1 /* 2 * Copyright 2014 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 */ 23 24 #include <drm/drm_edid.h> 25 #include <drm/drm_fourcc.h> 26 #include <drm/drm_modeset_helper.h> 27 #include <drm/drm_modeset_helper_vtables.h> 28 #include <drm/drm_vblank.h> 29 30 #include "amdgpu.h" 31 #include "amdgpu_pm.h" 32 #include "amdgpu_i2c.h" 33 #include "vid.h" 34 #include "atom.h" 35 #include "amdgpu_atombios.h" 36 #include "atombios_crtc.h" 37 #include "atombios_encoders.h" 38 #include "amdgpu_pll.h" 39 #include "amdgpu_connectors.h" 40 #include "amdgpu_display.h" 41 #include "dce_v10_0.h" 42 43 #include "dce/dce_10_0_d.h" 44 #include "dce/dce_10_0_sh_mask.h" 45 #include "dce/dce_10_0_enum.h" 46 #include "oss/oss_3_0_d.h" 47 #include "oss/oss_3_0_sh_mask.h" 48 #include "gmc/gmc_8_1_d.h" 49 #include "gmc/gmc_8_1_sh_mask.h" 50 51 #include "ivsrcid/ivsrcid_vislands30.h" 52 53 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev); 54 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev); 55 static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev, int hpd); 56 57 static const u32 crtc_offsets[] = { 58 CRTC0_REGISTER_OFFSET, 59 CRTC1_REGISTER_OFFSET, 60 CRTC2_REGISTER_OFFSET, 61 CRTC3_REGISTER_OFFSET, 62 CRTC4_REGISTER_OFFSET, 63 CRTC5_REGISTER_OFFSET, 64 CRTC6_REGISTER_OFFSET 65 }; 66 67 static const u32 hpd_offsets[] = { 68 HPD0_REGISTER_OFFSET, 69 HPD1_REGISTER_OFFSET, 70 HPD2_REGISTER_OFFSET, 71 HPD3_REGISTER_OFFSET, 72 HPD4_REGISTER_OFFSET, 73 HPD5_REGISTER_OFFSET 74 }; 75 76 static const uint32_t dig_offsets[] = { 77 DIG0_REGISTER_OFFSET, 78 DIG1_REGISTER_OFFSET, 79 DIG2_REGISTER_OFFSET, 80 DIG3_REGISTER_OFFSET, 81 DIG4_REGISTER_OFFSET, 82 DIG5_REGISTER_OFFSET, 83 DIG6_REGISTER_OFFSET 84 }; 85 86 static const struct { 87 uint32_t reg; 88 uint32_t vblank; 89 uint32_t vline; 90 uint32_t hpd; 91 92 } interrupt_status_offsets[] = { { 93 .reg = mmDISP_INTERRUPT_STATUS, 94 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK, 95 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK, 96 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK 97 }, { 98 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE, 99 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK, 100 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK, 101 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK 102 }, { 103 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2, 104 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK, 105 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK, 106 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK 107 }, { 108 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3, 109 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK, 110 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK, 111 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK 112 }, { 113 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4, 114 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK, 115 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK, 116 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK 117 }, { 118 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5, 119 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK, 120 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK, 121 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK 122 } }; 123 124 static const u32 golden_settings_tonga_a11[] = { 125 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 126 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 127 mmFBC_MISC, 0x1f311fff, 0x12300000, 128 mmHDMI_CONTROL, 0x31000111, 0x00000011, 129 }; 130 131 static const u32 tonga_mgcg_cgcg_init[] = { 132 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100, 133 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000, 134 }; 135 136 static const u32 golden_settings_fiji_a10[] = { 137 mmDCI_CLK_CNTL, 0x00000080, 0x00000000, 138 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070, 139 mmFBC_MISC, 0x1f311fff, 0x12300000, 140 mmHDMI_CONTROL, 0x31000111, 0x00000011, 141 }; 142 143 static const u32 fiji_mgcg_cgcg_init[] = { 144 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100, 145 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000, 146 }; 147 148 static void dce_v10_0_init_golden_registers(struct amdgpu_device *adev) 149 { 150 switch (adev->asic_type) { 151 case CHIP_FIJI: 152 amdgpu_device_program_register_sequence(adev, 153 fiji_mgcg_cgcg_init, 154 ARRAY_SIZE(fiji_mgcg_cgcg_init)); 155 amdgpu_device_program_register_sequence(adev, 156 golden_settings_fiji_a10, 157 ARRAY_SIZE(golden_settings_fiji_a10)); 158 break; 159 case CHIP_TONGA: 160 amdgpu_device_program_register_sequence(adev, 161 tonga_mgcg_cgcg_init, 162 ARRAY_SIZE(tonga_mgcg_cgcg_init)); 163 amdgpu_device_program_register_sequence(adev, 164 golden_settings_tonga_a11, 165 ARRAY_SIZE(golden_settings_tonga_a11)); 166 break; 167 default: 168 break; 169 } 170 } 171 172 static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev, 173 u32 block_offset, u32 reg) 174 { 175 unsigned long flags; 176 u32 r; 177 178 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 179 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 180 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset); 181 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 182 183 return r; 184 } 185 186 static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev, 187 u32 block_offset, u32 reg, u32 v) 188 { 189 unsigned long flags; 190 191 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); 192 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg); 193 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v); 194 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); 195 } 196 197 static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc) 198 { 199 if (crtc >= adev->mode_info.num_crtc) 200 return 0; 201 else 202 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]); 203 } 204 205 static void dce_v10_0_pageflip_interrupt_init(struct amdgpu_device *adev) 206 { 207 unsigned i; 208 209 /* Enable pflip interrupts */ 210 for (i = 0; i < adev->mode_info.num_crtc; i++) 211 amdgpu_irq_get(adev, &adev->pageflip_irq, i); 212 } 213 214 static void dce_v10_0_pageflip_interrupt_fini(struct amdgpu_device *adev) 215 { 216 unsigned i; 217 218 /* Disable pflip interrupts */ 219 for (i = 0; i < adev->mode_info.num_crtc; i++) 220 amdgpu_irq_put(adev, &adev->pageflip_irq, i); 221 } 222 223 /** 224 * dce_v10_0_page_flip - pageflip callback. 225 * 226 * @adev: amdgpu_device pointer 227 * @crtc_id: crtc to cleanup pageflip on 228 * @crtc_base: new address of the crtc (GPU MC address) 229 * @async: asynchronous flip 230 * 231 * Triggers the actual pageflip by updating the primary 232 * surface base address. 233 */ 234 static void dce_v10_0_page_flip(struct amdgpu_device *adev, 235 int crtc_id, u64 crtc_base, bool async) 236 { 237 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 238 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb; 239 u32 tmp; 240 241 /* flip at hsync for async, default is vsync */ 242 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 243 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 244 GRPH_SURFACE_UPDATE_H_RETRACE_EN, async ? 1 : 0); 245 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 246 /* update pitch */ 247 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, 248 fb->pitches[0] / fb->format->cpp[0]); 249 /* update the primary scanout address */ 250 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 251 upper_32_bits(crtc_base)); 252 /* writing to the low address triggers the update */ 253 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 254 lower_32_bits(crtc_base)); 255 /* post the write */ 256 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset); 257 } 258 259 static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, 260 u32 *vbl, u32 *position) 261 { 262 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc)) 263 return -EINVAL; 264 265 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]); 266 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]); 267 268 return 0; 269 } 270 271 /** 272 * dce_v10_0_hpd_sense - hpd sense callback. 273 * 274 * @adev: amdgpu_device pointer 275 * @hpd: hpd (hotplug detect) pin 276 * 277 * Checks if a digital monitor is connected (evergreen+). 278 * Returns true if connected, false if not connected. 279 */ 280 static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev, 281 enum amdgpu_hpd_id hpd) 282 { 283 bool connected = false; 284 285 if (hpd >= adev->mode_info.num_hpd) 286 return connected; 287 288 if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) & 289 DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK) 290 connected = true; 291 292 return connected; 293 } 294 295 /** 296 * dce_v10_0_hpd_set_polarity - hpd set polarity callback. 297 * 298 * @adev: amdgpu_device pointer 299 * @hpd: hpd (hotplug detect) pin 300 * 301 * Set the polarity of the hpd pin (evergreen+). 302 */ 303 static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev, 304 enum amdgpu_hpd_id hpd) 305 { 306 u32 tmp; 307 bool connected = dce_v10_0_hpd_sense(adev, hpd); 308 309 if (hpd >= adev->mode_info.num_hpd) 310 return; 311 312 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 313 if (connected) 314 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0); 315 else 316 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1); 317 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 318 } 319 320 /** 321 * dce_v10_0_hpd_init - hpd setup callback. 322 * 323 * @adev: amdgpu_device pointer 324 * 325 * Setup the hpd pins used by the card (evergreen+). 326 * Enable the pin, set the polarity, and enable the hpd interrupts. 327 */ 328 static void dce_v10_0_hpd_init(struct amdgpu_device *adev) 329 { 330 struct drm_device *dev = adev_to_drm(adev); 331 struct drm_connector *connector; 332 struct drm_connector_list_iter iter; 333 u32 tmp; 334 335 drm_connector_list_iter_begin(dev, &iter); 336 drm_for_each_connector_iter(connector, &iter) { 337 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 338 339 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 340 continue; 341 342 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 343 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { 344 /* don't try to enable hpd on eDP or LVDS avoid breaking the 345 * aux dp channel on imac and help (but not completely fix) 346 * https://bugzilla.redhat.com/show_bug.cgi?id=726143 347 * also avoid interrupt storms during dpms. 348 */ 349 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 350 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 351 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 352 continue; 353 } 354 355 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 356 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1); 357 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 358 359 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]); 360 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 361 DC_HPD_CONNECT_INT_DELAY, 362 AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS); 363 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, 364 DC_HPD_DISCONNECT_INT_DELAY, 365 AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS); 366 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 367 368 dce_v10_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd); 369 dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); 370 amdgpu_irq_get(adev, &adev->hpd_irq, 371 amdgpu_connector->hpd.hpd); 372 } 373 drm_connector_list_iter_end(&iter); 374 } 375 376 /** 377 * dce_v10_0_hpd_fini - hpd tear down callback. 378 * 379 * @adev: amdgpu_device pointer 380 * 381 * Tear down the hpd pins used by the card (evergreen+). 382 * Disable the hpd interrupts. 383 */ 384 static void dce_v10_0_hpd_fini(struct amdgpu_device *adev) 385 { 386 struct drm_device *dev = adev_to_drm(adev); 387 struct drm_connector *connector; 388 struct drm_connector_list_iter iter; 389 u32 tmp; 390 391 drm_connector_list_iter_begin(dev, &iter); 392 drm_for_each_connector_iter(connector, &iter) { 393 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 394 395 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) 396 continue; 397 398 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); 399 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0); 400 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); 401 402 amdgpu_irq_put(adev, &adev->hpd_irq, 403 amdgpu_connector->hpd.hpd); 404 } 405 drm_connector_list_iter_end(&iter); 406 } 407 408 static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev) 409 { 410 return mmDC_GPIO_HPD_A; 411 } 412 413 static bool dce_v10_0_is_display_hung(struct amdgpu_device *adev) 414 { 415 u32 crtc_hung = 0; 416 u32 crtc_status[6]; 417 u32 i, j, tmp; 418 419 for (i = 0; i < adev->mode_info.num_crtc; i++) { 420 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 421 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) { 422 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 423 crtc_hung |= (1 << i); 424 } 425 } 426 427 for (j = 0; j < 10; j++) { 428 for (i = 0; i < adev->mode_info.num_crtc; i++) { 429 if (crtc_hung & (1 << i)) { 430 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]); 431 if (tmp != crtc_status[i]) 432 crtc_hung &= ~(1 << i); 433 } 434 } 435 if (crtc_hung == 0) 436 return false; 437 udelay(100); 438 } 439 440 return true; 441 } 442 443 static void dce_v10_0_set_vga_render_state(struct amdgpu_device *adev, 444 bool render) 445 { 446 u32 tmp; 447 448 /* Lockout access through VGA aperture*/ 449 tmp = RREG32(mmVGA_HDP_CONTROL); 450 if (render) 451 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0); 452 else 453 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); 454 WREG32(mmVGA_HDP_CONTROL, tmp); 455 456 /* disable VGA render */ 457 tmp = RREG32(mmVGA_RENDER_CONTROL); 458 if (render) 459 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1); 460 else 461 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 462 WREG32(mmVGA_RENDER_CONTROL, tmp); 463 } 464 465 static int dce_v10_0_get_num_crtc(struct amdgpu_device *adev) 466 { 467 int num_crtc = 0; 468 469 switch (adev->asic_type) { 470 case CHIP_FIJI: 471 case CHIP_TONGA: 472 num_crtc = 6; 473 break; 474 default: 475 num_crtc = 0; 476 } 477 return num_crtc; 478 } 479 480 void dce_v10_0_disable_dce(struct amdgpu_device *adev) 481 { 482 /*Disable VGA render and enabled crtc, if has DCE engine*/ 483 if (amdgpu_atombios_has_dce_engine_info(adev)) { 484 u32 tmp; 485 int crtc_enabled, i; 486 487 dce_v10_0_set_vga_render_state(adev, false); 488 489 /*Disable crtc*/ 490 for (i = 0; i < dce_v10_0_get_num_crtc(adev); i++) { 491 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]), 492 CRTC_CONTROL, CRTC_MASTER_EN); 493 if (crtc_enabled) { 494 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1); 495 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]); 496 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0); 497 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp); 498 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0); 499 } 500 } 501 } 502 } 503 504 static void dce_v10_0_program_fmt(struct drm_encoder *encoder) 505 { 506 struct drm_device *dev = encoder->dev; 507 struct amdgpu_device *adev = drm_to_adev(dev); 508 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 509 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 510 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 511 int bpc = 0; 512 u32 tmp = 0; 513 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE; 514 515 if (connector) { 516 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 517 bpc = amdgpu_connector_get_monitor_bpc(connector); 518 dither = amdgpu_connector->dither; 519 } 520 521 /* LVDS/eDP FMT is set up by atom */ 522 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 523 return; 524 525 /* not needed for analog */ 526 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) || 527 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2)) 528 return; 529 530 if (bpc == 0) 531 return; 532 533 switch (bpc) { 534 case 6: 535 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 536 /* XXX sort out optimal dither settings */ 537 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 538 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 539 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 540 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0); 541 } else { 542 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 543 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0); 544 } 545 break; 546 case 8: 547 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 548 /* XXX sort out optimal dither settings */ 549 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 550 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 551 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 552 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 553 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1); 554 } else { 555 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 556 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1); 557 } 558 break; 559 case 10: 560 if (dither == AMDGPU_FMT_DITHER_ENABLE) { 561 /* XXX sort out optimal dither settings */ 562 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1); 563 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1); 564 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1); 565 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1); 566 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2); 567 } else { 568 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1); 569 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2); 570 } 571 break; 572 default: 573 /* not needed */ 574 break; 575 } 576 577 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 578 } 579 580 581 /* display watermark setup */ 582 /** 583 * dce_v10_0_line_buffer_adjust - Set up the line buffer 584 * 585 * @adev: amdgpu_device pointer 586 * @amdgpu_crtc: the selected display controller 587 * @mode: the current display mode on the selected display 588 * controller 589 * 590 * Setup up the line buffer allocation for 591 * the selected display controller (CIK). 592 * Returns the line buffer size in pixels. 593 */ 594 static u32 dce_v10_0_line_buffer_adjust(struct amdgpu_device *adev, 595 struct amdgpu_crtc *amdgpu_crtc, 596 struct drm_display_mode *mode) 597 { 598 u32 tmp, buffer_alloc, i, mem_cfg; 599 u32 pipe_offset = amdgpu_crtc->crtc_id; 600 /* 601 * Line Buffer Setup 602 * There are 6 line buffers, one for each display controllers. 603 * There are 3 partitions per LB. Select the number of partitions 604 * to enable based on the display width. For display widths larger 605 * than 4096, you need use to use 2 display controllers and combine 606 * them using the stereo blender. 607 */ 608 if (amdgpu_crtc->base.enabled && mode) { 609 if (mode->crtc_hdisplay < 1920) { 610 mem_cfg = 1; 611 buffer_alloc = 2; 612 } else if (mode->crtc_hdisplay < 2560) { 613 mem_cfg = 2; 614 buffer_alloc = 2; 615 } else if (mode->crtc_hdisplay < 4096) { 616 mem_cfg = 0; 617 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 618 } else { 619 DRM_DEBUG_KMS("Mode too big for LB!\n"); 620 mem_cfg = 0; 621 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4; 622 } 623 } else { 624 mem_cfg = 1; 625 buffer_alloc = 0; 626 } 627 628 tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset); 629 tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg); 630 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp); 631 632 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 633 tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc); 634 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp); 635 636 for (i = 0; i < adev->usec_timeout; i++) { 637 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset); 638 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED)) 639 break; 640 udelay(1); 641 } 642 643 if (amdgpu_crtc->base.enabled && mode) { 644 switch (mem_cfg) { 645 case 0: 646 default: 647 return 4096 * 2; 648 case 1: 649 return 1920 * 2; 650 case 2: 651 return 2560 * 2; 652 } 653 } 654 655 /* controller not enabled, so no lb used */ 656 return 0; 657 } 658 659 /** 660 * cik_get_number_of_dram_channels - get the number of dram channels 661 * 662 * @adev: amdgpu_device pointer 663 * 664 * Look up the number of video ram channels (CIK). 665 * Used for display watermark bandwidth calculations 666 * Returns the number of dram channels 667 */ 668 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev) 669 { 670 u32 tmp = RREG32(mmMC_SHARED_CHMAP); 671 672 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) { 673 case 0: 674 default: 675 return 1; 676 case 1: 677 return 2; 678 case 2: 679 return 4; 680 case 3: 681 return 8; 682 case 4: 683 return 3; 684 case 5: 685 return 6; 686 case 6: 687 return 10; 688 case 7: 689 return 12; 690 case 8: 691 return 16; 692 } 693 } 694 695 struct dce10_wm_params { 696 u32 dram_channels; /* number of dram channels */ 697 u32 yclk; /* bandwidth per dram data pin in kHz */ 698 u32 sclk; /* engine clock in kHz */ 699 u32 disp_clk; /* display clock in kHz */ 700 u32 src_width; /* viewport width */ 701 u32 active_time; /* active display time in ns */ 702 u32 blank_time; /* blank time in ns */ 703 bool interlaced; /* mode is interlaced */ 704 fixed20_12 vsc; /* vertical scale ratio */ 705 u32 num_heads; /* number of active crtcs */ 706 u32 bytes_per_pixel; /* bytes per pixel display + overlay */ 707 u32 lb_size; /* line buffer allocated to pipe */ 708 u32 vtaps; /* vertical scaler taps */ 709 }; 710 711 /** 712 * dce_v10_0_dram_bandwidth - get the dram bandwidth 713 * 714 * @wm: watermark calculation data 715 * 716 * Calculate the raw dram bandwidth (CIK). 717 * Used for display watermark bandwidth calculations 718 * Returns the dram bandwidth in MBytes/s 719 */ 720 static u32 dce_v10_0_dram_bandwidth(struct dce10_wm_params *wm) 721 { 722 /* Calculate raw DRAM Bandwidth */ 723 fixed20_12 dram_efficiency; /* 0.7 */ 724 fixed20_12 yclk, dram_channels, bandwidth; 725 fixed20_12 a; 726 727 a.full = dfixed_const(1000); 728 yclk.full = dfixed_const(wm->yclk); 729 yclk.full = dfixed_div(yclk, a); 730 dram_channels.full = dfixed_const(wm->dram_channels * 4); 731 a.full = dfixed_const(10); 732 dram_efficiency.full = dfixed_const(7); 733 dram_efficiency.full = dfixed_div(dram_efficiency, a); 734 bandwidth.full = dfixed_mul(dram_channels, yclk); 735 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency); 736 737 return dfixed_trunc(bandwidth); 738 } 739 740 /** 741 * dce_v10_0_dram_bandwidth_for_display - get the dram bandwidth for display 742 * 743 * @wm: watermark calculation data 744 * 745 * Calculate the dram bandwidth used for display (CIK). 746 * Used for display watermark bandwidth calculations 747 * Returns the dram bandwidth for display in MBytes/s 748 */ 749 static u32 dce_v10_0_dram_bandwidth_for_display(struct dce10_wm_params *wm) 750 { 751 /* Calculate DRAM Bandwidth and the part allocated to display. */ 752 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */ 753 fixed20_12 yclk, dram_channels, bandwidth; 754 fixed20_12 a; 755 756 a.full = dfixed_const(1000); 757 yclk.full = dfixed_const(wm->yclk); 758 yclk.full = dfixed_div(yclk, a); 759 dram_channels.full = dfixed_const(wm->dram_channels * 4); 760 a.full = dfixed_const(10); 761 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */ 762 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a); 763 bandwidth.full = dfixed_mul(dram_channels, yclk); 764 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation); 765 766 return dfixed_trunc(bandwidth); 767 } 768 769 /** 770 * dce_v10_0_data_return_bandwidth - get the data return bandwidth 771 * 772 * @wm: watermark calculation data 773 * 774 * Calculate the data return bandwidth used for display (CIK). 775 * Used for display watermark bandwidth calculations 776 * Returns the data return bandwidth in MBytes/s 777 */ 778 static u32 dce_v10_0_data_return_bandwidth(struct dce10_wm_params *wm) 779 { 780 /* Calculate the display Data return Bandwidth */ 781 fixed20_12 return_efficiency; /* 0.8 */ 782 fixed20_12 sclk, bandwidth; 783 fixed20_12 a; 784 785 a.full = dfixed_const(1000); 786 sclk.full = dfixed_const(wm->sclk); 787 sclk.full = dfixed_div(sclk, a); 788 a.full = dfixed_const(10); 789 return_efficiency.full = dfixed_const(8); 790 return_efficiency.full = dfixed_div(return_efficiency, a); 791 a.full = dfixed_const(32); 792 bandwidth.full = dfixed_mul(a, sclk); 793 bandwidth.full = dfixed_mul(bandwidth, return_efficiency); 794 795 return dfixed_trunc(bandwidth); 796 } 797 798 /** 799 * dce_v10_0_dmif_request_bandwidth - get the dmif bandwidth 800 * 801 * @wm: watermark calculation data 802 * 803 * Calculate the dmif bandwidth used for display (CIK). 804 * Used for display watermark bandwidth calculations 805 * Returns the dmif bandwidth in MBytes/s 806 */ 807 static u32 dce_v10_0_dmif_request_bandwidth(struct dce10_wm_params *wm) 808 { 809 /* Calculate the DMIF Request Bandwidth */ 810 fixed20_12 disp_clk_request_efficiency; /* 0.8 */ 811 fixed20_12 disp_clk, bandwidth; 812 fixed20_12 a, b; 813 814 a.full = dfixed_const(1000); 815 disp_clk.full = dfixed_const(wm->disp_clk); 816 disp_clk.full = dfixed_div(disp_clk, a); 817 a.full = dfixed_const(32); 818 b.full = dfixed_mul(a, disp_clk); 819 820 a.full = dfixed_const(10); 821 disp_clk_request_efficiency.full = dfixed_const(8); 822 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a); 823 824 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency); 825 826 return dfixed_trunc(bandwidth); 827 } 828 829 /** 830 * dce_v10_0_available_bandwidth - get the min available bandwidth 831 * 832 * @wm: watermark calculation data 833 * 834 * Calculate the min available bandwidth used for display (CIK). 835 * Used for display watermark bandwidth calculations 836 * Returns the min available bandwidth in MBytes/s 837 */ 838 static u32 dce_v10_0_available_bandwidth(struct dce10_wm_params *wm) 839 { 840 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */ 841 u32 dram_bandwidth = dce_v10_0_dram_bandwidth(wm); 842 u32 data_return_bandwidth = dce_v10_0_data_return_bandwidth(wm); 843 u32 dmif_req_bandwidth = dce_v10_0_dmif_request_bandwidth(wm); 844 845 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth)); 846 } 847 848 /** 849 * dce_v10_0_average_bandwidth - get the average available bandwidth 850 * 851 * @wm: watermark calculation data 852 * 853 * Calculate the average available bandwidth used for display (CIK). 854 * Used for display watermark bandwidth calculations 855 * Returns the average available bandwidth in MBytes/s 856 */ 857 static u32 dce_v10_0_average_bandwidth(struct dce10_wm_params *wm) 858 { 859 /* Calculate the display mode Average Bandwidth 860 * DisplayMode should contain the source and destination dimensions, 861 * timing, etc. 862 */ 863 fixed20_12 bpp; 864 fixed20_12 line_time; 865 fixed20_12 src_width; 866 fixed20_12 bandwidth; 867 fixed20_12 a; 868 869 a.full = dfixed_const(1000); 870 line_time.full = dfixed_const(wm->active_time + wm->blank_time); 871 line_time.full = dfixed_div(line_time, a); 872 bpp.full = dfixed_const(wm->bytes_per_pixel); 873 src_width.full = dfixed_const(wm->src_width); 874 bandwidth.full = dfixed_mul(src_width, bpp); 875 bandwidth.full = dfixed_mul(bandwidth, wm->vsc); 876 bandwidth.full = dfixed_div(bandwidth, line_time); 877 878 return dfixed_trunc(bandwidth); 879 } 880 881 /** 882 * dce_v10_0_latency_watermark - get the latency watermark 883 * 884 * @wm: watermark calculation data 885 * 886 * Calculate the latency watermark (CIK). 887 * Used for display watermark bandwidth calculations 888 * Returns the latency watermark in ns 889 */ 890 static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm) 891 { 892 /* First calculate the latency in ns */ 893 u32 mc_latency = 2000; /* 2000 ns. */ 894 u32 available_bandwidth = dce_v10_0_available_bandwidth(wm); 895 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth; 896 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth; 897 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */ 898 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) + 899 (wm->num_heads * cursor_line_pair_return_time); 900 u32 latency = mc_latency + other_heads_data_return_time + dc_latency; 901 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time; 902 u32 tmp, dmif_size = 12288; 903 fixed20_12 a, b, c; 904 905 if (wm->num_heads == 0) 906 return 0; 907 908 a.full = dfixed_const(2); 909 b.full = dfixed_const(1); 910 if ((wm->vsc.full > a.full) || 911 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) || 912 (wm->vtaps >= 5) || 913 ((wm->vsc.full >= a.full) && wm->interlaced)) 914 max_src_lines_per_dst_line = 4; 915 else 916 max_src_lines_per_dst_line = 2; 917 918 a.full = dfixed_const(available_bandwidth); 919 b.full = dfixed_const(wm->num_heads); 920 a.full = dfixed_div(a, b); 921 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512); 922 tmp = min(dfixed_trunc(a), tmp); 923 924 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000); 925 926 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel); 927 b.full = dfixed_const(1000); 928 c.full = dfixed_const(lb_fill_bw); 929 b.full = dfixed_div(c, b); 930 a.full = dfixed_div(a, b); 931 line_fill_time = dfixed_trunc(a); 932 933 if (line_fill_time < wm->active_time) 934 return latency; 935 else 936 return latency + (line_fill_time - wm->active_time); 937 938 } 939 940 /** 941 * dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display - check 942 * average and available dram bandwidth 943 * 944 * @wm: watermark calculation data 945 * 946 * Check if the display average bandwidth fits in the display 947 * dram bandwidth (CIK). 948 * Used for display watermark bandwidth calculations 949 * Returns true if the display fits, false if not. 950 */ 951 static bool dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm) 952 { 953 if (dce_v10_0_average_bandwidth(wm) <= 954 (dce_v10_0_dram_bandwidth_for_display(wm) / wm->num_heads)) 955 return true; 956 else 957 return false; 958 } 959 960 /** 961 * dce_v10_0_average_bandwidth_vs_available_bandwidth - check 962 * average and available bandwidth 963 * 964 * @wm: watermark calculation data 965 * 966 * Check if the display average bandwidth fits in the display 967 * available bandwidth (CIK). 968 * Used for display watermark bandwidth calculations 969 * Returns true if the display fits, false if not. 970 */ 971 static bool dce_v10_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm) 972 { 973 if (dce_v10_0_average_bandwidth(wm) <= 974 (dce_v10_0_available_bandwidth(wm) / wm->num_heads)) 975 return true; 976 else 977 return false; 978 } 979 980 /** 981 * dce_v10_0_check_latency_hiding - check latency hiding 982 * 983 * @wm: watermark calculation data 984 * 985 * Check latency hiding (CIK). 986 * Used for display watermark bandwidth calculations 987 * Returns true if the display fits, false if not. 988 */ 989 static bool dce_v10_0_check_latency_hiding(struct dce10_wm_params *wm) 990 { 991 u32 lb_partitions = wm->lb_size / wm->src_width; 992 u32 line_time = wm->active_time + wm->blank_time; 993 u32 latency_tolerant_lines; 994 u32 latency_hiding; 995 fixed20_12 a; 996 997 a.full = dfixed_const(1); 998 if (wm->vsc.full > a.full) 999 latency_tolerant_lines = 1; 1000 else { 1001 if (lb_partitions <= (wm->vtaps + 1)) 1002 latency_tolerant_lines = 1; 1003 else 1004 latency_tolerant_lines = 2; 1005 } 1006 1007 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time); 1008 1009 if (dce_v10_0_latency_watermark(wm) <= latency_hiding) 1010 return true; 1011 else 1012 return false; 1013 } 1014 1015 /** 1016 * dce_v10_0_program_watermarks - program display watermarks 1017 * 1018 * @adev: amdgpu_device pointer 1019 * @amdgpu_crtc: the selected display controller 1020 * @lb_size: line buffer size 1021 * @num_heads: number of display controllers in use 1022 * 1023 * Calculate and program the display watermarks for the 1024 * selected display controller (CIK). 1025 */ 1026 static void dce_v10_0_program_watermarks(struct amdgpu_device *adev, 1027 struct amdgpu_crtc *amdgpu_crtc, 1028 u32 lb_size, u32 num_heads) 1029 { 1030 struct drm_display_mode *mode = &amdgpu_crtc->base.mode; 1031 struct dce10_wm_params wm_low, wm_high; 1032 u32 active_time; 1033 u32 line_time = 0; 1034 u32 latency_watermark_a = 0, latency_watermark_b = 0; 1035 u32 tmp, wm_mask, lb_vblank_lead_lines = 0; 1036 1037 if (amdgpu_crtc->base.enabled && num_heads && mode) { 1038 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000, 1039 (u32)mode->clock); 1040 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000, 1041 (u32)mode->clock); 1042 line_time = min_t(u32, line_time, 65535); 1043 1044 /* watermark for high clocks */ 1045 if (adev->pm.dpm_enabled) { 1046 wm_high.yclk = 1047 amdgpu_dpm_get_mclk(adev, false) * 10; 1048 wm_high.sclk = 1049 amdgpu_dpm_get_sclk(adev, false) * 10; 1050 } else { 1051 wm_high.yclk = adev->pm.current_mclk * 10; 1052 wm_high.sclk = adev->pm.current_sclk * 10; 1053 } 1054 1055 wm_high.disp_clk = mode->clock; 1056 wm_high.src_width = mode->crtc_hdisplay; 1057 wm_high.active_time = active_time; 1058 wm_high.blank_time = line_time - wm_high.active_time; 1059 wm_high.interlaced = false; 1060 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1061 wm_high.interlaced = true; 1062 wm_high.vsc = amdgpu_crtc->vsc; 1063 wm_high.vtaps = 1; 1064 if (amdgpu_crtc->rmx_type != RMX_OFF) 1065 wm_high.vtaps = 2; 1066 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1067 wm_high.lb_size = lb_size; 1068 wm_high.dram_channels = cik_get_number_of_dram_channels(adev); 1069 wm_high.num_heads = num_heads; 1070 1071 /* set for high clocks */ 1072 latency_watermark_a = min_t(u32, dce_v10_0_latency_watermark(&wm_high), 65535); 1073 1074 /* possibly force display priority to high */ 1075 /* should really do this at mode validation time... */ 1076 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) || 1077 !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_high) || 1078 !dce_v10_0_check_latency_hiding(&wm_high) || 1079 (adev->mode_info.disp_priority == 2)) { 1080 DRM_DEBUG_KMS("force priority to high\n"); 1081 } 1082 1083 /* watermark for low clocks */ 1084 if (adev->pm.dpm_enabled) { 1085 wm_low.yclk = 1086 amdgpu_dpm_get_mclk(adev, true) * 10; 1087 wm_low.sclk = 1088 amdgpu_dpm_get_sclk(adev, true) * 10; 1089 } else { 1090 wm_low.yclk = adev->pm.current_mclk * 10; 1091 wm_low.sclk = adev->pm.current_sclk * 10; 1092 } 1093 1094 wm_low.disp_clk = mode->clock; 1095 wm_low.src_width = mode->crtc_hdisplay; 1096 wm_low.active_time = active_time; 1097 wm_low.blank_time = line_time - wm_low.active_time; 1098 wm_low.interlaced = false; 1099 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1100 wm_low.interlaced = true; 1101 wm_low.vsc = amdgpu_crtc->vsc; 1102 wm_low.vtaps = 1; 1103 if (amdgpu_crtc->rmx_type != RMX_OFF) 1104 wm_low.vtaps = 2; 1105 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */ 1106 wm_low.lb_size = lb_size; 1107 wm_low.dram_channels = cik_get_number_of_dram_channels(adev); 1108 wm_low.num_heads = num_heads; 1109 1110 /* set for low clocks */ 1111 latency_watermark_b = min_t(u32, dce_v10_0_latency_watermark(&wm_low), 65535); 1112 1113 /* possibly force display priority to high */ 1114 /* should really do this at mode validation time... */ 1115 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) || 1116 !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_low) || 1117 !dce_v10_0_check_latency_hiding(&wm_low) || 1118 (adev->mode_info.disp_priority == 2)) { 1119 DRM_DEBUG_KMS("force priority to high\n"); 1120 } 1121 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); 1122 } 1123 1124 /* select wm A */ 1125 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset); 1126 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1); 1127 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1128 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1129 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a); 1130 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1131 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1132 /* select wm B */ 1133 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2); 1134 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1135 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset); 1136 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b); 1137 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time); 1138 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp); 1139 /* restore original selection */ 1140 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask); 1141 1142 /* save values for DPM */ 1143 amdgpu_crtc->line_time = line_time; 1144 1145 /* Save number of lines the linebuffer leads before the scanout */ 1146 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; 1147 } 1148 1149 /** 1150 * dce_v10_0_bandwidth_update - program display watermarks 1151 * 1152 * @adev: amdgpu_device pointer 1153 * 1154 * Calculate and program the display watermarks and line 1155 * buffer allocation (CIK). 1156 */ 1157 static void dce_v10_0_bandwidth_update(struct amdgpu_device *adev) 1158 { 1159 struct drm_display_mode *mode = NULL; 1160 u32 num_heads = 0, lb_size; 1161 int i; 1162 1163 amdgpu_display_update_priority(adev); 1164 1165 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1166 if (adev->mode_info.crtcs[i]->base.enabled) 1167 num_heads++; 1168 } 1169 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1170 mode = &adev->mode_info.crtcs[i]->base.mode; 1171 lb_size = dce_v10_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode); 1172 dce_v10_0_program_watermarks(adev, adev->mode_info.crtcs[i], 1173 lb_size, num_heads); 1174 } 1175 } 1176 1177 static void dce_v10_0_audio_get_connected_pins(struct amdgpu_device *adev) 1178 { 1179 int i; 1180 u32 offset, tmp; 1181 1182 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1183 offset = adev->mode_info.audio.pin[i].offset; 1184 tmp = RREG32_AUDIO_ENDPT(offset, 1185 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT); 1186 if (((tmp & 1187 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >> 1188 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1) 1189 adev->mode_info.audio.pin[i].connected = false; 1190 else 1191 adev->mode_info.audio.pin[i].connected = true; 1192 } 1193 } 1194 1195 static struct amdgpu_audio_pin *dce_v10_0_audio_get_pin(struct amdgpu_device *adev) 1196 { 1197 int i; 1198 1199 dce_v10_0_audio_get_connected_pins(adev); 1200 1201 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1202 if (adev->mode_info.audio.pin[i].connected) 1203 return &adev->mode_info.audio.pin[i]; 1204 } 1205 DRM_ERROR("No connected audio pins found!\n"); 1206 return NULL; 1207 } 1208 1209 static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder) 1210 { 1211 struct amdgpu_device *adev = drm_to_adev(encoder->dev); 1212 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1213 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1214 u32 tmp; 1215 1216 if (!dig || !dig->afmt || !dig->afmt->pin) 1217 return; 1218 1219 tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset); 1220 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id); 1221 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp); 1222 } 1223 1224 static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder, 1225 struct drm_display_mode *mode) 1226 { 1227 struct drm_device *dev = encoder->dev; 1228 struct amdgpu_device *adev = drm_to_adev(dev); 1229 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1230 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1231 struct drm_connector *connector; 1232 struct drm_connector_list_iter iter; 1233 struct amdgpu_connector *amdgpu_connector = NULL; 1234 u32 tmp; 1235 int interlace = 0; 1236 1237 if (!dig || !dig->afmt || !dig->afmt->pin) 1238 return; 1239 1240 drm_connector_list_iter_begin(dev, &iter); 1241 drm_for_each_connector_iter(connector, &iter) { 1242 if (connector->encoder == encoder) { 1243 amdgpu_connector = to_amdgpu_connector(connector); 1244 break; 1245 } 1246 } 1247 drm_connector_list_iter_end(&iter); 1248 1249 if (!amdgpu_connector) { 1250 DRM_ERROR("Couldn't find encoder's connector\n"); 1251 return; 1252 } 1253 1254 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 1255 interlace = 1; 1256 if (connector->latency_present[interlace]) { 1257 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1258 VIDEO_LIPSYNC, connector->video_latency[interlace]); 1259 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1260 AUDIO_LIPSYNC, connector->audio_latency[interlace]); 1261 } else { 1262 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1263 VIDEO_LIPSYNC, 0); 1264 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 1265 AUDIO_LIPSYNC, 0); 1266 } 1267 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1268 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); 1269 } 1270 1271 static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder) 1272 { 1273 struct drm_device *dev = encoder->dev; 1274 struct amdgpu_device *adev = drm_to_adev(dev); 1275 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1276 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1277 struct drm_connector *connector; 1278 struct drm_connector_list_iter iter; 1279 struct amdgpu_connector *amdgpu_connector = NULL; 1280 u32 tmp; 1281 u8 *sadb = NULL; 1282 int sad_count; 1283 1284 if (!dig || !dig->afmt || !dig->afmt->pin) 1285 return; 1286 1287 drm_connector_list_iter_begin(dev, &iter); 1288 drm_for_each_connector_iter(connector, &iter) { 1289 if (connector->encoder == encoder) { 1290 amdgpu_connector = to_amdgpu_connector(connector); 1291 break; 1292 } 1293 } 1294 drm_connector_list_iter_end(&iter); 1295 1296 if (!amdgpu_connector) { 1297 DRM_ERROR("Couldn't find encoder's connector\n"); 1298 return; 1299 } 1300 1301 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector->edid, &sadb); 1302 if (sad_count < 0) { 1303 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); 1304 sad_count = 0; 1305 } 1306 1307 /* program the speaker allocation */ 1308 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1309 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); 1310 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1311 DP_CONNECTION, 0); 1312 /* set HDMI mode */ 1313 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1314 HDMI_CONNECTION, 1); 1315 if (sad_count) 1316 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1317 SPEAKER_ALLOCATION, sadb[0]); 1318 else 1319 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 1320 SPEAKER_ALLOCATION, 5); /* stereo */ 1321 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, 1322 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); 1323 1324 kfree(sadb); 1325 } 1326 1327 static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder) 1328 { 1329 struct drm_device *dev = encoder->dev; 1330 struct amdgpu_device *adev = drm_to_adev(dev); 1331 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1332 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1333 struct drm_connector *connector; 1334 struct drm_connector_list_iter iter; 1335 struct amdgpu_connector *amdgpu_connector = NULL; 1336 struct cea_sad *sads; 1337 int i, sad_count; 1338 1339 static const u16 eld_reg_to_type[][2] = { 1340 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM }, 1341 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 }, 1342 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 }, 1343 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 }, 1344 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 }, 1345 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC }, 1346 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS }, 1347 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC }, 1348 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 }, 1349 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD }, 1350 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP }, 1351 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, 1352 }; 1353 1354 if (!dig || !dig->afmt || !dig->afmt->pin) 1355 return; 1356 1357 drm_connector_list_iter_begin(dev, &iter); 1358 drm_for_each_connector_iter(connector, &iter) { 1359 if (connector->encoder == encoder) { 1360 amdgpu_connector = to_amdgpu_connector(connector); 1361 break; 1362 } 1363 } 1364 drm_connector_list_iter_end(&iter); 1365 1366 if (!amdgpu_connector) { 1367 DRM_ERROR("Couldn't find encoder's connector\n"); 1368 return; 1369 } 1370 1371 sad_count = drm_edid_to_sad(amdgpu_connector->edid, &sads); 1372 if (sad_count < 0) 1373 DRM_ERROR("Couldn't read SADs: %d\n", sad_count); 1374 if (sad_count <= 0) 1375 return; 1376 BUG_ON(!sads); 1377 1378 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { 1379 u32 tmp = 0; 1380 u8 stereo_freqs = 0; 1381 int max_channels = -1; 1382 int j; 1383 1384 for (j = 0; j < sad_count; j++) { 1385 struct cea_sad *sad = &sads[j]; 1386 1387 if (sad->format == eld_reg_to_type[i][1]) { 1388 if (sad->channels > max_channels) { 1389 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1390 MAX_CHANNELS, sad->channels); 1391 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1392 DESCRIPTOR_BYTE_2, sad->byte2); 1393 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1394 SUPPORTED_FREQUENCIES, sad->freq); 1395 max_channels = sad->channels; 1396 } 1397 1398 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM) 1399 stereo_freqs |= sad->freq; 1400 else 1401 break; 1402 } 1403 } 1404 1405 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 1406 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs); 1407 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp); 1408 } 1409 1410 kfree(sads); 1411 } 1412 1413 static void dce_v10_0_audio_enable(struct amdgpu_device *adev, 1414 struct amdgpu_audio_pin *pin, 1415 bool enable) 1416 { 1417 if (!pin) 1418 return; 1419 1420 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 1421 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0); 1422 } 1423 1424 static const u32 pin_offsets[] = { 1425 AUD0_REGISTER_OFFSET, 1426 AUD1_REGISTER_OFFSET, 1427 AUD2_REGISTER_OFFSET, 1428 AUD3_REGISTER_OFFSET, 1429 AUD4_REGISTER_OFFSET, 1430 AUD5_REGISTER_OFFSET, 1431 AUD6_REGISTER_OFFSET, 1432 }; 1433 1434 static int dce_v10_0_audio_init(struct amdgpu_device *adev) 1435 { 1436 int i; 1437 1438 if (!amdgpu_audio) 1439 return 0; 1440 1441 adev->mode_info.audio.enabled = true; 1442 1443 adev->mode_info.audio.num_pins = 7; 1444 1445 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1446 adev->mode_info.audio.pin[i].channels = -1; 1447 adev->mode_info.audio.pin[i].rate = -1; 1448 adev->mode_info.audio.pin[i].bits_per_sample = -1; 1449 adev->mode_info.audio.pin[i].status_bits = 0; 1450 adev->mode_info.audio.pin[i].category_code = 0; 1451 adev->mode_info.audio.pin[i].connected = false; 1452 adev->mode_info.audio.pin[i].offset = pin_offsets[i]; 1453 adev->mode_info.audio.pin[i].id = i; 1454 /* disable audio. it will be set up later */ 1455 /* XXX remove once we switch to ip funcs */ 1456 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 1457 } 1458 1459 return 0; 1460 } 1461 1462 static void dce_v10_0_audio_fini(struct amdgpu_device *adev) 1463 { 1464 if (!amdgpu_audio) 1465 return; 1466 1467 if (!adev->mode_info.audio.enabled) 1468 return; 1469 1470 adev->mode_info.audio.enabled = false; 1471 } 1472 1473 /* 1474 * update the N and CTS parameters for a given pixel clock rate 1475 */ 1476 static void dce_v10_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock) 1477 { 1478 struct drm_device *dev = encoder->dev; 1479 struct amdgpu_device *adev = drm_to_adev(dev); 1480 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock); 1481 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1482 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1483 u32 tmp; 1484 1485 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset); 1486 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz); 1487 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp); 1488 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset); 1489 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz); 1490 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp); 1491 1492 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset); 1493 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz); 1494 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp); 1495 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset); 1496 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz); 1497 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp); 1498 1499 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset); 1500 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz); 1501 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp); 1502 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset); 1503 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz); 1504 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp); 1505 1506 } 1507 1508 /* 1509 * build a HDMI Video Info Frame 1510 */ 1511 static void dce_v10_0_afmt_update_avi_infoframe(struct drm_encoder *encoder, 1512 void *buffer, size_t size) 1513 { 1514 struct drm_device *dev = encoder->dev; 1515 struct amdgpu_device *adev = drm_to_adev(dev); 1516 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1517 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1518 uint8_t *frame = buffer + 3; 1519 uint8_t *header = buffer; 1520 1521 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset, 1522 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); 1523 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset, 1524 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24)); 1525 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset, 1526 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24)); 1527 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset, 1528 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24)); 1529 } 1530 1531 static void dce_v10_0_audio_set_dto(struct drm_encoder *encoder, u32 clock) 1532 { 1533 struct drm_device *dev = encoder->dev; 1534 struct amdgpu_device *adev = drm_to_adev(dev); 1535 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1536 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1537 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1538 u32 dto_phase = 24 * 1000; 1539 u32 dto_modulo = clock; 1540 u32 tmp; 1541 1542 if (!dig || !dig->afmt) 1543 return; 1544 1545 /* XXX two dtos; generally use dto0 for hdmi */ 1546 /* Express [24MHz / target pixel clock] as an exact rational 1547 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE 1548 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator 1549 */ 1550 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE); 1551 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL, 1552 amdgpu_crtc->crtc_id); 1553 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp); 1554 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase); 1555 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo); 1556 } 1557 1558 /* 1559 * update the info frames with the data from the current display mode 1560 */ 1561 static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder, 1562 struct drm_display_mode *mode) 1563 { 1564 struct drm_device *dev = encoder->dev; 1565 struct amdgpu_device *adev = drm_to_adev(dev); 1566 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1567 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1568 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 1569 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; 1570 struct hdmi_avi_infoframe frame; 1571 ssize_t err; 1572 u32 tmp; 1573 int bpc = 8; 1574 1575 if (!dig || !dig->afmt) 1576 return; 1577 1578 /* Silent, r600_hdmi_enable will raise WARN for us */ 1579 if (!dig->afmt->enabled) 1580 return; 1581 1582 /* hdmi deep color mode general control packets setup, if bpc > 8 */ 1583 if (encoder->crtc) { 1584 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc); 1585 bpc = amdgpu_crtc->bpc; 1586 } 1587 1588 /* disable audio prior to setting up hw */ 1589 dig->afmt->pin = dce_v10_0_audio_get_pin(adev); 1590 dce_v10_0_audio_enable(adev, dig->afmt->pin, false); 1591 1592 dce_v10_0_audio_set_dto(encoder, mode->clock); 1593 1594 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1595 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); 1596 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */ 1597 1598 WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000); 1599 1600 tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset); 1601 switch (bpc) { 1602 case 0: 1603 case 6: 1604 case 8: 1605 case 16: 1606 default: 1607 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0); 1608 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0); 1609 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n", 1610 connector->name, bpc); 1611 break; 1612 case 10: 1613 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1614 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1); 1615 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n", 1616 connector->name); 1617 break; 1618 case 12: 1619 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1); 1620 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2); 1621 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n", 1622 connector->name); 1623 break; 1624 } 1625 WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp); 1626 1627 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset); 1628 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */ 1629 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */ 1630 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */ 1631 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); 1632 1633 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1634 /* enable audio info frames (frames won't be set until audio is enabled) */ 1635 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1); 1636 /* required for audio info values to be updated */ 1637 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1); 1638 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1639 1640 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset); 1641 /* required for audio info values to be updated */ 1642 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1); 1643 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1644 1645 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1646 /* anything other than 0 */ 1647 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2); 1648 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1649 1650 WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */ 1651 1652 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1653 /* set the default audio delay */ 1654 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1); 1655 /* should be suffient for all audio modes and small enough for all hblanks */ 1656 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3); 1657 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1658 1659 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1660 /* allow 60958 channel status fields to be updated */ 1661 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1); 1662 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1663 1664 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset); 1665 if (bpc > 8) 1666 /* clear SW CTS value */ 1667 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0); 1668 else 1669 /* select SW CTS value */ 1670 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1); 1671 /* allow hw to sent ACR packets when required */ 1672 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1); 1673 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp); 1674 1675 dce_v10_0_afmt_update_ACR(encoder, mode->clock); 1676 1677 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset); 1678 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1); 1679 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp); 1680 1681 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset); 1682 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2); 1683 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp); 1684 1685 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset); 1686 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3); 1687 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4); 1688 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5); 1689 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6); 1690 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7); 1691 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8); 1692 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp); 1693 1694 dce_v10_0_audio_write_speaker_allocation(encoder); 1695 1696 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, 1697 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT)); 1698 1699 dce_v10_0_afmt_audio_select_pin(encoder); 1700 dce_v10_0_audio_write_sad_regs(encoder); 1701 dce_v10_0_audio_write_latency_fields(encoder, mode); 1702 1703 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode); 1704 if (err < 0) { 1705 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err); 1706 return; 1707 } 1708 1709 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); 1710 if (err < 0) { 1711 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err); 1712 return; 1713 } 1714 1715 dce_v10_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer)); 1716 1717 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset); 1718 /* enable AVI info frames */ 1719 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1); 1720 /* required for audio info values to be updated */ 1721 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1); 1722 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp); 1723 1724 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset); 1725 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2); 1726 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp); 1727 1728 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset); 1729 /* send audio packets */ 1730 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1); 1731 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp); 1732 1733 WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF); 1734 WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF); 1735 WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001); 1736 WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001); 1737 1738 /* enable audio after to setting up hw */ 1739 dce_v10_0_audio_enable(adev, dig->afmt->pin, true); 1740 } 1741 1742 static void dce_v10_0_afmt_enable(struct drm_encoder *encoder, bool enable) 1743 { 1744 struct drm_device *dev = encoder->dev; 1745 struct amdgpu_device *adev = drm_to_adev(dev); 1746 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 1747 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 1748 1749 if (!dig || !dig->afmt) 1750 return; 1751 1752 /* Silent, r600_hdmi_enable will raise WARN for us */ 1753 if (enable && dig->afmt->enabled) 1754 return; 1755 if (!enable && !dig->afmt->enabled) 1756 return; 1757 1758 if (!enable && dig->afmt->pin) { 1759 dce_v10_0_audio_enable(adev, dig->afmt->pin, false); 1760 dig->afmt->pin = NULL; 1761 } 1762 1763 dig->afmt->enabled = enable; 1764 1765 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n", 1766 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id); 1767 } 1768 1769 static int dce_v10_0_afmt_init(struct amdgpu_device *adev) 1770 { 1771 int i; 1772 1773 for (i = 0; i < adev->mode_info.num_dig; i++) 1774 adev->mode_info.afmt[i] = NULL; 1775 1776 /* DCE10 has audio blocks tied to DIG encoders */ 1777 for (i = 0; i < adev->mode_info.num_dig; i++) { 1778 adev->mode_info.afmt[i] = kzalloc_obj(struct amdgpu_afmt, 1779 GFP_KERNEL); 1780 if (adev->mode_info.afmt[i]) { 1781 adev->mode_info.afmt[i]->offset = dig_offsets[i]; 1782 adev->mode_info.afmt[i]->id = i; 1783 } else { 1784 int j; 1785 for (j = 0; j < i; j++) { 1786 kfree(adev->mode_info.afmt[j]); 1787 adev->mode_info.afmt[j] = NULL; 1788 } 1789 return -ENOMEM; 1790 } 1791 } 1792 return 0; 1793 } 1794 1795 static void dce_v10_0_afmt_fini(struct amdgpu_device *adev) 1796 { 1797 int i; 1798 1799 for (i = 0; i < adev->mode_info.num_dig; i++) { 1800 kfree(adev->mode_info.afmt[i]); 1801 adev->mode_info.afmt[i] = NULL; 1802 } 1803 } 1804 1805 static const u32 vga_control_regs[6] = { 1806 mmD1VGA_CONTROL, 1807 mmD2VGA_CONTROL, 1808 mmD3VGA_CONTROL, 1809 mmD4VGA_CONTROL, 1810 mmD5VGA_CONTROL, 1811 mmD6VGA_CONTROL, 1812 }; 1813 1814 static void dce_v10_0_vga_enable(struct drm_crtc *crtc, bool enable) 1815 { 1816 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1817 struct drm_device *dev = crtc->dev; 1818 struct amdgpu_device *adev = drm_to_adev(dev); 1819 u32 vga_control; 1820 1821 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1; 1822 if (enable) 1823 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1); 1824 else 1825 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control); 1826 } 1827 1828 static void dce_v10_0_grph_enable(struct drm_crtc *crtc, bool enable) 1829 { 1830 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1831 struct drm_device *dev = crtc->dev; 1832 struct amdgpu_device *adev = drm_to_adev(dev); 1833 1834 if (enable) 1835 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1); 1836 else 1837 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0); 1838 } 1839 1840 static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc, 1841 struct drm_framebuffer *fb, 1842 int x, int y) 1843 { 1844 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1845 struct drm_device *dev = crtc->dev; 1846 struct amdgpu_device *adev = drm_to_adev(dev); 1847 struct drm_framebuffer *target_fb; 1848 struct drm_gem_object *obj; 1849 struct amdgpu_bo *abo; 1850 uint64_t fb_location, tiling_flags; 1851 uint32_t fb_format, fb_pitch_pixels; 1852 u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE); 1853 u32 pipe_config; 1854 u32 tmp, viewport_w, viewport_h; 1855 int r; 1856 bool bypass_lut = false; 1857 1858 /* no fb bound */ 1859 if (!crtc->primary->fb) { 1860 DRM_DEBUG_KMS("No FB bound\n"); 1861 return 0; 1862 } 1863 1864 target_fb = crtc->primary->fb; 1865 1866 /* If atomic, assume fb object is pinned & idle & fenced and 1867 * just update base pointers 1868 */ 1869 obj = target_fb->obj[0]; 1870 abo = gem_to_amdgpu_bo(obj); 1871 r = amdgpu_bo_reserve(abo, false); 1872 if (unlikely(r != 0)) 1873 return r; 1874 1875 abo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS; 1876 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM); 1877 if (unlikely(r != 0)) { 1878 amdgpu_bo_unreserve(abo); 1879 return -EINVAL; 1880 } 1881 fb_location = amdgpu_bo_gpu_offset(abo); 1882 1883 amdgpu_bo_get_tiling_flags(abo, &tiling_flags); 1884 amdgpu_bo_unreserve(abo); 1885 1886 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG); 1887 1888 switch (target_fb->format->format) { 1889 case DRM_FORMAT_C8: 1890 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0); 1891 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1892 break; 1893 case DRM_FORMAT_XRGB4444: 1894 case DRM_FORMAT_ARGB4444: 1895 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1896 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2); 1897 #ifdef __BIG_ENDIAN 1898 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1899 ENDIAN_8IN16); 1900 #endif 1901 break; 1902 case DRM_FORMAT_XRGB1555: 1903 case DRM_FORMAT_ARGB1555: 1904 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1905 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1906 #ifdef __BIG_ENDIAN 1907 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1908 ENDIAN_8IN16); 1909 #endif 1910 break; 1911 case DRM_FORMAT_BGRX5551: 1912 case DRM_FORMAT_BGRA5551: 1913 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1914 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5); 1915 #ifdef __BIG_ENDIAN 1916 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1917 ENDIAN_8IN16); 1918 #endif 1919 break; 1920 case DRM_FORMAT_RGB565: 1921 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1); 1922 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 1923 #ifdef __BIG_ENDIAN 1924 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1925 ENDIAN_8IN16); 1926 #endif 1927 break; 1928 case DRM_FORMAT_XRGB8888: 1929 case DRM_FORMAT_ARGB8888: 1930 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1931 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1932 #ifdef __BIG_ENDIAN 1933 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1934 ENDIAN_8IN32); 1935 #endif 1936 break; 1937 case DRM_FORMAT_XRGB2101010: 1938 case DRM_FORMAT_ARGB2101010: 1939 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1940 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1); 1941 #ifdef __BIG_ENDIAN 1942 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1943 ENDIAN_8IN32); 1944 #endif 1945 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 1946 bypass_lut = true; 1947 break; 1948 case DRM_FORMAT_BGRX1010102: 1949 case DRM_FORMAT_BGRA1010102: 1950 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1951 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4); 1952 #ifdef __BIG_ENDIAN 1953 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1954 ENDIAN_8IN32); 1955 #endif 1956 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 1957 bypass_lut = true; 1958 break; 1959 case DRM_FORMAT_XBGR8888: 1960 case DRM_FORMAT_ABGR8888: 1961 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2); 1962 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0); 1963 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2); 1964 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2); 1965 #ifdef __BIG_ENDIAN 1966 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, 1967 ENDIAN_8IN32); 1968 #endif 1969 break; 1970 default: 1971 DRM_ERROR("Unsupported screen format %p4cc\n", 1972 &target_fb->format->format); 1973 return -EINVAL; 1974 } 1975 1976 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) { 1977 unsigned bankw, bankh, mtaspect, tile_split, num_banks; 1978 1979 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH); 1980 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT); 1981 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT); 1982 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT); 1983 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS); 1984 1985 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks); 1986 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 1987 ARRAY_2D_TILED_THIN1); 1988 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT, 1989 tile_split); 1990 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw); 1991 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh); 1992 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT, 1993 mtaspect); 1994 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE, 1995 ADDR_SURF_MICRO_TILING_DISPLAY); 1996 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) { 1997 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE, 1998 ARRAY_1D_TILED_THIN1); 1999 } 2000 2001 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG, 2002 pipe_config); 2003 2004 dce_v10_0_vga_enable(crtc, false); 2005 2006 /* Make sure surface address is updated at vertical blank rather than 2007 * horizontal blank 2008 */ 2009 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset); 2010 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL, 2011 GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0); 2012 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2013 2014 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2015 upper_32_bits(fb_location)); 2016 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2017 upper_32_bits(fb_location)); 2018 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2019 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK); 2020 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2021 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK); 2022 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); 2023 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap); 2024 2025 /* 2026 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT 2027 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to 2028 * retain the full precision throughout the pipeline. 2029 */ 2030 tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset); 2031 if (bypass_lut) 2032 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1); 2033 else 2034 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0); 2035 WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp); 2036 2037 if (bypass_lut) 2038 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 2039 2040 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0); 2041 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0); 2042 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0); 2043 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0); 2044 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width); 2045 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height); 2046 2047 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0]; 2048 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels); 2049 2050 dce_v10_0_grph_enable(crtc, true); 2051 2052 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset, 2053 target_fb->height); 2054 2055 x &= ~3; 2056 y &= ~1; 2057 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset, 2058 (x << 16) | y); 2059 viewport_w = crtc->mode.hdisplay; 2060 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 2061 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset, 2062 (viewport_w << 16) | viewport_h); 2063 2064 /* set pageflip to happen anywhere in vblank interval */ 2065 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0); 2066 2067 if (fb && fb != crtc->primary->fb) { 2068 abo = gem_to_amdgpu_bo(fb->obj[0]); 2069 r = amdgpu_bo_reserve(abo, true); 2070 if (unlikely(r != 0)) 2071 return r; 2072 amdgpu_bo_unpin(abo); 2073 amdgpu_bo_unreserve(abo); 2074 } 2075 2076 /* Bytes per pixel may have changed */ 2077 dce_v10_0_bandwidth_update(adev); 2078 2079 return 0; 2080 } 2081 2082 static void dce_v10_0_set_interleave(struct drm_crtc *crtc, 2083 struct drm_display_mode *mode) 2084 { 2085 struct drm_device *dev = crtc->dev; 2086 struct amdgpu_device *adev = drm_to_adev(dev); 2087 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2088 u32 tmp; 2089 2090 tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset); 2091 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 2092 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1); 2093 else 2094 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0); 2095 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp); 2096 } 2097 2098 static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc) 2099 { 2100 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2101 struct drm_device *dev = crtc->dev; 2102 struct amdgpu_device *adev = drm_to_adev(dev); 2103 u16 *r, *g, *b; 2104 int i; 2105 u32 tmp; 2106 2107 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id); 2108 2109 tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2110 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0); 2111 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0); 2112 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2113 2114 tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset); 2115 tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1); 2116 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2117 2118 tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset); 2119 tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1); 2120 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2121 2122 tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2123 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0); 2124 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0); 2125 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2126 2127 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0); 2128 2129 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0); 2130 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0); 2131 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0); 2132 2133 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff); 2134 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff); 2135 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff); 2136 2137 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0); 2138 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007); 2139 2140 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0); 2141 r = crtc->gamma_store; 2142 g = r + crtc->gamma_size; 2143 b = g + crtc->gamma_size; 2144 for (i = 0; i < 256; i++) { 2145 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset, 2146 ((*r++ & 0xffc0) << 14) | 2147 ((*g++ & 0xffc0) << 4) | 2148 (*b++ >> 6)); 2149 } 2150 2151 tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2152 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0); 2153 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0); 2154 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0); 2155 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2156 2157 tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset); 2158 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0); 2159 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0); 2160 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2161 2162 tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset); 2163 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0); 2164 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0); 2165 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2166 2167 tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset); 2168 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0); 2169 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0); 2170 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2171 2172 /* XXX match this to the depth of the crtc fmt block, move to modeset? */ 2173 WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0); 2174 /* XXX this only needs to be programmed once per crtc at startup, 2175 * not sure where the best place for it is 2176 */ 2177 tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset); 2178 tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1); 2179 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2180 } 2181 2182 static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder) 2183 { 2184 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 2185 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 2186 2187 switch (amdgpu_encoder->encoder_id) { 2188 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 2189 if (dig->linkb) 2190 return 1; 2191 else 2192 return 0; 2193 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 2194 if (dig->linkb) 2195 return 3; 2196 else 2197 return 2; 2198 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 2199 if (dig->linkb) 2200 return 5; 2201 else 2202 return 4; 2203 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 2204 return 6; 2205 default: 2206 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id); 2207 return 0; 2208 } 2209 } 2210 2211 /** 2212 * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc. 2213 * 2214 * @crtc: drm crtc 2215 * 2216 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors 2217 * a single PPLL can be used for all DP crtcs/encoders. For non-DP 2218 * monitors a dedicated PPLL must be used. If a particular board has 2219 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming 2220 * as there is no need to program the PLL itself. If we are not able to 2221 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to 2222 * avoid messing up an existing monitor. 2223 * 2224 * Asic specific PLL information 2225 * 2226 * DCE 10.x 2227 * Tonga 2228 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) 2229 * CI 2230 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 2231 * 2232 */ 2233 static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc) 2234 { 2235 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2236 struct drm_device *dev = crtc->dev; 2237 struct amdgpu_device *adev = drm_to_adev(dev); 2238 u32 pll_in_use; 2239 int pll; 2240 2241 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) { 2242 if (adev->clock.dp_extclk) 2243 /* skip PPLL programming if using ext clock */ 2244 return ATOM_PPLL_INVALID; 2245 else { 2246 /* use the same PPLL for all DP monitors */ 2247 pll = amdgpu_pll_get_shared_dp_ppll(crtc); 2248 if (pll != ATOM_PPLL_INVALID) 2249 return pll; 2250 } 2251 } else { 2252 /* use the same PPLL for all monitors with the same clock */ 2253 pll = amdgpu_pll_get_shared_nondp_ppll(crtc); 2254 if (pll != ATOM_PPLL_INVALID) 2255 return pll; 2256 } 2257 2258 /* DCE10 has PPLL0, PPLL1, and PPLL2 */ 2259 pll_in_use = amdgpu_pll_get_use_mask(crtc); 2260 if (!(pll_in_use & (1 << ATOM_PPLL2))) 2261 return ATOM_PPLL2; 2262 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2263 return ATOM_PPLL1; 2264 if (!(pll_in_use & (1 << ATOM_PPLL0))) 2265 return ATOM_PPLL0; 2266 DRM_ERROR("unable to allocate a PPLL\n"); 2267 return ATOM_PPLL_INVALID; 2268 } 2269 2270 static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock) 2271 { 2272 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2273 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2274 uint32_t cur_lock; 2275 2276 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset); 2277 if (lock) 2278 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1); 2279 else 2280 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0); 2281 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock); 2282 } 2283 2284 static void dce_v10_0_hide_cursor(struct drm_crtc *crtc) 2285 { 2286 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2287 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2288 u32 tmp; 2289 2290 tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2291 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0); 2292 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2293 } 2294 2295 static void dce_v10_0_show_cursor(struct drm_crtc *crtc) 2296 { 2297 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2298 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2299 u32 tmp; 2300 2301 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset, 2302 upper_32_bits(amdgpu_crtc->cursor_addr)); 2303 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset, 2304 lower_32_bits(amdgpu_crtc->cursor_addr)); 2305 2306 tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset); 2307 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1); 2308 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2); 2309 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp); 2310 } 2311 2312 static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc, 2313 int x, int y) 2314 { 2315 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2316 struct amdgpu_device *adev = drm_to_adev(crtc->dev); 2317 int xorigin = 0, yorigin = 0; 2318 2319 amdgpu_crtc->cursor_x = x; 2320 amdgpu_crtc->cursor_y = y; 2321 2322 /* avivo cursor are offset into the total surface */ 2323 x += crtc->x; 2324 y += crtc->y; 2325 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y); 2326 2327 if (x < 0) { 2328 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1); 2329 x = 0; 2330 } 2331 if (y < 0) { 2332 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1); 2333 y = 0; 2334 } 2335 2336 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y); 2337 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin); 2338 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset, 2339 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1)); 2340 2341 return 0; 2342 } 2343 2344 static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc, 2345 int x, int y) 2346 { 2347 int ret; 2348 2349 dce_v10_0_lock_cursor(crtc, true); 2350 ret = dce_v10_0_cursor_move_locked(crtc, x, y); 2351 dce_v10_0_lock_cursor(crtc, false); 2352 2353 return ret; 2354 } 2355 2356 static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc, 2357 struct drm_file *file_priv, 2358 uint32_t handle, 2359 uint32_t width, 2360 uint32_t height, 2361 int32_t hot_x, 2362 int32_t hot_y) 2363 { 2364 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2365 struct drm_gem_object *obj; 2366 struct amdgpu_bo *aobj; 2367 int ret; 2368 2369 if (!handle) { 2370 /* turn off cursor */ 2371 dce_v10_0_hide_cursor(crtc); 2372 obj = NULL; 2373 goto unpin; 2374 } 2375 2376 if ((width > amdgpu_crtc->max_cursor_width) || 2377 (height > amdgpu_crtc->max_cursor_height)) { 2378 DRM_ERROR("bad cursor width or height %d x %d\n", width, height); 2379 return -EINVAL; 2380 } 2381 2382 obj = drm_gem_object_lookup(file_priv, handle); 2383 if (!obj) { 2384 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id); 2385 return -ENOENT; 2386 } 2387 2388 aobj = gem_to_amdgpu_bo(obj); 2389 ret = amdgpu_bo_reserve(aobj, false); 2390 if (ret != 0) { 2391 drm_gem_object_put(obj); 2392 return ret; 2393 } 2394 2395 aobj->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS; 2396 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM); 2397 amdgpu_bo_unreserve(aobj); 2398 if (ret) { 2399 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret); 2400 drm_gem_object_put(obj); 2401 return ret; 2402 } 2403 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj); 2404 2405 dce_v10_0_lock_cursor(crtc, true); 2406 2407 if (width != amdgpu_crtc->cursor_width || 2408 height != amdgpu_crtc->cursor_height || 2409 hot_x != amdgpu_crtc->cursor_hot_x || 2410 hot_y != amdgpu_crtc->cursor_hot_y) { 2411 int x, y; 2412 2413 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x; 2414 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y; 2415 2416 dce_v10_0_cursor_move_locked(crtc, x, y); 2417 2418 amdgpu_crtc->cursor_width = width; 2419 amdgpu_crtc->cursor_height = height; 2420 amdgpu_crtc->cursor_hot_x = hot_x; 2421 amdgpu_crtc->cursor_hot_y = hot_y; 2422 } 2423 2424 dce_v10_0_show_cursor(crtc); 2425 dce_v10_0_lock_cursor(crtc, false); 2426 2427 unpin: 2428 if (amdgpu_crtc->cursor_bo) { 2429 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); 2430 ret = amdgpu_bo_reserve(aobj, true); 2431 if (likely(ret == 0)) { 2432 amdgpu_bo_unpin(aobj); 2433 amdgpu_bo_unreserve(aobj); 2434 } 2435 drm_gem_object_put(amdgpu_crtc->cursor_bo); 2436 } 2437 2438 amdgpu_crtc->cursor_bo = obj; 2439 return 0; 2440 } 2441 2442 static void dce_v10_0_cursor_reset(struct drm_crtc *crtc) 2443 { 2444 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2445 2446 if (amdgpu_crtc->cursor_bo) { 2447 dce_v10_0_lock_cursor(crtc, true); 2448 2449 dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x, 2450 amdgpu_crtc->cursor_y); 2451 2452 dce_v10_0_show_cursor(crtc); 2453 2454 dce_v10_0_lock_cursor(crtc, false); 2455 } 2456 } 2457 2458 static int dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, 2459 u16 *blue, uint32_t size, 2460 struct drm_modeset_acquire_ctx *ctx) 2461 { 2462 dce_v10_0_crtc_load_lut(crtc); 2463 2464 return 0; 2465 } 2466 2467 static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc) 2468 { 2469 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2470 2471 drm_crtc_cleanup(crtc); 2472 kfree(amdgpu_crtc); 2473 } 2474 2475 static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = { 2476 .cursor_set2 = dce_v10_0_crtc_cursor_set2, 2477 .cursor_move = dce_v10_0_crtc_cursor_move, 2478 .gamma_set = dce_v10_0_crtc_gamma_set, 2479 .set_config = amdgpu_display_crtc_set_config, 2480 .destroy = dce_v10_0_crtc_destroy, 2481 .page_flip_target = amdgpu_display_crtc_page_flip_target, 2482 .get_vblank_counter = amdgpu_get_vblank_counter_kms, 2483 .enable_vblank = amdgpu_enable_vblank_kms, 2484 .disable_vblank = amdgpu_disable_vblank_kms, 2485 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp, 2486 }; 2487 2488 static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode) 2489 { 2490 struct drm_device *dev = crtc->dev; 2491 struct amdgpu_device *adev = drm_to_adev(dev); 2492 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2493 unsigned type; 2494 2495 switch (mode) { 2496 case DRM_MODE_DPMS_ON: 2497 amdgpu_crtc->enabled = true; 2498 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE); 2499 dce_v10_0_vga_enable(crtc, true); 2500 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); 2501 dce_v10_0_vga_enable(crtc, false); 2502 /* Make sure VBLANK and PFLIP interrupts are still enabled */ 2503 type = amdgpu_display_crtc_idx_to_irq_type(adev, 2504 amdgpu_crtc->crtc_id); 2505 amdgpu_irq_update(adev, &adev->crtc_irq, type); 2506 amdgpu_irq_update(adev, &adev->pageflip_irq, type); 2507 drm_crtc_vblank_on(crtc); 2508 dce_v10_0_crtc_load_lut(crtc); 2509 break; 2510 case DRM_MODE_DPMS_STANDBY: 2511 case DRM_MODE_DPMS_SUSPEND: 2512 case DRM_MODE_DPMS_OFF: 2513 drm_crtc_vblank_off(crtc); 2514 if (amdgpu_crtc->enabled) { 2515 dce_v10_0_vga_enable(crtc, true); 2516 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE); 2517 dce_v10_0_vga_enable(crtc, false); 2518 } 2519 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE); 2520 amdgpu_crtc->enabled = false; 2521 break; 2522 } 2523 /* adjust pm to dpms */ 2524 amdgpu_dpm_compute_clocks(adev); 2525 } 2526 2527 static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc) 2528 { 2529 /* disable crtc pair power gating before programming */ 2530 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE); 2531 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE); 2532 dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2533 } 2534 2535 static void dce_v10_0_crtc_commit(struct drm_crtc *crtc) 2536 { 2537 dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 2538 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE); 2539 } 2540 2541 static void dce_v10_0_crtc_disable(struct drm_crtc *crtc) 2542 { 2543 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2544 struct drm_device *dev = crtc->dev; 2545 struct amdgpu_device *adev = drm_to_adev(dev); 2546 struct amdgpu_atom_ss ss; 2547 int i; 2548 2549 dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2550 if (crtc->primary->fb) { 2551 int r; 2552 struct amdgpu_bo *abo; 2553 2554 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]); 2555 r = amdgpu_bo_reserve(abo, true); 2556 if (unlikely(r)) 2557 DRM_ERROR("failed to reserve abo before unpin\n"); 2558 else { 2559 amdgpu_bo_unpin(abo); 2560 amdgpu_bo_unreserve(abo); 2561 } 2562 } 2563 /* disable the GRPH */ 2564 dce_v10_0_grph_enable(crtc, false); 2565 2566 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE); 2567 2568 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2569 if (adev->mode_info.crtcs[i] && 2570 adev->mode_info.crtcs[i]->enabled && 2571 i != amdgpu_crtc->crtc_id && 2572 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) { 2573 /* one other crtc is using this pll don't turn 2574 * off the pll 2575 */ 2576 goto done; 2577 } 2578 } 2579 2580 switch (amdgpu_crtc->pll_id) { 2581 case ATOM_PPLL0: 2582 case ATOM_PPLL1: 2583 case ATOM_PPLL2: 2584 /* disable the ppll */ 2585 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id, 2586 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2587 break; 2588 default: 2589 break; 2590 } 2591 done: 2592 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2593 amdgpu_crtc->adjusted_clock = 0; 2594 amdgpu_crtc->encoder = NULL; 2595 amdgpu_crtc->connector = NULL; 2596 } 2597 2598 static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc, 2599 struct drm_display_mode *mode, 2600 struct drm_display_mode *adjusted_mode, 2601 int x, int y, struct drm_framebuffer *old_fb) 2602 { 2603 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2604 2605 if (!amdgpu_crtc->adjusted_clock) 2606 return -EINVAL; 2607 2608 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode); 2609 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode); 2610 dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y); 2611 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode); 2612 amdgpu_atombios_crtc_scaler_setup(crtc); 2613 dce_v10_0_cursor_reset(crtc); 2614 /* update the hw version fpr dpm */ 2615 amdgpu_crtc->hw_mode = *adjusted_mode; 2616 2617 return 0; 2618 } 2619 2620 static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc, 2621 const struct drm_display_mode *mode, 2622 struct drm_display_mode *adjusted_mode) 2623 { 2624 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 2625 struct drm_device *dev = crtc->dev; 2626 struct drm_encoder *encoder; 2627 2628 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */ 2629 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 2630 if (encoder->crtc == crtc) { 2631 amdgpu_crtc->encoder = encoder; 2632 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder); 2633 break; 2634 } 2635 } 2636 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) { 2637 amdgpu_crtc->encoder = NULL; 2638 amdgpu_crtc->connector = NULL; 2639 return false; 2640 } 2641 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) 2642 return false; 2643 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode)) 2644 return false; 2645 /* pick pll */ 2646 amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc); 2647 /* if we can't get a PPLL for a non-DP encoder, fail */ 2648 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) && 2649 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) 2650 return false; 2651 2652 return true; 2653 } 2654 2655 static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y, 2656 struct drm_framebuffer *old_fb) 2657 { 2658 return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y); 2659 } 2660 2661 static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = { 2662 .dpms = dce_v10_0_crtc_dpms, 2663 .mode_fixup = dce_v10_0_crtc_mode_fixup, 2664 .mode_set = dce_v10_0_crtc_mode_set, 2665 .mode_set_base = dce_v10_0_crtc_set_base, 2666 .prepare = dce_v10_0_crtc_prepare, 2667 .commit = dce_v10_0_crtc_commit, 2668 .disable = dce_v10_0_crtc_disable, 2669 .get_scanout_position = amdgpu_crtc_get_scanout_position, 2670 }; 2671 2672 static void dce_v10_0_panic_flush(struct drm_plane *plane) 2673 { 2674 struct drm_framebuffer *fb; 2675 struct amdgpu_crtc *amdgpu_crtc; 2676 struct amdgpu_device *adev; 2677 uint32_t fb_format; 2678 2679 if (!plane->fb) 2680 return; 2681 2682 fb = plane->fb; 2683 amdgpu_crtc = to_amdgpu_crtc(plane->crtc); 2684 adev = drm_to_adev(fb->dev); 2685 2686 /* Disable DC tiling */ 2687 fb_format = RREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset); 2688 fb_format &= ~GRPH_CONTROL__GRPH_ARRAY_MODE_MASK; 2689 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); 2690 2691 } 2692 2693 static const struct drm_plane_helper_funcs dce_v10_0_drm_primary_plane_helper_funcs = { 2694 .get_scanout_buffer = amdgpu_display_get_scanout_buffer, 2695 .panic_flush = dce_v10_0_panic_flush, 2696 }; 2697 2698 static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index) 2699 { 2700 struct amdgpu_crtc *amdgpu_crtc; 2701 2702 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) + 2703 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); 2704 if (amdgpu_crtc == NULL) 2705 return -ENOMEM; 2706 2707 drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v10_0_crtc_funcs); 2708 2709 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256); 2710 amdgpu_crtc->crtc_id = index; 2711 adev->mode_info.crtcs[index] = amdgpu_crtc; 2712 2713 amdgpu_crtc->max_cursor_width = 128; 2714 amdgpu_crtc->max_cursor_height = 128; 2715 adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width; 2716 adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height; 2717 2718 switch (amdgpu_crtc->crtc_id) { 2719 case 0: 2720 default: 2721 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET; 2722 break; 2723 case 1: 2724 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET; 2725 break; 2726 case 2: 2727 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET; 2728 break; 2729 case 3: 2730 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET; 2731 break; 2732 case 4: 2733 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET; 2734 break; 2735 case 5: 2736 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET; 2737 break; 2738 } 2739 2740 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID; 2741 amdgpu_crtc->adjusted_clock = 0; 2742 amdgpu_crtc->encoder = NULL; 2743 amdgpu_crtc->connector = NULL; 2744 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs); 2745 drm_plane_helper_add(amdgpu_crtc->base.primary, &dce_v10_0_drm_primary_plane_helper_funcs); 2746 2747 return 0; 2748 } 2749 2750 static int dce_v10_0_early_init(struct amdgpu_ip_block *ip_block) 2751 { 2752 struct amdgpu_device *adev = ip_block->adev; 2753 2754 adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg; 2755 adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg; 2756 2757 dce_v10_0_set_display_funcs(adev); 2758 2759 adev->mode_info.num_crtc = dce_v10_0_get_num_crtc(adev); 2760 2761 switch (adev->asic_type) { 2762 case CHIP_FIJI: 2763 case CHIP_TONGA: 2764 adev->mode_info.num_hpd = 6; 2765 adev->mode_info.num_dig = 7; 2766 break; 2767 default: 2768 /* FIXME: not supported yet */ 2769 return -EINVAL; 2770 } 2771 2772 dce_v10_0_set_irq_funcs(adev); 2773 2774 return 0; 2775 } 2776 2777 static int dce_v10_0_sw_init(struct amdgpu_ip_block *ip_block) 2778 { 2779 int r, i; 2780 struct amdgpu_device *adev = ip_block->adev; 2781 2782 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2783 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq); 2784 if (r) 2785 return r; 2786 } 2787 2788 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) { 2789 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq); 2790 if (r) 2791 return r; 2792 } 2793 2794 /* HPD hotplug */ 2795 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq); 2796 if (r) 2797 return r; 2798 2799 adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs; 2800 2801 adev_to_drm(adev)->mode_config.async_page_flip = true; 2802 2803 adev_to_drm(adev)->mode_config.max_width = 16384; 2804 adev_to_drm(adev)->mode_config.max_height = 16384; 2805 2806 adev_to_drm(adev)->mode_config.preferred_depth = 24; 2807 adev_to_drm(adev)->mode_config.prefer_shadow = 1; 2808 2809 adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true; 2810 2811 r = amdgpu_display_modeset_create_props(adev); 2812 if (r) 2813 return r; 2814 2815 adev_to_drm(adev)->mode_config.max_width = 16384; 2816 adev_to_drm(adev)->mode_config.max_height = 16384; 2817 2818 /* allocate crtcs */ 2819 for (i = 0; i < adev->mode_info.num_crtc; i++) { 2820 r = dce_v10_0_crtc_init(adev, i); 2821 if (r) 2822 return r; 2823 } 2824 2825 if (amdgpu_atombios_get_connector_info_from_object_table(adev)) 2826 amdgpu_display_print_display_setup(adev_to_drm(adev)); 2827 else 2828 return -EINVAL; 2829 2830 /* setup afmt */ 2831 r = dce_v10_0_afmt_init(adev); 2832 if (r) 2833 return r; 2834 2835 r = dce_v10_0_audio_init(adev); 2836 if (r) 2837 return r; 2838 2839 /* Disable vblank IRQs aggressively for power-saving */ 2840 /* XXX: can this be enabled for DC? */ 2841 adev_to_drm(adev)->vblank_disable_immediate = true; 2842 2843 r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc); 2844 if (r) 2845 return r; 2846 2847 INIT_DELAYED_WORK(&adev->hotplug_work, 2848 amdgpu_display_hotplug_work_func); 2849 2850 drm_kms_helper_poll_init(adev_to_drm(adev)); 2851 2852 adev->mode_info.mode_config_initialized = true; 2853 return 0; 2854 } 2855 2856 static int dce_v10_0_sw_fini(struct amdgpu_ip_block *ip_block) 2857 { 2858 struct amdgpu_device *adev = ip_block->adev; 2859 2860 drm_edid_free(adev->mode_info.bios_hardcoded_edid); 2861 2862 drm_kms_helper_poll_fini(adev_to_drm(adev)); 2863 2864 dce_v10_0_audio_fini(adev); 2865 2866 dce_v10_0_afmt_fini(adev); 2867 2868 drm_mode_config_cleanup(adev_to_drm(adev)); 2869 adev->mode_info.mode_config_initialized = false; 2870 2871 return 0; 2872 } 2873 2874 static int dce_v10_0_hw_init(struct amdgpu_ip_block *ip_block) 2875 { 2876 int i; 2877 struct amdgpu_device *adev = ip_block->adev; 2878 2879 dce_v10_0_init_golden_registers(adev); 2880 2881 /* disable vga render */ 2882 dce_v10_0_set_vga_render_state(adev, false); 2883 /* init dig PHYs, disp eng pll */ 2884 amdgpu_atombios_encoder_init_dig(adev); 2885 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk); 2886 2887 /* initialize hpd */ 2888 dce_v10_0_hpd_init(adev); 2889 2890 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 2891 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 2892 } 2893 2894 dce_v10_0_pageflip_interrupt_init(adev); 2895 2896 return 0; 2897 } 2898 2899 static int dce_v10_0_hw_fini(struct amdgpu_ip_block *ip_block) 2900 { 2901 int i; 2902 struct amdgpu_device *adev = ip_block->adev; 2903 2904 dce_v10_0_hpd_fini(adev); 2905 2906 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 2907 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); 2908 } 2909 2910 dce_v10_0_pageflip_interrupt_fini(adev); 2911 2912 flush_delayed_work(&adev->hotplug_work); 2913 2914 return 0; 2915 } 2916 2917 static int dce_v10_0_suspend(struct amdgpu_ip_block *ip_block) 2918 { 2919 struct amdgpu_device *adev = ip_block->adev; 2920 int r; 2921 2922 r = amdgpu_display_suspend_helper(adev); 2923 if (r) 2924 return r; 2925 2926 adev->mode_info.bl_level = 2927 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev); 2928 2929 return dce_v10_0_hw_fini(ip_block); 2930 } 2931 2932 static int dce_v10_0_resume(struct amdgpu_ip_block *ip_block) 2933 { 2934 struct amdgpu_device *adev = ip_block->adev; 2935 int ret; 2936 2937 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev, 2938 adev->mode_info.bl_level); 2939 2940 ret = dce_v10_0_hw_init(ip_block); 2941 2942 /* turn on the BL */ 2943 if (adev->mode_info.bl_encoder) { 2944 u8 bl_level = amdgpu_display_backlight_get_level(adev, 2945 adev->mode_info.bl_encoder); 2946 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder, 2947 bl_level); 2948 } 2949 if (ret) 2950 return ret; 2951 2952 return amdgpu_display_resume_helper(adev); 2953 } 2954 2955 static bool dce_v10_0_is_idle(struct amdgpu_ip_block *ip_block) 2956 { 2957 return true; 2958 } 2959 2960 static bool dce_v10_0_check_soft_reset(struct amdgpu_ip_block *ip_block) 2961 { 2962 struct amdgpu_device *adev = ip_block->adev; 2963 2964 return dce_v10_0_is_display_hung(adev); 2965 } 2966 2967 static int dce_v10_0_soft_reset(struct amdgpu_ip_block *ip_block) 2968 { 2969 u32 srbm_soft_reset = 0, tmp; 2970 struct amdgpu_device *adev = ip_block->adev; 2971 2972 if (dce_v10_0_is_display_hung(adev)) 2973 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK; 2974 2975 if (srbm_soft_reset) { 2976 tmp = RREG32(mmSRBM_SOFT_RESET); 2977 tmp |= srbm_soft_reset; 2978 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 2979 WREG32(mmSRBM_SOFT_RESET, tmp); 2980 tmp = RREG32(mmSRBM_SOFT_RESET); 2981 2982 udelay(50); 2983 2984 tmp &= ~srbm_soft_reset; 2985 WREG32(mmSRBM_SOFT_RESET, tmp); 2986 tmp = RREG32(mmSRBM_SOFT_RESET); 2987 2988 /* Wait a little for things to settle down */ 2989 udelay(50); 2990 } 2991 return 0; 2992 } 2993 2994 static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev, 2995 int crtc, 2996 enum amdgpu_interrupt_state state) 2997 { 2998 u32 lb_interrupt_mask; 2999 3000 if (crtc >= adev->mode_info.num_crtc) { 3001 DRM_DEBUG("invalid crtc %d\n", crtc); 3002 return; 3003 } 3004 3005 switch (state) { 3006 case AMDGPU_IRQ_STATE_DISABLE: 3007 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3008 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3009 VBLANK_INTERRUPT_MASK, 0); 3010 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3011 break; 3012 case AMDGPU_IRQ_STATE_ENABLE: 3013 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3014 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3015 VBLANK_INTERRUPT_MASK, 1); 3016 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3017 break; 3018 default: 3019 break; 3020 } 3021 } 3022 3023 static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev, 3024 int crtc, 3025 enum amdgpu_interrupt_state state) 3026 { 3027 u32 lb_interrupt_mask; 3028 3029 if (crtc >= adev->mode_info.num_crtc) { 3030 DRM_DEBUG("invalid crtc %d\n", crtc); 3031 return; 3032 } 3033 3034 switch (state) { 3035 case AMDGPU_IRQ_STATE_DISABLE: 3036 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3037 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3038 VLINE_INTERRUPT_MASK, 0); 3039 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3040 break; 3041 case AMDGPU_IRQ_STATE_ENABLE: 3042 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]); 3043 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK, 3044 VLINE_INTERRUPT_MASK, 1); 3045 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask); 3046 break; 3047 default: 3048 break; 3049 } 3050 } 3051 3052 static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev, 3053 struct amdgpu_irq_src *source, 3054 unsigned hpd, 3055 enum amdgpu_interrupt_state state) 3056 { 3057 u32 tmp; 3058 3059 if (hpd >= adev->mode_info.num_hpd) { 3060 DRM_DEBUG("invalid hpd %d\n", hpd); 3061 return 0; 3062 } 3063 3064 switch (state) { 3065 case AMDGPU_IRQ_STATE_DISABLE: 3066 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3067 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); 3068 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3069 break; 3070 case AMDGPU_IRQ_STATE_ENABLE: 3071 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3072 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1); 3073 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3074 break; 3075 default: 3076 break; 3077 } 3078 3079 return 0; 3080 } 3081 3082 static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev, 3083 struct amdgpu_irq_src *source, 3084 unsigned type, 3085 enum amdgpu_interrupt_state state) 3086 { 3087 switch (type) { 3088 case AMDGPU_CRTC_IRQ_VBLANK1: 3089 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state); 3090 break; 3091 case AMDGPU_CRTC_IRQ_VBLANK2: 3092 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state); 3093 break; 3094 case AMDGPU_CRTC_IRQ_VBLANK3: 3095 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state); 3096 break; 3097 case AMDGPU_CRTC_IRQ_VBLANK4: 3098 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state); 3099 break; 3100 case AMDGPU_CRTC_IRQ_VBLANK5: 3101 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state); 3102 break; 3103 case AMDGPU_CRTC_IRQ_VBLANK6: 3104 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state); 3105 break; 3106 case AMDGPU_CRTC_IRQ_VLINE1: 3107 dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state); 3108 break; 3109 case AMDGPU_CRTC_IRQ_VLINE2: 3110 dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state); 3111 break; 3112 case AMDGPU_CRTC_IRQ_VLINE3: 3113 dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state); 3114 break; 3115 case AMDGPU_CRTC_IRQ_VLINE4: 3116 dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state); 3117 break; 3118 case AMDGPU_CRTC_IRQ_VLINE5: 3119 dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state); 3120 break; 3121 case AMDGPU_CRTC_IRQ_VLINE6: 3122 dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state); 3123 break; 3124 default: 3125 break; 3126 } 3127 return 0; 3128 } 3129 3130 static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev, 3131 struct amdgpu_irq_src *src, 3132 unsigned type, 3133 enum amdgpu_interrupt_state state) 3134 { 3135 u32 reg; 3136 3137 if (type >= adev->mode_info.num_crtc) { 3138 DRM_ERROR("invalid pageflip crtc %d\n", type); 3139 return -EINVAL; 3140 } 3141 3142 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]); 3143 if (state == AMDGPU_IRQ_STATE_DISABLE) 3144 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3145 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3146 else 3147 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type], 3148 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK); 3149 3150 return 0; 3151 } 3152 3153 static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev, 3154 struct amdgpu_irq_src *source, 3155 struct amdgpu_iv_entry *entry) 3156 { 3157 unsigned long flags; 3158 unsigned crtc_id; 3159 struct amdgpu_crtc *amdgpu_crtc; 3160 struct amdgpu_flip_work *works; 3161 3162 crtc_id = (entry->src_id - 8) >> 1; 3163 amdgpu_crtc = adev->mode_info.crtcs[crtc_id]; 3164 3165 if (crtc_id >= adev->mode_info.num_crtc) { 3166 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id); 3167 return -EINVAL; 3168 } 3169 3170 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) & 3171 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK) 3172 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id], 3173 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK); 3174 3175 /* IRQ could occur when in initial stage */ 3176 if (amdgpu_crtc == NULL) 3177 return 0; 3178 3179 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags); 3180 works = amdgpu_crtc->pflip_works; 3181 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) { 3182 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != " 3183 "AMDGPU_FLIP_SUBMITTED(%d)\n", 3184 amdgpu_crtc->pflip_status, 3185 AMDGPU_FLIP_SUBMITTED); 3186 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 3187 return 0; 3188 } 3189 3190 /* page flip completed. clean up */ 3191 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE; 3192 amdgpu_crtc->pflip_works = NULL; 3193 3194 /* wakeup usersapce */ 3195 if (works->event) 3196 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event); 3197 3198 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 3199 3200 drm_crtc_vblank_put(&amdgpu_crtc->base); 3201 schedule_work(&works->unpin_work); 3202 3203 return 0; 3204 } 3205 3206 static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev, 3207 int hpd) 3208 { 3209 u32 tmp; 3210 3211 if (hpd >= adev->mode_info.num_hpd) { 3212 DRM_DEBUG("invalid hpd %d\n", hpd); 3213 return; 3214 } 3215 3216 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); 3217 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1); 3218 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); 3219 } 3220 3221 static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev, 3222 int crtc) 3223 { 3224 u32 tmp; 3225 3226 if (crtc >= adev->mode_info.num_crtc) { 3227 DRM_DEBUG("invalid crtc %d\n", crtc); 3228 return; 3229 } 3230 3231 tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]); 3232 tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1); 3233 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp); 3234 } 3235 3236 static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev, 3237 int crtc) 3238 { 3239 u32 tmp; 3240 3241 if (crtc >= adev->mode_info.num_crtc) { 3242 DRM_DEBUG("invalid crtc %d\n", crtc); 3243 return; 3244 } 3245 3246 tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]); 3247 tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1); 3248 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp); 3249 } 3250 3251 static int dce_v10_0_crtc_irq(struct amdgpu_device *adev, 3252 struct amdgpu_irq_src *source, 3253 struct amdgpu_iv_entry *entry) 3254 { 3255 unsigned crtc = entry->src_id - 1; 3256 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg); 3257 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, crtc); 3258 3259 switch (entry->src_data[0]) { 3260 case 0: /* vblank */ 3261 if (disp_int & interrupt_status_offsets[crtc].vblank) 3262 dce_v10_0_crtc_vblank_int_ack(adev, crtc); 3263 else 3264 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3265 3266 if (amdgpu_irq_enabled(adev, source, irq_type)) { 3267 drm_handle_vblank(adev_to_drm(adev), crtc); 3268 } 3269 DRM_DEBUG("IH: D%d vblank\n", crtc + 1); 3270 3271 break; 3272 case 1: /* vline */ 3273 if (disp_int & interrupt_status_offsets[crtc].vline) 3274 dce_v10_0_crtc_vline_int_ack(adev, crtc); 3275 else 3276 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); 3277 3278 DRM_DEBUG("IH: D%d vline\n", crtc + 1); 3279 3280 break; 3281 default: 3282 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); 3283 break; 3284 } 3285 3286 return 0; 3287 } 3288 3289 static int dce_v10_0_hpd_irq(struct amdgpu_device *adev, 3290 struct amdgpu_irq_src *source, 3291 struct amdgpu_iv_entry *entry) 3292 { 3293 uint32_t disp_int, mask; 3294 unsigned hpd; 3295 3296 if (entry->src_data[0] >= adev->mode_info.num_hpd) { 3297 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]); 3298 return 0; 3299 } 3300 3301 hpd = entry->src_data[0]; 3302 disp_int = RREG32(interrupt_status_offsets[hpd].reg); 3303 mask = interrupt_status_offsets[hpd].hpd; 3304 3305 if (disp_int & mask) { 3306 dce_v10_0_hpd_int_ack(adev, hpd); 3307 schedule_delayed_work(&adev->hotplug_work, 0); 3308 DRM_DEBUG("IH: HPD%d\n", hpd + 1); 3309 } 3310 3311 return 0; 3312 } 3313 3314 static int dce_v10_0_set_clockgating_state(struct amdgpu_ip_block *ip_block, 3315 enum amd_clockgating_state state) 3316 { 3317 return 0; 3318 } 3319 3320 static int dce_v10_0_set_powergating_state(struct amdgpu_ip_block *ip_block, 3321 enum amd_powergating_state state) 3322 { 3323 return 0; 3324 } 3325 3326 static const struct amd_ip_funcs dce_v10_0_ip_funcs = { 3327 .name = "dce_v10_0", 3328 .early_init = dce_v10_0_early_init, 3329 .sw_init = dce_v10_0_sw_init, 3330 .sw_fini = dce_v10_0_sw_fini, 3331 .hw_init = dce_v10_0_hw_init, 3332 .hw_fini = dce_v10_0_hw_fini, 3333 .suspend = dce_v10_0_suspend, 3334 .resume = dce_v10_0_resume, 3335 .is_idle = dce_v10_0_is_idle, 3336 .check_soft_reset = dce_v10_0_check_soft_reset, 3337 .soft_reset = dce_v10_0_soft_reset, 3338 .set_clockgating_state = dce_v10_0_set_clockgating_state, 3339 .set_powergating_state = dce_v10_0_set_powergating_state, 3340 }; 3341 3342 static void 3343 dce_v10_0_encoder_mode_set(struct drm_encoder *encoder, 3344 struct drm_display_mode *mode, 3345 struct drm_display_mode *adjusted_mode) 3346 { 3347 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3348 3349 amdgpu_encoder->pixel_clock = adjusted_mode->clock; 3350 3351 /* need to call this here rather than in prepare() since we need some crtc info */ 3352 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3353 3354 /* set scaler clears this on some chips */ 3355 dce_v10_0_set_interleave(encoder->crtc, mode); 3356 3357 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) { 3358 dce_v10_0_afmt_enable(encoder, true); 3359 dce_v10_0_afmt_setmode(encoder, adjusted_mode); 3360 } 3361 } 3362 3363 static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder) 3364 { 3365 struct amdgpu_device *adev = drm_to_adev(encoder->dev); 3366 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3367 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder); 3368 3369 if ((amdgpu_encoder->active_device & 3370 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) || 3371 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) != 3372 ENCODER_OBJECT_ID_NONE)) { 3373 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; 3374 if (dig) { 3375 dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder); 3376 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT) 3377 dig->afmt = adev->mode_info.afmt[dig->dig_encoder]; 3378 } 3379 } 3380 3381 amdgpu_atombios_scratch_regs_lock(adev, true); 3382 3383 if (connector) { 3384 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); 3385 3386 /* select the clock/data port if it uses a router */ 3387 if (amdgpu_connector->router.cd_valid) 3388 amdgpu_i2c_router_select_cd_port(amdgpu_connector); 3389 3390 /* turn eDP panel on for mode set */ 3391 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) 3392 amdgpu_atombios_encoder_set_edp_panel_power(connector, 3393 ATOM_TRANSMITTER_ACTION_POWER_ON); 3394 } 3395 3396 /* this is needed for the pll/ss setup to work correctly in some cases */ 3397 amdgpu_atombios_encoder_set_crtc_source(encoder); 3398 /* set up the FMT blocks */ 3399 dce_v10_0_program_fmt(encoder); 3400 } 3401 3402 static void dce_v10_0_encoder_commit(struct drm_encoder *encoder) 3403 { 3404 struct drm_device *dev = encoder->dev; 3405 struct amdgpu_device *adev = drm_to_adev(dev); 3406 3407 /* need to call this here as we need the crtc set up */ 3408 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON); 3409 amdgpu_atombios_scratch_regs_lock(adev, false); 3410 } 3411 3412 static void dce_v10_0_encoder_disable(struct drm_encoder *encoder) 3413 { 3414 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3415 struct amdgpu_encoder_atom_dig *dig; 3416 3417 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); 3418 3419 if (amdgpu_atombios_encoder_is_digital(encoder)) { 3420 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) 3421 dce_v10_0_afmt_enable(encoder, false); 3422 dig = amdgpu_encoder->enc_priv; 3423 dig->dig_encoder = -1; 3424 } 3425 amdgpu_encoder->active_device = 0; 3426 } 3427 3428 /* these are handled by the primary encoders */ 3429 static void dce_v10_0_ext_prepare(struct drm_encoder *encoder) 3430 { 3431 3432 } 3433 3434 static void dce_v10_0_ext_commit(struct drm_encoder *encoder) 3435 { 3436 3437 } 3438 3439 static void 3440 dce_v10_0_ext_mode_set(struct drm_encoder *encoder, 3441 struct drm_display_mode *mode, 3442 struct drm_display_mode *adjusted_mode) 3443 { 3444 3445 } 3446 3447 static void dce_v10_0_ext_disable(struct drm_encoder *encoder) 3448 { 3449 3450 } 3451 3452 static void 3453 dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode) 3454 { 3455 3456 } 3457 3458 static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = { 3459 .dpms = dce_v10_0_ext_dpms, 3460 .prepare = dce_v10_0_ext_prepare, 3461 .mode_set = dce_v10_0_ext_mode_set, 3462 .commit = dce_v10_0_ext_commit, 3463 .disable = dce_v10_0_ext_disable, 3464 /* no detect for TMDS/LVDS yet */ 3465 }; 3466 3467 static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = { 3468 .dpms = amdgpu_atombios_encoder_dpms, 3469 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3470 .prepare = dce_v10_0_encoder_prepare, 3471 .mode_set = dce_v10_0_encoder_mode_set, 3472 .commit = dce_v10_0_encoder_commit, 3473 .disable = dce_v10_0_encoder_disable, 3474 .detect = amdgpu_atombios_encoder_dig_detect, 3475 }; 3476 3477 static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = { 3478 .dpms = amdgpu_atombios_encoder_dpms, 3479 .mode_fixup = amdgpu_atombios_encoder_mode_fixup, 3480 .prepare = dce_v10_0_encoder_prepare, 3481 .mode_set = dce_v10_0_encoder_mode_set, 3482 .commit = dce_v10_0_encoder_commit, 3483 .detect = amdgpu_atombios_encoder_dac_detect, 3484 }; 3485 3486 static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder) 3487 { 3488 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 3489 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3490 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder); 3491 kfree(amdgpu_encoder->enc_priv); 3492 drm_encoder_cleanup(encoder); 3493 kfree(amdgpu_encoder); 3494 } 3495 3496 static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = { 3497 .destroy = dce_v10_0_encoder_destroy, 3498 }; 3499 3500 static void dce_v10_0_encoder_add(struct amdgpu_device *adev, 3501 uint32_t encoder_enum, 3502 uint32_t supported_device, 3503 u16 caps) 3504 { 3505 struct drm_device *dev = adev_to_drm(adev); 3506 struct drm_encoder *encoder; 3507 struct amdgpu_encoder *amdgpu_encoder; 3508 3509 /* see if we already added it */ 3510 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 3511 amdgpu_encoder = to_amdgpu_encoder(encoder); 3512 if (amdgpu_encoder->encoder_enum == encoder_enum) { 3513 amdgpu_encoder->devices |= supported_device; 3514 return; 3515 } 3516 3517 } 3518 3519 /* add a new one */ 3520 amdgpu_encoder = kzalloc_obj(struct amdgpu_encoder, GFP_KERNEL); 3521 if (!amdgpu_encoder) 3522 return; 3523 3524 encoder = &amdgpu_encoder->base; 3525 switch (adev->mode_info.num_crtc) { 3526 case 1: 3527 encoder->possible_crtcs = 0x1; 3528 break; 3529 case 2: 3530 default: 3531 encoder->possible_crtcs = 0x3; 3532 break; 3533 case 4: 3534 encoder->possible_crtcs = 0xf; 3535 break; 3536 case 6: 3537 encoder->possible_crtcs = 0x3f; 3538 break; 3539 } 3540 3541 amdgpu_encoder->enc_priv = NULL; 3542 3543 amdgpu_encoder->encoder_enum = encoder_enum; 3544 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT; 3545 amdgpu_encoder->devices = supported_device; 3546 amdgpu_encoder->rmx_type = RMX_OFF; 3547 amdgpu_encoder->underscan_type = UNDERSCAN_OFF; 3548 amdgpu_encoder->is_ext_encoder = false; 3549 amdgpu_encoder->caps = caps; 3550 3551 switch (amdgpu_encoder->encoder_id) { 3552 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1: 3553 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2: 3554 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3555 DRM_MODE_ENCODER_DAC, NULL); 3556 drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs); 3557 break; 3558 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 3559 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 3560 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 3561 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 3562 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 3563 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 3564 amdgpu_encoder->rmx_type = RMX_FULL; 3565 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3566 DRM_MODE_ENCODER_LVDS, NULL); 3567 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder); 3568 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) { 3569 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3570 DRM_MODE_ENCODER_DAC, NULL); 3571 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3572 } else { 3573 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3574 DRM_MODE_ENCODER_TMDS, NULL); 3575 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder); 3576 } 3577 drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs); 3578 break; 3579 case ENCODER_OBJECT_ID_SI170B: 3580 case ENCODER_OBJECT_ID_CH7303: 3581 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA: 3582 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB: 3583 case ENCODER_OBJECT_ID_TITFP513: 3584 case ENCODER_OBJECT_ID_VT1623: 3585 case ENCODER_OBJECT_ID_HDMI_SI1930: 3586 case ENCODER_OBJECT_ID_TRAVIS: 3587 case ENCODER_OBJECT_ID_NUTMEG: 3588 /* these are handled by the primary encoders */ 3589 amdgpu_encoder->is_ext_encoder = true; 3590 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 3591 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3592 DRM_MODE_ENCODER_LVDS, NULL); 3593 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) 3594 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3595 DRM_MODE_ENCODER_DAC, NULL); 3596 else 3597 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs, 3598 DRM_MODE_ENCODER_TMDS, NULL); 3599 drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs); 3600 break; 3601 } 3602 } 3603 3604 static const struct amdgpu_display_funcs dce_v10_0_display_funcs = { 3605 .bandwidth_update = &dce_v10_0_bandwidth_update, 3606 .vblank_get_counter = &dce_v10_0_vblank_get_counter, 3607 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level, 3608 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level, 3609 .hpd_sense = &dce_v10_0_hpd_sense, 3610 .hpd_set_polarity = &dce_v10_0_hpd_set_polarity, 3611 .hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg, 3612 .page_flip = &dce_v10_0_page_flip, 3613 .page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos, 3614 .add_encoder = &dce_v10_0_encoder_add, 3615 .add_connector = &amdgpu_connector_add, 3616 }; 3617 3618 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev) 3619 { 3620 adev->mode_info.funcs = &dce_v10_0_display_funcs; 3621 } 3622 3623 static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = { 3624 .set = dce_v10_0_set_crtc_irq_state, 3625 .process = dce_v10_0_crtc_irq, 3626 }; 3627 3628 static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = { 3629 .set = dce_v10_0_set_pageflip_irq_state, 3630 .process = dce_v10_0_pageflip_irq, 3631 }; 3632 3633 static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = { 3634 .set = dce_v10_0_set_hpd_irq_state, 3635 .process = dce_v10_0_hpd_irq, 3636 }; 3637 3638 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev) 3639 { 3640 if (adev->mode_info.num_crtc > 0) 3641 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc; 3642 else 3643 adev->crtc_irq.num_types = 0; 3644 adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs; 3645 3646 adev->pageflip_irq.num_types = adev->mode_info.num_crtc; 3647 adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs; 3648 3649 adev->hpd_irq.num_types = adev->mode_info.num_hpd; 3650 adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs; 3651 } 3652 3653 const struct amdgpu_ip_block_version dce_v10_0_ip_block = { 3654 .type = AMD_IP_BLOCK_TYPE_DCE, 3655 .major = 10, 3656 .minor = 0, 3657 .rev = 0, 3658 .funcs = &dce_v10_0_ip_funcs, 3659 }; 3660 3661 const struct amdgpu_ip_block_version dce_v10_1_ip_block = { 3662 .type = AMD_IP_BLOCK_TYPE_DCE, 3663 .major = 10, 3664 .minor = 1, 3665 .rev = 0, 3666 .funcs = &dce_v10_0_ip_funcs, 3667 }; 3668