtc_id: crtc to cleanup pageflip on 252 * @crtc_base: new address of the crtc (GPU MC address) 253 * @async: asynchronous flip 254 * 255 * Triggers the actual pageflip by updating the primary 256 * surface base address. 257 */ 258 static void dce_v11_0_page_flip(struct amdgpu_device *adev, 259 int crtc_id, u64 crtc_base, bool async) 260 { 261 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 262 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb; 263 u32 tmp; 264 265 /* flip immediate for async, default is vsync */ 266 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 267 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 268 GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0); 269 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 270 /* update pitch */ 271 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, 272 fb->pitches[0] / fb->format->cpp[0]); 273 /* update the scanout addresses */ 274 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 275 upper_32_bits(crtc_base)); 276 /* writing to the low address triggers the update */ 277 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 278 lower_32_bits(crtc_base)); 279 /* post the write */ 280 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset); 281 } 282 283 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, 284 u32 *vbl, u32 *position) 285 { 286 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc)) 287 return -EINVAL; 288 289 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]); 290 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 291 292 return 0; 293 } 294 295 /** 296 * dce_v11_0_hpd_sense - hpd sense callback. 297 * 298 * @adev: amdgpu_device pointer 299 * @hpd: hpd (hotplug detect) pin 300 * 301 * Checks if a digital monitor is connected (evergreen+). 302 * Returns true if connected, false if not connected. 303 */ 304 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev, 305 enum amdgpu_hpd_id hpd) 306 { 307 bool connected = false; 308 309 if (hpd >= adev->mode_info.num_hpd) 310 return connected; 311 312 if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) & 313 DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK) 314 connected = true; 315 316 return connected; 317 } 318 319 /** 320 * dce_v11_0_hpd_set_polarity - hpd set polarity callback. 321 * 322 * @adev: amdgpu_device pointer 323 * @hpd: hpd (hotplug detect) pin 324 * 325 * Set the polarity of the hpd pin (evergreen+). 326 */ 327 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev, 328 enum amdgpu_hpd_id hpd) 329 { 330 u32 tmp; 331 bool connected = dce_v11_0_hpd_sense(adev, hpd); 332 333 if (hpd >= adev->mode_info.num_hpd) 334 return; 335 336 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 337 if (connected) 338 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0); 339 else 340 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1); 341 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 342 } 343 344 /** 345 * dce_v11_0_hpd_init - hpd setup callback. 346 * 347 * @adev: amdgpu_device pointer 348 * 349 * Setup the hpd pins used by the card (evergreen+). 350 * Enable the pin, set the polarity, and enable the hpd interrupts. 351 */ 352 static void dce_v11_0_hpd_init(struct amdgpu_device *adev) 353 { 354 struct drm_device *dev = adev_to_drm(adev); 355 struct drm_connector *connector; 356 struct drm_connector_list_iter iter; 357 u32 tmp; 358 359 drm_connector_list_iter_begin(dev, &iter); 360 drm_for_each_connector_iter(connector, &iter) { 361 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 362 363 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 364 continue; 365 366 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 367 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { 368 /* don't try to enable hpd on eDP or LVDS avoid breaking the 369 * aux dp channel on imac and help (but not completely fix) 370 * https://bugzilla.redhat.com/show_bug.cgi?id=726143 371 * also avoid interrupt storms during dpms. 372 */ 373 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 374 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 375 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 376 continue; 377 } 378 379 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 380 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1); 381 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 382 383 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]); 384 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 385 DC_HPD_CONNECT_INT_DELAY, 386 AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS); 387 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 388 DC_HPD_DISCONNECT_INT_DELAY, 389 AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS); 390 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 391 392 dce_v11_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd); 393 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); 394 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); 395 } 396 drm_connector_list_iter_end(&iter); 397 } 398 399 /** 400 * dce_v11_0_hpd_fini - hpd tear down callback. 401 * 402 * @adev: amdgpu_device pointer 403 * 404 * Tear down the hpd pins used by the card (evergreen+). 405 * Disable the hpd interrupts. 406 */ 407 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev) 408 { 409 struct drm_device *dev = adev_to_drm(adev); 410 struct drm_connector *connector; 411 struct drm_connector_list_iter iter; 412 u32 tmp; 413 414 drm_connector_list_iter_begin(dev, &iter); 415 drm_for_each_connector_iter(connector, &iter) { 416 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 417 418 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 419 continue; 420 421 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 422 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0); 423 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 424 425 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); 426 } 427 drm_connector_list_iter_end(&iter); 428 } 429 430 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev) 431 { 432 return mmDC_GPIO_HPD_A; 433 } 434 435 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev) 436 { 437 u32 crtc_hung = 0; 438 u32 crtc_status[6]; 439 u32 i, j, tmp; 440 441 for (i = 0; i < adev->mode_info.num_crtc; i++) { 442 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 443 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) { 444 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 445 crtc_hung |= (1 << i); 446 } 447 } 448 449 for (j = 0; j < 10; j++) { 450 for (i = 0; i < adev->mode_info.num_crtc; i++) { 451 if (crtc_hung & (1 << i)) { 452 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 453 if (tmp != crtc_status[i]) 454 crtc_hung &= ~(1 << i); 455 } 456 } 457 if (crtc_hung == 0) 458 return false; 459 udelay(100); 460 } 461 462 return true; 463 } 464 465 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev, 466 bool render) 467 { 468 u32 tmp; 469 470 /* Lockout access through VGA aperture*/ 471 tmp = RREG32(mmVGA_HDP_CONTROL); 472 if (render) 473 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0); 474 else 475 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); 476 WREG32(mmVGA_HDP_CONTROL, tmp); 477 478 /* disable VGA render */ 479 tmp = RREG32(mmVGA_RENDER_CONTROL); 480 if (render) 481 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1); 482 else 483 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 484 WREG32(mmVGA_RENDER_CONTROL, tmp); 485 } 486 487 static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev) 488 { 489 int num_crtc = 0; 490 491 switch (adev->asic_type) { 492 case CHIP_CARRIZO: 493 num_crtc = 3; 494 break; 495 case CHIP_STONEY: 496 num_crtc = 2; 497 break; 498 case CHIP_POLARIS10: 499 case CHIP_VEGAM: 500 num_crtc = 6; 501 break; 502 case CHIP_POLARIS11: 503 case CHIP_POLARIS12: 504 num_crtc = 5; 505 break; 506 default: 507 num_crtc = 0; 508 } 509 return num_crtc; 510 } 511 512 void dce_v11_0_disable_dce(struct amdgpu_device *adev) 513 { 514 /*Disable VGA render and enabled crtc, if has DCE engine*/ 515 if (amdgpu_atombios_has_dce_engine_info(adev)) { 516 u32 tmp; 517 int crtc_enabled, i; 518 519 dce_v11_0_set_vga_render_state(adev, false); 520 521 /*Disable crtc*/ 522 for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) { 523 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]), 524 CRTC_CONTROL, CRTC_MASTER_EN); 525 if (crtc_enabled) { 526 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1); 527 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 528 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0); 529 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp); 530 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0); 531 } 532 } 533 } 534 } 535 536 static void dce_v11_0_program_fmt(struct drm_encoder *encoder) 537 { 538 struct drm_device *dev = encoder->dev; 539 struct amdgpu_device *adev = drm_to_adev(dev); 540 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 541 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 542 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 543 int bpc = 0; 544 u32 tmp = 0; 545 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE; 546 547 if (connector) { 548 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 549 bpc = amdgpu_connector_get_monitor_bpc(connector); 550 dither = amdgpu_connector->dither; 551 } 552 553 /* LVDS/eDP FMT is set up by atom */ 554 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 555 return; 556 557 /* not needed for analog */ 558 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) || 559 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2)) 560 return; 561 562 if (bpc == 0) 563 return; 564 565 switch (bpc) { 566 case 6: 567 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 568 /* XXX sort out optimal dither settings */ 569 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 570 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 571 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 572 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0); 573 } else { 574 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 575 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0); 576 } 577 break; 578 case 8: 579 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 580 /* XXX sort out optimal dither settings */ 581 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 582 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 583 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 584 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 585 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1); 586 } else { 587 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 588 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1); 589 } 590 break; 591 case 10: 592 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 593 /* XXX sort out optimal dither settings */ 594 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 595 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 596 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 597 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 598 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2); 599 } else { 600 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 601 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2); 602 } 603 break; 604 default: 605 /* not needed */ 606 break; 607 } 608 609 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 610 } 611 612 613 /* display watermark setup */ 614 /** 615 * dce_v11_0_line_buffer_adjust - Set up the line buffer 616 * 617 * @adev: amdgpu_device pointer 618 * @amdgpu_crtc: the selected display controller 619 * @mode: the current display mode on the selected display 620 * controller 621 * 622 * Setup up the line buffer allocation for 623 * the selected display controller (CIK). 624 * Returns the line buffer size in pixels. 625 */ 626 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev, 627 struct amdgpu_crtc *amdgpu_crtc, 628 struct drm_display_mode *mode) 629 { 630 u32 tmp, buffer_alloc, i, mem_cfg; 631 u32 pipe_offset = amdgpu_crtc->crtc_id; 632 /* 633 * Line Buffer Setup 634 * There are 6 line buffers, one for each display controllers. 635 * There are 3 partitions per LB. Select the number of partitions 636 * to enable based on the display width. For display widths larger 637 * than 4096, you need use to use 2 display controllers and combine 638 * them using the stereo blender. 639 */ 640 if (amdgpu_crtc->base.enabled && mode) { 641 if (mode->crtc_hdisplay < 1920) { 642 mem_cfg = 1; 643 buffer_alloc = 2; 644 } else if (mode->crtc_hdisplay < 2560) { 645 mem_cfg = 2; 646 buffer_alloc = 2; 647 } else if (mode->crtc_hdisplay < 4096) { 648 mem_cfg = 0; 649 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 650 } else { 651 DRM_DEBUG_KMS("Mode too big for LB!\n"); 652 mem_cfg = 0; 653 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 654 } 655 } else { 656 mem_cfg = 1; 657 buffer_alloc = 0; 658 } 659 660 tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset); 661 tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg); 662 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp); 663 664 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 665 tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc); 666 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp); 667 668 for (i = 0; i < adev->usec_timeout; i++) { 669 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 670 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED)) 671 break; 672 udelay(1); 673 } 674 675 if (amdgpu_crtc->base.enabled && mode) { 676 switch (mem_cfg) { 677 case 0: 678 default: 679 return 4096 * 2; 680 case 1: 681 return 1920 * 2; 682 case 2: 683 return 2560 * 2; 684 } 685 } 686 687 /* controller not enabled, so no lb used */ 688 return 0; 689 } 690 691 /** 692 * cik_get_number_of_dram_channels - get the number of dram channels 693 * 694 * @adev: amdgpu_device pointer 695 * 696 * Look up the number of video ram channels (CIK). 697 * Used for display watermark bandwidth calculations 698 * Returns the number of dram channels 699 */ 700 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev) 701 { 702 u32 tmp = RREG32(mmMC_SHARED_CHMAP); 703 704 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) { 705 case 0: 706 default: 707 return 1; 708 case 1: 709 return 2; 710 case 2: 711 return 4; 712 case 3: 713 return 8; 714 case 4: 715 return 3; 716 case 5: 717 return 6; 718 case 6: 719 return 10; 720 case 7: 721 return 12; 722 case 8: 723 return 16; 724 } 725 } 726 727 struct dce10_wm_params { 728 u32 dram_channels; /* number of dram channels */ 729 u32 yclk; /* bandwidth per dram data pin in kHz */ 730 u32 sclk; /* engine clock in kHz */ 731 u32 disp_clk; /* display clock in kHz */ 732 u32 src_width; /* viewport width */ 733 u32 active_time; /* active display time in ns */ 734 u32 blank_time; /* blank time in ns */ 735 bool interlaced; /* mode is interlaced */ 736 fixed20_12 vsc; /* vertical scale ratio */ 737 u32 num_heads; /* number of active crtcs */ 738 u32 bytes_per_pixel; /* bytes per pixel display + overlay */ 739 u32 lb_size; /* line buffer allocated to pipe */ 740 u32 vtaps; /* vertical scaler taps */ 741 }; 742 743 /** 744 * dce_v11_0_dram_bandwidth - get the dram bandwidth 745 * 746 * @wm: watermark calculation data 747 * 748 * Calculate the raw dram bandwidth (CIK). 749 * Used for display watermark bandwidth calculations 750 * Returns the dram bandwidth in MBytes/s 751 */ 752 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm) 753 { 754 /* Calculate raw DRAM Bandwidth */ 755 fixed20_12 dram_efficiency; /* 0.7 */ 756 fixed20_12 yclk, dram_channels, bandwidth; 757 fixed20_12 a; 758 759 a.full = dfixed_const(1000); 760 yclk.full = dfixed_const(wm->yclk); 761 yclk.full = dfixed_div(yclk, a); 762 dram_channels.full = dfixed_const(wm->dram_channels * 4); 763 a.full = dfixed_const(10); 764 dram_efficiency.full = dfixed_const(7); 765 dram_efficiency.full = dfixed_div(dram_efficiency, a); 766 bandwidth.full = dfixed_mul(dram_channels, yclk); 767 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency); 768 769 return dfixed_trunc(bandwidth); 770 } 771 772 /** 773 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display 774 * 775 * @wm: watermark calculation data 776 * 777 * Calculate the dram bandwidth used for display (CIK). 778 * Used for display watermark bandwidth calculations 779 * Returns the dram bandwidth for display in MBytes/s 780 */ 781 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm) 782 { 783 /* Calculate DRAM Bandwidth and the part allocated to display. */ 784 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */ 785 fixed20_12 yclk, dram_channels, bandwidth; 786 fixed20_12 a; 787 788 a.full = dfixed_const(1000); 789 yclk.full = dfixed_const(wm->yclk); 790 yclk.full = dfixed_div(yclk, a); 791 dram_channels.full = dfixed_const(wm->dram_channels * 4); 792 a.full = dfixed_const(10); 793 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */ 794 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a); 795 bandwidth.full = dfixed_mul(dram_channels, yclk); 796 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation); 797 798 return dfixed_trunc(bandwidth); 799 } 800 801 /** 802 * dce_v11_0_data_return_bandwidth - get the data return bandwidth 803 * 804 * @wm: watermark calculation data 805 * 806 * Calculate the data return bandwidth used for display (CIK). 807 * Used for display watermark bandwidth calculations 808 * Returns the data return bandwidth in MBytes/s 809 */ 810 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm) 811 { 812 /* Calculate the display Data return Bandwidth */ 813 fixed20_12 return_efficiency; /* 0.8 */ 814 fixed20_12 sclk, bandwidth; 815 fixed20_12 a; 816 817 a.full = dfixed_const(1000); 818 sclk.full = dfixed_const(wm->sclk); 819 sclk.full = dfixed_div(sclk, a); 820 a.full = dfixed_const(10); 821 return_efficiency.full = dfixed_const(8); 822 return_efficiency.full = dfixed_div(return_efficiency, a); 823 a.full = dfixed_const(32); 824 bandwidth.full = dfixed_mul(a, sclk); 825 bandwidth.full = dfixed_mul(bandwidth, return_efficiency); 826 827 return dfixed_trunc(bandwidth); 828 } 829 830 /** 831 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth 832 * 833 * @wm: watermark calculation data 834 * 835 * Calculate the dmif bandwidth used for display (CIK). 836 * Used for display watermark bandwidth calculations 837 * Returns the dmif bandwidth in MBytes/s 838 */ 839 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm) 840 { 841 /* Calculate the DMIF Request Bandwidth */ 842 fixed20_12 disp_clk_request_efficiency; /* 0.8 */ 843 fixed20_12 disp_clk, bandwidth; 844 fixed20_12 a, b; 845 846 a.full = dfixed_const(1000); 847 disp_clk.full = dfixed_const(wm->disp_clk); 848 disp_clk.full = dfixed_div(disp_clk, a); 849 a.full = dfixed_const(32); 850 b.full = dfixed_mul(a, disp_clk); 851 852 a.full = dfixed_const(10); 853 disp_clk_request_efficiency.full = dfixed_const(8); 854 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a); 855 856 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency); 857 858 return dfixed_trunc(bandwidth); 859 } 860 861 /** 862 * dce_v11_0_available_bandwidth - get the min available bandwidth 863 * 864 * @wm: watermark calculation data 865 * 866 * Calculate the min available bandwidth used for display (CIK). 867 * Used for display watermark bandwidth calculations 868 * Returns the min available bandwidth in MBytes/s 869 */ 870 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm) 871 { 872 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */ 873 u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm); 874 u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm); 875 u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm); 876 877 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth)); 878 } 879 880 /** 881 * dce_v11_0_average_bandwidth - get the average available bandwidth 882 * 883 * @wm: watermark calculation data 884 * 885 * Calculate the average available bandwidth used for display (CIK). 886 * Used for display watermark bandwidth calculations 887 * Returns the average available bandwidth in MBytes/s 888 */ 889 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm) 890 { 891 /* Calculate the display mode Average Bandwidth 892 * DisplayMode should contain the source and destination dimensions, 893 * timing, etc. 894 */ 895 fixed20_12 bpp; 896 fixed20_12 line_time; 897 fixed20_12 src_width; 898 fixed20_12 bandwidth; 899 fixed20_12 a; 900 901 a.full = dfixed_const(1000); 902 line_time.full = dfixed_const(wm->active_time + wm->blank_time); 903 line_time.full = dfixed_div(line_time, a); 904 bpp.full = dfixed_const(wm->bytes_per_pixel); 905 src_width.full = dfixed_const(wm->src_width); 906 bandwidth.full = dfixed_mul(src_width, bpp); 907 bandwidth.full = dfixed_mul(bandwidth, wm->vsc); 908 bandwidth.full = dfixed_div(bandwidth, line_time); 909 910 return dfixed_trunc(bandwidth); 911 } 912 913 /** 914 * dce_v11_0_latency_watermark - get the latency watermark 915 * 916 * @wm: watermark calculation data 917 * 918 * Calculate the latency watermark (CIK). 919 * Used for display watermark bandwidth calculations 920 * Returns the latency watermark in ns 921 */ 922 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm) 923 { 924 /* First calculate the latency in ns */ 925 u32 mc_latency = 2000; /* 2000 ns. */ 926 u32 available_bandwidth = dce_v11_0_available_bandwidth(wm); 927 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth; 928 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth; 929 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */ 930 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) + 931 (wm->num_heads * cursor_line_pair_return_time); 932 u32 latency = mc_latency + other_heads_data_return_time + dc_latency; 933 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time; 934 u32 tmp, dmif_size = 12288; 935 fixed20_12 a, b, c; 936 937 if (wm->num_heads == 0) 938 return 0; 939 940 a.full = dfixed_const(2); 941 b.full = dfixed_const(1); 942 if ((wm->vsc.full > a.full) || 943 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) || 944 (wm->vtaps >= 5) || 945 ((wm->vsc.full >= a.full) && wm->interlaced)) 946 max_src_lines_per_dst_line = 4; 947 else 948 max_src_lines_per_dst_line = 2; 949 950 a.full = dfixed_const(available_bandwidth); 951 b.full = dfixed_const(wm->num_heads); 952 a.full = dfixed_div(a, b); 953 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512); 954 tmp = min(dfixed_trunc(a), tmp); 955 956 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000); 957 958 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel); 959 b.full = dfixed_const(1000); 960 c.full = dfixed_const(lb_fill_bw); 961 b.full = dfixed_div(c, b); 962 a.full = dfixed_div(a, b); 963 line_fill_time = dfixed_trunc(a); 964 965 if (line_fill_time < wm->active_time) 966 return latency; 967 else 968 return latency + (line_fill_time - wm->active_time); 969 970 } 971 972 /** 973 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check 974 * average and available dram bandwidth 975 * 976 * @wm: watermark calculation data 977 * 978 * Check if the display average bandwidth fits in the display 979 * dram bandwidth (CIK). 980 * Used for display watermark bandwidth calculations 981 * Returns true if the display fits, false if not. 982 */ 983 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm) 984 { 985 if (dce_v11_0_average_bandwidth(wm) <= 986 (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads)) 987 return true; 988 else 989 return false; 990 } 991 992 /** 993 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check 994 * average and available bandwidth 995 * 996 * @wm: watermark calculation data 997 * 998 * Check if the display average bandwidth fits in the display 999 * available bandwidth (CIK). 1000 * Used for display watermark bandwidth calculations 1001 * Returns true if the display fits, false if not. 1002 */ 1003 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm) 1004 { 1005 if (dce_v11_0_average_bandwidth(wm) <= 1006 (dce_v11_0_available_bandwidth(wm) / wm->num_heads)) 1007 return true; 1008 else 1009 return false; 1010 } 1011 1012 /** 1013 * dce_v11_0_check_latency_hiding - check latency hiding 1014 * 1015 * @wm: watermark calculation data 1016 * 1017 * Check latency hiding (CIK). 1018 * Used for display watermark bandwidth calculations 1019 * Returns true if the display fits, false if not. 1020 */ 1021 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm) 1022 { 1023 u32 lb_partitions = wm->lb_size / wm->src_width; 1024 u32 line_time = wm->active_time + wm->blank_time; 1025 u32 latency_tolerant_lines; 1026 u32 latency_hiding; 1027 fixed20_12 a; 1028 1029 a.full = dfixed_const(1); 1030 if (wm->vsc.full > a.full) 1031 latency_tolerant_lines = 1; 1032 else { 1033 if (lb_partitions <= (wm->vtaps + 1)) 1034 latency_tolerant_lines = 1; 1035 else 1036 latency_tolerant_lines = 2; 1037 } 1038 1039 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time); 1040 1041 if (dce_v11_0_latency_watermark(wm) <= latency_hiding) 1042 return true; 1043 else 1044 return false; 1045 } 1046 1047 /** 1048 * dce_v11_0_program_watermarks - program display watermarks 1049 * 1050 * @adev: amdgpu_device pointer 1051 * @amdgpu_crtc: the selected display controller 1052 * @lb_size: line buffer size 1053 * @num_heads: number of display controllers in use 1054 * 1055 * Calculate and program the display watermarks for the 1056 * selected display controller (CIK). 1057 */ 1058 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev, 1059 struct amdgpu_crtc *amdgpu_crtc, 1060 u32 lb_size, u32 num_heads) 1061 { 1062 struct drm_display_mode *mode = &amdgpu_crtc->base.mode; 1063 struct dce10_wm_params wm_low, wm_high; 1064 u32 active_time; 1065 u32 line_time = 0; 1066 u32 latency_watermark_a = 0, latency_watermark_b = 0; 1067 u32 tmp, wm_mask, lb_vblank_lead_lines = 0; 1068 1069 if (amdgpu_crtc->base.enabled && num_heads && mode) { 1070 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000, 1071 (u32)mode->clock); 1072 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000, 1073 (u32)mode->clock); 1074 line_time = min_t(u32, line_time, 65535); 1075 1076 /* watermark for high clocks */ 1077 if (adev->pm.dpm_enabled) { 1078 wm_high.yclk = 1079 amdgpu_dpm_get_mclk(adev, false) * 10; 1080 wm_high.sclk = 1081 amdgpu_dpm_get_sclk(adev, false) * 10; 1082 } else { 1083 wm_high.yclk = adev->pm.current_mclk * 10; 1084 wm_high.sclk = adev->pm.current_sclk * 10; 1085 } 1086 1087 wm_high.disp_clk = mode->clock; 1088 wm_high.src_width = mode->crtc_hdisplay; 1089 wm_high.active_time = active_time; 1090 wm_high.blank_time = line_time - wm_high.active_time; 1091 wm_high.interlaced = false; 1092 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1093 wm_high.interlaced = true; 1094 wm_high.vsc = amdgpu_crtc->vsc; 1095 wm_high.vtaps = 1; 1096 if (amdgpu_crtc->rmx_type != RMX_OFF) 1097 wm_high.vtaps = 2; 1098 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1099 wm_high.lb_size = lb_size; 1100 wm_high.dram_channels = cik_get_number_of_dram_channels(adev); 1101 wm_high.num_heads = num_heads; 1102 1103 /* set for high clocks */ 1104 latency_watermark_a = min_t(u32, dce_v11_0_latency_watermark(&wm_high), 65535); 1105 1106 /* possibly force display priority to high */ 1107 /* should really do this at mode validation time... */ 1108 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) || 1109 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) || 1110 !dce_v11_0_check_latency_hiding(&wm_high) || 1111 (adev->mode_info.disp_priority == 2)) { 1112 DRM_DEBUG_KMS("force priority to high\n"); 1113 } 1114 1115 /* watermark for low clocks */ 1116 if (adev->pm.dpm_enabled) { 1117 wm_low.yclk = 1118 amdgpu_dpm_get_mclk(adev, true) * 10; 1119 wm_low.sclk = 1120 amdgpu_dpm_get_sclk(adev, true) * 10; 1121 } else { 1122 wm_low.yclk = adev->pm.current_mclk * 10; 1123 wm_low.sclk = adev->pm.current_sclk * 10; 1124 } 1125 1126 wm_low.disp_clk = mode->clock; 1127 wm_low.src_width = mode->crtc_hdisplay; 1128 wm_low.active_time = active_time; 1129 wm_low.blank_time = line_time - wm_low.active_time; 1130 wm_low.interlaced = false; 1131 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1132 wm_low.interlaced = true; 1133 wm_low.vsc = amdgpu_crtc->vsc; 1134 wm_low.vtaps = 1; 1135 if (amdgpu_crtc->rmx_type != RMX_OFF) 1136 wm_low.vtaps = 2; 1137 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1138 wm_low.lb_size = lb_size; 1139 wm_low.dram_channels = cik_get_number_of_dram_channels(adev); 1140 wm_low.num_heads = num_heads; 1141 1142 /* set for low clocks */ 1143 latency_watermark_b = min_t(u32, dce_v11_0_latency_watermark(&wm_low), 65535); 1144 1145 /* possibly force display priority to high */ 1146 /* should really do this at mode validation time... */ 1147 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) || 1148 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) || 1149 !dce_v11_0_check_latency_hiding(&wm_low) || 1150 (adev->mode_info.disp_priority == 2)) { 1151 DRM_DEBUG_KMS("force priority to high\n"); 1152 } 1153 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); 1154 } 1155 1156 /* select wm A */ 1157 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset); 1158 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1); 1159 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1160 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1161 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a); 1162 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1163 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1164 /* select wm B */ 1165 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2); 1166 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1167 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1168 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b); 1169 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1170 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1171 /* restore original selection */ 1172 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask); 1173 1174 /* save values for DPM */ 1175 amdgpu_crtc->line_time = line_time; 1176 amdgpu_crtc->wm_high = latency_watermark_a; 1177 amdgpu_crtc->wm_low = latency_watermark_b; 1178 /* Save number of lines the linebuffer leads before the scanout */ 1179 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; 1180 } 1181 1182 /** 1183 * dce_v11_0_bandwidth_update - program display watermarks 1184 * 1185 * @adev: amdgpu_device pointer 1186 * 1187 * Calculate and program the display watermarks and line 1188 * buffer allocation (CIK). 1189 */ 1190 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev) 1191 { 1192 struct drm_display_mode *mode = NULL; 1193 u32 num_heads = 0, lb_size; 1194 int i; 1195 1196 amdgpu_display_update_priority(adev); 1197 1198 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1199 if (adev->mode_info.crtcs[i]->base.enabled) 1200 num_heads++; 1201 } 1202 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1203 mode = &adev->mode_info.crtcs[i]->base.mode; 1204 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode); 1205 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i], 1206 lb_size, num_heads); 1207 } 1208 } 1209 1210 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev) 1211 { 1212 int i; 1213 u32 offset, tmp; 1214 1215 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1216 offset = adev->mode_info.audio.pin[i].offset; 1217 tmp = RREG32_AUDIO_ENDPT(offset, 1218 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT); 1219 if (((tmp & 1220 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >> 1221 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1) 1222 adev->mode_info.audio.pin[i].connected = false; 1223 else 1224 adev->mode_info.audio.pin[i].connected = true; 1225 } 1226 } 1227 1228 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev) 1229 { 1230 int i; 1231 1232 dce_v11_0_audio_get_connected_pins(adev); 1233 1234 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1235 if (adev->mode_info.audio.pin[i].connected) 1236 return &adev->mode_info.audio.pin[i]; 1237 } 1238 DRM_ERROR("No connected audio pins found!\n"); 1239 return NULL; 1240 } 1241 1242 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder) 1243 { 1244 struct amdgpu_device *adev = drm_to_adev(encoder->dev); 1245 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1246 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1247 u32 tmp; 1248 1249 if (!dig || !dig->afmt || !dig->afmt->pin) 1250 return; 1251 1252 tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset); 1253 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id); 1254 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp); 1255 } 1256 1257 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder, 1258 struct drm_display_mode *mode) 1259 { 1260 struct drm_device *dev = encoder->dev; 1261 struct amdgpu_device *adev = drm_to_adev(dev); 1262 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1263 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1264 struct drm_connector *connector; 1265 struct drm_connector_list_iter iter; 1266 struct amdgpu_connector *amdgpu_connector = NULL; 1267 u32 tmp; 1268 int interlace = 0; 1269 1270 if (!dig || !dig->afmt || !dig->afmt->pin) 1271 return; 1272 1273 drm_connector_list_iter_begin(dev, &iter); 1274 drm_for_each_connector_iter(connector, &iter) { 1275 if (connector->encoder == encoder) { 1276 amdgpu_connector = to_amdgpu_connector(connector); 1277 break; 1278 } 1279 } 1280 drm_connector_list_iter_end(&iter); 1281 1282 if (!amdgpu_connector) { 1283 DRM_ERROR("Couldn't find encoder's connector\n"); 1284 return; 1285 } 1286 1287 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1288 interlace = 1; 1289 if (connector->latency_present[interlace]) { 1290 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1291 VIDEO_LIPSYNC, connector->video_latency[interlace]); 1292 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1293 AUDIO_LIPSYNC, connector->audio_latency[interlace]); 1294 } else { 1295 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1296 VIDEO_LIPSYNC, 0); 1297 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1298 AUDIO_LIPSYNC, 0); 1299 } 1300 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1301 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); 1302 } 1303 1304 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder) 1305 { 1306 struct drm_device *dev = encoder->dev; 1307 struct amdgpu_device *adev = drm_to_adev(dev); 1308 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1309 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1310 struct drm_connector *connector; 1311 struct drm_connector_list_iter iter; 1312 struct amdgpu_connector *amdgpu_connector = NULL; 1313 u32 tmp; 1314 u8 *sadb = NULL; 1315 int sad_count; 1316 1317 if (!dig || !dig->afmt || !dig->afmt->pin) 1318 return; 1319 1320 drm_connector_list_iter_begin(dev, &iter); 1321 drm_for_each_connector_iter(connector, &iter) { 1322 if (connector->encoder == encoder) { 1323 amdgpu_connector = to_amdgpu_connector(connector); 1324 break; 1325 } 1326 } 1327 drm_connector_list_iter_end(&iter); 1328 1329 if (!amdgpu_connector) { 1330 DRM_ERROR("Couldn't find encoder's connector\n"); 1331 return; 1332 } 1333 1334 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb); 1335 if (sad_count < 0) { 1336 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); 1337 sad_count = 0; 1338 } 1339 1340 /* program the speaker allocation */ 1341 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1342 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); 1343 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1344 DP_CONNECTION, 0); 1345 /* set HDMI mode */ 1346 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1347 HDMI_CONNECTION, 1); 1348 if (sad_count) 1349 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1350 SPEAKER_ALLOCATION, sadb[0]); 1351 else 1352 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1353 SPEAKER_ALLOCATION, 5); /* stereo */ 1354 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1355 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); 1356 1357 kfree(sadb); 1358 } 1359 1360 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder) 1361 { 1362 struct drm_device *dev = encoder->dev; 1363 struct amdgpu_device *adev = drm_to_adev(dev); 1364 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1365 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1366 struct drm_connector *connector; 1367 struct drm_connector_list_iter iter; 1368 struct amdgpu_connector *amdgpu_connector = NULL; 1369 struct cea_sad *sads; 1370 int i, sad_count; 1371 1372 static const u16 eld_reg_to_type[][2] = { 1373 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM }, 1374 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 }, 1375 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 }, 1376 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 }, 1377 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 }, 1378 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC }, 1379 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS }, 1380 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC }, 1381 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 }, 1382 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD }, 1383 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP }, 1384 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, 1385 }; 1386 1387 if (!dig || !dig->afmt || !dig->afmt->pin) 1388 return; 1389 1390 drm_connector_list_iter_begin(dev, &iter); 1391 drm_for_each_connector_iter(connector, &iter) { 1392 if (connector->encoder == encoder) { 1393 amdgpu_connector = to_amdgpu_connector(connector); 1394 break; 1395 } 1396 } 1397 drm_connector_list_iter_end(&iter); 1398 1399 if (!amdgpu_connector) { 1400 DRM_ERROR("Couldn't find encoder's connector\n"); 1401 return; 1402 } 1403 1404 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads); 1405 if (sad_count < 0) 1406 DRM_ERROR("Couldn't read SADs: %d\n", sad_count); 1407 if (sad_count <= 0) 1408 return; 1409 BUG_ON(!sads); 1410 1411 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { 1412 u32 tmp = 0; 1413 u8 stereo_freqs = 0; 1414 int max_channels = -1; 1415 int j; 1416 1417 for (j = 0; j < sad_count; j++) { 1418 struct cea_sad *sad = &sads[j]; 1419 1420 if (sad->format == eld_reg_to_type[i][1]) { 1421 if (sad->channels > max_channels) { 1422 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1423 MAX_CHANNELS, sad->channels); 1424 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1425 DESCRIPTOR_BYTE_2, sad->byte2); 1426 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1427 SUPPORTED_FREQUENCIES, sad->freq); 1428 max_channels = sad->channels; 1429 } 1430 1431 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM) 1432 stereo_freqs |= sad->freq; 1433 else 1434 break; 1435 } 1436 } 1437 1438 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1439 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs); 1440 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp); 1441 } 1442 1443 kfree(sads); 1444 } 1445 1446 static void dce_v11_0_audio_enable(struct amdgpu_device *adev, 1447 struct amdgpu_audio_pin *pin, 1448 bool enable) 1449 { 1450 if (!pin) 1451 return; 1452 1453 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 1454 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0); 1455 } 1456 1457 static const u32 pin_offsets[] = 1458 { 1459 AUD0_REGISTER_OFFSET, 1460 AUD1_REGISTER_OFFSET, 1461 AUD2_REGISTER_OFFSET, 1462 AUD3_REGISTER_OFFSET, 1463 AUD4_REGISTER_OFFSET, 1464 AUD5_REGISTER_OFFSET, 1465 AUD6_REGISTER_OFFSET, 1466 AUD7_REGISTER_OFFSET, 1467 }; 1468 1469 static int dce_v11_0_audio_init(struct amdgpu_device *adev) 1470 { 1471 int i; 1472 1473 if (!amdgpu_audio) 1474 return 0; 1475 1476 adev->mode_info.audio.enabled = true; 1477 1478 switch (adev->asic_type) { 1479 case CHIP_CARRIZO: 1480 case CHIP_STONEY: 1481 adev->mode_info.audio.num_pins = 7; 1482 break; 1483 case CHIP_POLARIS10: 1484 case CHIP_VEGAM: 1485 adev->mode_info.audio.num_pins = 8; 1486 break; 1487 case CHIP_POLARIS11: 1488 case CHIP_POLARIS12: 1489 adev->mode_info.audio.num_pins = 6; 1490 break; 1491 default: 1492 return -EINVAL; 1493 } 1494 1495 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1496 adev->mode_info.audio.pin[i].channels = -1; 1497 adev->mode_info.audio.pin[i].rate = -1; 1498 adev->mode_info.audio.pin[i].bits_per_sample = -1; 1499 adev->mode_info.audio.pin[i].status_bits = 0; 1500 adev->mode_info.audio.pin[i].category_code = 0; 1501 adev->mode_info.audio.pin[i].connected = false; 1502 adev->mode_info.audio.pin[i].offset = pin_offsets[i]; 1503 adev->mode_info.audio.pin[i].id = i; 1504 /* disable audio. it will be set up later */ 1505 /* XXX remove once we switch to ip funcs */ 1506 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1507 } 1508 1509 return 0; 1510 } 1511 1512 static void dce_v11_0_audio_fini(struct amdgpu_device *adev) 1513 { 1514 int i; 1515 1516 if (!amdgpu_audio) 1517 return; 1518 1519 if (!adev->mode_info.audio.enabled) 1520 return; 1521 1522 for (i = 0; i < adev->mode_info.audio.num_pins; i++) 1523 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1524 1525 adev->mode_info.audio.enabled = false; 1526 } 1527 1528 /* 1529 * update the N and CTS parameters for a given pixel clock rate 1530 */ 1531 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock) 1532 { 1533 struct drm_device *dev = encoder->dev; 1534 struct amdgpu_device *adev = drm_to_adev(dev); 1535 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock); 1536 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1537 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1538 u32 tmp; 1539 1540 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset); 1541 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz); 1542 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp); 1543 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset); 1544 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz); 1545 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp); 1546 1547 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset); 1548 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz); 1549 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp); 1550 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset); 1551 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz); 1552 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp); 1553 1554 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset); 1555 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz); 1556 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp); 1557 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset); 1558 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz); 1559 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp); 1560 1561 } 1562 1563 /* 1564 * build a HDMI Video Info Frame 1565 */ 1566 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder, 1567 void *buffer, size_t size) 1568 { 1569 struct drm_device *dev = encoder->dev; 1570 struct amdgpu_device *adev = drm_to_adev(dev); 1571 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1572 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1573 uint8_t *frame = buffer + 3; 1574 uint8_t *header = buffer; 1575 1576 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset, 1577 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); 1578 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset, 1579 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24)); 1580 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset, 1581 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24)); 1582 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset, 1583 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24)); 1584 } 1585 1586 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock) 1587 { 1588 struct drm_device *dev = encoder->dev; 1589 struct amdgpu_device *adev = drm_to_adev(dev); 1590 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1591 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1592 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1593 u32 dto_phase = 24 * 1000; 1594 u32 dto_modulo = clock; 1595 u32 tmp; 1596 1597 if (!dig || !dig->afmt) 1598 return; 1599 1600 /* XXX two dtos; generally use dto0 for hdmi */ 1601 /* Express [24MHz / target pixel clock] as an exact rational 1602 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE 1603 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator 1604 */ 1605 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE); 1606 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL, 1607 amdgpu_crtc->crtc_id); 1608 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp); 1609 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase); 1610 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo); 1611 } 1612 1613 /* 1614 * update the info frames with the data from the current display mode 1615 */ 1616 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder, 1617 struct drm_display_mode *mode) 1618 { 1619 struct drm_device *dev = encoder->dev; 1620 struct amdgpu_device *adev = drm_to_adev(dev); 1621 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1622 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1623 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 1624 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; 1625 struct hdmi_avi_infoframe frame; 1626 ssize_t err; 1627 u32 tmp; 1628 int bpc = 8; 1629 1630 if (!dig || !dig->afmt) 1631 return; 1632 1633 /* Silent, r600_hdmi_enable will raise WARN for us */ 1634 if (!dig->afmt->enabled) 1635 return; 1636 1637 /* hdmi deep color mode general control packets setup, if bpc > 8 */ 1638 if (encoder->crtc) { 1639 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1640 bpc = amdgpu_crtc->bpc; 1641 } 1642 1643 /* disable audio prior to setting up hw */ 1644 dig->afmt->pin = dce_v11_0_audio_get_pin(adev); 1645 dce_v11_0_audio_enable(adev, dig->afmt->pin, false); 1646 1647 dce_v11_0_audio_set_dto(encoder, mode->clock); 1648 1649 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1650 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); 1651 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */ 1652 1653 WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000); 1654 1655 tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset); 1656 switch (bpc) { 1657 case 0: 1658 case 6: 1659 case 8: 1660 case 16: 1661 default: 1662 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0); 1663 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0); 1664 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n", 1665 connector->name, bpc); 1666 break; 1667 case 10: 1668 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1669 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1); 1670 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n", 1671 connector->name); 1672 break; 1673 case 12: 1674 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1675 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2); 1676 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n", 1677 connector->name); 1678 break; 1679 } 1680 WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp); 1681 1682 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1683 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */ 1684 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */ 1685 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */ 1686 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); 1687 1688 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1689 /* enable audio info frames (frames won't be set until audio is enabled) */ 1690 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1); 1691 /* required for audio info values to be updated */ 1692 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1); 1693 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1694 1695 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset); 1696 /* required for audio info values to be updated */ 1697 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1); 1698 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1699 1700 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1701 /* anything other than 0 */ 1702 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2); 1703 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1704 1705 WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */ 1706 1707 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1708 /* set the default audio delay */ 1709 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1); 1710 /* should be suffient for all audio modes and small enough for all hblanks */ 1711 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3); 1712 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1713 1714 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1715 /* allow 60958 channel status fields to be updated */ 1716 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1); 1717 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1718 1719 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset); 1720 if (bpc > 8) 1721 /* clear SW CTS value */ 1722 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0); 1723 else 1724 /* select SW CTS value */ 1725 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1); 1726 /* allow hw to sent ACR packets when required */ 1727 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1); 1728 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp); 1729 1730 dce_v11_0_afmt_update_ACR(encoder, mode->clock); 1731 1732 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset); 1733 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1); 1734 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp); 1735 1736 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset); 1737 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2); 1738 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp); 1739 1740 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset); 1741 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3); 1742 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4); 1743 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5); 1744 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6); 1745 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7); 1746 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8); 1747 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp); 1748 1749 dce_v11_0_audio_write_speaker_allocation(encoder); 1750 1751 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, 1752 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT)); 1753 1754 dce_v11_0_afmt_audio_select_pin(encoder); 1755 dce_v11_0_audio_write_sad_regs(encoder); 1756 dce_v11_0_audio_write_latency_fields(encoder, mode); 1757 1758 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode); 1759 if (err < 0) { 1760 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err); 1761 return; 1762 } 1763 1764 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); 1765 if (err < 0) { 1766 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err); 1767 return; 1768 } 1769 1770 dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer)); 1771 1772 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1773 /* enable AVI info frames */ 1774 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1); 1775 /* required for audio info values to be updated */ 1776 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1); 1777 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1778 1779 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1780 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2); 1781 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1782 1783 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1784 /* send audio packets */ 1785 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1); 1786 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1787 1788 WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF); 1789 WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF); 1790 WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001); 1791 WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001); 1792 1793 /* enable audio after to setting up hw */ 1794 dce_v11_0_audio_enable(adev, dig->afmt->pin, true); 1795 } 1796 1797 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable) 1798 { 1799 struct drm_device *dev = encoder->dev; 1800 struct amdgpu_device *adev = drm_to_adev(dev); 1801 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1802 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1803 1804 if (!dig || !dig->afmt) 1805 return; 1806 1807 /* Silent, r600_hdmi_enable will raise WARN for us */ 1808 if (enable && dig->afmt->enabled) 1809 return; 1810 if (!enable && !dig->afmt->enabled) 1811 return; 1812 1813 if (!enable && dig->afmt->pin) { 1814 dce_v11_0_audio_enable(adev, dig->afmt->pin, false); 1815 dig->afmt->pin = NULL; 1816 } 1817 1818 dig->afmt->enabled = enable; 1819 1820 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n", 1821 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id); 1822 } 1823 1824 static int dce_v11_0_afmt_init(struct amdgpu_device *adev) 1825 { 1826 int i; 1827 1828 for (i = 0; i < adev->mode_info.num_dig; i++) 1829 adev->mode_info.afmt[i] = NULL; 1830 1831 /* DCE11 has audio blocks tied to DIG encoders */ 1832 for (i = 0; i < adev->mode_info.num_dig; i++) { 1833 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL); 1834 if (adev->mode_info.afmt[i]) { 1835 adev->mode_info.afmt[i]->offset = dig_offsets[i]; 1836 adev->mode_info.afmt[i]->id = i; 1837 } else { 1838 int j; 1839 for (j = 0; j < i; j++) { 1840 kfree(adev->mode_info.afmt[j]); 1841 adev->mode_info.afmt[j] = NULL; 1842 } 1843 return -ENOMEM; 1844 } 1845 } 1846 return 0; 1847 } 1848 1849 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev) 1850 { 1851 int i; 1852 1853 for (i = 0; i < adev->mode_info.num_dig; i++) { 1854 kfree(adev->mode_info.afmt[i]); 1855 adev->mode_info.afmt[i] = NULL; 1856 } 1857 } 1858 1859 static const u32 vga_control_regs[6] = 1860 { 1861 mmD1VGA_CONTROL, 1862 mmD2VGA_CONTROL, 1863 mmD3VGA_CONTROL, 1864 mmD4VGA_CONTROL, 1865 mmD5VGA_CONTROL, 1866 mmD6VGA_CONTROL, 1867 }; 1868 1869 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable) 1870 { 1871 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1872 struct drm_device *dev = crtc->dev; 1873 struct amdgpu_device *adev = drm_to_adev(dev); 1874 u32 vga_control; 1875 1876 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1; 1877 if (enable) 1878 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1); 1879 else 1880 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control); 1881 } 1882 1883 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable) 1884 { 1885 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1886 struct drm_device *dev = crtc->dev; 1887 struct amdgpu_device *adev = drm_to_adev(dev); 1888 1889 if (enable) 1890 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1); 1891 else 1892 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0); 1893 } 1894 1895 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc, 1896 struct drm_framebuffer *fb, 1897 int x, int y, int atomic) 1898 { 1899 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1900 struct drm_device *dev = crtc->dev; 1901 struct amdgpu_device *adev = drm_to_adev(dev); 1902 struct drm_framebuffer *target_fb; 1903 struct drm_gem_object *obj; 1904 struct amdgpu_bo *abo; 1905 uint64_t fb_location, tiling_flags; 1906 uint32_t fb_format, fb_pitch_pixels; 1907 u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE); 1908 u32 pipe_config; 1909 u32 tmp, viewport_w, viewport_h; 1910 int r; 1911 bool bypass_lut = false; 1912 1913 /* no fb bound */ 1914 if (!atomic && !crtc->primary->fb) { 1915 DRM_DEBUG_KMS("No FB bound\n"); 1916 return 0; 1917 } 1918 1919 if (atomic) 1920 target_fb = fb; 1921 else 1922 target_fb = crtc->primary->fb; 1923 1924 /* If atomic, assume fb object is pinned & idle & fenced and 1925 * just update base pointers 1926 */ 1927 obj = target_fb->obj[0]; 1928 abo = gem_to_amdgpu_bo(obj); 1929 r = amdgpu_bo_reserve(abo, false); 1930 if (unlikely(r != 0)) 1931 return r; 1932 1933 if (!atomic) { 1934 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM); 1935 if (unlikely(r != 0)) { 1936 amdgpu_bo_unreserve(abo); 1937 return -EINVAL; 1938 } 1939 } 1940 fb_location = amdgpu_bo_gpu_offset(abo); 1941 1942 amdgpu_bo_get_tiling_flags(abo, &tiling_flags); 1943 amdgpu_bo_unreserve(abo); 1944 1945 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG); 1946 1947 switch (target_fb->format->format) { 1948 case DRM_FORMAT_C8: 1949 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0); 1950 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1951 break; 1952 case DRM_FORMAT_XRGB4444: 1953 case DRM_FORMAT_ARGB4444: 1954 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1955 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2); 1956 #ifdef __BIG_ENDIAN 1957 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1958 ENDIAN_8IN16); 1959 #endif 1960 break; 1961 case DRM_FORMAT_XRGB1555: 1962 case DRM_FORMAT_ARGB1555: 1963 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1964 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1965 #ifdef __BIG_ENDIAN 1966 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1967 ENDIAN_8IN16); 1968 #endif 1969 break; 1970 case DRM_FORMAT_BGRX5551: 1971 case DRM_FORMAT_BGRA5551: 1972 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1973 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5); 1974 #ifdef __BIG_ENDIAN 1975 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1976 ENDIAN_8IN16); 1977 #endif 1978 break; 1979 case DRM_FORMAT_RGB565: 1980 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1981 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 1982 #ifdef __BIG_ENDIAN 1983 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1984 ENDIAN_8IN16); 1985 #endif 1986 break; 1987 case DRM_FORMAT_XRGB8888: 1988 case DRM_FORMAT_ARGB8888: 1989 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1990 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1991 #ifdef __BIG_ENDIAN 1992 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1993 ENDIAN_8IN32); 1994 #endif 1995 break; 1996 case DRM_FORMAT_XRGB2101010: 1997 case DRM_FORMAT_ARGB2101010: 1998 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1999 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 2000 #ifdef __BIG_ENDIAN 2001 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2002 ENDIAN_8IN32); 2003 #endif 2004 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 2005 bypass_lut = true; 2006 break; 2007 case DRM_FORMAT_BGRX1010102: 2008 case DRM_FORMAT_BGRA1010102: 2009 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 2010 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4); 2011 #ifdef __BIG_ENDIAN 2012 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2013 ENDIAN_8IN32); 2014 #endif 2015 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 2016 bypass_lut = true; 2017 break; 2018 case DRM_FORMAT_XBGR8888: 2019 case DRM_FORMAT_ABGR8888: 2020 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 2021 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 2022 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2); 2023 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2); 2024 #ifdef __BIG_ENDIAN 2025 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 2026 ENDIAN_8IN32); 2027 #endif 2028 break; 2029 default: 2030 DRM_ERROR("Unsupported screen format %p4cc\n", 2031 &target_fb->format->format); 2032 return -EINVAL; 2033 } 2034 2035 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) { 2036 unsigned bankw, bankh, mtaspect, tile_split, num_banks; 2037 2038 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH); 2039 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT); 2040 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT); 2041 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT); 2042 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS); 2043 2044 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks); 2045 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 2046 ARRAY_2D_TILED_THIN1); 2047 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT, 2048 tile_split); 2049 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw); 2050 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh); 2051 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT, 2052 mtaspect); 2053 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE, 2054 ADDR_SURF_MICRO_TILING_DISPLAY); 2055 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) { 2056 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 2057 ARRAY_1D_TILED_THIN1); 2058 } 2059 2060 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG, 2061 pipe_config); 2062 2063 dce_v11_0_vga_enable(crtc, false); 2064 2065 /* Make sure surface address is updated at vertical blank rather than 2066 * horizontal blank 2067 */ 2068 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 2069 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 2070 GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0); 2071 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2072 2073 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2074 upper_32_bits(fb_location)); 2075 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2076 upper_32_bits(fb_location)); 2077 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2078 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK); 2079 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2080 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK); 2081 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); 2082 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap); 2083 2084 /* 2085 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT 2086 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to 2087 * retain the full precision throughout the pipeline. 2088 */ 2089 tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset); 2090 if (bypass_lut) 2091 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1); 2092 else 2093 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0); 2094 WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp); 2095 2096 if (bypass_lut) 2097 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 2098 2099 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0); 2100 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0); 2101 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0); 2102 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0); 2103 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width); 2104 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height); 2105 2106 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0]; 2107 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels); 2108 2109 dce_v11_0_grph_enable(crtc, true); 2110 2111 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset, 2112 target_fb->height); 2113 2114 x &= ~3; 2115 y &= ~1; 2116 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset, 2117 (x << 16) | y); 2118 viewport_w = crtc->mode.hdisplay; 2119 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 2120 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset, 2121 (viewport_w << 16) | viewport_h); 2122 2123 /* set pageflip to happen anywhere in vblank interval */ 2124 WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0); 2125 2126 if (!atomic && fb && fb != crtc->primary->fb) { 2127 abo = gem_to_amdgpu_bo(fb->obj[0]); 2128 r = amdgpu_bo_reserve(abo, true); 2129 if (unlikely(r != 0)) 2130 return r; 2131 amdgpu_bo_unpin(abo); 2132 amdgpu_bo_unreserve(abo); 2133 } 2134 2135 /* Bytes per pixel may have changed */ 2136 dce_v11_0_bandwidth_update(adev); 2137 2138 return 0; 2139 } 2140 2141 static void dce_v11_0_set_interleave(struct drm_crtc *crtc, 2142 struct drm_display_mode *mode) 2143 { 2144 struct drm_device *dev = crtc->dev; 2145 struct amdgpu_device *adev = drm_to_adev(dev); 2146 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2147 u32 tmp; 2148 2149 tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset); 2150 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 2151 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1); 2152 else 2153 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0); 2154 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp); 2155 } 2156 2157 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc) 2158 { 2159 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2160 struct drm_device *dev = crtc->dev; 2161 struct amdgpu_device *adev = drm_to_adev(dev); 2162 u16 *r, *g, *b; 2163 int i; 2164 u32 tmp; 2165 2166 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id); 2167 2168 tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2169 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0); 2170 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2171 2172 tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset); 2173 tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1); 2174 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2175 2176 tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2177 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0); 2178 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2179 2180 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0); 2181 2182 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0); 2183 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0); 2184 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0); 2185 2186 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff); 2187 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff); 2188 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff); 2189 2190 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0); 2191 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007); 2192 2193 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0); 2194 r = crtc->gamma_store; 2195 g = r + crtc->gamma_size; 2196 b = g + crtc->gamma_size; 2197 for (i = 0; i < 256; i++) { 2198 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset, 2199 ((*r++ & 0xffc0) << 14) | 2200 ((*g++ & 0xffc0) << 4) | 2201 (*b++ >> 6)); 2202 } 2203 2204 tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2205 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0); 2206 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0); 2207 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0); 2208 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2209 2210 tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset); 2211 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0); 2212 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2213 2214 tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2215 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0); 2216 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2217 2218 tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2219 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0); 2220 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2221 2222 /* XXX match this to the depth of the crtc fmt block, move to modeset? */ 2223 WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0); 2224 /* XXX this only needs to be programmed once per crtc at startup, 2225 * not sure where the best place for it is 2226 */ 2227 tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset); 2228 tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1); 2229 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2230 } 2231 2232 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder) 2233 { 2234 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 2235 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 2236 2237 switch (amdgpu_encoder->encoder_id) { 2238 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 2239 if (dig->linkb) 2240 return 1; 2241 else 2242 return 0; 2243 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 2244 if (dig->linkb) 2245 return 3; 2246 else 2247 return 2; 2248 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 2249 if (dig->linkb) 2250 return 5; 2251 else 2252 return 4; 2253 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 2254 return 6; 2255 default: 2256 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id); 2257 return 0; 2258 } 2259 } 2260 2261 /** 2262 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc. 2263 * 2264 * @crtc: drm crtc 2265 * 2266 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors 2267 * a single PPLL can be used for all DP crtcs/encoders. For non-DP 2268 * monitors a dedicated PPLL must be used. If a particular board has 2269 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming 2270 * as there is no need to program the PLL itself. If we are not able to 2271 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to 2272 * avoid messing up an existing monitor. 2273 * 2274 * Asic specific PLL information 2275 * 2276 * DCE 10.x 2277 * Tonga 2278 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) 2279 * CI 2280 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 2281 * 2282 */ 2283 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc) 2284 { 2285 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2286 struct drm_device *dev = crtc->dev; 2287 struct amdgpu_device *adev = drm_to_adev(dev); 2288 u32 pll_in_use; 2289 int pll; 2290 2291 if ((adev->asic_type == CHIP_POLARIS10) || 2292 (adev->asic_type == CHIP_POLARIS11) || 2293 (adev->asic_type == CHIP_POLARIS12) || 2294 (adev->asic_type == CHIP_VEGAM)) { 2295 struct amdgpu_encoder *amdgpu_encoder = 2296 to_amdgpu_encoder(amdgpu_crtc->encoder); 2297 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 2298 2299 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) 2300 return ATOM_DP_DTO; 2301 2302 switch (amdgpu_encoder->encoder_id) { 2303 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 2304 if (dig->linkb) 2305 return ATOM_COMBOPHY_PLL1; 2306 else 2307 return ATOM_COMBOPHY_PLL0; 2308 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 2309 if (dig->linkb) 2310 return ATOM_COMBOPHY_PLL3; 2311 else 2312 return ATOM_COMBOPHY_PLL2; 2313 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 2314 if (dig->linkb) 2315 return ATOM_COMBOPHY_PLL5; 2316 else 2317 return ATOM_COMBOPHY_PLL4; 2318 default: 2319 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id); 2320 return ATOM_PPLL_INVALID; 2321 } 2322 } 2323 2324 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) { 2325 if (adev->clock.dp_extclk) 2326 /* skip PPLL programming if using ext clock */ 2327 return ATOM_PPLL_INVALID; 2328 else { 2329 /* use the same PPLL for all DP monitors */ 2330 pll = amdgpu_pll_get_shared_dp_ppll(crtc); 2331 if (pll != ATOM_PPLL_INVALID) 2332 return pll; 2333 } 2334 } else { 2335 /* use the same PPLL for all monitors with the same clock */ 2336 pll = amdgpu_pll_get_shared_nondp_ppll(crtc); 2337 if (pll != ATOM_PPLL_INVALID) 2338 return pll; 2339 } 2340 2341 /* XXX need to determine what plls are available on each DCE11 part */ 2342 pll_in_use = amdgpu_pll_get_use_mask(crtc); 2343 if (adev->flags & AMD_IS_APU) { 2344 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2345 return ATOM_PPLL1; 2346 if (!(pll_in_use & (1 << ATOM_PPLL0))) 2347 return ATOM_PPLL0; 2348 DRM_ERROR("unable to allocate a PPLL\n"); 2349 return ATOM_PPLL_INVALID; 2350 } else { 2351 if (!(pll_in_use & (1 << ATOM_PPLL2))) 2352 return ATOM_PPLL2; 2353 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2354 return ATOM_PPLL1; 2355 if (!(pll_in_use & (1 << ATOM_PPLL0))) 2356 return ATOM_PPLL0; 2357 DRM_ERROR("unable to allocate a PPLL\n"); 2358 return ATOM_PPLL_INVALID; 2359 } 2360 return ATOM_PPLL_INVALID; 2361 } 2362 2363 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock) 2364 { 2365 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2366 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2367 uint32_t cur_lock; 2368 2369 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset); 2370 if (lock) 2371 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1); 2372 else 2373 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0); 2374 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock); 2375 } 2376 2377 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc) 2378 { 2379 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2380 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2381 u32 tmp; 2382 2383 tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2384 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0); 2385 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2386 } 2387 2388 static void dce_v11_0_show_cursor(struct drm_crtc *crtc) 2389 { 2390 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2391 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2392 u32 tmp; 2393 2394 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2395 upper_32_bits(amdgpu_crtc->cursor_addr)); 2396 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2397 lower_32_bits(amdgpu_crtc->cursor_addr)); 2398 2399 tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2400 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1); 2401 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2); 2402 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2403 } 2404 2405 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc, 2406 int x, int y) 2407 { 2408 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2409 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2410 int xorigin = 0, yorigin = 0; 2411 2412 amdgpu_crtc->cursor_x = x; 2413 amdgpu_crtc->cursor_y = y; 2414 2415 /* avivo cursor are offset into the total surface */ 2416 x += crtc->x; 2417 y += crtc->y; 2418 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y); 2419 2420 if (x < 0) { 2421 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1); 2422 x = 0; 2423 } 2424 if (y < 0) { 2425 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1); 2426 y = 0; 2427 } 2428 2429 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y); 2430 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin); 2431 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset, 2432 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1)); 2433 2434 return 0; 2435 } 2436 2437 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc, 2438 int x, int y) 2439 { 2440 int ret; 2441 2442 dce_v11_0_lock_cursor(crtc, true); 2443 ret = dce_v11_0_cursor_move_locked(crtc, x, y); 2444 dce_v11_0_lock_cursor(crtc, false); 2445 2446 return ret; 2447 } 2448 2449 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc, 2450 struct drm_file *file_priv, 2451 uint32_t handle, 2452 uint32_t width, 2453 uint32_t height, 2454 int32_t hot_x, 2455 int32_t hot_y) 2456 { 2457 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2458 struct drm_gem_object *obj; 2459 struct amdgpu_bo *aobj; 2460 int ret; 2461 2462 if (!handle) { 2463 /* turn off cursor */ 2464 dce_v11_0_hide_cursor(crtc); 2465 obj = NULL; 2466 goto unpin; 2467 } 2468 2469 if ((width > amdgpu_crtc->max_cursor_width) || 2470 (height > amdgpu_crtc->max_cursor_height)) { 2471 DRM_ERROR("bad cursor width or height %d x %d\n", width, height); 2472 return -EINVAL; 2473 } 2474 2475 obj = drm_gem_object_lookup(file_priv, handle); 2476 if (!obj) { 2477 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id); 2478 return -ENOENT; 2479 } 2480 2481 aobj = gem_to_amdgpu_bo(obj); 2482 ret = amdgpu_bo_reserve(aobj, false); 2483 if (ret != 0) { 2484 drm_gem_object_put(obj); 2485 return ret; 2486 } 2487 2488 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM); 2489 amdgpu_bo_unreserve(aobj); 2490 if (ret) { 2491 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret); 2492 drm_gem_object_put(obj); 2493 return ret; 2494 } 2495 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj); 2496 2497 dce_v11_0_lock_cursor(crtc, true); 2498 2499 if (width != amdgpu_crtc->cursor_width || 2500 height != amdgpu_crtc->cursor_height || 2501 hot_x != amdgpu_crtc->cursor_hot_x || 2502 hot_y != amdgpu_crtc->cursor_hot_y) { 2503 int x, y; 2504 2505 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x; 2506 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y; 2507 2508 dce_v11_0_cursor_move_locked(crtc, x, y); 2509 2510 amdgpu_crtc->cursor_width = width; 2511 amdgpu_crtc->cursor_height = height; 2512 amdgpu_crtc->cursor_hot_x = hot_x; 2513 amdgpu_crtc->cursor_hot_y = hot_y; 2514 } 2515 2516 dce_v11_0_show_cursor(crtc); 2517 dce_v11_0_lock_cursor(crtc, false); 2518 2519 unpin: 2520 if (amdgpu_crtc->cursor_bo) { 2521 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); 2522 ret = amdgpu_bo_reserve(aobj, true); 2523 if (likely(ret == 0)) { 2524 amdgpu_bo_unpin(aobj); 2525 amdgpu_bo_unreserve(aobj); 2526 } 2527 drm_gem_object_put(amdgpu_crtc->cursor_bo); 2528 } 2529 2530 amdgpu_crtc->cursor_bo = obj; 2531 return 0; 2532 } 2533 2534 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc) 2535 { 2536 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2537 2538 if (amdgpu_crtc->cursor_bo) { 2539 dce_v11_0_lock_cursor(crtc, true); 2540 2541 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x, 2542 amdgpu_crtc->cursor_y); 2543 2544 dce_v11_0_show_cursor(crtc); 2545 2546 dce_v11_0_lock_cursor(crtc, false); 2547 } 2548 } 2549 2550 static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, 2551 u16 *blue, uint32_t size, 2552 struct drm_modeset_acquire_ctx *ctx) 2553 { 2554 dce_v11_0_crtc_load_lut(crtc); 2555 2556 return 0; 2557 } 2558 2559 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc) 2560 { 2561 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2562 2563 drm_crtc_cleanup(crtc); 2564 kfree(amdgpu_crtc); 2565 } 2566 2567 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = { 2568 .cursor_set2 = dce_v11_0_crtc_cursor_set2, 2569 .cursor_move = dce_v11_0_crtc_cursor_move, 2570 .gamma_set = dce_v11_0_crtc_gamma_set, 2571 .set_config = amdgpu_display_crtc_set_config, 2572 .destroy = dce_v11_0_crtc_destroy, 2573 .page_flip_target = amdgpu_display_crtc_page_flip_target, 2574 .get_vblank_counter = amdgpu_get_vblank_counter_kms, 2575 .enable_vblank = amdgpu_enable_vblank_kms, 2576 .disable_vblank = amdgpu_disable_vblank_kms, 2577 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp, 2578 }; 2579 2580 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode) 2581 { 2582 struct drm_device *dev = crtc->dev; 2583 struct amdgpu_device *adev = drm_to_adev(dev); 2584 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2585 unsigned type; 2586 2587 switch (mode) { 2588 case DRM_MODE_DPMS_ON: 2589 amdgpu_crtc->enabled = true; 2590 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE); 2591 dce_v11_0_vga_enable(crtc, true); 2592 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); 2593 dce_v11_0_vga_enable(crtc, false); 2594 /* Make sure VBLANK and PFLIP interrupts are still enabled */ 2595 type = amdgpu_display_crtc_idx_to_irq_type(adev, 2596 amdgpu_crtc->crtc_id); 2597 amdgpu_irq_update(adev, &adev->crtc_irq, type); 2598 amdgpu_irq_update(adev, &adev->pageflip_irq, type); 2599 drm_crtc_vblank_on(crtc); 2600 dce_v11_0_crtc_load_lut(crtc); 2601 break; 2602 case DRM_MODE_DPMS_STANDBY: 2603 case DRM_MODE_DPMS_SUSPEND: 2604 case DRM_MODE_DPMS_OFF: 2605 drm_crtc_vblank_off(crtc); 2606 if (amdgpu_crtc->enabled) { 2607 dce_v11_0_vga_enable(crtc, true); 2608 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE); 2609 dce_v11_0_vga_enable(crtc, false); 2610 } 2611 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE); 2612 amdgpu_crtc->enabled = false; 2613 break; 2614 } 2615 /* adjust pm to dpms */ 2616 amdgpu_dpm_compute_clocks(adev); 2617 } 2618 2619 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc) 2620 { 2621 /* disable crtc pair power gating before programming */ 2622 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE); 2623 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE); 2624 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2625 } 2626 2627 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc) 2628 { 2629 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 2630 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE); 2631 } 2632 2633 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc) 2634 { 2635 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2636 struct drm_device *dev = crtc->dev; 2637 struct amdgpu_device *adev = drm_to_adev(dev); 2638 struct amdgpu_atom_ss ss; 2639 int i; 2640 2641 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2642 if (crtc->primary->fb) { 2643 int r; 2644 struct amdgpu_bo *abo; 2645 2646 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]); 2647 r = amdgpu_bo_reserve(abo, true); 2648 if (unlikely(r)) 2649 DRM_ERROR("failed to reserve abo before unpin\n"); 2650 else { 2651 amdgpu_bo_unpin(abo); 2652 amdgpu_bo_unreserve(abo); 2653 } 2654 } 2655 /* disable the GRPH */ 2656 dce_v11_0_grph_enable(crtc, false); 2657 2658 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE); 2659 2660 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2661 if (adev->mode_info.crtcs[i] && 2662 adev->mode_info.crtcs[i]->enabled && 2663 i != amdgpu_crtc->crtc_id && 2664 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) { 2665 /* one other crtc is using this pll don't turn 2666 * off the pll 2667 */ 2668 goto done; 2669 } 2670 } 2671 2672 switch (amdgpu_crtc->pll_id) { 2673 case ATOM_PPLL0: 2674 case ATOM_PPLL1: 2675 case ATOM_PPLL2: 2676 /* disable the ppll */ 2677 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id, 2678 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2679 break; 2680 case ATOM_COMBOPHY_PLL0: 2681 case ATOM_COMBOPHY_PLL1: 2682 case ATOM_COMBOPHY_PLL2: 2683 case ATOM_COMBOPHY_PLL3: 2684 case ATOM_COMBOPHY_PLL4: 2685 case ATOM_COMBOPHY_PLL5: 2686 /* disable the ppll */ 2687 amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id, 2688 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2689 break; 2690 default: 2691 break; 2692 } 2693 done: 2694 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2695 amdgpu_crtc->adjusted_clock = 0; 2696 amdgpu_crtc->encoder = NULL; 2697 amdgpu_crtc->connector = NULL; 2698 } 2699 2700 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc, 2701 struct drm_display_mode *mode, 2702 struct drm_display_mode *adjusted_mode, 2703 int x, int y, struct drm_framebuffer *old_fb) 2704 { 2705 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2706 struct drm_device *dev = crtc->dev; 2707 struct amdgpu_device *adev = drm_to_adev(dev); 2708 2709 if (!amdgpu_crtc->adjusted_clock) 2710 return -EINVAL; 2711 2712 if ((adev->asic_type == CHIP_POLARIS10) || 2713 (adev->asic_type == CHIP_POLARIS11) || 2714 (adev->asic_type == CHIP_POLARIS12) || 2715 (adev->asic_type == CHIP_VEGAM)) { 2716 struct amdgpu_encoder *amdgpu_encoder = 2717 to_amdgpu_encoder(amdgpu_crtc->encoder); 2718 int encoder_mode = 2719 amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder); 2720 2721 /* SetPixelClock calculates the plls and ss values now */ 2722 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, 2723 amdgpu_crtc->pll_id, 2724 encoder_mode, amdgpu_encoder->encoder_id, 2725 adjusted_mode->clock, 0, 0, 0, 0, 2726 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss); 2727 } else { 2728 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode); 2729 } 2730 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode); 2731 dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2732 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode); 2733 amdgpu_atombios_crtc_scaler_setup(crtc); 2734 dce_v11_0_cursor_reset(crtc); 2735 /* update the hw version fpr dpm */ 2736 amdgpu_crtc->hw_mode = *adjusted_mode; 2737 2738 return 0; 2739 } 2740 2741 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc, 2742 const struct drm_display_mode *mode, 2743 struct drm_display_mode *adjusted_mode) 2744 { 2745 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2746 struct drm_device *dev = crtc->dev; 2747 struct drm_encoder *encoder; 2748 2749 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */ 2750 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 2751 if (encoder->crtc == crtc) { 2752 amdgpu_crtc->encoder = encoder; 2753 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder); 2754 break; 2755 } 2756 } 2757 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) { 2758 amdgpu_crtc->encoder = NULL; 2759 amdgpu_crtc->connector = NULL; 2760 return false; 2761 } 2762 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) 2763 return false; 2764 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode)) 2765 return false; 2766 /* pick pll */ 2767 amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc); 2768 /* if we can't get a PPLL for a non-DP encoder, fail */ 2769 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) && 2770 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) 2771 return false; 2772 2773 return true; 2774 } 2775 2776 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y, 2777 struct drm_framebuffer *old_fb) 2778 { 2779 return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2780 } 2781 2782 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc, 2783 struct drm_framebuffer *fb, 2784 int x, int y, enum mode_set_atomic state) 2785 { 2786 return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1); 2787 } 2788 2789 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = { 2790 .dpms = dce_v11_0_crtc_dpms, 2791 .mode_fixup = dce_v11_0_crtc_mode_fixup, 2792 .mode_set = dce_v11_0_crtc_mode_set, 2793 .mode_set_base = dce_v11_0_crtc_set_base, 2794 .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic, 2795 .prepare = dce_v11_0_crtc_prepare, 2796 .commit = dce_v11_0_crtc_commit, 2797 .disable = dce_v11_0_crtc_disable, 2798 .get_scanout_position = amdgpu_crtc_get_scanout_position, 2799 }; 2800 2801 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index) 2802 { 2803 struct amdgpu_crtc *amdgpu_crtc; 2804 2805 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) + 2806 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); 2807 if (amdgpu_crtc == NULL) 2808 return -ENOMEM; 2809 2810 drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v11_0_crtc_funcs); 2811 2812 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256); 2813 amdgpu_crtc->crtc_id = index; 2814 adev->mode_info.crtcs[index] = amdgpu_crtc; 2815 2816 amdgpu_crtc->max_cursor_width = 128; 2817 amdgpu_crtc->max_cursor_height = 128; 2818 adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width; 2819 adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height; 2820 2821 switch (amdgpu_crtc->crtc_id) { 2822 case 0: 2823 default: 2824 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET; 2825 break; 2826 case 1: 2827 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET; 2828 break; 2829 case 2: 2830 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET; 2831 break; 2832 case 3: 2833 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET; 2834 break; 2835 case 4: 2836 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET; 2837 break; 2838 case 5: 2839 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET; 2840 break; 2841 } 2842 2843 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2844 amdgpu_crtc->adjusted_clock = 0; 2845 amdgpu_crtc->encoder = NULL; 2846 amdgpu_crtc->connector = NULL; 2847 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs); 2848 2849 return 0; 2850 } 2851 2852 static int dce_v11_0_early_init(void *handle) 2853 { 2854 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2855 2856 adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg; 2857 adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg; 2858 2859 dce_v11_0_set_display_funcs(adev); 2860 2861 adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev); 2862 2863 switch (adev->asic_type) { 2864 case CHIP_CARRIZO: 2865 adev->mode_info.num_hpd = 6; 2866 adev->mode_info.num_dig = 9; 2867 break; 2868 case CHIP_STONEY: 2869 adev->mode_info.num_hpd = 6; 2870 adev->mode_info.num_dig = 9; 2871 break; 2872 case CHIP_POLARIS10: 2873 case CHIP_VEGAM: 2874 adev->mode_info.num_hpd = 6; 2875 adev->mode_info.num_dig = 6; 2876 break; 2877 case CHIP_POLARIS11: 2878 case CHIP_POLARIS12: 2879 adev->mode_info.num_hpd = 5; 2880 adev->mode_info.num_dig = 5; 2881 break; 2882 default: 2883 /* FIXME: not supported yet */ 2884 return -EINVAL; 2885 } 2886 2887 dce_v11_0_set_irq_funcs(adev); 2888 2889 return 0; 2890 } 2891 2892 static int dce_v11_0_sw_init(void *handle) 2893 { 2894 int r, i; 2895 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2896 2897 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2898 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq); 2899 if (r) 2900 return r; 2901 } 2902 2903 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) { 2904 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq); 2905 if (r) 2906 return r; 2907 } 2908 2909 /* HPD hotplug */ 2910 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq); 2911 if (r) 2912 return r; 2913 2914 adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs; 2915 2916 adev_to_drm(adev)->mode_config.async_page_flip = true; 2917 2918 adev_to_drm(adev)->mode_config.max_width = 16384; 2919 adev_to_drm(adev)->mode_config.max_height = 16384; 2920 2921 adev_to_drm(adev)->mode_config.preferred_depth = 24; 2922 adev_to_drm(adev)->mode_config.prefer_shadow = 1; 2923 2924 adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true; 2925 2926 r = amdgpu_display_modeset_create_props(adev); 2927 if (r) 2928 return r; 2929 2930 adev_to_drm(adev)->mode_config.max_width = 16384; 2931 adev_to_drm(adev)->mode_config.max_height = 16384; 2932 2933 2934 /* allocate crtcs */ 2935 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2936 r = dce_v11_0_crtc_init(adev, i); 2937 if (r) 2938 return r; 2939 } 2940 2941 if (amdgpu_atombios_get_connector_info_from_object_table(adev)) 2942 amdgpu_display_print_display_setup(adev_to_drm(adev)); 2943 else 2944 return -EINVAL; 2945 2946 /* setup afmt */ 2947 r = dce_v11_0_afmt_init(adev); 2948 if (r) 2949 return r; 2950 2951 r = dce_v11_0_audio_init(adev); 2952 if (r) 2953 return r; 2954 2955 /* Disable vblank IRQs aggressively for power-saving */ 2956 /* XXX: can this be enabled for DC? */ 2957 adev_to_drm(adev)->vblank_disable_immediate = true; 2958 2959 r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc); 2960 if (r) 2961 return r; 2962 2963 INIT_DELAYED_WORK(&adev->hotplug_work, 2964 amdgpu_display_hotplug_work_func); 2965 2966 drm_kms_helper_poll_init(adev_to_drm(adev)); 2967 2968 adev->mode_info.mode_config_initialized = true; 2969 return 0; 2970 } 2971 2972 static int dce_v11_0_sw_fini(void *handle) 2973 { 2974 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2975 2976 kfree(adev->mode_info.bios_hardcoded_edid); 2977 2978 drm_kms_helper_poll_fini(adev_to_drm(adev)); 2979 2980 dce_v11_0_audio_fini(adev); 2981 2982 dce_v11_0_afmt_fini(adev); 2983 2984 drm_mode_config_cleanup(adev_to_drm(adev)); 2985 adev->mode_info.mode_config_initialized = false; 2986 2987 return 0; 2988 } 2989 2990 static int dce_v11_0_hw_init(void *handle) 2991 { 2992 int i; 2993 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2994 2995 dce_v11_0_init_golden_registers(adev); 2996 2997 /* disable vga render */ 2998 dce_v11_0_set_vga_render_state(adev, false); 2999 /* init dig PHYs, disp eng pll */ 3000 amdgpu_atombios_crtc_powergate_init(adev); 3001 amdgpu_atombios_encoder_init_dig(adev); 3002 if ((adev->asic_type == CHIP_POLARIS10) || 3003 (adev->asic_type == CHIP_POLARIS11) || 3004 (adev->asic_type == CHIP_POLARIS12) || 3005 (adev->asic_type == CHIP_VEGAM)) { 3006 amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk, 3007 DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS); 3008 amdgpu_atombios_crtc_set_dce_clock(adev, 0, 3009 DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS); 3010 } else { 3011 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk); 3012 } 3013 3014 /* initialize hpd */ 3015 dce_v11_0_hpd_init(adev); 3016 3017 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 3018 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 3019 } 3020 3021 dce_v11_0_pageflip_interrupt_init(adev); 3022 3023 return 0; 3024 } 3025 3026 static int dce_v11_0_hw_fini(void *handle) 3027 { 3028 int i; 3029 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3030 3031 dce_v11_0_hpd_fini(adev); 3032 3033 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 3034 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 3035 } 3036 3037 dce_v11_0_pageflip_interrupt_fini(adev); 3038 3039 flush_delayed_work(&adev->hotplug_work); 3040 3041 return 0; 3042 } 3043 3044 static int dce_v11_0_suspend(void *handle) 3045 { 3046 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3047 int r; 3048 3049 r = amdgpu_display_suspend_helper(adev); 3050 if (r) 3051 return r; 3052 3053 adev->mode_info.bl_level = 3054 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev); 3055 3056 return dce_v11_0_hw_fini(handle); 3057 } 3058 3059 static int dce_v11_0_resume(void *handle) 3060 { 3061 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3062 int ret; 3063 3064 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev, 3065 adev->mode_info.bl_level); 3066 3067 ret = dce_v11_0_hw_init(handle); 3068 3069 /* turn on the BL */ 3070 if (adev->mode_info.bl_encoder) { 3071 u8 bl_level = amdgpu_display_backlight_get_level(adev, 3072 adev->mode_info.bl_encoder); 3073 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder, 3074 bl_level); 3075 } 3076 if (ret) 3077 return ret; 3078 3079 return amdgpu_display_resume_helper(adev); 3080 } 3081 3082 static bool dce_v11_0_is_idle(void *handle) 3083 { 3084 return true; 3085 } 3086 3087 static int dce_v11_0_wait_for_idle(void *handle) 3088 { 3089 return 0; 3090 } 3091 3092 static int dce_v11_0_soft_reset(void *handle) 3093 { 3094 u32 srbm_soft_reset = 0, tmp; 3095 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3096 3097 if (dce_v11_0_is_display_hung(adev)) 3098 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK; 3099 3100 if (srbm_soft_reset) { 3101 tmp = RREG32(mmSRBM_SOFT_RESET); 3102 tmp |= srbm_soft_reset; 3103 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 3104 WREG32(mmSRBM_SOFT_RESET, tmp); 3105 tmp = RREG32(mmSRBM_SOFT_RESET); 3106 3107 udelay(50); 3108 3109 tmp &= ~srbm_soft_reset; 3110 WREG32(mmSRBM_SOFT_RESET, tmp); 3111 tmp = RREG32(mmSRBM_SOFT_RESET); 3112 3113 /* Wait a little for things to settle down */ 3114 udelay(50); 3115 } 3116 return 0; 3117 } 3118 3119 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev, 3120 int crtc, 3121 enum amdgpu_interrupt_state state) 3122 { 3123 u32 lb_interrupt_mask; 3124 3125 if (crtc >= adev->mode_info.num_crtc) { 3126 DRM_DEBUG("invalid crtc %d\n", crtc); 3127 return; 3128 } 3129 3130 switch (state) { 3131 case AMDGPU_IRQ_STATE_DISABLE: 3132 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3133 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3134 VBLANK_INTERRUPT_MASK, 0); 3135 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3136 break; 3137 case AMDGPU_IRQ_STATE_ENABLE: 3138 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3139 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3140 VBLANK_INTERRUPT_MASK, 1); 3141 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3142 break; 3143 default: 3144 break; 3145 } 3146 } 3147 3148 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev, 3149 int crtc, 3150 enum amdgpu_interrupt_state state) 3151 { 3152 u32 lb_interrupt_mask; 3153 3154 if (crtc >= adev->mode_info.num_crtc) { 3155 DRM_DEBUG("invalid crtc %d\n", crtc); 3156 return; 3157 } 3158 3159 switch (state) { 3160 case AMDGPU_IRQ_STATE_DISABLE: 3161 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3162 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3163 VLINE_INTERRUPT_MASK, 0); 3164 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3165 break; 3166 case AMDGPU_IRQ_STATE_ENABLE: 3167 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3168 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3169 VLINE_INTERRUPT_MASK, 1); 3170 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3171 break; 3172 default: 3173 break; 3174 } 3175 } 3176 3177 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev, 3178 struct amdgpu_irq_src *source, 3179 unsigned hpd, 3180 enum amdgpu_interrupt_state state) 3181 { 3182 u32 tmp; 3183 3184 if (hpd >= adev->mode_info.num_hpd) { 3185 DRM_DEBUG("invalid hdp %d\n", hpd); 3186 return 0; 3187 } 3188 3189 switch (state) { 3190 case AMDGPU_IRQ_STATE_DISABLE: 3191 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3192 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 3193 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3194 break; 3195 case AMDGPU_IRQ_STATE_ENABLE: 3196 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3197 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1); 3198 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3199 break; 3200 default: 3201 break; 3202 } 3203 3204 return 0; 3205 } 3206 3207 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev, 3208 struct amdgpu_irq_src *source, 3209 unsigned type, 3210 enum amdgpu_interrupt_state state) 3211 { 3212 switch (type) { 3213 case AMDGPU_CRTC_IRQ_VBLANK1: 3214 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state); 3215 break; 3216 case AMDGPU_CRTC_IRQ_VBLANK2: 3217 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state); 3218 break; 3219 case AMDGPU_CRTC_IRQ_VBLANK3: 3220 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state); 3221 break; 3222 case AMDGPU_CRTC_IRQ_VBLANK4: 3223 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state); 3224 break; 3225 case AMDGPU_CRTC_IRQ_VBLANK5: 3226 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state); 3227 break; 3228 case AMDGPU_CRTC_IRQ_VBLANK6: 3229 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state); 3230 break; 3231 case AMDGPU_CRTC_IRQ_VLINE1: 3232 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state); 3233 break; 3234 case AMDGPU_CRTC_IRQ_VLINE2: 3235 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state); 3236 break; 3237 case AMDGPU_CRTC_IRQ_VLINE3: 3238 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state); 3239 break; 3240 case AMDGPU_CRTC_IRQ_VLINE4: 3241 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state); 3242 break; 3243 case AMDGPU_CRTC_IRQ_VLINE5: 3244 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state); 3245 break; 3246 case AMDGPU_CRTC_IRQ_VLINE6: 3247 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state); 3248 break; 3249 default: 3250 break; 3251 } 3252 return 0; 3253 } 3254 3255 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev, 3256 struct amdgpu_irq_src *src, 3257 unsigned type, 3258 enum amdgpu_interrupt_state state) 3259 { 3260 u32 reg; 3261 3262 if (type >= adev->mode_info.num_crtc) { 3263 DRM_ERROR("invalid pageflip crtc %d\n", type); 3264 return -EINVAL; 3265 } 3266 3267 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]); 3268 if (state == AMDGPU_IRQ_STATE_DISABLE) 3269 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3270 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3271 else 3272 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3273 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3274 3275 return 0; 3276 } 3277 3278 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev, 3279 struct amdgpu_irq_src *source, 3280 struct amdgpu_iv_entry *entry) 3281 { 3282 unsigned long flags; 3283 unsigned crtc_id; 3284 struct amdgpu_crtc *amdgpu_crtc; 3285 struct amdgpu_flip_work *works; 3286 3287 crtc_id = (entry->src_id - 8) >> 1; 3288 amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 3289 3290 if (crtc_id >= adev->mode_info.num_crtc) { 3291 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id); 3292 return -EINVAL; 3293 } 3294 3295 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) & 3296 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK) 3297 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id], 3298 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK); 3299 3300 /* IRQ could occur when in initial stage */ 3301 if(amdgpu_crtc == NULL) 3302 return 0; 3303 3304 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags); 3305 works = amdgpu_crtc->pflip_works; 3306 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){ 3307 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != " 3308 "AMDGPU_FLIP_SUBMITTED(%d)\n", 3309 amdgpu_crtc->pflip_status, 3310 AMDGPU_FLIP_SUBMITTED); 3311 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 3312 return 0; 3313 } 3314 3315 /* page flip completed. clean up */ 3316 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE; 3317 amdgpu_crtc->pflip_works = NULL; 3318 3319 /* wakeup usersapce */ 3320 if(works->event) 3321 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event); 3322 3323 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 3324 3325 drm_crtc_vblank_put(&amdgpu_crtc->base); 3326 schedule_work(&works->unpin_work); 3327 3328 return 0; 3329 } 3330 3331 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev, 3332 int hpd) 3333 { 3334 u32 tmp; 3335 3336 if (hpd >= adev->mode_info.num_hpd) { 3337 DRM_DEBUG("invalid hdp %d\n", hpd); 3338 return; 3339 } 3340 3341 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3342 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1); 3343 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3344 } 3345 3346 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev, 3347 int crtc) 3348 { 3349 u32 tmp; 3350 3351 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) { 3352 DRM_DEBUG("invalid crtc %d\n", crtc); 3353 return; 3354 } 3355 3356 tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]); 3357 tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1); 3358 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp); 3359 } 3360 3361 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev, 3362 int crtc) 3363 { 3364 u32 tmp; 3365 3366 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) { 3367 DRM_DEBUG("invalid crtc %d\n", crtc); 3368 return; 3369 } 3370 3371 tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]); 3372 tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1); 3373 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp); 3374 } 3375 3376 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev, 3377 struct amdgpu_irq_src *source, 3378 struct amdgpu_iv_entry *entry) 3379 { 3380 unsigned crtc = entry->src_id - 1; 3381 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg); 3382 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, 3383 crtc); 3384 3385 switch (entry->src_data[0]) { 3386 case 0: /* vblank */ 3387 if (disp_int & interrupt_status_offsets[crtc].vblank) 3388 dce_v11_0_crtc_vblank_int_ack(adev, crtc); 3389 else 3390 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3391 3392 if (amdgpu_irq_enabled(adev, source, irq_type)) { 3393 drm_handle_vblank(adev_to_drm(adev), crtc); 3394 } 3395 DRM_DEBUG("IH: D%d vblank\n", crtc + 1); 3396 3397 break; 3398 case 1: /* vline */ 3399 if (disp_int & interrupt_status_offsets[crtc].vline) 3400 dce_v11_0_crtc_vline_int_ack(adev, crtc); 3401 else 3402 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3403 3404 DRM_DEBUG("IH: D%d vline\n", crtc + 1); 3405 3406 break; 3407 default: 3408 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); 3409 break; 3410 } 3411 3412 return 0; 3413 } 3414 3415 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev, 3416 struct amdgpu_irq_src *source, 3417 struct amdgpu_iv_entry *entry) 3418 { 3419 uint32_t disp_int, mask; 3420 unsigned hpd; 3421 3422 if (entry->src_data[0] >= adev->mode_info.num_hpd) { 3423 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); 3424 return 0; 3425 } 3426 3427 hpd = entry->src_data[0]; 3428 disp_int = RREG32(interrupt_status_offsets[hpd].reg); 3429 mask = interrupt_status_offsets[hpd].hpd; 3430 3431 if (disp_int & mask) { 3432 dce_v11_0_hpd_int_ack(adev, hpd); 3433 schedule_delayed_work(&adev->hotplug_work, 0); 3434 DRM_DEBUG("IH: HPD%d\n", hpd + 1); 3435 } 3436 3437 return 0; 3438 } 3439 3440 static int dce_v11_0_set_clockgating_state(void *handle, 3441 enum amd_clockgating_state state) 3442 { 3443 return 0; 3444 } 3445 3446 static int dce_v11_0_set_powergating_state(void *handle, 3447 enum amd_powergating_state state) 3448 { 3449 return 0; 3450 } 3451 3452 static const struct amd_ip_funcs dce_v11_0_ip_funcs = { 3453 .name = "dce_v11_0", 3454 .early_init = dce_v11_0_early_init, 3455 .late_init = NULL, 3456 .sw_init = dce_v11_0_sw_init, 3457 .sw_fini = dce_v11_0_sw_fini, 3458 .hw_init = dce_v11_0_hw_init, 3459 .hw_fini = dce_v11_0_hw_fini, 3460 .suspend = dce_v11_0_suspend, 3461 .resume = dce_v11_0_resume, 3462 .is_idle = dce_v11_0_is_idle, 3463 .wait_for_idle = dce_v11_0_wait_for_idle, 3464 .soft_reset = dce_v11_0_soft_reset, 3465 .set_clockgating_state = dce_v11_0_set_clockgating_state, 3466 .set_powergating_state = dce_v11_0_set_powergating_state, 3467 }; 3468 3469 static void 3470 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder, 3471 struct drm_display_mode *mode, 3472 struct drm_display_mode *adjusted_mode) 3473 { 3474 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3475 3476 amdgpu_encoder->pixel_clock = adjusted_mode->clock; 3477 3478 /* need to call this here rather than in prepare() since we need some crtc info */ 3479 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3480 3481 /* set scaler clears this on some chips */ 3482 dce_v11_0_set_interleave(encoder->crtc, mode); 3483 3484 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) { 3485 dce_v11_0_afmt_enable(encoder, true); 3486 dce_v11_0_afmt_setmode(encoder, adjusted_mode); 3487 } 3488 } 3489 3490 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder) 3491 { 3492 struct amdgpu_device *adev = drm_to_adev(encoder->dev); 3493 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3494 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 3495 3496 if ((amdgpu_encoder->active_device & 3497 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) || 3498 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != 3499 ENCODER_OBJECT_ID_NONE)) { 3500 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 3501 if (dig) { 3502 dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder); 3503 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT) 3504 dig->afmt = adev->mode_info.afmt[dig->dig_encoder]; 3505 } 3506 } 3507 3508 amdgpu_atombios_scratch_regs_lock(adev, true); 3509 3510 if (connector) { 3511 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 3512 3513 /* select the clock/data port if it uses a router */ 3514 if (amdgpu_connector->router.cd_valid) 3515 amdgpu_i2c_router_select_cd_port(amdgpu_connector); 3516 3517 /* turn eDP panel on for mode set */ 3518 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) 3519 amdgpu_atombios_encoder_set_edp_panel_power(connector, 3520 ATOM_TRANSMITTER_ACTION_POWER_ON); 3521 } 3522 3523 /* this is needed for the pll/ss setup to work correctly in some cases */ 3524 amdgpu_atombios_encoder_set_crtc_source(encoder); 3525 /* set up the FMT blocks */ 3526 dce_v11_0_program_fmt(encoder); 3527 } 3528 3529 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder) 3530 { 3531 struct drm_device *dev = encoder->dev; 3532 struct amdgpu_device *adev = drm_to_adev(dev); 3533 3534 /* need to call this here as we need the crtc set up */ 3535 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON); 3536 amdgpu_atombios_scratch_regs_lock(adev, false); 3537 } 3538 3539 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder) 3540 { 3541 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3542 struct amdgpu_encoder_atom_dig *dig; 3543 3544 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3545 3546 if (amdgpu_atombios_encoder_is_digital(encoder)) { 3547 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) 3548 dce_v11_0_afmt_enable(encoder, false); 3549 dig = amdgpu_encoder->enc_priv; 3550 dig->dig_encoder = -1; 3551 } 3552 amdgpu_encoder->active_device = 0; 3553 } 3554 3555 /* these are handled by the primary encoders */ 3556 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder) 3557 { 3558 3559 } 3560 3561 static void dce_v11_0_ext_commit(struct drm_encoder *encoder) 3562 { 3563 3564 } 3565 3566 static void 3567 dce_v11_0_ext_mode_set(struct drm_encoder *encoder, 3568 struct drm_display_mode *mode, 3569 struct drm_display_mode *adjusted_mode) 3570 { 3571 3572 } 3573 3574 static void dce_v11_0_ext_disable(struct drm_encoder *encoder) 3575 { 3576 3577 } 3578 3579 static void 3580 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode) 3581 { 3582 3583 } 3584 3585 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = { 3586 .dpms = dce_v11_0_ext_dpms, 3587 .prepare = dce_v11_0_ext_prepare, 3588 .mode_set = dce_v11_0_ext_mode_set, 3589 .commit = dce_v11_0_ext_commit, 3590 .disable = dce_v11_0_ext_disable, 3591 /* no detect for TMDS/LVDS yet */ 3592 }; 3593 3594 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = { 3595 .dpms = amdgpu_atombios_encoder_dpms, 3596 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3597 .prepare = dce_v11_0_encoder_prepare, 3598 .mode_set = dce_v11_0_encoder_mode_set, 3599 .commit = dce_v11_0_encoder_commit, 3600 .disable = dce_v11_0_encoder_disable, 3601 .detect = amdgpu_atombios_encoder_dig_detect, 3602 }; 3603 3604 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = { 3605 .dpms = amdgpu_atombios_encoder_dpms, 3606 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3607 .prepare = dce_v11_0_encoder_prepare, 3608 .mode_set = dce_v11_0_encoder_mode_set, 3609 .commit = dce_v11_0_encoder_commit, 3610 .detect = amdgpu_atombios_encoder_dac_detect, 3611 }; 3612 3613 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder) 3614 { 3615 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3616 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3617 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder); 3618 kfree(amdgpu_encoder->enc_priv); 3619 drm_encoder_cleanup(encoder); 3620 kfree(amdgpu_encoder); 3621 } 3622 3623 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = { 3624 .destroy = dce_v11_0_encoder_destroy, 3625 }; 3626 3627 static void dce_v11_0_encoder_add(struct amdgpu_device *adev, 3628 uint32_t encoder_enum, 3629 uint32_t supported_device, 3630 u16 caps) 3631 { 3632 struct drm_device *dev = adev_to_drm(adev); 3633 struct drm_encoder *encoder; 3634 struct amdgpu_encoder *amdgpu_encoder; 3635 3636 /* see if we already added it */ 3637 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 3638 amdgpu_encoder = to_amdgpu_encoder(encoder); 3639 if (amdgpu_encoder->encoder_enum == encoder_enum) { 3640 amdgpu_encoder->devices |= supported_device; 3641 return; 3642 } 3643 3644 } 3645 3646 /* add a new one */ 3647 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL); 3648 if (!amdgpu_encoder) 3649 return; 3650 3651 encoder = &amdgpu_encoder->base; 3652 switch (adev->mode_info.num_crtc) { 3653 case 1: 3654 encoder->possible_crtcs = 0x1; 3655 break; 3656 case 2: 3657 default: 3658 encoder->possible_crtcs = 0x3; 3659 break; 3660 case 3: 3661 encoder->possible_crtcs = 0x7; 3662 break; 3663 case 4: 3664 encoder->possible_crtcs = 0xf; 3665 break; 3666 case 5: 3667 encoder->possible_crtcs = 0x1f; 3668 break; 3669 case 6: 3670 encoder->possible_crtcs = 0x3f; 3671 break; 3672 } 3673 3674 amdgpu_encoder->enc_priv = NULL; 3675 3676 amdgpu_encoder->encoder_enum = encoder_enum; 3677 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT; 3678 amdgpu_encoder->devices = supported_device; 3679 amdgpu_encoder->rmx_type = RMX_OFF; 3680 amdgpu_encoder->underscan_type = UNDERSCAN_OFF; 3681 amdgpu_encoder->is_ext_encoder = false; 3682 amdgpu_encoder->caps = caps; 3683 3684 switch (amdgpu_encoder->encoder_id) { 3685 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1: 3686 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2: 3687 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3688 DRM_MODE_ENCODER_DAC, NULL); 3689 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs); 3690 break; 3691 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 3692 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 3693 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 3694 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 3695 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 3696 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 3697 amdgpu_encoder->rmx_type = RMX_FULL; 3698 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3699 DRM_MODE_ENCODER_LVDS, NULL); 3700 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder); 3701 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) { 3702 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3703 DRM_MODE_ENCODER_DAC, NULL); 3704 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3705 } else { 3706 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3707 DRM_MODE_ENCODER_TMDS, NULL); 3708 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3709 } 3710 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs); 3711 break; 3712 case ENCODER_OBJECT_ID_SI170B: 3713 case ENCODER_OBJECT_ID_CH7303: 3714 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA: 3715 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB: 3716 case ENCODER_OBJECT_ID_TITFP513: 3717 case ENCODER_OBJECT_ID_VT1623: 3718 case ENCODER_OBJECT_ID_HDMI_SI1930: 3719 case ENCODER_OBJECT_ID_TRAVIS: 3720 case ENCODER_OBJECT_ID_NUTMEG: 3721 /* these are handled by the primary encoders */ 3722 amdgpu_encoder->is_ext_encoder = true; 3723 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3724 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3725 DRM_MODE_ENCODER_LVDS, NULL); 3726 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) 3727 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3728 DRM_MODE_ENCODER_DAC, NULL); 3729 else 3730 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs, 3731 DRM_MODE_ENCODER_TMDS, NULL); 3732 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs); 3733 break; 3734 } 3735 } 3736 3737 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = { 3738 .bandwidth_update = &dce_v11_0_bandwidth_update, 3739 .vblank_get_counter = &dce_v11_0_vblank_get_counter, 3740 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level, 3741 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level, 3742 .hpd_sense = &dce_v11_0_hpd_sense, 3743 .hpd_set_polarity = &dce_v11_0_hpd_set_polarity, 3744 .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg, 3745 .page_flip = &dce_v11_0_page_flip, 3746 .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos, 3747 .add_encoder = &dce_v11_0_encoder_add, 3748 .add_connector = &amdgpu_connector_add, 3749 }; 3750 3751 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev) 3752 { 3753 adev->mode_info.funcs = &dce_v11_0_display_funcs; 3754 } 3755 3756 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = { 3757 .set = dce_v11_0_set_crtc_irq_state, 3758 .process = dce_v11_0_crtc_irq, 3759 }; 3760 3761 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = { 3762 .set = dce_v11_0_set_pageflip_irq_state, 3763 .process = dce_v11_0_pageflip_irq, 3764 }; 3765 3766 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = { 3767 .set = dce_v11_0_set_hpd_irq_state, 3768 .process = dce_v11_0_hpd_irq, 3769 }; 3770 3771 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev) 3772 { 3773 if (adev->mode_info.num_crtc > 0) 3774 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc; 3775 else 3776 adev->crtc_irq.num_types = 0; 3777 adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs; 3778 3779 adev->pageflip_irq.num_types = adev->mode_info.num_crtc; 3780 adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs; 3781 3782 adev->hpd_irq.num_types = adev->mode_info.num_hpd; 3783 adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs; 3784 } 3785 3786 const struct amdgpu_ip_block_version dce_v11_0_ip_block = 3787 { 3788 .type = AMD_IP_BLOCK_TYPE_DCE, 3789 .major = 11, 3790 .minor = 0, 3791 .rev = 0, 3792 .funcs = &dce_v11_0_ip_funcs, 3793 }; 3794 3795 const struct amdgpu_ip_block_version dce_v11_2_ip_block = 3796 { 3797 .type = AMD_IP_BLOCK_TYPE_DCE, 3798 .major = 11, 3799 .minor = 2, 3800 .rev = 0, 3801 .funcs = &dce_v11_0_ip_funcs, 3802 }; 3803