1 /* 2 * Copyright 2014 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 */ 23 24 #include <drm/drm_fourcc.h> 25 #include <drm/drm_modeset_helper.h> 26 #include <drm/drm_modeset_helper_vtables.h> 27 #include <drm/drm_vblank.h> 28 29 #include "amdgpu.h" 30 #include "amdgpu_pm.h" 31 #include "amdgpu_i2c.h" 32 #include "vid.h" 33 #include "atom.h" 34 #include "amdgpu_atombios.h" 35 #include "atombios_crtc.h" 36 #include "atombios_encoders.h" 37 #include "amdgpu_pll.h" 38 #include "amdgpu_connectors.h" 39 #include "amdgpu_display.h" 40 #include "dce_v10_0.h" 41 42 #include "dce/dce_10_0_d.h" 43 #include "dce/dce_10_0_sh_mask.h" 44 #include "dce/dce_10_0_enum.h" 45 #include "oss/oss_3_0_d.h" 46 #include "oss/oss_3_0_sh_mask.h" 47 #include "gmc/gmc_8_1_d.h" 48 #include "gmc/gmc_8_1_sh_mask.h" 49 50 #include "ivsrcid/ivsrcid_vislands30.h" 51 52 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev); 53 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev); 54 55 static const u32 crtc_offsets[] = { 56 CRTC0_REGISTER_OFFSET, 57 CRTC1_REGISTER_OFFSET, 58 CRTC2_REGISTER_OFFSET, 59 CRTC3_REGISTER_OFFSET, 60 CRTC4_REGISTER_OFFSET, 61 CRTC5_REGISTER_OFFSET, 62 CRTC6_REGISTER_OFFSET 63 }; 64 65 static const u32 hpd_offsets[] = { 66 HPD0_REGISTER_OFFSET, 67 HPD1_REGISTER_OFFSET, 68 HPD2_REGISTER_OFFSET, 69 HPD3_REGISTER_OFFSET, 70 HPD4_REGISTER_OFFSET, 71 HPD5_REGISTER_OFFSET 72 }; 73 74 static const uint32_t dig_offsets[] = { 75 DIG0_REGISTER_OFFSET, 76 DIG1_REGISTER_OFFSET, 77 DIG2_REGISTER_OFFSET, 78 DIG3_REGISTER_OFFSET, 79 DIG4_REGISTER_OFFSET, 80 DIG5_REGISTER_OFFSET, 81 DIG6_REGISTER_OFFSET 82 }; 83 84 static const struct { 85 uint32_t reg; 86 uint32_t vblank; 87 uint32_t vline; 88 uint32_t hpd; 89 90 } interrupt_status_offsets[] = { { 91 .reg = mmDISP_INTERRUPT_STATUS, 92 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK, 93 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK, 94 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK 95 }, { 96 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE, 97 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK, 98 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK, 99 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK 100 }, { 101 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2, 102 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK, 103 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK, 104 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK 105 }, { 106 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3, 107 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK, 108 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK, 109 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK 110 }, { 111 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4, 112 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK, 113 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK, 114 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK 115 }, { 116 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5, 117 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK, 118 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK, 119 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK 120 } }; 121 122 static const u32 golden_settings_tonga_a11[] = { 123 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 124 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 125 mmFBC_MISC, 0x1f311fff, 0x12300000, 126 mmHDMI_CONTROL, 0x31000111, 0x00000011, 127 }; 128 129 static const u32 tonga_mgcg_cgcg_init[] = { 130 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100, 131 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000, 132 }; 133 134 static const u32 golden_settings_fiji_a10[] = { 135 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 136 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 137 mmFBC_MISC, 0x1f311fff, 0x12300000, 138 mmHDMI_CONTROL, 0x31000111, 0x00000011, 139 }; 140 141 static const u32 fiji_mgcg_cgcg_init[] = { 142 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100, 143 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000, 144 }; 145 146 static void dce_v10_0_init_golden_registers(struct amdgpu_device *adev) 147 { 148 switch (adev->asic_type) { 149 case CHIP_FIJI: 150 amdgpu_device_program_register_sequence(adev, 151 fiji_mgcg_cgcg_init, 152 ARRAY_SIZE(fiji_mgcg_cgcg_init)); 153 amdgpu_device_program_register_sequence(adev, 154 golden_settings_fiji_a10, 155 ARRAY_SIZE(golden_settings_fiji_a10)); 156 break; 157 case CHIP_TONGA: 158 amdgpu_device_program_register_sequence(adev, 159 tonga_mgcg_cgcg_init, 160 ARRAY_SIZE(tonga_mgcg_cgcg_init)); 161 amdgpu_device_program_register_sequence(adev, 162 golden_settings_tonga_a11, 163 ARRAY_SIZE(golden_settings_tonga_a11)); 164 break; 165 default: 166 break; 167 } 168 } 169 170 static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev, 171 u32 block_offset, u32 reg) 172 { 173 unsigned long flags; 174 u32 r; 175 176 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 177 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 178 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset); 179 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 180 181 return r; 182 } 183 184 static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev, 185 u32 block_offset, u32 reg, u32 v) 186 { 187 unsigned long flags; 188 189 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 190 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 191 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v); 192 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 193 } 194 195 static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc) 196 { 197 if (crtc >= adev->mode_info.num_crtc) 198 return 0; 199 else 200 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]); 201 } 202 203 static void dce_v10_0_pageflip_interrupt_init(struct amdgpu_device *adev) 204 { 205 unsigned i; 206 207 /* Enable pflip interrupts */ 208 for (i = 0; i < adev->mode_info.num_crtc; i++) 209 amdgpu_irq_get(adev, &adev->pageflip_irq, i); 210 } 211 212 static void dce_v10_0_pageflip_interrupt_fini(struct amdgpu_device *adev) 213 { 214 unsigned i; 215 216 /* Disable pflip interrupts */ 217 for (i = 0; i < adev->mode_info.num_crtc; i++) 218 amdgpu_irq_put(adev, &adev->pageflip_irq, i); 219 } 220 221 /** 222 * dce_v10_0_page_flip - pageflip callback. 223 * 224 * @adev: amdgpu_device pointer 225 * @crtc_id: crtc to cleanup pageflip on 226 * @crtc_base: new address of the crtc (GPU MC address) 227 * @async: asynchronous flip 228 * 229 * Triggers the actual pageflip by updating the primary 230 * surface base address. 231 */ 232 static void dce_v10_0_page_flip(struct amdgpu_device *adev, 233 int crtc_id, u64 crtc_base, bool async) 234 { 235 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 236 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb; 237 u32 tmp; 238 239 /* flip at hsync for async, default is vsync */ 240 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 241 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 242 GRPH_SURFACE_UPDATE_H_RETRACE_EN, async ? 1 : 0); 243 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 244 /* update pitch */ 245 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, 246 fb->pitches[0] / fb->format->cpp[0]); 247 /* update the primary scanout address */ 248 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 249 upper_32_bits(crtc_base)); 250 /* writing to the low address triggers the update */ 251 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 252 lower_32_bits(crtc_base)); 253 /* post the write */ 254 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset); 255 } 256 257 static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, 258 u32 *vbl, u32 *position) 259 { 260 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc)) 261 return -EINVAL; 262 263 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]); 264 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 265 266 return 0; 267 } 268 269 /** 270 * dce_v10_0_hpd_sense - hpd sense callback. 271 * 272 * @adev: amdgpu_device pointer 273 * @hpd: hpd (hotplug detect) pin 274 * 275 * Checks if a digital monitor is connected (evergreen+). 276 * Returns true if connected, false if not connected. 277 */ 278 static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev, 279 enum amdgpu_hpd_id hpd) 280 { 281 bool connected = false; 282 283 if (hpd >= adev->mode_info.num_hpd) 284 return connected; 285 286 if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) & 287 DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK) 288 connected = true; 289 290 return connected; 291 } 292 293 /** 294 * dce_v10_0_hpd_set_polarity - hpd set polarity callback. 295 * 296 * @adev: amdgpu_device pointer 297 * @hpd: hpd (hotplug detect) pin 298 * 299 * Set the polarity of the hpd pin (evergreen+). 300 */ 301 static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev, 302 enum amdgpu_hpd_id hpd) 303 { 304 u32 tmp; 305 bool connected = dce_v10_0_hpd_sense(adev, hpd); 306 307 if (hpd >= adev->mode_info.num_hpd) 308 return; 309 310 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 311 if (connected) 312 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0); 313 else 314 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1); 315 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 316 } 317 318 /** 319 * dce_v10_0_hpd_init - hpd setup callback. 320 * 321 * @adev: amdgpu_device pointer 322 * 323 * Setup the hpd pins used by the card (evergreen+). 324 * Enable the pin, set the polarity, and enable the hpd interrupts. 325 */ 326 static void dce_v10_0_hpd_init(struct amdgpu_device *adev) 327 { 328 struct drm_device *dev = adev_to_drm(adev); 329 struct drm_connector *connector; 330 struct drm_connector_list_iter iter; 331 u32 tmp; 332 333 drm_connector_list_iter_begin(dev, &iter); 334 drm_for_each_connector_iter(connector, &iter) { 335 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 336 337 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 338 continue; 339 340 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 341 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { 342 /* don't try to enable hpd on eDP or LVDS avoid breaking the 343 * aux dp channel on imac and help (but not completely fix) 344 * https://bugzilla.redhat.com/show_bug.cgi?id=726143 345 * also avoid interrupt storms during dpms. 346 */ 347 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 348 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 349 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 350 continue; 351 } 352 353 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 354 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1); 355 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 356 357 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]); 358 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 359 DC_HPD_CONNECT_INT_DELAY, 360 AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS); 361 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 362 DC_HPD_DISCONNECT_INT_DELAY, 363 AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS); 364 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 365 366 dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); 367 amdgpu_irq_get(adev, &adev->hpd_irq, 368 amdgpu_connector->hpd.hpd); 369 } 370 drm_connector_list_iter_end(&iter); 371 } 372 373 /** 374 * dce_v10_0_hpd_fini - hpd tear down callback. 375 * 376 * @adev: amdgpu_device pointer 377 * 378 * Tear down the hpd pins used by the card (evergreen+). 379 * Disable the hpd interrupts. 380 */ 381 static void dce_v10_0_hpd_fini(struct amdgpu_device *adev) 382 { 383 struct drm_device *dev = adev_to_drm(adev); 384 struct drm_connector *connector; 385 struct drm_connector_list_iter iter; 386 u32 tmp; 387 388 drm_connector_list_iter_begin(dev, &iter); 389 drm_for_each_connector_iter(connector, &iter) { 390 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 391 392 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 393 continue; 394 395 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 396 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0); 397 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 398 399 amdgpu_irq_put(adev, &adev->hpd_irq, 400 amdgpu_connector->hpd.hpd); 401 } 402 drm_connector_list_iter_end(&iter); 403 } 404 405 static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev) 406 { 407 return mmDC_GPIO_HPD_A; 408 } 409 410 static bool dce_v10_0_is_display_hung(struct amdgpu_device *adev) 411 { 412 u32 crtc_hung = 0; 413 u32 crtc_status[6]; 414 u32 i, j, tmp; 415 416 for (i = 0; i < adev->mode_info.num_crtc; i++) { 417 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 418 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) { 419 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 420 crtc_hung |= (1 << i); 421 } 422 } 423 424 for (j = 0; j < 10; j++) { 425 for (i = 0; i < adev->mode_info.num_crtc; i++) { 426 if (crtc_hung & (1 << i)) { 427 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 428 if (tmp != crtc_status[i]) 429 crtc_hung &= ~(1 << i); 430 } 431 } 432 if (crtc_hung == 0) 433 return false; 434 udelay(100); 435 } 436 437 return true; 438 } 439 440 static void dce_v10_0_set_vga_render_state(struct amdgpu_device *adev, 441 bool render) 442 { 443 u32 tmp; 444 445 /* Lockout access through VGA aperture*/ 446 tmp = RREG32(mmVGA_HDP_CONTROL); 447 if (render) 448 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0); 449 else 450 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); 451 WREG32(mmVGA_HDP_CONTROL, tmp); 452 453 /* disable VGA render */ 454 tmp = RREG32(mmVGA_RENDER_CONTROL); 455 if (render) 456 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1); 457 else 458 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 459 WREG32(mmVGA_RENDER_CONTROL, tmp); 460 } 461 462 static int dce_v10_0_get_num_crtc(struct amdgpu_device *adev) 463 { 464 int num_crtc = 0; 465 466 switch (adev->asic_type) { 467 case CHIP_FIJI: 468 case CHIP_TONGA: 469 num_crtc = 6; 470 break; 471 default: 472 num_crtc = 0; 473 } 474 return num_crtc; 475 } 476 477 void dce_v10_0_disable_dce(struct amdgpu_device *adev) 478 { 479 /*Disable VGA render and enabled crtc, if has DCE engine*/ 480 if (amdgpu_atombios_has_dce_engine_info(adev)) { 481 u32 tmp; 482 int crtc_enabled, i; 483 484 dce_v10_0_set_vga_render_state(adev, false); 485 486 /*Disable crtc*/ 487 for (i = 0; i < dce_v10_0_get_num_crtc(adev); i++) { 488 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]), 489 CRTC_CONTROL, CRTC_MASTER_EN); 490 if (crtc_enabled) { 491 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1); 492 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 493 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0); 494 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp); 495 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0); 496 } 497 } 498 } 499 } 500 501 static void dce_v10_0_program_fmt(struct drm_encoder *encoder) 502 { 503 struct drm_device *dev = encoder->dev; 504 struct amdgpu_device *adev = drm_to_adev(dev); 505 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 506 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 507 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 508 int bpc = 0; 509 u32 tmp = 0; 510 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE; 511 512 if (connector) { 513 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 514 bpc = amdgpu_connector_get_monitor_bpc(connector); 515 dither = amdgpu_connector->dither; 516 } 517 518 /* LVDS/eDP FMT is set up by atom */ 519 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 520 return; 521 522 /* not needed for analog */ 523 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) || 524 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2)) 525 return; 526 527 if (bpc == 0) 528 return; 529 530 switch (bpc) { 531 case 6: 532 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 533 /* XXX sort out optimal dither settings */ 534 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 535 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 536 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 537 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0); 538 } else { 539 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 540 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0); 541 } 542 break; 543 case 8: 544 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 545 /* XXX sort out optimal dither settings */ 546 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 547 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 548 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 549 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 550 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1); 551 } else { 552 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 553 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1); 554 } 555 break; 556 case 10: 557 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 558 /* XXX sort out optimal dither settings */ 559 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 560 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 561 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 562 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 563 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2); 564 } else { 565 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 566 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2); 567 } 568 break; 569 default: 570 /* not needed */ 571 break; 572 } 573 574 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 575 } 576 577 578 /* display watermark setup */ 579 /** 580 * dce_v10_0_line_buffer_adjust - Set up the line buffer 581 * 582 * @adev: amdgpu_device pointer 583 * @amdgpu_crtc: the selected display controller 584 * @mode: the current display mode on the selected display 585 * controller 586 * 587 * Setup up the line buffer allocation for 588 * the selected display controller (CIK). 589 * Returns the line buffer size in pixels. 590 */ 591 static u32 dce_v10_0_line_buffer_adjust(struct amdgpu_device *adev, 592 struct amdgpu_crtc *amdgpu_crtc, 593 struct drm_display_mode *mode) 594 { 595 u32 tmp, buffer_alloc, i, mem_cfg; 596 u32 pipe_offset = amdgpu_crtc->crtc_id; 597 /* 598 * Line Buffer Setup 599 * There are 6 line buffers, one for each display controllers. 600 * There are 3 partitions per LB. Select the number of partitions 601 * to enable based on the display width. For display widths larger 602 * than 4096, you need use to use 2 display controllers and combine 603 * them using the stereo blender. 604 */ 605 if (amdgpu_crtc->base.enabled && mode) { 606 if (mode->crtc_hdisplay < 1920) { 607 mem_cfg = 1; 608 buffer_alloc = 2; 609 } else if (mode->crtc_hdisplay < 2560) { 610 mem_cfg = 2; 611 buffer_alloc = 2; 612 } else if (mode->crtc_hdisplay < 4096) { 613 mem_cfg = 0; 614 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 615 } else { 616 DRM_DEBUG_KMS("Mode too big for LB!\n"); 617 mem_cfg = 0; 618 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 619 } 620 } else { 621 mem_cfg = 1; 622 buffer_alloc = 0; 623 } 624 625 tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset); 626 tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg); 627 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp); 628 629 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 630 tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc); 631 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp); 632 633 for (i = 0; i < adev->usec_timeout; i++) { 634 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 635 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED)) 636 break; 637 udelay(1); 638 } 639 640 if (amdgpu_crtc->base.enabled && mode) { 641 switch (mem_cfg) { 642 case 0: 643 default: 644 return 4096 * 2; 645 case 1: 646 return 1920 * 2; 647 case 2: 648 return 2560 * 2; 649 } 650 } 651 652 /* controller not enabled, so no lb used */ 653 return 0; 654 } 655 656 /** 657 * cik_get_number_of_dram_channels - get the number of dram channels 658 * 659 * @adev: amdgpu_device pointer 660 * 661 * Look up the number of video ram channels (CIK). 662 * Used for display watermark bandwidth calculations 663 * Returns the number of dram channels 664 */ 665 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev) 666 { 667 u32 tmp = RREG32(mmMC_SHARED_CHMAP); 668 669 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) { 670 case 0: 671 default: 672 return 1; 673 case 1: 674 return 2; 675 case 2: 676 return 4; 677 case 3: 678 return 8; 679 case 4: 680 return 3; 681 case 5: 682 return 6; 683 case 6: 684 return 10; 685 case 7: 686 return 12; 687 case 8: 688 return 16; 689 } 690 } 691 692 struct dce10_wm_params { 693 u32 dram_channels; /* number of dram channels */ 694 u32 yclk; /* bandwidth per dram data pin in kHz */ 695 u32 sclk; /* engine clock in kHz */ 696 u32 disp_clk; /* display clock in kHz */ 697 u32 src_width; /* viewport width */ 698 u32 active_time; /* active display time in ns */ 699 u32 blank_time; /* blank time in ns */ 700 bool interlaced; /* mode is interlaced */ 701 fixed20_12 vsc; /* vertical scale ratio */ 702 u32 num_heads; /* number of active crtcs */ 703 u32 bytes_per_pixel; /* bytes per pixel display + overlay */ 704 u32 lb_size; /* line buffer allocated to pipe */ 705 u32 vtaps; /* vertical scaler taps */ 706 }; 707 708 /** 709 * dce_v10_0_dram_bandwidth - get the dram bandwidth 710 * 711 * @wm: watermark calculation data 712 * 713 * Calculate the raw dram bandwidth (CIK). 714 * Used for display watermark bandwidth calculations 715 * Returns the dram bandwidth in MBytes/s 716 */ 717 static u32 dce_v10_0_dram_bandwidth(struct dce10_wm_params *wm) 718 { 719 /* Calculate raw DRAM Bandwidth */ 720 fixed20_12 dram_efficiency; /* 0.7 */ 721 fixed20_12 yclk, dram_channels, bandwidth; 722 fixed20_12 a; 723 724 a.full = dfixed_const(1000); 725 yclk.full = dfixed_const(wm->yclk); 726 yclk.full = dfixed_div(yclk, a); 727 dram_channels.full = dfixed_const(wm->dram_channels * 4); 728 a.full = dfixed_const(10); 729 dram_efficiency.full = dfixed_const(7); 730 dram_efficiency.full = dfixed_div(dram_efficiency, a); 731 bandwidth.full = dfixed_mul(dram_channels, yclk); 732 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency); 733 734 return dfixed_trunc(bandwidth); 735 } 736 737 /** 738 * dce_v10_0_dram_bandwidth_for_display - get the dram bandwidth for display 739 * 740 * @wm: watermark calculation data 741 * 742 * Calculate the dram bandwidth used for display (CIK). 743 * Used for display watermark bandwidth calculations 744 * Returns the dram bandwidth for display in MBytes/s 745 */ 746 static u32 dce_v10_0_dram_bandwidth_for_display(struct dce10_wm_params *wm) 747 { 748 /* Calculate DRAM Bandwidth and the part allocated to display. */ 749 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */ 750 fixed20_12 yclk, dram_channels, bandwidth; 751 fixed20_12 a; 752 753 a.full = dfixed_const(1000); 754 yclk.full = dfixed_const(wm->yclk); 755 yclk.full = dfixed_div(yclk, a); 756 dram_channels.full = dfixed_const(wm->dram_channels * 4); 757 a.full = dfixed_const(10); 758 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */ 759 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a); 760 bandwidth.full = dfixed_mul(dram_channels, yclk); 761 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation); 762 763 return dfixed_trunc(bandwidth); 764 } 765 766 /** 767 * dce_v10_0_data_return_bandwidth - get the data return bandwidth 768 * 769 * @wm: watermark calculation data 770 * 771 * Calculate the data return bandwidth used for display (CIK). 772 * Used for display watermark bandwidth calculations 773 * Returns the data return bandwidth in MBytes/s 774 */ 775 static u32 dce_v10_0_data_return_bandwidth(struct dce10_wm_params *wm) 776 { 777 /* Calculate the display Data return Bandwidth */ 778 fixed20_12 return_efficiency; /* 0.8 */ 779 fixed20_12 sclk, bandwidth; 780 fixed20_12 a; 781 782 a.full = dfixed_const(1000); 783 sclk.full = dfixed_const(wm->sclk); 784 sclk.full = dfixed_div(sclk, a); 785 a.full = dfixed_const(10); 786 return_efficiency.full = dfixed_const(8); 787 return_efficiency.full = dfixed_div(return_efficiency, a); 788 a.full = dfixed_const(32); 789 bandwidth.full = dfixed_mul(a, sclk); 790 bandwidth.full = dfixed_mul(bandwidth, return_efficiency); 791 792 return dfixed_trunc(bandwidth); 793 } 794 795 /** 796 * dce_v10_0_dmif_request_bandwidth - get the dmif bandwidth 797 * 798 * @wm: watermark calculation data 799 * 800 * Calculate the dmif bandwidth used for display (CIK). 801 * Used for display watermark bandwidth calculations 802 * Returns the dmif bandwidth in MBytes/s 803 */ 804 static u32 dce_v10_0_dmif_request_bandwidth(struct dce10_wm_params *wm) 805 { 806 /* Calculate the DMIF Request Bandwidth */ 807 fixed20_12 disp_clk_request_efficiency; /* 0.8 */ 808 fixed20_12 disp_clk, bandwidth; 809 fixed20_12 a, b; 810 811 a.full = dfixed_const(1000); 812 disp_clk.full = dfixed_const(wm->disp_clk); 813 disp_clk.full = dfixed_div(disp_clk, a); 814 a.full = dfixed_const(32); 815 b.full = dfixed_mul(a, disp_clk); 816 817 a.full = dfixed_const(10); 818 disp_clk_request_efficiency.full = dfixed_const(8); 819 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a); 820 821 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency); 822 823 return dfixed_trunc(bandwidth); 824 } 825 826 /** 827 * dce_v10_0_available_bandwidth - get the min available bandwidth 828 * 829 * @wm: watermark calculation data 830 * 831 * Calculate the min available bandwidth used for display (CIK). 832 * Used for display watermark bandwidth calculations 833 * Returns the min available bandwidth in MBytes/s 834 */ 835 static u32 dce_v10_0_available_bandwidth(struct dce10_wm_params *wm) 836 { 837 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */ 838 u32 dram_bandwidth = dce_v10_0_dram_bandwidth(wm); 839 u32 data_return_bandwidth = dce_v10_0_data_return_bandwidth(wm); 840 u32 dmif_req_bandwidth = dce_v10_0_dmif_request_bandwidth(wm); 841 842 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth)); 843 } 844 845 /** 846 * dce_v10_0_average_bandwidth - get the average available bandwidth 847 * 848 * @wm: watermark calculation data 849 * 850 * Calculate the average available bandwidth used for display (CIK). 851 * Used for display watermark bandwidth calculations 852 * Returns the average available bandwidth in MBytes/s 853 */ 854 static u32 dce_v10_0_average_bandwidth(struct dce10_wm_params *wm) 855 { 856 /* Calculate the display mode Average Bandwidth 857 * DisplayMode should contain the source and destination dimensions, 858 * timing, etc. 859 */ 860 fixed20_12 bpp; 861 fixed20_12 line_time; 862 fixed20_12 src_width; 863 fixed20_12 bandwidth; 864 fixed20_12 a; 865 866 a.full = dfixed_const(1000); 867 line_time.full = dfixed_const(wm->active_time + wm->blank_time); 868 line_time.full = dfixed_div(line_time, a); 869 bpp.full = dfixed_const(wm->bytes_per_pixel); 870 src_width.full = dfixed_const(wm->src_width); 871 bandwidth.full = dfixed_mul(src_width, bpp); 872 bandwidth.full = dfixed_mul(bandwidth, wm->vsc); 873 bandwidth.full = dfixed_div(bandwidth, line_time); 874 875 return dfixed_trunc(bandwidth); 876 } 877 878 /** 879 * dce_v10_0_latency_watermark - get the latency watermark 880 * 881 * @wm: watermark calculation data 882 * 883 * Calculate the latency watermark (CIK). 884 * Used for display watermark bandwidth calculations 885 * Returns the latency watermark in ns 886 */ 887 static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm) 888 { 889 /* First calculate the latency in ns */ 890 u32 mc_latency = 2000; /* 2000 ns. */ 891 u32 available_bandwidth = dce_v10_0_available_bandwidth(wm); 892 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth; 893 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth; 894 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */ 895 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) + 896 (wm->num_heads * cursor_line_pair_return_time); 897 u32 latency = mc_latency + other_heads_data_return_time + dc_latency; 898 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time; 899 u32 tmp, dmif_size = 12288; 900 fixed20_12 a, b, c; 901 902 if (wm->num_heads == 0) 903 return 0; 904 905 a.full = dfixed_const(2); 906 b.full = dfixed_const(1); 907 if ((wm->vsc.full > a.full) || 908 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) || 909 (wm->vtaps >= 5) || 910 ((wm->vsc.full >= a.full) && wm->interlaced)) 911 max_src_lines_per_dst_line = 4; 912 else 913 max_src_lines_per_dst_line = 2; 914 915 a.full = dfixed_const(available_bandwidth); 916 b.full = dfixed_const(wm->num_heads); 917 a.full = dfixed_div(a, b); 918 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512); 919 tmp = min(dfixed_trunc(a), tmp); 920 921 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000); 922 923 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel); 924 b.full = dfixed_const(1000); 925 c.full = dfixed_const(lb_fill_bw); 926 b.full = dfixed_div(c, b); 927 a.full = dfixed_div(a, b); 928 line_fill_time = dfixed_trunc(a); 929 930 if (line_fill_time < wm->active_time) 931 return latency; 932 else 933 return latency + (line_fill_time - wm->active_time); 934 935 } 936 937 /** 938 * dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display - check 939 * average and available dram bandwidth 940 * 941 * @wm: watermark calculation data 942 * 943 * Check if the display average bandwidth fits in the display 944 * dram bandwidth (CIK). 945 * Used for display watermark bandwidth calculations 946 * Returns true if the display fits, false if not. 947 */ 948 static bool dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm) 949 { 950 if (dce_v10_0_average_bandwidth(wm) <= 951 (dce_v10_0_dram_bandwidth_for_display(wm) / wm->num_heads)) 952 return true; 953 else 954 return false; 955 } 956 957 /** 958 * dce_v10_0_average_bandwidth_vs_available_bandwidth - check 959 * average and available bandwidth 960 * 961 * @wm: watermark calculation data 962 * 963 * Check if the display average bandwidth fits in the display 964 * available bandwidth (CIK). 965 * Used for display watermark bandwidth calculations 966 * Returns true if the display fits, false if not. 967 */ 968 static bool dce_v10_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm) 969 { 970 if (dce_v10_0_average_bandwidth(wm) <= 971 (dce_v10_0_available_bandwidth(wm) / wm->num_heads)) 972 return true; 973 else 974 return false; 975 } 976 977 /** 978 * dce_v10_0_check_latency_hiding - check latency hiding 979 * 980 * @wm: watermark calculation data 981 * 982 * Check latency hiding (CIK). 983 * Used for display watermark bandwidth calculations 984 * Returns true if the display fits, false if not. 985 */ 986 static bool dce_v10_0_check_latency_hiding(struct dce10_wm_params *wm) 987 { 988 u32 lb_partitions = wm->lb_size / wm->src_width; 989 u32 line_time = wm->active_time + wm->blank_time; 990 u32 latency_tolerant_lines; 991 u32 latency_hiding; 992 fixed20_12 a; 993 994 a.full = dfixed_const(1); 995 if (wm->vsc.full > a.full) 996 latency_tolerant_lines = 1; 997 else { 998 if (lb_partitions <= (wm->vtaps + 1)) 999 latency_tolerant_lines = 1; 1000 else 1001 latency_tolerant_lines = 2; 1002 } 1003 1004 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time); 1005 1006 if (dce_v10_0_latency_watermark(wm) <= latency_hiding) 1007 return true; 1008 else 1009 return false; 1010 } 1011 1012 /** 1013 * dce_v10_0_program_watermarks - program display watermarks 1014 * 1015 * @adev: amdgpu_device pointer 1016 * @amdgpu_crtc: the selected display controller 1017 * @lb_size: line buffer size 1018 * @num_heads: number of display controllers in use 1019 * 1020 * Calculate and program the display watermarks for the 1021 * selected display controller (CIK). 1022 */ 1023 static void dce_v10_0_program_watermarks(struct amdgpu_device *adev, 1024 struct amdgpu_crtc *amdgpu_crtc, 1025 u32 lb_size, u32 num_heads) 1026 { 1027 struct drm_display_mode *mode = &amdgpu_crtc->base.mode; 1028 struct dce10_wm_params wm_low, wm_high; 1029 u32 active_time; 1030 u32 line_time = 0; 1031 u32 latency_watermark_a = 0, latency_watermark_b = 0; 1032 u32 tmp, wm_mask, lb_vblank_lead_lines = 0; 1033 1034 if (amdgpu_crtc->base.enabled && num_heads && mode) { 1035 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000, 1036 (u32)mode->clock); 1037 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000, 1038 (u32)mode->clock); 1039 line_time = min_t(u32, line_time, 65535); 1040 1041 /* watermark for high clocks */ 1042 if (adev->pm.dpm_enabled) { 1043 wm_high.yclk = 1044 amdgpu_dpm_get_mclk(adev, false) * 10; 1045 wm_high.sclk = 1046 amdgpu_dpm_get_sclk(adev, false) * 10; 1047 } else { 1048 wm_high.yclk = adev->pm.current_mclk * 10; 1049 wm_high.sclk = adev->pm.current_sclk * 10; 1050 } 1051 1052 wm_high.disp_clk = mode->clock; 1053 wm_high.src_width = mode->crtc_hdisplay; 1054 wm_high.active_time = active_time; 1055 wm_high.blank_time = line_time - wm_high.active_time; 1056 wm_high.interlaced = false; 1057 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1058 wm_high.interlaced = true; 1059 wm_high.vsc = amdgpu_crtc->vsc; 1060 wm_high.vtaps = 1; 1061 if (amdgpu_crtc->rmx_type != RMX_OFF) 1062 wm_high.vtaps = 2; 1063 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1064 wm_high.lb_size = lb_size; 1065 wm_high.dram_channels = cik_get_number_of_dram_channels(adev); 1066 wm_high.num_heads = num_heads; 1067 1068 /* set for high clocks */ 1069 latency_watermark_a = min_t(u32, dce_v10_0_latency_watermark(&wm_high), 65535); 1070 1071 /* possibly force display priority to high */ 1072 /* should really do this at mode validation time... */ 1073 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) || 1074 !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_high) || 1075 !dce_v10_0_check_latency_hiding(&wm_high) || 1076 (adev->mode_info.disp_priority == 2)) { 1077 DRM_DEBUG_KMS("force priority to high\n"); 1078 } 1079 1080 /* watermark for low clocks */ 1081 if (adev->pm.dpm_enabled) { 1082 wm_low.yclk = 1083 amdgpu_dpm_get_mclk(adev, true) * 10; 1084 wm_low.sclk = 1085 amdgpu_dpm_get_sclk(adev, true) * 10; 1086 } else { 1087 wm_low.yclk = adev->pm.current_mclk * 10; 1088 wm_low.sclk = adev->pm.current_sclk * 10; 1089 } 1090 1091 wm_low.disp_clk = mode->clock; 1092 wm_low.src_width = mode->crtc_hdisplay; 1093 wm_low.active_time = active_time; 1094 wm_low.blank_time = line_time - wm_low.active_time; 1095 wm_low.interlaced = false; 1096 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1097 wm_low.interlaced = true; 1098 wm_low.vsc = amdgpu_crtc->vsc; 1099 wm_low.vtaps = 1; 1100 if (amdgpu_crtc->rmx_type != RMX_OFF) 1101 wm_low.vtaps = 2; 1102 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1103 wm_low.lb_size = lb_size; 1104 wm_low.dram_channels = cik_get_number_of_dram_channels(adev); 1105 wm_low.num_heads = num_heads; 1106 1107 /* set for low clocks */ 1108 latency_watermark_b = min_t(u32, dce_v10_0_latency_watermark(&wm_low), 65535); 1109 1110 /* possibly force display priority to high */ 1111 /* should really do this at mode validation time... */ 1112 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) || 1113 !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_low) || 1114 !dce_v10_0_check_latency_hiding(&wm_low) || 1115 (adev->mode_info.disp_priority == 2)) { 1116 DRM_DEBUG_KMS("force priority to high\n"); 1117 } 1118 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); 1119 } 1120 1121 /* select wm A */ 1122 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset); 1123 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1); 1124 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1125 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1126 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a); 1127 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1128 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1129 /* select wm B */ 1130 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2); 1131 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1132 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1133 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b); 1134 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1135 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1136 /* restore original selection */ 1137 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask); 1138 1139 /* save values for DPM */ 1140 amdgpu_crtc->line_time = line_time; 1141 amdgpu_crtc->wm_high = latency_watermark_a; 1142 amdgpu_crtc->wm_low = latency_watermark_b; 1143 /* Save number of lines the linebuffer leads before the scanout */ 1144 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; 1145 } 1146 1147 /** 1148 * dce_v10_0_bandwidth_update - program display watermarks 1149 * 1150 * @adev: amdgpu_device pointer 1151 * 1152 * Calculate and program the display watermarks and line 1153 * buffer allocation (CIK). 1154 */ 1155 static void dce_v10_0_bandwidth_update(struct amdgpu_device *adev) 1156 { 1157 struct drm_display_mode *mode = NULL; 1158 u32 num_heads = 0, lb_size; 1159 int i; 1160 1161 amdgpu_display_update_priority(adev); 1162 1163 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1164 if (adev->mode_info.crtcs[i]->base.enabled) 1165 num_heads++; 1166 } 1167 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1168 mode = &adev->mode_info.crtcs[i]->base.mode; 1169 lb_size = dce_v10_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode); 1170 dce_v10_0_program_watermarks(adev, adev->mode_info.crtcs[i], 1171 lb_size, num_heads); 1172 } 1173 } 1174 1175 static void dce_v10_0_audio_get_connected_pins(struct amdgpu_device *adev) 1176 { 1177 int i; 1178 u32 offset, tmp; 1179 1180 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1181 offset = adev->mode_info.audio.pin[i].offset; 1182 tmp = RREG32_AUDIO_ENDPT(offset, 1183 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT); 1184 if (((tmp & 1185 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >> 1186 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1) 1187 adev->mode_info.audio.pin[i].connected = false; 1188 else 1189 adev->mode_info.audio.pin[i].connected = true; 1190 } 1191 } 1192 1193 static struct amdgpu_audio_pin *dce_v10_0_audio_get_pin(struct amdgpu_device *adev) 1194 { 1195 int i; 1196 1197 dce_v10_0_audio_get_connected_pins(adev); 1198 1199 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1200 if (adev->mode_info.audio.pin[i].connected) 1201 return &adev->mode_info.audio.pin[i]; 1202 } 1203 DRM_ERROR("No connected audio pins found!\n"); 1204 return NULL; 1205 } 1206 1207 static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder) 1208 { 1209 struct amdgpu_device *adev = drm_to_adev(encoder->dev); 1210 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1211 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1212 u32 tmp; 1213 1214 if (!dig || !dig->afmt || !dig->afmt->pin) 1215 return; 1216 1217 tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset); 1218 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id); 1219 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp); 1220 } 1221 1222 static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder, 1223 struct drm_display_mode *mode) 1224 { 1225 struct drm_device *dev = encoder->dev; 1226 struct amdgpu_device *adev = drm_to_adev(dev); 1227 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1228 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1229 struct drm_connector *connector; 1230 struct drm_connector_list_iter iter; 1231 struct amdgpu_connector *amdgpu_connector = NULL; 1232 u32 tmp; 1233 int interlace = 0; 1234 1235 if (!dig || !dig->afmt || !dig->afmt->pin) 1236 return; 1237 1238 drm_connector_list_iter_begin(dev, &iter); 1239 drm_for_each_connector_iter(connector, &iter) { 1240 if (connector->encoder == encoder) { 1241 amdgpu_connector = to_amdgpu_connector(connector); 1242 break; 1243 } 1244 } 1245 drm_connector_list_iter_end(&iter); 1246 1247 if (!amdgpu_connector) { 1248 DRM_ERROR("Couldn't find encoder's connector\n"); 1249 return; 1250 } 1251 1252 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1253 interlace = 1; 1254 if (connector->latency_present[interlace]) { 1255 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1256 VIDEO_LIPSYNC, connector->video_latency[interlace]); 1257 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1258 AUDIO_LIPSYNC, connector->audio_latency[interlace]); 1259 } else { 1260 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1261 VIDEO_LIPSYNC, 0); 1262 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1263 AUDIO_LIPSYNC, 0); 1264 } 1265 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1266 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); 1267 } 1268 1269 static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder) 1270 { 1271 struct drm_device *dev = encoder->dev; 1272 struct amdgpu_device *adev = drm_to_adev(dev); 1273 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1274 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1275 struct drm_connector *connector; 1276 struct drm_connector_list_iter iter; 1277 struct amdgpu_connector *amdgpu_connector = NULL; 1278 u32 tmp; 1279 u8 *sadb = NULL; 1280 int sad_count; 1281 1282 if (!dig || !dig->afmt || !dig->afmt->pin) 1283 return; 1284 1285 drm_connector_list_iter_begin(dev, &iter); 1286 drm_for_each_connector_iter(connector, &iter) { 1287 if (connector->encoder == encoder) { 1288 amdgpu_connector = to_amdgpu_connector(connector); 1289 break; 1290 } 1291 } 1292 drm_connector_list_iter_end(&iter); 1293 1294 if (!amdgpu_connector) { 1295 DRM_ERROR("Couldn't find encoder's connector\n"); 1296 return; 1297 } 1298 1299 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb); 1300 if (sad_count < 0) { 1301 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); 1302 sad_count = 0; 1303 } 1304 1305 /* program the speaker allocation */ 1306 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1307 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); 1308 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1309 DP_CONNECTION, 0); 1310 /* set HDMI mode */ 1311 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1312 HDMI_CONNECTION, 1); 1313 if (sad_count) 1314 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1315 SPEAKER_ALLOCATION, sadb[0]); 1316 else 1317 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1318 SPEAKER_ALLOCATION, 5); /* stereo */ 1319 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1320 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); 1321 1322 kfree(sadb); 1323 } 1324 1325 static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder) 1326 { 1327 struct drm_device *dev = encoder->dev; 1328 struct amdgpu_device *adev = drm_to_adev(dev); 1329 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1330 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1331 struct drm_connector *connector; 1332 struct drm_connector_list_iter iter; 1333 struct amdgpu_connector *amdgpu_connector = NULL; 1334 struct cea_sad *sads; 1335 int i, sad_count; 1336 1337 static const u16 eld_reg_to_type[][2] = { 1338 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM }, 1339 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 }, 1340 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 }, 1341 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 }, 1342 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 }, 1343 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC }, 1344 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS }, 1345 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC }, 1346 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 }, 1347 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD }, 1348 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP }, 1349 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, 1350 }; 1351 1352 if (!dig || !dig->afmt || !dig->afmt->pin) 1353 return; 1354 1355 drm_connector_list_iter_begin(dev, &iter); 1356 drm_for_each_connector_iter(connector, &iter) { 1357 if (connector->encoder == encoder) { 1358 amdgpu_connector = to_amdgpu_connector(connector); 1359 break; 1360 } 1361 } 1362 drm_connector_list_iter_end(&iter); 1363 1364 if (!amdgpu_connector) { 1365 DRM_ERROR("Couldn't find encoder's connector\n"); 1366 return; 1367 } 1368 1369 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads); 1370 if (sad_count < 0) 1371 DRM_ERROR("Couldn't read SADs: %d\n", sad_count); 1372 if (sad_count <= 0) 1373 return; 1374 BUG_ON(!sads); 1375 1376 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { 1377 u32 tmp = 0; 1378 u8 stereo_freqs = 0; 1379 int max_channels = -1; 1380 int j; 1381 1382 for (j = 0; j < sad_count; j++) { 1383 struct cea_sad *sad = &sads[j]; 1384 1385 if (sad->format == eld_reg_to_type[i][1]) { 1386 if (sad->channels > max_channels) { 1387 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1388 MAX_CHANNELS, sad->channels); 1389 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1390 DESCRIPTOR_BYTE_2, sad->byte2); 1391 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1392 SUPPORTED_FREQUENCIES, sad->freq); 1393 max_channels = sad->channels; 1394 } 1395 1396 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM) 1397 stereo_freqs |= sad->freq; 1398 else 1399 break; 1400 } 1401 } 1402 1403 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1404 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs); 1405 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp); 1406 } 1407 1408 kfree(sads); 1409 } 1410 1411 static void dce_v10_0_audio_enable(struct amdgpu_device *adev, 1412 struct amdgpu_audio_pin *pin, 1413 bool enable) 1414 { 1415 if (!pin) 1416 return; 1417 1418 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 1419 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0); 1420 } 1421 1422 static const u32 pin_offsets[] = { 1423 AUD0_REGISTER_OFFSET, 1424 AUD1_REGISTER_OFFSET, 1425 AUD2_REGISTER_OFFSET, 1426 AUD3_REGISTER_OFFSET, 1427 AUD4_REGISTER_OFFSET, 1428 AUD5_REGISTER_OFFSET, 1429 AUD6_REGISTER_OFFSET, 1430 }; 1431 1432 static int dce_v10_0_audio_init(struct amdgpu_device *adev) 1433 { 1434 int i; 1435 1436 if (!amdgpu_audio) 1437 return 0; 1438 1439 adev->mode_info.audio.enabled = true; 1440 1441 adev->mode_info.audio.num_pins = 7; 1442 1443 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1444 adev->mode_info.audio.pin[i].channels = -1; 1445 adev->mode_info.audio.pin[i].rate = -1; 1446 adev->mode_info.audio.pin[i].bits_per_sample = -1; 1447 adev->mode_info.audio.pin[i].status_bits = 0; 1448 adev->mode_info.audio.pin[i].category_code = 0; 1449 adev->mode_info.audio.pin[i].connected = false; 1450 adev->mode_info.audio.pin[i].offset = pin_offsets[i]; 1451 adev->mode_info.audio.pin[i].id = i; 1452 /* disable audio. it will be set up later */ 1453 /* XXX remove once we switch to ip funcs */ 1454 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1455 } 1456 1457 return 0; 1458 } 1459 1460 static void dce_v10_0_audio_fini(struct amdgpu_device *adev) 1461 { 1462 int i; 1463 1464 if (!amdgpu_audio) 1465 return; 1466 1467 if (!adev->mode_info.audio.enabled) 1468 return; 1469 1470 for (i = 0; i < adev->mode_info.audio.num_pins; i++) 1471 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1472 1473 adev->mode_info.audio.enabled = false; 1474 } 1475 1476 /* 1477 * update the N and CTS parameters for a given pixel clock rate 1478 */ 1479 static void dce_v10_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock) 1480 { 1481 struct drm_device *dev = encoder->dev; 1482 struct amdgpu_device *adev = drm_to_adev(dev); 1483 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock); 1484 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1485 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1486 u32 tmp; 1487 1488 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset); 1489 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz); 1490 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp); 1491 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset); 1492 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz); 1493 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp); 1494 1495 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset); 1496 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz); 1497 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp); 1498 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset); 1499 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz); 1500 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp); 1501 1502 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset); 1503 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz); 1504 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp); 1505 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset); 1506 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz); 1507 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp); 1508 1509 } 1510 1511 /* 1512 * build a HDMI Video Info Frame 1513 */ 1514 static void dce_v10_0_afmt_update_avi_infoframe(struct drm_encoder *encoder, 1515 void *buffer, size_t size) 1516 { 1517 struct drm_device *dev = encoder->dev; 1518 struct amdgpu_device *adev = drm_to_adev(dev); 1519 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1520 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1521 uint8_t *frame = buffer + 3; 1522 uint8_t *header = buffer; 1523 1524 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset, 1525 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); 1526 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset, 1527 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24)); 1528 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset, 1529 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24)); 1530 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset, 1531 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24)); 1532 } 1533 1534 static void dce_v10_0_audio_set_dto(struct drm_encoder *encoder, u32 clock) 1535 { 1536 struct drm_device *dev = encoder->dev; 1537 struct amdgpu_device *adev = drm_to_adev(dev); 1538 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1539 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1540 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1541 u32 dto_phase = 24 * 1000; 1542 u32 dto_modulo = clock; 1543 u32 tmp; 1544 1545 if (!dig || !dig->afmt) 1546 return; 1547 1548 /* XXX two dtos; generally use dto0 for hdmi */ 1549 /* Express [24MHz / target pixel clock] as an exact rational 1550 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE 1551 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator 1552 */ 1553 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE); 1554 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL, 1555 amdgpu_crtc->crtc_id); 1556 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp); 1557 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase); 1558 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo); 1559 } 1560 1561 /* 1562 * update the info frames with the data from the current display mode 1563 */ 1564 static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder, 1565 struct drm_display_mode *mode) 1566 { 1567 struct drm_device *dev = encoder->dev; 1568 struct amdgpu_device *adev = drm_to_adev(dev); 1569 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1570 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1571 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 1572 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; 1573 struct hdmi_avi_infoframe frame; 1574 ssize_t err; 1575 u32 tmp; 1576 int bpc = 8; 1577 1578 if (!dig || !dig->afmt) 1579 return; 1580 1581 /* Silent, r600_hdmi_enable will raise WARN for us */ 1582 if (!dig->afmt->enabled) 1583 return; 1584 1585 /* hdmi deep color mode general control packets setup, if bpc > 8 */ 1586 if (encoder->crtc) { 1587 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1588 bpc = amdgpu_crtc->bpc; 1589 } 1590 1591 /* disable audio prior to setting up hw */ 1592 dig->afmt->pin = dce_v10_0_audio_get_pin(adev); 1593 dce_v10_0_audio_enable(adev, dig->afmt->pin, false); 1594 1595 dce_v10_0_audio_set_dto(encoder, mode->clock); 1596 1597 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1598 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); 1599 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */ 1600 1601 WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000); 1602 1603 tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset); 1604 switch (bpc) { 1605 case 0: 1606 case 6: 1607 case 8: 1608 case 16: 1609 default: 1610 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0); 1611 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0); 1612 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n", 1613 connector->name, bpc); 1614 break; 1615 case 10: 1616 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1617 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1); 1618 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n", 1619 connector->name); 1620 break; 1621 case 12: 1622 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1623 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2); 1624 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n", 1625 connector->name); 1626 break; 1627 } 1628 WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp); 1629 1630 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1631 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */ 1632 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */ 1633 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */ 1634 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); 1635 1636 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1637 /* enable audio info frames (frames won't be set until audio is enabled) */ 1638 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1); 1639 /* required for audio info values to be updated */ 1640 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1); 1641 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1642 1643 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset); 1644 /* required for audio info values to be updated */ 1645 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1); 1646 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1647 1648 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1649 /* anything other than 0 */ 1650 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2); 1651 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1652 1653 WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */ 1654 1655 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1656 /* set the default audio delay */ 1657 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1); 1658 /* should be suffient for all audio modes and small enough for all hblanks */ 1659 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3); 1660 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1661 1662 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1663 /* allow 60958 channel status fields to be updated */ 1664 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1); 1665 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1666 1667 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset); 1668 if (bpc > 8) 1669 /* clear SW CTS value */ 1670 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0); 1671 else 1672 /* select SW CTS value */ 1673 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1); 1674 /* allow hw to sent ACR packets when required */ 1675 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1); 1676 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp); 1677 1678 dce_v10_0_afmt_update_ACR(encoder, mode->clock); 1679 1680 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset); 1681 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1); 1682 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp); 1683 1684 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset); 1685 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2); 1686 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp); 1687 1688 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset); 1689 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3); 1690 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4); 1691 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5); 1692 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6); 1693 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7); 1694 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8); 1695 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp); 1696 1697 dce_v10_0_audio_write_speaker_allocation(encoder); 1698 1699 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, 1700 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT)); 1701 1702 dce_v10_0_afmt_audio_select_pin(encoder); 1703 dce_v10_0_audio_write_sad_regs(encoder); 1704 dce_v10_0_audio_write_latency_fields(encoder, mode); 1705 1706 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode); 1707 if (err < 0) { 1708 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err); 1709 return; 1710 } 1711 1712 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); 1713 if (err < 0) { 1714 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err); 1715 return; 1716 } 1717 1718 dce_v10_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer)); 1719 1720 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1721 /* enable AVI info frames */ 1722 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1); 1723 /* required for audio info values to be updated */ 1724 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1); 1725 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1726 1727 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1728 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2); 1729 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1730 1731 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1732 /* send audio packets */ 1733 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1); 1734 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1735 1736 WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF); 1737 WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF); 1738 WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001); 1739 WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001); 1740 1741 /* enable audio after to setting up hw */ 1742 dce_v10_0_audio_enable(adev, dig->afmt->pin, true); 1743 } 1744 1745 static void dce_v10_0_afmt_enable(struct drm_encoder *encoder, bool enable) 1746 { 1747 struct drm_device *dev = encoder->dev; 1748 struct amdgpu_device *adev = drm_to_adev(dev); 1749 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1750 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1751 1752 if (!dig || !dig->afmt) 1753 return; 1754 1755 /* Silent, r600_hdmi_enable will raise WARN for us */ 1756 if (enable && dig->afmt->enabled) 1757 return; 1758 if (!enable && !dig->afmt->enabled) 1759 return; 1760 1761 if (!enable && dig->afmt->pin) { 1762 dce_v10_0_audio_enable(adev, dig->afmt->pin, false); 1763 dig->afmt->pin = NULL; 1764 } 1765 1766 dig->afmt->enabled = enable; 1767 1768 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n", 1769 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id); 1770 } 1771 1772 static int dce_v10_0_afmt_init(struct amdgpu_device *adev) 1773 { 1774 int i; 1775 1776 for (i = 0; i < adev->mode_info.num_dig; i++) 1777 adev->mode_info.afmt[i] = NULL; 1778 1779 /* DCE10 has audio blocks tied to DIG encoders */ 1780 for (i = 0; i < adev->mode_info.num_dig; i++) { 1781 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL); 1782 if (adev->mode_info.afmt[i]) { 1783 adev->mode_info.afmt[i]->offset = dig_offsets[i]; 1784 adev->mode_info.afmt[i]->id = i; 1785 } else { 1786 int j; 1787 for (j = 0; j < i; j++) { 1788 kfree(adev->mode_info.afmt[j]); 1789 adev->mode_info.afmt[j] = NULL; 1790 } 1791 return -ENOMEM; 1792 } 1793 } 1794 return 0; 1795 } 1796 1797 static void dce_v10_0_afmt_fini(struct amdgpu_device *adev) 1798 { 1799 int i; 1800 1801 for (i = 0; i < adev->mode_info.num_dig; i++) { 1802 kfree(adev->mode_info.afmt[i]); 1803 adev->mode_info.afmt[i] = NULL; 1804 } 1805 } 1806 1807 static const u32 vga_control_regs[6] = { 1808 mmD1VGA_CONTROL, 1809 mmD2VGA_CONTROL, 1810 mmD3VGA_CONTROL, 1811 mmD4VGA_CONTROL, 1812 mmD5VGA_CONTROL, 1813 mmD6VGA_CONTROL, 1814 }; 1815 1816 static void dce_v10_0_vga_enable(struct drm_crtc *crtc, bool enable) 1817 { 1818 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1819 struct drm_device *dev = crtc->dev; 1820 struct amdgpu_device *adev = drm_to_adev(dev); 1821 u32 vga_control; 1822 1823 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1; 1824 if (enable) 1825 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1); 1826 else 1827 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control); 1828 } 1829 1830 static void dce_v10_0_grph_enable(struct drm_crtc *crtc, bool enable) 1831 { 1832 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1833 struct drm_device *dev = crtc->dev; 1834 struct amdgpu_device *adev = drm_to_adev(dev); 1835 1836 if (enable) 1837 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1); 1838 else 1839 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0); 1840 } 1841 1842 static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc, 1843 struct drm_framebuffer *fb, 1844 int x, int y, int atomic) 1845 { 1846 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1847 struct drm_device *dev = crtc->dev; 1848 struct amdgpu_device *adev = drm_to_adev(dev); 1849 struct drm_framebuffer *target_fb; 1850 struct drm_gem_object *obj; 1851 struct amdgpu_bo *abo; 1852 uint64_t fb_location, tiling_flags; 1853 uint32_t fb_format, fb_pitch_pixels; 1854 u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE); 1855 u32 pipe_config; 1856 u32 tmp, viewport_w, viewport_h; 1857 int r; 1858 bool bypass_lut = false; 1859 1860 /* no fb bound */ 1861 if (!atomic && !crtc->primary->fb) { 1862 DRM_DEBUG_KMS("No FB bound\n"); 1863 return 0; 1864 } 1865 1866 if (atomic) 1867 target_fb = fb; 1868 else 1869 target_fb = crtc->primary->fb; 1870 1871 /* If atomic, assume fb object is pinned & idle & fenced and 1872 * just update base pointers 1873 */ 1874 obj = target_fb->obj[0]; 1875 abo = gem_to_amdgpu_bo(obj); 1876 r = amdgpu_bo_reserve(abo, false); 1877 if (unlikely(r != 0)) 1878 return r; 1879 1880 if (!atomic) { 1881 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM); 1882 if (unlikely(r != 0)) { 1883 amdgpu_bo_unreserve(abo); 1884 return -EINVAL; 1885 } 1886 } 1887 fb_location = amdgpu_bo_gpu_offset(abo); 1888 1889 amdgpu_bo_get_tiling_flags(abo, &tiling_flags); 1890 amdgpu_bo_unreserve(abo); 1891 1892 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG); 1893 1894 switch (target_fb->format->format) { 1895 case DRM_FORMAT_C8: 1896 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0); 1897 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1898 break; 1899 case DRM_FORMAT_XRGB4444: 1900 case DRM_FORMAT_ARGB4444: 1901 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1902 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2); 1903 #ifdef __BIG_ENDIAN 1904 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1905 ENDIAN_8IN16); 1906 #endif 1907 break; 1908 case DRM_FORMAT_XRGB1555: 1909 case DRM_FORMAT_ARGB1555: 1910 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1911 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1912 #ifdef __BIG_ENDIAN 1913 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1914 ENDIAN_8IN16); 1915 #endif 1916 break; 1917 case DRM_FORMAT_BGRX5551: 1918 case DRM_FORMAT_BGRA5551: 1919 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1920 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5); 1921 #ifdef __BIG_ENDIAN 1922 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1923 ENDIAN_8IN16); 1924 #endif 1925 break; 1926 case DRM_FORMAT_RGB565: 1927 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1928 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 1929 #ifdef __BIG_ENDIAN 1930 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1931 ENDIAN_8IN16); 1932 #endif 1933 break; 1934 case DRM_FORMAT_XRGB8888: 1935 case DRM_FORMAT_ARGB8888: 1936 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1937 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1938 #ifdef __BIG_ENDIAN 1939 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1940 ENDIAN_8IN32); 1941 #endif 1942 break; 1943 case DRM_FORMAT_XRGB2101010: 1944 case DRM_FORMAT_ARGB2101010: 1945 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1946 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 1947 #ifdef __BIG_ENDIAN 1948 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1949 ENDIAN_8IN32); 1950 #endif 1951 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 1952 bypass_lut = true; 1953 break; 1954 case DRM_FORMAT_BGRX1010102: 1955 case DRM_FORMAT_BGRA1010102: 1956 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1957 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4); 1958 #ifdef __BIG_ENDIAN 1959 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1960 ENDIAN_8IN32); 1961 #endif 1962 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 1963 bypass_lut = true; 1964 break; 1965 case DRM_FORMAT_XBGR8888: 1966 case DRM_FORMAT_ABGR8888: 1967 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1968 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1969 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2); 1970 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2); 1971 #ifdef __BIG_ENDIAN 1972 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1973 ENDIAN_8IN32); 1974 #endif 1975 break; 1976 default: 1977 DRM_ERROR("Unsupported screen format %p4cc\n", 1978 &target_fb->format->format); 1979 return -EINVAL; 1980 } 1981 1982 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) { 1983 unsigned bankw, bankh, mtaspect, tile_split, num_banks; 1984 1985 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH); 1986 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT); 1987 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT); 1988 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT); 1989 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS); 1990 1991 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks); 1992 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 1993 ARRAY_2D_TILED_THIN1); 1994 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT, 1995 tile_split); 1996 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw); 1997 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh); 1998 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT, 1999 mtaspect); 2000 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE, 2001 ADDR_SURF_MICRO_TILING_DISPLAY); 2002 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) { 2003 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 2004 ARRAY_1D_TILED_THIN1); 2005 } 2006 2007 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG, 2008 pipe_config); 2009 2010 dce_v10_0_vga_enable(crtc, false); 2011 2012 /* Make sure surface address is updated at vertical blank rather than 2013 * horizontal blank 2014 */ 2015 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 2016 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 2017 GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0); 2018 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2019 2020 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2021 upper_32_bits(fb_location)); 2022 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2023 upper_32_bits(fb_location)); 2024 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2025 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK); 2026 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2027 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK); 2028 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); 2029 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap); 2030 2031 /* 2032 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT 2033 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to 2034 * retain the full precision throughout the pipeline. 2035 */ 2036 tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset); 2037 if (bypass_lut) 2038 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1); 2039 else 2040 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0); 2041 WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp); 2042 2043 if (bypass_lut) 2044 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 2045 2046 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0); 2047 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0); 2048 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0); 2049 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0); 2050 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width); 2051 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height); 2052 2053 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0]; 2054 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels); 2055 2056 dce_v10_0_grph_enable(crtc, true); 2057 2058 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset, 2059 target_fb->height); 2060 2061 x &= ~3; 2062 y &= ~1; 2063 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset, 2064 (x << 16) | y); 2065 viewport_w = crtc->mode.hdisplay; 2066 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 2067 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset, 2068 (viewport_w << 16) | viewport_h); 2069 2070 /* set pageflip to happen anywhere in vblank interval */ 2071 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0); 2072 2073 if (!atomic && fb && fb != crtc->primary->fb) { 2074 abo = gem_to_amdgpu_bo(fb->obj[0]); 2075 r = amdgpu_bo_reserve(abo, true); 2076 if (unlikely(r != 0)) 2077 return r; 2078 amdgpu_bo_unpin(abo); 2079 amdgpu_bo_unreserve(abo); 2080 } 2081 2082 /* Bytes per pixel may have changed */ 2083 dce_v10_0_bandwidth_update(adev); 2084 2085 return 0; 2086 } 2087 2088 static void dce_v10_0_set_interleave(struct drm_crtc *crtc, 2089 struct drm_display_mode *mode) 2090 { 2091 struct drm_device *dev = crtc->dev; 2092 struct amdgpu_device *adev = drm_to_adev(dev); 2093 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2094 u32 tmp; 2095 2096 tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset); 2097 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 2098 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1); 2099 else 2100 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0); 2101 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp); 2102 } 2103 2104 static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc) 2105 { 2106 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2107 struct drm_device *dev = crtc->dev; 2108 struct amdgpu_device *adev = drm_to_adev(dev); 2109 u16 *r, *g, *b; 2110 int i; 2111 u32 tmp; 2112 2113 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id); 2114 2115 tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2116 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0); 2117 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0); 2118 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2119 2120 tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset); 2121 tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1); 2122 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2123 2124 tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset); 2125 tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1); 2126 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2127 2128 tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2129 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0); 2130 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0); 2131 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2132 2133 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0); 2134 2135 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0); 2136 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0); 2137 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0); 2138 2139 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff); 2140 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff); 2141 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff); 2142 2143 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0); 2144 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007); 2145 2146 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0); 2147 r = crtc->gamma_store; 2148 g = r + crtc->gamma_size; 2149 b = g + crtc->gamma_size; 2150 for (i = 0; i < 256; i++) { 2151 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset, 2152 ((*r++ & 0xffc0) << 14) | 2153 ((*g++ & 0xffc0) << 4) | 2154 (*b++ >> 6)); 2155 } 2156 2157 tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2158 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0); 2159 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0); 2160 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0); 2161 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2162 2163 tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset); 2164 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0); 2165 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0); 2166 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2167 2168 tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2169 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0); 2170 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0); 2171 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2172 2173 tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2174 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0); 2175 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0); 2176 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2177 2178 /* XXX match this to the depth of the crtc fmt block, move to modeset? */ 2179 WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0); 2180 /* XXX this only needs to be programmed once per crtc at startup, 2181 * not sure where the best place for it is 2182 */ 2183 tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset); 2184 tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1); 2185 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2186 } 2187 2188 static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder) 2189 { 2190 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 2191 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 2192 2193 switch (amdgpu_encoder->encoder_id) { 2194 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 2195 if (dig->linkb) 2196 return 1; 2197 else 2198 return 0; 2199 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 2200 if (dig->linkb) 2201 return 3; 2202 else 2203 return 2; 2204 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 2205 if (dig->linkb) 2206 return 5; 2207 else 2208 return 4; 2209 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 2210 return 6; 2211 default: 2212 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id); 2213 return 0; 2214 } 2215 } 2216 2217 /** 2218 * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc. 2219 * 2220 * @crtc: drm crtc 2221 * 2222 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors 2223 * a single PPLL can be used for all DP crtcs/encoders. For non-DP 2224 * monitors a dedicated PPLL must be used. If a particular board has 2225 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming 2226 * as there is no need to program the PLL itself. If we are not able to 2227 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to 2228 * avoid messing up an existing monitor. 2229 * 2230 * Asic specific PLL information 2231 * 2232 * DCE 10.x 2233 * Tonga 2234 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) 2235 * CI 2236 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 2237 * 2238 */ 2239 static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc) 2240 { 2241 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2242 struct drm_device *dev = crtc->dev; 2243 struct amdgpu_device *adev = drm_to_adev(dev); 2244 u32 pll_in_use; 2245 int pll; 2246 2247 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) { 2248 if (adev->clock.dp_extclk) 2249 /* skip PPLL programming if using ext clock */ 2250 return ATOM_PPLL_INVALID; 2251 else { 2252 /* use the same PPLL for all DP monitors */ 2253 pll = amdgpu_pll_get_shared_dp_ppll(crtc); 2254 if (pll != ATOM_PPLL_INVALID) 2255 return pll; 2256 } 2257 } else { 2258 /* use the same PPLL for all monitors with the same clock */ 2259 pll = amdgpu_pll_get_shared_nondp_ppll(crtc); 2260 if (pll != ATOM_PPLL_INVALID) 2261 return pll; 2262 } 2263 2264 /* DCE10 has PPLL0, PPLL1, and PPLL2 */ 2265 pll_in_use = amdgpu_pll_get_use_mask(crtc); 2266 if (!(pll_in_use & (1 << ATOM_PPLL2))) 2267 return ATOM_PPLL2; 2268 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2269 return ATOM_PPLL1; 2270 if (!(pll_in_use & (1 << ATOM_PPLL0))) 2271 return ATOM_PPLL0; 2272 DRM_ERROR("unable to allocate a PPLL\n"); 2273 return ATOM_PPLL_INVALID; 2274 } 2275 2276 static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock) 2277 { 2278 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2279 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2280 uint32_t cur_lock; 2281 2282 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset); 2283 if (lock) 2284 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1); 2285 else 2286 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0); 2287 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock); 2288 } 2289 2290 static void dce_v10_0_hide_cursor(struct drm_crtc *crtc) 2291 { 2292 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2293 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2294 u32 tmp; 2295 2296 tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2297 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0); 2298 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2299 } 2300 2301 static void dce_v10_0_show_cursor(struct drm_crtc *crtc) 2302 { 2303 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2304 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2305 u32 tmp; 2306 2307 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2308 upper_32_bits(amdgpu_crtc->cursor_addr)); 2309 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2310 lower_32_bits(amdgpu_crtc->cursor_addr)); 2311 2312 tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2313 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1); 2314 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2); 2315 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2316 } 2317 2318 static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc, 2319 int x, int y) 2320 { 2321 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2322 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2323 int xorigin = 0, yorigin = 0; 2324 2325 amdgpu_crtc->cursor_x = x; 2326 amdgpu_crtc->cursor_y = y; 2327 2328 /* avivo cursor are offset into the total surface */ 2329 x += crtc->x; 2330 y += crtc->y; 2331 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y); 2332 2333 if (x < 0) { 2334 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1); 2335 x = 0; 2336 } 2337 if (y < 0) { 2338 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1); 2339 y = 0; 2340 } 2341 2342 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y); 2343 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin); 2344 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset, 2345 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1)); 2346 2347 return 0; 2348 } 2349 2350 static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc, 2351 int x, int y) 2352 { 2353 int ret; 2354 2355 dce_v10_0_lock_cursor(crtc, true); 2356 ret = dce_v10_0_cursor_move_locked(crtc, x, y); 2357 dce_v10_0_lock_cursor(crtc, false); 2358 2359 return ret; 2360 } 2361 2362 static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc, 2363 struct drm_file *file_priv, 2364 uint32_t handle, 2365 uint32_t width, 2366 uint32_t height, 2367 int32_t hot_x, 2368 int32_t hot_y) 2369 { 2370 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2371 struct drm_gem_object *obj; 2372 struct amdgpu_bo *aobj; 2373 int ret; 2374 2375 if (!handle) { 2376 /* turn off cursor */ 2377 dce_v10_0_hide_cursor(crtc); 2378 obj = NULL; 2379 goto unpin; 2380 } 2381 2382 if ((width > amdgpu_crtc->max_cursor_width) || 2383 (height > amdgpu_crtc->max_cursor_height)) { 2384 DRM_ERROR("bad cursor width or height %d x %d\n", width, height); 2385 return -EINVAL; 2386 } 2387 2388 obj = drm_gem_object_lookup(file_priv, handle); 2389 if (!obj) { 2390 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id); 2391 return -ENOENT; 2392 } 2393 2394 aobj = gem_to_amdgpu_bo(obj); 2395 ret = amdgpu_bo_reserve(aobj, false); 2396 if (ret != 0) { 2397 drm_gem_object_put(obj); 2398 return ret; 2399 } 2400 2401 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM); 2402 amdgpu_bo_unreserve(aobj); 2403 if (ret) { 2404 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret); 2405 drm_gem_object_put(obj); 2406 return ret; 2407 } 2408 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj); 2409 2410 dce_v10_0_lock_cursor(crtc, true); 2411 2412 if (width != amdgpu_crtc->cursor_width || 2413 height != amdgpu_crtc->cursor_height || 2414 hot_x != amdgpu_crtc->cursor_hot_x || 2415 hot_y != amdgpu_crtc->cursor_hot_y) { 2416 int x, y; 2417 2418 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x; 2419 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y; 2420 2421 dce_v10_0_cursor_move_locked(crtc, x, y); 2422 2423 amdgpu_crtc->cursor_width = width; 2424 amdgpu_crtc->cursor_height = height; 2425 amdgpu_crtc->cursor_hot_x = hot_x; 2426 amdgpu_crtc->cursor_hot_y = hot_y; 2427 } 2428 2429 dce_v10_0_show_cursor(crtc); 2430 dce_v10_0_lock_cursor(crtc, false); 2431 2432 unpin: 2433 if (amdgpu_crtc->cursor_bo) { 2434 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); 2435 ret = amdgpu_bo_reserve(aobj, true); 2436 if (likely(ret == 0)) { 2437 amdgpu_bo_unpin(aobj); 2438 amdgpu_bo_unreserve(aobj); 2439 } 2440 drm_gem_object_put(amdgpu_crtc->cursor_bo); 2441 } 2442 2443 amdgpu_crtc->cursor_bo = obj; 2444 return 0; 2445 } 2446 2447 static void dce_v10_0_cursor_reset(struct drm_crtc *crtc) 2448 { 2449 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2450 2451 if (amdgpu_crtc->cursor_bo) { 2452 dce_v10_0_lock_cursor(crtc, true); 2453 2454 dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x, 2455 amdgpu_crtc->cursor_y); 2456 2457 dce_v10_0_show_cursor(crtc); 2458 2459 dce_v10_0_lock_cursor(crtc, false); 2460 } 2461 } 2462 2463 static int dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, 2464 u16 *blue, uint32_t size, 2465 struct drm_modeset_acquire_ctx *ctx) 2466 { 2467 dce_v10_0_crtc_load_lut(crtc); 2468 2469 return 0; 2470 } 2471 2472 static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc) 2473 { 2474 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2475 2476 drm_crtc_cleanup(crtc); 2477 kfree(amdgpu_crtc); 2478 } 2479 2480 static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = { 2481 .cursor_set2 = dce_v10_0_crtc_cursor_set2, 2482 .cursor_move = dce_v10_0_crtc_cursor_move, 2483 .gamma_set = dce_v10_0_crtc_gamma_set, 2484 .set_config = amdgpu_display_crtc_set_config, 2485 .destroy = dce_v10_0_crtc_destroy, 2486 .page_flip_target = amdgpu_display_crtc_page_flip_target, 2487 .get_vblank_counter = amdgpu_get_vblank_counter_kms, 2488 .enable_vblank = amdgpu_enable_vblank_kms, 2489 .disable_vblank = amdgpu_disable_vblank_kms, 2490 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp, 2491 }; 2492 2493 static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode) 2494 { 2495 struct drm_device *dev = crtc->dev; 2496 struct amdgpu_device *adev = drm_to_adev(dev); 2497 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2498 unsigned type; 2499 2500 switch (mode) { 2501 case DRM_MODE_DPMS_ON: 2502 amdgpu_crtc->enabled = true; 2503 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE); 2504 dce_v10_0_vga_enable(crtc, true); 2505 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); 2506 dce_v10_0_vga_enable(crtc, false); 2507 /* Make sure VBLANK and PFLIP interrupts are still enabled */ 2508 type = amdgpu_display_crtc_idx_to_irq_type(adev, 2509 amdgpu_crtc->crtc_id); 2510 amdgpu_irq_update(adev, &adev->crtc_irq, type); 2511 amdgpu_irq_update(adev, &adev->pageflip_irq, type); 2512 drm_crtc_vblank_on(crtc); 2513 dce_v10_0_crtc_load_lut(crtc); 2514 break; 2515 case DRM_MODE_DPMS_STANDBY: 2516 case DRM_MODE_DPMS_SUSPEND: 2517 case DRM_MODE_DPMS_OFF: 2518 drm_crtc_vblank_off(crtc); 2519 if (amdgpu_crtc->enabled) { 2520 dce_v10_0_vga_enable(crtc, true); 2521 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE); 2522 dce_v10_0_vga_enable(crtc, false); 2523 } 2524 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE); 2525 amdgpu_crtc->enabled = false; 2526 break; 2527 } 2528 /* adjust pm to dpms */ 2529 amdgpu_dpm_compute_clocks(adev); 2530 } 2531 2532 static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc) 2533 { 2534 /* disable crtc pair power gating before programming */ 2535 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE); 2536 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE); 2537 dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2538 } 2539 2540 static void dce_v10_0_crtc_commit(struct drm_crtc *crtc) 2541 { 2542 dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 2543 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE); 2544 } 2545 2546 static void dce_v10_0_crtc_disable(struct drm_crtc *crtc) 2547 { 2548 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2549 struct drm_device *dev = crtc->dev; 2550 struct amdgpu_device *adev = drm_to_adev(dev); 2551 struct amdgpu_atom_ss ss; 2552 int i; 2553 2554 dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2555 if (crtc->primary->fb) { 2556 int r; 2557 struct amdgpu_bo *abo; 2558 2559 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]); 2560 r = amdgpu_bo_reserve(abo, true); 2561 if (unlikely(r)) 2562 DRM_ERROR("failed to reserve abo before unpin\n"); 2563 else { 2564 amdgpu_bo_unpin(abo); 2565 amdgpu_bo_unreserve(abo); 2566 } 2567 } 2568 /* disable the GRPH */ 2569 dce_v10_0_grph_enable(crtc, false); 2570 2571 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE); 2572 2573 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2574 if (adev->mode_info.crtcs[i] && 2575 adev->mode_info.crtcs[i]->enabled && 2576 i != amdgpu_crtc->crtc_id && 2577 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) { 2578 /* one other crtc is using this pll don't turn 2579 * off the pll 2580 */ 2581 goto done; 2582 } 2583 } 2584 2585 switch (amdgpu_crtc->pll_id) { 2586 case ATOM_PPLL0: 2587 case ATOM_PPLL1: 2588 case ATOM_PPLL2: 2589 /* disable the ppll */ 2590 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id, 2591 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2592 break; 2593 default: 2594 break; 2595 } 2596 done: 2597 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2598 amdgpu_crtc->adjusted_clock = 0; 2599 amdgpu_crtc->encoder = NULL; 2600 amdgpu_crtc->connector = NULL; 2601 } 2602 2603 static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc, 2604 struct drm_display_mode *mode, 2605 struct drm_display_mode *adjusted_mode, 2606 int x, int y, struct drm_framebuffer *old_fb) 2607 { 2608 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2609 2610 if (!amdgpu_crtc->adjusted_clock) 2611 return -EINVAL; 2612 2613 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode); 2614 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode); 2615 dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2616 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode); 2617 amdgpu_atombios_crtc_scaler_setup(crtc); 2618 dce_v10_0_cursor_reset(crtc); 2619 /* update the hw version fpr dpm */ 2620 amdgpu_crtc->hw_mode = *adjusted_mode; 2621 2622 return 0; 2623 } 2624 2625 static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc, 2626 const struct drm_display_mode *mode, 2627 struct drm_display_mode *adjusted_mode) 2628 { 2629 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2630 struct drm_device *dev = crtc->dev; 2631 struct drm_encoder *encoder; 2632 2633 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */ 2634 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 2635 if (encoder->crtc == crtc) { 2636 amdgpu_crtc->encoder = encoder; 2637 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder); 2638 break; 2639 } 2640 } 2641 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) { 2642 amdgpu_crtc->encoder = NULL; 2643 amdgpu_crtc->connector = NULL; 2644 return false; 2645 } 2646 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) 2647 return false; 2648 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode)) 2649 return false; 2650 /* pick pll */ 2651 amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc); 2652 /* if we can't get a PPLL for a non-DP encoder, fail */ 2653 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) && 2654 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) 2655 return false; 2656 2657 return true; 2658 } 2659 2660 static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y, 2661 struct drm_framebuffer *old_fb) 2662 { 2663 return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0); 2664 } 2665 2666 static int dce_v10_0_crtc_set_base_atomic(struct drm_crtc *crtc, 2667 struct drm_framebuffer *fb, 2668 int x, int y, enum mode_set_atomic state) 2669 { 2670 return dce_v10_0_crtc_do_set_base(crtc, fb, x, y, 1); 2671 } 2672 2673 static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = { 2674 .dpms = dce_v10_0_crtc_dpms, 2675 .mode_fixup = dce_v10_0_crtc_mode_fixup, 2676 .mode_set = dce_v10_0_crtc_mode_set, 2677 .mode_set_base = dce_v10_0_crtc_set_base, 2678 .mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic, 2679 .prepare = dce_v10_0_crtc_prepare, 2680 .commit = dce_v10_0_crtc_commit, 2681 .disable = dce_v10_0_crtc_disable, 2682 .get_scanout_position = amdgpu_crtc_get_scanout_position, 2683 }; 2684 2685 static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index) 2686 { 2687 struct amdgpu_crtc *amdgpu_crtc; 2688 2689 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) + 2690 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); 2691 if (amdgpu_crtc == NULL) 2692 return -ENOMEM; 2693 2694 drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v10_0_crtc_funcs); 2695 2696 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256); 2697 amdgpu_crtc->crtc_id = index; 2698 adev->mode_info.crtcs[index] = amdgpu_crtc; 2699 2700 amdgpu_crtc->max_cursor_width = 128; 2701 amdgpu_crtc->max_cursor_height = 128; 2702 adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width; 2703 adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height; 2704 2705 switch (amdgpu_crtc->crtc_id) { 2706 case 0: 2707 default: 2708 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET; 2709 break; 2710 case 1: 2711 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET; 2712 break; 2713 case 2: 2714 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET; 2715 break; 2716 case 3: 2717 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET; 2718 break; 2719 case 4: 2720 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET; 2721 break; 2722 case 5: 2723 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET; 2724 break; 2725 } 2726 2727 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2728 amdgpu_crtc->adjusted_clock = 0; 2729 amdgpu_crtc->encoder = NULL; 2730 amdgpu_crtc->connector = NULL; 2731 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs); 2732 2733 return 0; 2734 } 2735 2736 static int dce_v10_0_early_init(void *handle) 2737 { 2738 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2739 2740 adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg; 2741 adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg; 2742 2743 dce_v10_0_set_display_funcs(adev); 2744 2745 adev->mode_info.num_crtc = dce_v10_0_get_num_crtc(adev); 2746 2747 switch (adev->asic_type) { 2748 case CHIP_FIJI: 2749 case CHIP_TONGA: 2750 adev->mode_info.num_hpd = 6; 2751 adev->mode_info.num_dig = 7; 2752 break; 2753 default: 2754 /* FIXME: not supported yet */ 2755 return -EINVAL; 2756 } 2757 2758 dce_v10_0_set_irq_funcs(adev); 2759 2760 return 0; 2761 } 2762 2763 static int dce_v10_0_sw_init(void *handle) 2764 { 2765 int r, i; 2766 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2767 2768 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2769 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq); 2770 if (r) 2771 return r; 2772 } 2773 2774 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) { 2775 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq); 2776 if (r) 2777 return r; 2778 } 2779 2780 /* HPD hotplug */ 2781 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq); 2782 if (r) 2783 return r; 2784 2785 adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs; 2786 2787 adev_to_drm(adev)->mode_config.async_page_flip = true; 2788 2789 adev_to_drm(adev)->mode_config.max_width = 16384; 2790 adev_to_drm(adev)->mode_config.max_height = 16384; 2791 2792 adev_to_drm(adev)->mode_config.preferred_depth = 24; 2793 adev_to_drm(adev)->mode_config.prefer_shadow = 1; 2794 2795 adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true; 2796 2797 r = amdgpu_display_modeset_create_props(adev); 2798 if (r) 2799 return r; 2800 2801 adev_to_drm(adev)->mode_config.max_width = 16384; 2802 adev_to_drm(adev)->mode_config.max_height = 16384; 2803 2804 /* allocate crtcs */ 2805 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2806 r = dce_v10_0_crtc_init(adev, i); 2807 if (r) 2808 return r; 2809 } 2810 2811 if (amdgpu_atombios_get_connector_info_from_object_table(adev)) 2812 amdgpu_display_print_display_setup(adev_to_drm(adev)); 2813 else 2814 return -EINVAL; 2815 2816 /* setup afmt */ 2817 r = dce_v10_0_afmt_init(adev); 2818 if (r) 2819 return r; 2820 2821 r = dce_v10_0_audio_init(adev); 2822 if (r) 2823 return r; 2824 2825 /* Disable vblank IRQs aggressively for power-saving */ 2826 /* XXX: can this be enabled for DC? */ 2827 adev_to_drm(adev)->vblank_disable_immediate = true; 2828 2829 r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc); 2830 if (r) 2831 return r; 2832 2833 INIT_DELAYED_WORK(&adev->hotplug_work, 2834 amdgpu_display_hotplug_work_func); 2835 2836 drm_kms_helper_poll_init(adev_to_drm(adev)); 2837 2838 adev->mode_info.mode_config_initialized = true; 2839 return 0; 2840 } 2841 2842 static int dce_v10_0_sw_fini(void *handle) 2843 { 2844 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2845 2846 kfree(adev->mode_info.bios_hardcoded_edid); 2847 2848 drm_kms_helper_poll_fini(adev_to_drm(adev)); 2849 2850 dce_v10_0_audio_fini(adev); 2851 2852 dce_v10_0_afmt_fini(adev); 2853 2854 drm_mode_config_cleanup(adev_to_drm(adev)); 2855 adev->mode_info.mode_config_initialized = false; 2856 2857 return 0; 2858 } 2859 2860 static int dce_v10_0_hw_init(void *handle) 2861 { 2862 int i; 2863 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2864 2865 dce_v10_0_init_golden_registers(adev); 2866 2867 /* disable vga render */ 2868 dce_v10_0_set_vga_render_state(adev, false); 2869 /* init dig PHYs, disp eng pll */ 2870 amdgpu_atombios_encoder_init_dig(adev); 2871 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk); 2872 2873 /* initialize hpd */ 2874 dce_v10_0_hpd_init(adev); 2875 2876 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 2877 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 2878 } 2879 2880 dce_v10_0_pageflip_interrupt_init(adev); 2881 2882 return 0; 2883 } 2884 2885 static int dce_v10_0_hw_fini(void *handle) 2886 { 2887 int i; 2888 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2889 2890 dce_v10_0_hpd_fini(adev); 2891 2892 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 2893 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 2894 } 2895 2896 dce_v10_0_pageflip_interrupt_fini(adev); 2897 2898 flush_delayed_work(&adev->hotplug_work); 2899 2900 return 0; 2901 } 2902 2903 static int dce_v10_0_suspend(void *handle) 2904 { 2905 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2906 int r; 2907 2908 r = amdgpu_display_suspend_helper(adev); 2909 if (r) 2910 return r; 2911 2912 adev->mode_info.bl_level = 2913 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev); 2914 2915 return dce_v10_0_hw_fini(handle); 2916 } 2917 2918 static int dce_v10_0_resume(void *handle) 2919 { 2920 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2921 int ret; 2922 2923 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev, 2924 adev->mode_info.bl_level); 2925 2926 ret = dce_v10_0_hw_init(handle); 2927 2928 /* turn on the BL */ 2929 if (adev->mode_info.bl_encoder) { 2930 u8 bl_level = amdgpu_display_backlight_get_level(adev, 2931 adev->mode_info.bl_encoder); 2932 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder, 2933 bl_level); 2934 } 2935 if (ret) 2936 return ret; 2937 2938 return amdgpu_display_resume_helper(adev); 2939 } 2940 2941 static bool dce_v10_0_is_idle(void *handle) 2942 { 2943 return true; 2944 } 2945 2946 static int dce_v10_0_wait_for_idle(void *handle) 2947 { 2948 return 0; 2949 } 2950 2951 static bool dce_v10_0_check_soft_reset(void *handle) 2952 { 2953 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2954 2955 return dce_v10_0_is_display_hung(adev); 2956 } 2957 2958 static int dce_v10_0_soft_reset(void *handle) 2959 { 2960 u32 srbm_soft_reset = 0, tmp; 2961 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2962 2963 if (dce_v10_0_is_display_hung(adev)) 2964 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK; 2965 2966 if (srbm_soft_reset) { 2967 tmp = RREG32(mmSRBM_SOFT_RESET); 2968 tmp |= srbm_soft_reset; 2969 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 2970 WREG32(mmSRBM_SOFT_RESET, tmp); 2971 tmp = RREG32(mmSRBM_SOFT_RESET); 2972 2973 udelay(50); 2974 2975 tmp &= ~srbm_soft_reset; 2976 WREG32(mmSRBM_SOFT_RESET, tmp); 2977 tmp = RREG32(mmSRBM_SOFT_RESET); 2978 2979 /* Wait a little for things to settle down */ 2980 udelay(50); 2981 } 2982 return 0; 2983 } 2984 2985 static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev, 2986 int crtc, 2987 enum amdgpu_interrupt_state state) 2988 { 2989 u32 lb_interrupt_mask; 2990 2991 if (crtc >= adev->mode_info.num_crtc) { 2992 DRM_DEBUG("invalid crtc %d\n", crtc); 2993 return; 2994 } 2995 2996 switch (state) { 2997 case AMDGPU_IRQ_STATE_DISABLE: 2998 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 2999 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3000 VBLANK_INTERRUPT_MASK, 0); 3001 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3002 break; 3003 case AMDGPU_IRQ_STATE_ENABLE: 3004 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3005 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3006 VBLANK_INTERRUPT_MASK, 1); 3007 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3008 break; 3009 default: 3010 break; 3011 } 3012 } 3013 3014 static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev, 3015 int crtc, 3016 enum amdgpu_interrupt_state state) 3017 { 3018 u32 lb_interrupt_mask; 3019 3020 if (crtc >= adev->mode_info.num_crtc) { 3021 DRM_DEBUG("invalid crtc %d\n", crtc); 3022 return; 3023 } 3024 3025 switch (state) { 3026 case AMDGPU_IRQ_STATE_DISABLE: 3027 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3028 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3029 VLINE_INTERRUPT_MASK, 0); 3030 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3031 break; 3032 case AMDGPU_IRQ_STATE_ENABLE: 3033 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3034 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3035 VLINE_INTERRUPT_MASK, 1); 3036 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3037 break; 3038 default: 3039 break; 3040 } 3041 } 3042 3043 static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev, 3044 struct amdgpu_irq_src *source, 3045 unsigned hpd, 3046 enum amdgpu_interrupt_state state) 3047 { 3048 u32 tmp; 3049 3050 if (hpd >= adev->mode_info.num_hpd) { 3051 DRM_DEBUG("invalid hdp %d\n", hpd); 3052 return 0; 3053 } 3054 3055 switch (state) { 3056 case AMDGPU_IRQ_STATE_DISABLE: 3057 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3058 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 3059 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3060 break; 3061 case AMDGPU_IRQ_STATE_ENABLE: 3062 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3063 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1); 3064 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3065 break; 3066 default: 3067 break; 3068 } 3069 3070 return 0; 3071 } 3072 3073 static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev, 3074 struct amdgpu_irq_src *source, 3075 unsigned type, 3076 enum amdgpu_interrupt_state state) 3077 { 3078 switch (type) { 3079 case AMDGPU_CRTC_IRQ_VBLANK1: 3080 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state); 3081 break; 3082 case AMDGPU_CRTC_IRQ_VBLANK2: 3083 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state); 3084 break; 3085 case AMDGPU_CRTC_IRQ_VBLANK3: 3086 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state); 3087 break; 3088 case AMDGPU_CRTC_IRQ_VBLANK4: 3089 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state); 3090 break; 3091 case AMDGPU_CRTC_IRQ_VBLANK5: 3092 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state); 3093 break; 3094 case AMDGPU_CRTC_IRQ_VBLANK6: 3095 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state); 3096 break; 3097 case AMDGPU_CRTC_IRQ_VLINE1: 3098 dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state); 3099 break; 3100 case AMDGPU_CRTC_IRQ_VLINE2: 3101 dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state); 3102 break; 3103 case AMDGPU_CRTC_IRQ_VLINE3: 3104 dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state); 3105 break; 3106 case AMDGPU_CRTC_IRQ_VLINE4: 3107 dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state); 3108 break; 3109 case AMDGPU_CRTC_IRQ_VLINE5: 3110 dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state); 3111 break; 3112 case AMDGPU_CRTC_IRQ_VLINE6: 3113 dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state); 3114 break; 3115 default: 3116 break; 3117 } 3118 return 0; 3119 } 3120 3121 static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev, 3122 struct amdgpu_irq_src *src, 3123 unsigned type, 3124 enum amdgpu_interrupt_state state) 3125 { 3126 u32 reg; 3127 3128 if (type >= adev->mode_info.num_crtc) { 3129 DRM_ERROR("invalid pageflip crtc %d\n", type); 3130 return -EINVAL; 3131 } 3132 3133 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]); 3134 if (state == AMDGPU_IRQ_STATE_DISABLE) 3135 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3136 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3137 else 3138 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3139 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3140 3141 return 0; 3142 } 3143 3144 static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev, 3145 struct amdgpu_irq_src *source, 3146 struct amdgpu_iv_entry *entry) 3147 { 3148 unsigned long flags; 3149 unsigned crtc_id; 3150 struct amdgpu_crtc *amdgpu_crtc; 3151 struct amdgpu_flip_work *works; 3152 3153 crtc_id = (entry->src_id - 8) >> 1; 3154 amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 3155 3156 if (crtc_id >= adev->mode_info.num_crtc) { 3157 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id); 3158 return -EINVAL; 3159 } 3160 3161 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) & 3162 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK) 3163 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id], 3164 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK); 3165 3166 /* IRQ could occur when in initial stage */ 3167 if (amdgpu_crtc == NULL) 3168 return 0; 3169 3170 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags); 3171 works = amdgpu_crtc->pflip_works; 3172 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) { 3173 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != " 3174 "AMDGPU_FLIP_SUBMITTED(%d)\n", 3175 amdgpu_crtc->pflip_status, 3176 AMDGPU_FLIP_SUBMITTED); 3177 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 3178 return 0; 3179 } 3180 3181 /* page flip completed. clean up */ 3182 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE; 3183 amdgpu_crtc->pflip_works = NULL; 3184 3185 /* wakeup usersapce */ 3186 if (works->event) 3187 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event); 3188 3189 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 3190 3191 drm_crtc_vblank_put(&amdgpu_crtc->base); 3192 schedule_work(&works->unpin_work); 3193 3194 return 0; 3195 } 3196 3197 static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev, 3198 int hpd) 3199 { 3200 u32 tmp; 3201 3202 if (hpd >= adev->mode_info.num_hpd) { 3203 DRM_DEBUG("invalid hdp %d\n", hpd); 3204 return; 3205 } 3206 3207 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3208 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1); 3209 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3210 } 3211 3212 static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev, 3213 int crtc) 3214 { 3215 u32 tmp; 3216 3217 if (crtc >= adev->mode_info.num_crtc) { 3218 DRM_DEBUG("invalid crtc %d\n", crtc); 3219 return; 3220 } 3221 3222 tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]); 3223 tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1); 3224 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp); 3225 } 3226 3227 static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev, 3228 int crtc) 3229 { 3230 u32 tmp; 3231 3232 if (crtc >= adev->mode_info.num_crtc) { 3233 DRM_DEBUG("invalid crtc %d\n", crtc); 3234 return; 3235 } 3236 3237 tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]); 3238 tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1); 3239 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp); 3240 } 3241 3242 static int dce_v10_0_crtc_irq(struct amdgpu_device *adev, 3243 struct amdgpu_irq_src *source, 3244 struct amdgpu_iv_entry *entry) 3245 { 3246 unsigned crtc = entry->src_id - 1; 3247 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg); 3248 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, crtc); 3249 3250 switch (entry->src_data[0]) { 3251 case 0: /* vblank */ 3252 if (disp_int & interrupt_status_offsets[crtc].vblank) 3253 dce_v10_0_crtc_vblank_int_ack(adev, crtc); 3254 else 3255 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3256 3257 if (amdgpu_irq_enabled(adev, source, irq_type)) { 3258 drm_handle_vblank(adev_to_drm(adev), crtc); 3259 } 3260 DRM_DEBUG("IH: D%d vblank\n", crtc + 1); 3261 3262 break; 3263 case 1: /* vline */ 3264 if (disp_int & interrupt_status_offsets[crtc].vline) 3265 dce_v10_0_crtc_vline_int_ack(adev, crtc); 3266 else 3267 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3268 3269 DRM_DEBUG("IH: D%d vline\n", crtc + 1); 3270 3271 break; 3272 default: 3273 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); 3274 break; 3275 } 3276 3277 return 0; 3278 } 3279 3280 static int dce_v10_0_hpd_irq(struct amdgpu_device *adev, 3281 struct amdgpu_irq_src *source, 3282 struct amdgpu_iv_entry *entry) 3283 { 3284 uint32_t disp_int, mask; 3285 unsigned hpd; 3286 3287 if (entry->src_data[0] >= adev->mode_info.num_hpd) { 3288 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); 3289 return 0; 3290 } 3291 3292 hpd = entry->src_data[0]; 3293 disp_int = RREG32(interrupt_status_offsets[hpd].reg); 3294 mask = interrupt_status_offsets[hpd].hpd; 3295 3296 if (disp_int & mask) { 3297 dce_v10_0_hpd_int_ack(adev, hpd); 3298 schedule_delayed_work(&adev->hotplug_work, 0); 3299 DRM_DEBUG("IH: HPD%d\n", hpd + 1); 3300 } 3301 3302 return 0; 3303 } 3304 3305 static int dce_v10_0_set_clockgating_state(void *handle, 3306 enum amd_clockgating_state state) 3307 { 3308 return 0; 3309 } 3310 3311 static int dce_v10_0_set_powergating_state(void *handle, 3312 enum amd_powergating_state state) 3313 { 3314 return 0; 3315 } 3316 3317 static const struct amd_ip_funcs dce_v10_0_ip_funcs = { 3318 .name = "dce_v10_0", 3319 .early_init = dce_v10_0_early_init, 3320 .late_init = NULL, 3321 .sw_init = dce_v10_0_sw_init, 3322 .sw_fini = dce_v10_0_sw_fini, 3323 .hw_init = dce_v10_0_hw_init, 3324 .hw_fini = dce_v10_0_hw_fini, 3325 .suspend = dce_v10_0_suspend, 3326 .resume = dce_v10_0_resume, 3327 .is_idle = dce_v10_0_is_idle, 3328 .wait_for_idle = dce_v10_0_wait_for_idle, 3329 .check_soft_reset = dce_v10_0_check_soft_reset, 3330 .soft_reset = dce_v10_0_soft_reset, 3331 .set_clockgating_state = dce_v10_0_set_clockgating_state, 3332 .set_powergating_state = dce_v10_0_set_powergating_state, 3333 }; 3334 3335 static void 3336 dce_v10_0_encoder_mode_set(struct drm_encoder *encoder, 3337 struct drm_display_mode *mode, 3338 struct drm_display_mode *adjusted_mode) 3339 { 3340 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3341 3342 amdgpu_encoder->pixel_clock = adjusted_mode->clock; 3343 3344 /* need to call this here rather than in prepare() since we need some crtc info */ 3345 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3346 3347 /* set scaler clears this on some chips */ 3348 dce_v10_0_set_interleave(encoder->crtc, mode); 3349 3350 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) { 3351 dce_v10_0_afmt_enable(encoder, true); 3352 dce_v10_0_afmt_setmode(encoder, adjusted_mode); 3353 } 3354 } 3355 3356 static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder) 3357 { 3358 struct amdgpu_device *adev = drm_to_adev(encoder->dev); 3359 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3360 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 3361 3362 if ((amdgpu_encoder->active_device & 3363 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) || 3364 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != 3365 ENCODER_OBJECT_ID_NONE)) { 3366 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 3367 if (dig) { 3368 dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder); 3369 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT) 3370 dig->afmt = adev->mode_info.afmt[dig->dig_encoder]; 3371 } 3372 } 3373 3374 amdgpu_atombios_scratch_regs_lock(adev, true); 3375 3376 if (connector) { 3377 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 3378 3379 /* select the clock/data port if it uses a router */ 3380 if (amdgpu_connector->router.cd_valid) 3381 amdgpu_i2c_router_select_cd_port(amdgpu_connector); 3382 3383 /* turn eDP panel on for mode set */ 3384 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) 3385 amdgpu_atombios_encoder_set_edp_panel_power(connector, 3386 ATOM_TRANSMITTER_ACTION_POWER_ON); 3387 } 3388 3389 /* this is needed for the pll/ss setup to work correctly in some cases */ 3390 amdgpu_atombios_encoder_set_crtc_source(encoder); 3391 /* set up the FMT blocks */ 3392 dce_v10_0_program_fmt(encoder); 3393 } 3394 3395 static void dce_v10_0_encoder_commit(struct drm_encoder *encoder) 3396 { 3397 struct drm_device *dev = encoder->dev; 3398 struct amdgpu_device *adev = drm_to_adev(dev); 3399 3400 /* need to call this here as we need the crtc set up */ 3401 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON); 3402 amdgpu_atombios_scratch_regs_lock(adev, false); 3403 } 3404 3405 static void dce_v10_0_encoder_disable(struct drm_encoder *encoder) 3406 { 3407 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3408 struct amdgpu_encoder_atom_dig *dig; 3409 3410 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3411 3412 if (amdgpu_atombios_encoder_is_digital(encoder)) { 3413 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) 3414 dce_v10_0_afmt_enable(encoder, false); 3415 dig = amdgpu_encoder->enc_priv; 3416 dig->dig_encoder = -1; 3417 } 3418 amdgpu_encoder->active_device = 0; 3419 } 3420 3421 /* these are handled by the primary encoders */ 3422 static void dce_v10_0_ext_prepare(struct drm_encoder *encoder) 3423 { 3424 3425 } 3426 3427 static void dce_v10_0_ext_commit(struct drm_encoder *encoder) 3428 { 3429 3430 } 3431 3432 static void 3433 dce_v10_0_ext_mode_set(struct drm_encoder *encoder, 3434 struct drm_display_mode *mode, 3435 struct drm_display_mode *adjusted_mode) 3436 { 3437 3438 } 3439 3440 static void dce_v10_0_ext_disable(struct drm_encoder *encoder) 3441 { 3442 3443 } 3444 3445 static void 3446 dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode) 3447 { 3448 3449 } 3450 3451 static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = { 3452 .dpms = dce_v10_0_ext_dpms, 3453 .prepare = dce_v10_0_ext_prepare, 3454 .mode_set = dce_v10_0_ext_mode_set, 3455 .commit = dce_v10_0_ext_commit, 3456 .disable = dce_v10_0_ext_disable, 3457 /* no detect for TMDS/LVDS yet */ 3458 }; 3459 3460 static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = { 3461 .dpms = amdgpu_atombios_encoder_dpms, 3462 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3463 .prepare = dce_v10_0_encoder_prepare, 3464 .mode_set = dce_v10_0_encoder_mode_set, 3465 .commit = dce_v10_0_encoder_commit, 3466 .disable = dce_v10_0_encoder_disable, 3467 .detect = amdgpu_atombios_encoder_dig_detect, 3468 }; 3469 3470 static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = { 3471 .dpms = amdgpu_atombios_encoder_dpms, 3472 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3473 .prepare = dce_v10_0_encoder_prepare, 3474 .mode_set = dce_v10_0_encoder_mode_set, 3475 .commit = dce_v10_0_encoder_commit, 3476 .detect = amdgpu_atombios_encoder_dac_detect, 3477 }; 3478 3479 static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder) 3480 { 3481 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3482 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3483 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder); 3484 kfree(amdgpu_encoder->enc_priv); 3485 drm_encoder_cleanup(encoder); 3486 kfree(amdgpu_encoder); 3487 } 3488 3489 static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = { 3490 .destroy = dce_v10_0_encoder_destroy, 3491 }; 3492 3493 static void dce_v10_0_encoder_add(struct amdgpu_device *adev, 3494 uint32_t encoder_enum, 3495 uint32_t supported_device, 3496 u16 caps) 3497 { 3498 struct drm_device *dev = adev_to_drm(adev); 3499 struct drm_encoder *encoder; 3500 struct amdgpu_encoder *amdgpu_encoder; 3501 3502 /* see if we already added it */ 3503 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 3504 amdgpu_encoder = to_amdgpu_encoder(encoder); 3505 if (amdgpu_encoder->encoder_enum == encoder_enum) { 3506 amdgpu_encoder->devices |= supported_device; 3507 return; 3508 } 3509 3510 } 3511 3512 /* add a new one */ 3513 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL); 3514 if (!amdgpu_encoder) 3515 return; 3516 3517 encoder = &amdgpu_encoder->base; 3518 switch (adev->mode_info.num_crtc) { 3519 case 1: 3520 encoder->possible_crtcs = 0x1; 3521 break; 3522 case 2: 3523 default: 3524 encoder->possible_crtcs = 0x3; 3525 break; 3526 case 4: 3527 encoder->possible_crtcs = 0xf; 3528 break; 3529 case 6: 3530 encoder->possible_crtcs = 0x3f; 3531 break; 3532 } 3533 3534 amdgpu_encoder->enc_priv = NULL; 3535 3536 amdgpu_encoder->encoder_enum = encoder_enum; 3537 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT; 3538 amdgpu_encoder->devices = supported_device; 3539 amdgpu_encoder->rmx_type = RMX_OFF; 3540 amdgpu_encoder->underscan_type = UNDERSCAN_OFF; 3541 amdgpu_encoder->is_ext_encoder = false; 3542 amdgpu_encoder->caps = caps; 3543 3544 switch (amdgpu_encoder->encoder_id) { 3545 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1: 3546 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2: 3547 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3548 DRM_MODE_ENCODER_DAC, NULL); 3549 drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs); 3550 break; 3551 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 3552 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 3553 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 3554 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 3555 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 3556 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 3557 amdgpu_encoder->rmx_type = RMX_FULL; 3558 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3559 DRM_MODE_ENCODER_LVDS, NULL); 3560 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder); 3561 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) { 3562 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3563 DRM_MODE_ENCODER_DAC, NULL); 3564 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3565 } else { 3566 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3567 DRM_MODE_ENCODER_TMDS, NULL); 3568 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3569 } 3570 drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs); 3571 break; 3572 case ENCODER_OBJECT_ID_SI170B: 3573 case ENCODER_OBJECT_ID_CH7303: 3574 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA: 3575 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB: 3576 case ENCODER_OBJECT_ID_TITFP513: 3577 case ENCODER_OBJECT_ID_VT1623: 3578 case ENCODER_OBJECT_ID_HDMI_SI1930: 3579 case ENCODER_OBJECT_ID_TRAVIS: 3580 case ENCODER_OBJECT_ID_NUTMEG: 3581 /* these are handled by the primary encoders */ 3582 amdgpu_encoder->is_ext_encoder = true; 3583 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3584 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3585 DRM_MODE_ENCODER_LVDS, NULL); 3586 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) 3587 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3588 DRM_MODE_ENCODER_DAC, NULL); 3589 else 3590 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3591 DRM_MODE_ENCODER_TMDS, NULL); 3592 drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs); 3593 break; 3594 } 3595 } 3596 3597 static const struct amdgpu_display_funcs dce_v10_0_display_funcs = { 3598 .bandwidth_update = &dce_v10_0_bandwidth_update, 3599 .vblank_get_counter = &dce_v10_0_vblank_get_counter, 3600 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level, 3601 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level, 3602 .hpd_sense = &dce_v10_0_hpd_sense, 3603 .hpd_set_polarity = &dce_v10_0_hpd_set_polarity, 3604 .hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg, 3605 .page_flip = &dce_v10_0_page_flip, 3606 .page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos, 3607 .add_encoder = &dce_v10_0_encoder_add, 3608 .add_connector = &amdgpu_connector_add, 3609 }; 3610 3611 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev) 3612 { 3613 adev->mode_info.funcs = &dce_v10_0_display_funcs; 3614 } 3615 3616 static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = { 3617 .set = dce_v10_0_set_crtc_irq_state, 3618 .process = dce_v10_0_crtc_irq, 3619 }; 3620 3621 static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = { 3622 .set = dce_v10_0_set_pageflip_irq_state, 3623 .process = dce_v10_0_pageflip_irq, 3624 }; 3625 3626 static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = { 3627 .set = dce_v10_0_set_hpd_irq_state, 3628 .process = dce_v10_0_hpd_irq, 3629 }; 3630 3631 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev) 3632 { 3633 if (adev->mode_info.num_crtc > 0) 3634 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc; 3635 else 3636 adev->crtc_irq.num_types = 0; 3637 adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs; 3638 3639 adev->pageflip_irq.num_types = adev->mode_info.num_crtc; 3640 adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs; 3641 3642 adev->hpd_irq.num_types = adev->mode_info.num_hpd; 3643 adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs; 3644 } 3645 3646 const struct amdgpu_ip_block_version dce_v10_0_ip_block = { 3647 .type = AMD_IP_BLOCK_TYPE_DCE, 3648 .major = 10, 3649 .minor = 0, 3650 .rev = 0, 3651 .funcs = &dce_v10_0_ip_funcs, 3652 }; 3653 3654 const struct amdgpu_ip_block_version dce_v10_1_ip_block = { 3655 .type = AMD_IP_BLOCK_TYPE_DCE, 3656 .major = 10, 3657 .minor = 1, 3658 .rev = 0, 3659 .funcs = &dce_v10_0_ip_funcs, 3660 }; 3661