1 /* 2 * Copyright 2008 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * Copyright 2009 Jerome Glisse. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Dave Airlie 25 * Alex Deucher 26 * Jerome Glisse 27 */ 28 29 #include <linux/seq_file.h> 30 #include <linux/slab.h> 31 32 #include <drm/drm_debugfs.h> 33 #include <drm/drm_device.h> 34 #include <drm/drm_file.h> 35 36 #include "atom.h" 37 #include "radeon.h" 38 #include "radeon_asic.h" 39 #include "rv515_reg_safe.h" 40 #include "rv515d.h" 41 42 /* This files gather functions specifics to: rv515 */ 43 static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev); 44 static int rv515_debugfs_ga_info_init(struct radeon_device *rdev); 45 static void rv515_gpu_init(struct radeon_device *rdev); 46 int rv515_mc_wait_for_idle(struct radeon_device *rdev); 47 48 static const u32 crtc_offsets[2] = 49 { 50 0, 51 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL 52 }; 53 54 void rv515_debugfs(struct radeon_device *rdev) 55 { 56 if (r100_debugfs_rbbm_init(rdev)) { 57 DRM_ERROR("Failed to register debugfs file for RBBM !\n"); 58 } 59 if (rv515_debugfs_pipes_info_init(rdev)) { 60 DRM_ERROR("Failed to register debugfs file for pipes !\n"); 61 } 62 if (rv515_debugfs_ga_info_init(rdev)) { 63 DRM_ERROR("Failed to register debugfs file for pipes !\n"); 64 } 65 } 66 67 void rv515_ring_start(struct radeon_device *rdev, struct radeon_ring *ring) 68 { 69 int r; 70 71 r = radeon_ring_lock(rdev, ring, 64); 72 if (r) { 73 return; 74 } 75 radeon_ring_write(ring, PACKET0(ISYNC_CNTL, 0)); 76 radeon_ring_write(ring, 77 ISYNC_ANY2D_IDLE3D | 78 ISYNC_ANY3D_IDLE2D | 79 ISYNC_WAIT_IDLEGUI | 80 ISYNC_CPSCRATCH_IDLEGUI); 81 radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0)); 82 radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN); 83 radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0)); 84 radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG); 85 radeon_ring_write(ring, PACKET0(GB_SELECT, 0)); 86 radeon_ring_write(ring, 0); 87 radeon_ring_write(ring, PACKET0(GB_ENABLE, 0)); 88 radeon_ring_write(ring, 0); 89 radeon_ring_write(ring, PACKET0(R500_SU_REG_DEST, 0)); 90 radeon_ring_write(ring, (1 << rdev->num_gb_pipes) - 1); 91 radeon_ring_write(ring, PACKET0(VAP_INDEX_OFFSET, 0)); 92 radeon_ring_write(ring, 0); 93 radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0)); 94 radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE); 95 radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0)); 96 radeon_ring_write(ring, ZC_FLUSH | ZC_FREE); 97 radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0)); 98 radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN); 99 radeon_ring_write(ring, PACKET0(GB_AA_CONFIG, 0)); 100 radeon_ring_write(ring, 0); 101 radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0)); 102 radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE); 103 radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0)); 104 radeon_ring_write(ring, ZC_FLUSH | ZC_FREE); 105 radeon_ring_write(ring, PACKET0(GB_MSPOS0, 0)); 106 radeon_ring_write(ring, 107 ((6 << MS_X0_SHIFT) | 108 (6 << MS_Y0_SHIFT) | 109 (6 << MS_X1_SHIFT) | 110 (6 << MS_Y1_SHIFT) | 111 (6 << MS_X2_SHIFT) | 112 (6 << MS_Y2_SHIFT) | 113 (6 << MSBD0_Y_SHIFT) | 114 (6 << MSBD0_X_SHIFT))); 115 radeon_ring_write(ring, PACKET0(GB_MSPOS1, 0)); 116 radeon_ring_write(ring, 117 ((6 << MS_X3_SHIFT) | 118 (6 << MS_Y3_SHIFT) | 119 (6 << MS_X4_SHIFT) | 120 (6 << MS_Y4_SHIFT) | 121 (6 << MS_X5_SHIFT) | 122 (6 << MS_Y5_SHIFT) | 123 (6 << MSBD1_SHIFT))); 124 radeon_ring_write(ring, PACKET0(GA_ENHANCE, 0)); 125 radeon_ring_write(ring, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL); 126 radeon_ring_write(ring, PACKET0(GA_POLY_MODE, 0)); 127 radeon_ring_write(ring, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE); 128 radeon_ring_write(ring, PACKET0(GA_ROUND_MODE, 0)); 129 radeon_ring_write(ring, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST); 130 radeon_ring_write(ring, PACKET0(0x20C8, 0)); 131 radeon_ring_write(ring, 0); 132 radeon_ring_unlock_commit(rdev, ring, false); 133 } 134 135 int rv515_mc_wait_for_idle(struct radeon_device *rdev) 136 { 137 unsigned i; 138 uint32_t tmp; 139 140 for (i = 0; i < rdev->usec_timeout; i++) { 141 /* read MC_STATUS */ 142 tmp = RREG32_MC(MC_STATUS); 143 if (tmp & MC_STATUS_IDLE) { 144 return 0; 145 } 146 udelay(1); 147 } 148 return -1; 149 } 150 151 void rv515_vga_render_disable(struct radeon_device *rdev) 152 { 153 WREG32(R_000300_VGA_RENDER_CONTROL, 154 RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL); 155 } 156 157 static void rv515_gpu_init(struct radeon_device *rdev) 158 { 159 unsigned pipe_select_current, gb_pipe_select, tmp; 160 161 if (r100_gui_wait_for_idle(rdev)) { 162 pr_warn("Failed to wait GUI idle while resetting GPU. Bad things might happen.\n"); 163 } 164 rv515_vga_render_disable(rdev); 165 r420_pipes_init(rdev); 166 gb_pipe_select = RREG32(R400_GB_PIPE_SELECT); 167 tmp = RREG32(R300_DST_PIPE_CONFIG); 168 pipe_select_current = (tmp >> 2) & 3; 169 tmp = (1 << pipe_select_current) | 170 (((gb_pipe_select >> 8) & 0xF) << 4); 171 WREG32_PLL(0x000D, tmp); 172 if (r100_gui_wait_for_idle(rdev)) { 173 pr_warn("Failed to wait GUI idle while resetting GPU. Bad things might happen.\n"); 174 } 175 if (rv515_mc_wait_for_idle(rdev)) { 176 pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n"); 177 } 178 } 179 180 static void rv515_vram_get_type(struct radeon_device *rdev) 181 { 182 uint32_t tmp; 183 184 rdev->mc.vram_width = 128; 185 rdev->mc.vram_is_ddr = true; 186 tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK; 187 switch (tmp) { 188 case 0: 189 rdev->mc.vram_width = 64; 190 break; 191 case 1: 192 rdev->mc.vram_width = 128; 193 break; 194 default: 195 rdev->mc.vram_width = 128; 196 break; 197 } 198 } 199 200 static void rv515_mc_init(struct radeon_device *rdev) 201 { 202 203 rv515_vram_get_type(rdev); 204 r100_vram_init_sizes(rdev); 205 radeon_vram_location(rdev, &rdev->mc, 0); 206 rdev->mc.gtt_base_align = 0; 207 if (!(rdev->flags & RADEON_IS_AGP)) 208 radeon_gtt_location(rdev, &rdev->mc); 209 radeon_update_bandwidth_info(rdev); 210 } 211 212 uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg) 213 { 214 unsigned long flags; 215 uint32_t r; 216 217 spin_lock_irqsave(&rdev->mc_idx_lock, flags); 218 WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff)); 219 r = RREG32(MC_IND_DATA); 220 WREG32(MC_IND_INDEX, 0); 221 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); 222 223 return r; 224 } 225 226 void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) 227 { 228 unsigned long flags; 229 230 spin_lock_irqsave(&rdev->mc_idx_lock, flags); 231 WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff)); 232 WREG32(MC_IND_DATA, (v)); 233 WREG32(MC_IND_INDEX, 0); 234 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); 235 } 236 237 #if defined(CONFIG_DEBUG_FS) 238 static int rv515_debugfs_pipes_info(struct seq_file *m, void *data) 239 { 240 struct drm_info_node *node = (struct drm_info_node *) m->private; 241 struct drm_device *dev = node->minor->dev; 242 struct radeon_device *rdev = dev->dev_private; 243 uint32_t tmp; 244 245 tmp = RREG32(GB_PIPE_SELECT); 246 seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp); 247 tmp = RREG32(SU_REG_DEST); 248 seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp); 249 tmp = RREG32(GB_TILE_CONFIG); 250 seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp); 251 tmp = RREG32(DST_PIPE_CONFIG); 252 seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp); 253 return 0; 254 } 255 256 static int rv515_debugfs_ga_info(struct seq_file *m, void *data) 257 { 258 struct drm_info_node *node = (struct drm_info_node *) m->private; 259 struct drm_device *dev = node->minor->dev; 260 struct radeon_device *rdev = dev->dev_private; 261 uint32_t tmp; 262 263 tmp = RREG32(0x2140); 264 seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp); 265 radeon_asic_reset(rdev); 266 tmp = RREG32(0x425C); 267 seq_printf(m, "GA_IDLE 0x%08x\n", tmp); 268 return 0; 269 } 270 271 static struct drm_info_list rv515_pipes_info_list[] = { 272 {"rv515_pipes_info", rv515_debugfs_pipes_info, 0, NULL}, 273 }; 274 275 static struct drm_info_list rv515_ga_info_list[] = { 276 {"rv515_ga_info", rv515_debugfs_ga_info, 0, NULL}, 277 }; 278 #endif 279 280 static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev) 281 { 282 #if defined(CONFIG_DEBUG_FS) 283 return radeon_debugfs_add_files(rdev, rv515_pipes_info_list, 1); 284 #else 285 return 0; 286 #endif 287 } 288 289 static int rv515_debugfs_ga_info_init(struct radeon_device *rdev) 290 { 291 #if defined(CONFIG_DEBUG_FS) 292 return radeon_debugfs_add_files(rdev, rv515_ga_info_list, 1); 293 #else 294 return 0; 295 #endif 296 } 297 298 void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save) 299 { 300 u32 crtc_enabled, tmp, frame_count, blackout; 301 int i, j; 302 303 save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL); 304 save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL); 305 306 /* disable VGA render */ 307 WREG32(R_000300_VGA_RENDER_CONTROL, 0); 308 /* blank the display controllers */ 309 for (i = 0; i < rdev->num_crtc; i++) { 310 crtc_enabled = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN; 311 if (crtc_enabled) { 312 save->crtc_enabled[i] = true; 313 tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]); 314 if (!(tmp & AVIVO_CRTC_DISP_READ_REQUEST_DISABLE)) { 315 radeon_wait_for_vblank(rdev, i); 316 WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1); 317 tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE; 318 WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp); 319 WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0); 320 } 321 /* wait for the next frame */ 322 frame_count = radeon_get_vblank_counter(rdev, i); 323 for (j = 0; j < rdev->usec_timeout; j++) { 324 if (radeon_get_vblank_counter(rdev, i) != frame_count) 325 break; 326 udelay(1); 327 } 328 329 /* XXX this is a hack to avoid strange behavior with EFI on certain systems */ 330 WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1); 331 tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]); 332 tmp &= ~AVIVO_CRTC_EN; 333 WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp); 334 WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0); 335 save->crtc_enabled[i] = false; 336 /* ***** */ 337 } else { 338 save->crtc_enabled[i] = false; 339 } 340 } 341 342 radeon_mc_wait_for_idle(rdev); 343 344 if (rdev->family >= CHIP_R600) { 345 if (rdev->family >= CHIP_RV770) 346 blackout = RREG32(R700_MC_CITF_CNTL); 347 else 348 blackout = RREG32(R600_CITF_CNTL); 349 if ((blackout & R600_BLACKOUT_MASK) != R600_BLACKOUT_MASK) { 350 /* Block CPU access */ 351 WREG32(R600_BIF_FB_EN, 0); 352 /* blackout the MC */ 353 blackout |= R600_BLACKOUT_MASK; 354 if (rdev->family >= CHIP_RV770) 355 WREG32(R700_MC_CITF_CNTL, blackout); 356 else 357 WREG32(R600_CITF_CNTL, blackout); 358 } 359 } 360 /* wait for the MC to settle */ 361 udelay(100); 362 363 /* lock double buffered regs */ 364 for (i = 0; i < rdev->num_crtc; i++) { 365 if (save->crtc_enabled[i]) { 366 tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]); 367 if (!(tmp & AVIVO_D1GRPH_UPDATE_LOCK)) { 368 tmp |= AVIVO_D1GRPH_UPDATE_LOCK; 369 WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp); 370 } 371 tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]); 372 if (!(tmp & 1)) { 373 tmp |= 1; 374 WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp); 375 } 376 } 377 } 378 } 379 380 void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save) 381 { 382 u32 tmp, frame_count; 383 int i, j; 384 385 /* update crtc base addresses */ 386 for (i = 0; i < rdev->num_crtc; i++) { 387 if (rdev->family >= CHIP_RV770) { 388 if (i == 0) { 389 WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, 390 upper_32_bits(rdev->mc.vram_start)); 391 WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, 392 upper_32_bits(rdev->mc.vram_start)); 393 } else { 394 WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, 395 upper_32_bits(rdev->mc.vram_start)); 396 WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, 397 upper_32_bits(rdev->mc.vram_start)); 398 } 399 } 400 WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i], 401 (u32)rdev->mc.vram_start); 402 WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i], 403 (u32)rdev->mc.vram_start); 404 } 405 WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start); 406 407 /* unlock regs and wait for update */ 408 for (i = 0; i < rdev->num_crtc; i++) { 409 if (save->crtc_enabled[i]) { 410 tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i]); 411 if ((tmp & 0x7) != 3) { 412 tmp &= ~0x7; 413 tmp |= 0x3; 414 WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i], tmp); 415 } 416 tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]); 417 if (tmp & AVIVO_D1GRPH_UPDATE_LOCK) { 418 tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK; 419 WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp); 420 } 421 tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]); 422 if (tmp & 1) { 423 tmp &= ~1; 424 WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp); 425 } 426 for (j = 0; j < rdev->usec_timeout; j++) { 427 tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]); 428 if ((tmp & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) == 0) 429 break; 430 udelay(1); 431 } 432 } 433 } 434 435 if (rdev->family >= CHIP_R600) { 436 /* unblackout the MC */ 437 if (rdev->family >= CHIP_RV770) 438 tmp = RREG32(R700_MC_CITF_CNTL); 439 else 440 tmp = RREG32(R600_CITF_CNTL); 441 tmp &= ~R600_BLACKOUT_MASK; 442 if (rdev->family >= CHIP_RV770) 443 WREG32(R700_MC_CITF_CNTL, tmp); 444 else 445 WREG32(R600_CITF_CNTL, tmp); 446 /* allow CPU access */ 447 WREG32(R600_BIF_FB_EN, R600_FB_READ_EN | R600_FB_WRITE_EN); 448 } 449 450 for (i = 0; i < rdev->num_crtc; i++) { 451 if (save->crtc_enabled[i]) { 452 tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]); 453 tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE; 454 WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp); 455 /* wait for the next frame */ 456 frame_count = radeon_get_vblank_counter(rdev, i); 457 for (j = 0; j < rdev->usec_timeout; j++) { 458 if (radeon_get_vblank_counter(rdev, i) != frame_count) 459 break; 460 udelay(1); 461 } 462 } 463 } 464 /* Unlock vga access */ 465 WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control); 466 mdelay(1); 467 WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control); 468 } 469 470 static void rv515_mc_program(struct radeon_device *rdev) 471 { 472 struct rv515_mc_save save; 473 474 /* Stops all mc clients */ 475 rv515_mc_stop(rdev, &save); 476 477 /* Wait for mc idle */ 478 if (rv515_mc_wait_for_idle(rdev)) 479 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n"); 480 /* Write VRAM size in case we are limiting it */ 481 WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size); 482 /* Program MC, should be a 32bits limited address space */ 483 WREG32_MC(R_000001_MC_FB_LOCATION, 484 S_000001_MC_FB_START(rdev->mc.vram_start >> 16) | 485 S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16)); 486 WREG32(R_000134_HDP_FB_LOCATION, 487 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16)); 488 if (rdev->flags & RADEON_IS_AGP) { 489 WREG32_MC(R_000002_MC_AGP_LOCATION, 490 S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) | 491 S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16)); 492 WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base)); 493 WREG32_MC(R_000004_MC_AGP_BASE_2, 494 S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base))); 495 } else { 496 WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF); 497 WREG32_MC(R_000003_MC_AGP_BASE, 0); 498 WREG32_MC(R_000004_MC_AGP_BASE_2, 0); 499 } 500 501 rv515_mc_resume(rdev, &save); 502 } 503 504 void rv515_clock_startup(struct radeon_device *rdev) 505 { 506 if (radeon_dynclks != -1 && radeon_dynclks) 507 radeon_atom_set_clock_gating(rdev, 1); 508 /* We need to force on some of the block */ 509 WREG32_PLL(R_00000F_CP_DYN_CNTL, 510 RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1)); 511 WREG32_PLL(R_000011_E2_DYN_CNTL, 512 RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1)); 513 WREG32_PLL(R_000013_IDCT_DYN_CNTL, 514 RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1)); 515 } 516 517 static int rv515_startup(struct radeon_device *rdev) 518 { 519 int r; 520 521 rv515_mc_program(rdev); 522 /* Resume clock */ 523 rv515_clock_startup(rdev); 524 /* Initialize GPU configuration (# pipes, ...) */ 525 rv515_gpu_init(rdev); 526 /* Initialize GART (initialize after TTM so we can allocate 527 * memory through TTM but finalize after TTM) */ 528 if (rdev->flags & RADEON_IS_PCIE) { 529 r = rv370_pcie_gart_enable(rdev); 530 if (r) 531 return r; 532 } 533 534 /* allocate wb buffer */ 535 r = radeon_wb_init(rdev); 536 if (r) 537 return r; 538 539 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 540 if (r) { 541 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 542 return r; 543 } 544 545 /* Enable IRQ */ 546 if (!rdev->irq.installed) { 547 r = radeon_irq_kms_init(rdev); 548 if (r) 549 return r; 550 } 551 552 rs600_irq_set(rdev); 553 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL); 554 /* 1M ring buffer */ 555 r = r100_cp_init(rdev, 1024 * 1024); 556 if (r) { 557 dev_err(rdev->dev, "failed initializing CP (%d).\n", r); 558 return r; 559 } 560 561 r = radeon_ib_pool_init(rdev); 562 if (r) { 563 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 564 return r; 565 } 566 567 return 0; 568 } 569 570 int rv515_resume(struct radeon_device *rdev) 571 { 572 int r; 573 574 /* Make sur GART are not working */ 575 if (rdev->flags & RADEON_IS_PCIE) 576 rv370_pcie_gart_disable(rdev); 577 /* Resume clock before doing reset */ 578 rv515_clock_startup(rdev); 579 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 580 if (radeon_asic_reset(rdev)) { 581 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 582 RREG32(R_000E40_RBBM_STATUS), 583 RREG32(R_0007C0_CP_STAT)); 584 } 585 /* post */ 586 atom_asic_init(rdev->mode_info.atom_context); 587 /* Resume clock after posting */ 588 rv515_clock_startup(rdev); 589 /* Initialize surface registers */ 590 radeon_surface_init(rdev); 591 592 rdev->accel_working = true; 593 r = rv515_startup(rdev); 594 if (r) { 595 rdev->accel_working = false; 596 } 597 return r; 598 } 599 600 int rv515_suspend(struct radeon_device *rdev) 601 { 602 radeon_pm_suspend(rdev); 603 r100_cp_disable(rdev); 604 radeon_wb_disable(rdev); 605 rs600_irq_disable(rdev); 606 if (rdev->flags & RADEON_IS_PCIE) 607 rv370_pcie_gart_disable(rdev); 608 return 0; 609 } 610 611 void rv515_set_safe_registers(struct radeon_device *rdev) 612 { 613 rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm; 614 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm); 615 } 616 617 void rv515_fini(struct radeon_device *rdev) 618 { 619 radeon_pm_fini(rdev); 620 r100_cp_fini(rdev); 621 radeon_wb_fini(rdev); 622 radeon_ib_pool_fini(rdev); 623 radeon_gem_fini(rdev); 624 rv370_pcie_gart_fini(rdev); 625 radeon_agp_fini(rdev); 626 radeon_irq_kms_fini(rdev); 627 radeon_fence_driver_fini(rdev); 628 radeon_bo_fini(rdev); 629 radeon_atombios_fini(rdev); 630 kfree(rdev->bios); 631 rdev->bios = NULL; 632 } 633 634 int rv515_init(struct radeon_device *rdev) 635 { 636 int r; 637 638 /* Initialize scratch registers */ 639 radeon_scratch_init(rdev); 640 /* Initialize surface registers */ 641 radeon_surface_init(rdev); 642 /* TODO: disable VGA need to use VGA request */ 643 /* restore some register to sane defaults */ 644 r100_restore_sanity(rdev); 645 /* BIOS*/ 646 if (!radeon_get_bios(rdev)) { 647 if (ASIC_IS_AVIVO(rdev)) 648 return -EINVAL; 649 } 650 if (rdev->is_atom_bios) { 651 r = radeon_atombios_init(rdev); 652 if (r) 653 return r; 654 } else { 655 dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n"); 656 return -EINVAL; 657 } 658 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 659 if (radeon_asic_reset(rdev)) { 660 dev_warn(rdev->dev, 661 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 662 RREG32(R_000E40_RBBM_STATUS), 663 RREG32(R_0007C0_CP_STAT)); 664 } 665 /* check if cards are posted or not */ 666 if (radeon_boot_test_post_card(rdev) == false) 667 return -EINVAL; 668 /* Initialize clocks */ 669 radeon_get_clock_info(rdev->ddev); 670 /* initialize AGP */ 671 if (rdev->flags & RADEON_IS_AGP) { 672 r = radeon_agp_init(rdev); 673 if (r) { 674 radeon_agp_disable(rdev); 675 } 676 } 677 /* initialize memory controller */ 678 rv515_mc_init(rdev); 679 rv515_debugfs(rdev); 680 /* Fence driver */ 681 r = radeon_fence_driver_init(rdev); 682 if (r) 683 return r; 684 /* Memory manager */ 685 r = radeon_bo_init(rdev); 686 if (r) 687 return r; 688 r = rv370_pcie_gart_init(rdev); 689 if (r) 690 return r; 691 rv515_set_safe_registers(rdev); 692 693 /* Initialize power management */ 694 radeon_pm_init(rdev); 695 696 rdev->accel_working = true; 697 r = rv515_startup(rdev); 698 if (r) { 699 /* Somethings want wront with the accel init stop accel */ 700 dev_err(rdev->dev, "Disabling GPU acceleration\n"); 701 r100_cp_fini(rdev); 702 radeon_wb_fini(rdev); 703 radeon_ib_pool_fini(rdev); 704 radeon_irq_kms_fini(rdev); 705 rv370_pcie_gart_fini(rdev); 706 radeon_agp_fini(rdev); 707 rdev->accel_working = false; 708 } 709 return 0; 710 } 711 712 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc) 713 { 714 int index_reg = 0x6578 + crtc->crtc_offset; 715 int data_reg = 0x657c + crtc->crtc_offset; 716 717 WREG32(0x659C + crtc->crtc_offset, 0x0); 718 WREG32(0x6594 + crtc->crtc_offset, 0x705); 719 WREG32(0x65A4 + crtc->crtc_offset, 0x10001); 720 WREG32(0x65D8 + crtc->crtc_offset, 0x0); 721 WREG32(0x65B0 + crtc->crtc_offset, 0x0); 722 WREG32(0x65C0 + crtc->crtc_offset, 0x0); 723 WREG32(0x65D4 + crtc->crtc_offset, 0x0); 724 WREG32(index_reg, 0x0); 725 WREG32(data_reg, 0x841880A8); 726 WREG32(index_reg, 0x1); 727 WREG32(data_reg, 0x84208680); 728 WREG32(index_reg, 0x2); 729 WREG32(data_reg, 0xBFF880B0); 730 WREG32(index_reg, 0x100); 731 WREG32(data_reg, 0x83D88088); 732 WREG32(index_reg, 0x101); 733 WREG32(data_reg, 0x84608680); 734 WREG32(index_reg, 0x102); 735 WREG32(data_reg, 0xBFF080D0); 736 WREG32(index_reg, 0x200); 737 WREG32(data_reg, 0x83988068); 738 WREG32(index_reg, 0x201); 739 WREG32(data_reg, 0x84A08680); 740 WREG32(index_reg, 0x202); 741 WREG32(data_reg, 0xBFF080F8); 742 WREG32(index_reg, 0x300); 743 WREG32(data_reg, 0x83588058); 744 WREG32(index_reg, 0x301); 745 WREG32(data_reg, 0x84E08660); 746 WREG32(index_reg, 0x302); 747 WREG32(data_reg, 0xBFF88120); 748 WREG32(index_reg, 0x400); 749 WREG32(data_reg, 0x83188040); 750 WREG32(index_reg, 0x401); 751 WREG32(data_reg, 0x85008660); 752 WREG32(index_reg, 0x402); 753 WREG32(data_reg, 0xBFF88150); 754 WREG32(index_reg, 0x500); 755 WREG32(data_reg, 0x82D88030); 756 WREG32(index_reg, 0x501); 757 WREG32(data_reg, 0x85408640); 758 WREG32(index_reg, 0x502); 759 WREG32(data_reg, 0xBFF88180); 760 WREG32(index_reg, 0x600); 761 WREG32(data_reg, 0x82A08018); 762 WREG32(index_reg, 0x601); 763 WREG32(data_reg, 0x85808620); 764 WREG32(index_reg, 0x602); 765 WREG32(data_reg, 0xBFF081B8); 766 WREG32(index_reg, 0x700); 767 WREG32(data_reg, 0x82608010); 768 WREG32(index_reg, 0x701); 769 WREG32(data_reg, 0x85A08600); 770 WREG32(index_reg, 0x702); 771 WREG32(data_reg, 0x800081F0); 772 WREG32(index_reg, 0x800); 773 WREG32(data_reg, 0x8228BFF8); 774 WREG32(index_reg, 0x801); 775 WREG32(data_reg, 0x85E085E0); 776 WREG32(index_reg, 0x802); 777 WREG32(data_reg, 0xBFF88228); 778 WREG32(index_reg, 0x10000); 779 WREG32(data_reg, 0x82A8BF00); 780 WREG32(index_reg, 0x10001); 781 WREG32(data_reg, 0x82A08CC0); 782 WREG32(index_reg, 0x10002); 783 WREG32(data_reg, 0x8008BEF8); 784 WREG32(index_reg, 0x10100); 785 WREG32(data_reg, 0x81F0BF28); 786 WREG32(index_reg, 0x10101); 787 WREG32(data_reg, 0x83608CA0); 788 WREG32(index_reg, 0x10102); 789 WREG32(data_reg, 0x8018BED0); 790 WREG32(index_reg, 0x10200); 791 WREG32(data_reg, 0x8148BF38); 792 WREG32(index_reg, 0x10201); 793 WREG32(data_reg, 0x84408C80); 794 WREG32(index_reg, 0x10202); 795 WREG32(data_reg, 0x8008BEB8); 796 WREG32(index_reg, 0x10300); 797 WREG32(data_reg, 0x80B0BF78); 798 WREG32(index_reg, 0x10301); 799 WREG32(data_reg, 0x85008C20); 800 WREG32(index_reg, 0x10302); 801 WREG32(data_reg, 0x8020BEA0); 802 WREG32(index_reg, 0x10400); 803 WREG32(data_reg, 0x8028BF90); 804 WREG32(index_reg, 0x10401); 805 WREG32(data_reg, 0x85E08BC0); 806 WREG32(index_reg, 0x10402); 807 WREG32(data_reg, 0x8018BE90); 808 WREG32(index_reg, 0x10500); 809 WREG32(data_reg, 0xBFB8BFB0); 810 WREG32(index_reg, 0x10501); 811 WREG32(data_reg, 0x86C08B40); 812 WREG32(index_reg, 0x10502); 813 WREG32(data_reg, 0x8010BE90); 814 WREG32(index_reg, 0x10600); 815 WREG32(data_reg, 0xBF58BFC8); 816 WREG32(index_reg, 0x10601); 817 WREG32(data_reg, 0x87A08AA0); 818 WREG32(index_reg, 0x10602); 819 WREG32(data_reg, 0x8010BE98); 820 WREG32(index_reg, 0x10700); 821 WREG32(data_reg, 0xBF10BFF0); 822 WREG32(index_reg, 0x10701); 823 WREG32(data_reg, 0x886089E0); 824 WREG32(index_reg, 0x10702); 825 WREG32(data_reg, 0x8018BEB0); 826 WREG32(index_reg, 0x10800); 827 WREG32(data_reg, 0xBED8BFE8); 828 WREG32(index_reg, 0x10801); 829 WREG32(data_reg, 0x89408940); 830 WREG32(index_reg, 0x10802); 831 WREG32(data_reg, 0xBFE8BED8); 832 WREG32(index_reg, 0x20000); 833 WREG32(data_reg, 0x80008000); 834 WREG32(index_reg, 0x20001); 835 WREG32(data_reg, 0x90008000); 836 WREG32(index_reg, 0x20002); 837 WREG32(data_reg, 0x80008000); 838 WREG32(index_reg, 0x20003); 839 WREG32(data_reg, 0x80008000); 840 WREG32(index_reg, 0x20100); 841 WREG32(data_reg, 0x80108000); 842 WREG32(index_reg, 0x20101); 843 WREG32(data_reg, 0x8FE0BF70); 844 WREG32(index_reg, 0x20102); 845 WREG32(data_reg, 0xBFE880C0); 846 WREG32(index_reg, 0x20103); 847 WREG32(data_reg, 0x80008000); 848 WREG32(index_reg, 0x20200); 849 WREG32(data_reg, 0x8018BFF8); 850 WREG32(index_reg, 0x20201); 851 WREG32(data_reg, 0x8F80BF08); 852 WREG32(index_reg, 0x20202); 853 WREG32(data_reg, 0xBFD081A0); 854 WREG32(index_reg, 0x20203); 855 WREG32(data_reg, 0xBFF88000); 856 WREG32(index_reg, 0x20300); 857 WREG32(data_reg, 0x80188000); 858 WREG32(index_reg, 0x20301); 859 WREG32(data_reg, 0x8EE0BEC0); 860 WREG32(index_reg, 0x20302); 861 WREG32(data_reg, 0xBFB082A0); 862 WREG32(index_reg, 0x20303); 863 WREG32(data_reg, 0x80008000); 864 WREG32(index_reg, 0x20400); 865 WREG32(data_reg, 0x80188000); 866 WREG32(index_reg, 0x20401); 867 WREG32(data_reg, 0x8E00BEA0); 868 WREG32(index_reg, 0x20402); 869 WREG32(data_reg, 0xBF8883C0); 870 WREG32(index_reg, 0x20403); 871 WREG32(data_reg, 0x80008000); 872 WREG32(index_reg, 0x20500); 873 WREG32(data_reg, 0x80188000); 874 WREG32(index_reg, 0x20501); 875 WREG32(data_reg, 0x8D00BE90); 876 WREG32(index_reg, 0x20502); 877 WREG32(data_reg, 0xBF588500); 878 WREG32(index_reg, 0x20503); 879 WREG32(data_reg, 0x80008008); 880 WREG32(index_reg, 0x20600); 881 WREG32(data_reg, 0x80188000); 882 WREG32(index_reg, 0x20601); 883 WREG32(data_reg, 0x8BC0BE98); 884 WREG32(index_reg, 0x20602); 885 WREG32(data_reg, 0xBF308660); 886 WREG32(index_reg, 0x20603); 887 WREG32(data_reg, 0x80008008); 888 WREG32(index_reg, 0x20700); 889 WREG32(data_reg, 0x80108000); 890 WREG32(index_reg, 0x20701); 891 WREG32(data_reg, 0x8A80BEB0); 892 WREG32(index_reg, 0x20702); 893 WREG32(data_reg, 0xBF0087C0); 894 WREG32(index_reg, 0x20703); 895 WREG32(data_reg, 0x80008008); 896 WREG32(index_reg, 0x20800); 897 WREG32(data_reg, 0x80108000); 898 WREG32(index_reg, 0x20801); 899 WREG32(data_reg, 0x8920BED0); 900 WREG32(index_reg, 0x20802); 901 WREG32(data_reg, 0xBED08920); 902 WREG32(index_reg, 0x20803); 903 WREG32(data_reg, 0x80008010); 904 WREG32(index_reg, 0x30000); 905 WREG32(data_reg, 0x90008000); 906 WREG32(index_reg, 0x30001); 907 WREG32(data_reg, 0x80008000); 908 WREG32(index_reg, 0x30100); 909 WREG32(data_reg, 0x8FE0BF90); 910 WREG32(index_reg, 0x30101); 911 WREG32(data_reg, 0xBFF880A0); 912 WREG32(index_reg, 0x30200); 913 WREG32(data_reg, 0x8F60BF40); 914 WREG32(index_reg, 0x30201); 915 WREG32(data_reg, 0xBFE88180); 916 WREG32(index_reg, 0x30300); 917 WREG32(data_reg, 0x8EC0BF00); 918 WREG32(index_reg, 0x30301); 919 WREG32(data_reg, 0xBFC88280); 920 WREG32(index_reg, 0x30400); 921 WREG32(data_reg, 0x8DE0BEE0); 922 WREG32(index_reg, 0x30401); 923 WREG32(data_reg, 0xBFA083A0); 924 WREG32(index_reg, 0x30500); 925 WREG32(data_reg, 0x8CE0BED0); 926 WREG32(index_reg, 0x30501); 927 WREG32(data_reg, 0xBF7884E0); 928 WREG32(index_reg, 0x30600); 929 WREG32(data_reg, 0x8BA0BED8); 930 WREG32(index_reg, 0x30601); 931 WREG32(data_reg, 0xBF508640); 932 WREG32(index_reg, 0x30700); 933 WREG32(data_reg, 0x8A60BEE8); 934 WREG32(index_reg, 0x30701); 935 WREG32(data_reg, 0xBF2087A0); 936 WREG32(index_reg, 0x30800); 937 WREG32(data_reg, 0x8900BF00); 938 WREG32(index_reg, 0x30801); 939 WREG32(data_reg, 0xBF008900); 940 } 941 942 struct rv515_watermark { 943 u32 lb_request_fifo_depth; 944 fixed20_12 num_line_pair; 945 fixed20_12 estimated_width; 946 fixed20_12 worst_case_latency; 947 fixed20_12 consumption_rate; 948 fixed20_12 active_time; 949 fixed20_12 dbpp; 950 fixed20_12 priority_mark_max; 951 fixed20_12 priority_mark; 952 fixed20_12 sclk; 953 }; 954 955 static void rv515_crtc_bandwidth_compute(struct radeon_device *rdev, 956 struct radeon_crtc *crtc, 957 struct rv515_watermark *wm, 958 bool low) 959 { 960 struct drm_display_mode *mode = &crtc->base.mode; 961 fixed20_12 a, b, c; 962 fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width; 963 fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency; 964 fixed20_12 sclk; 965 u32 selected_sclk; 966 967 if (!crtc->base.enabled) { 968 /* FIXME: wouldn't it better to set priority mark to maximum */ 969 wm->lb_request_fifo_depth = 4; 970 return; 971 } 972 973 /* rv6xx, rv7xx */ 974 if ((rdev->family >= CHIP_RV610) && 975 (rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) 976 selected_sclk = radeon_dpm_get_sclk(rdev, low); 977 else 978 selected_sclk = rdev->pm.current_sclk; 979 980 /* sclk in Mhz */ 981 a.full = dfixed_const(100); 982 sclk.full = dfixed_const(selected_sclk); 983 sclk.full = dfixed_div(sclk, a); 984 985 if (crtc->vsc.full > dfixed_const(2)) 986 wm->num_line_pair.full = dfixed_const(2); 987 else 988 wm->num_line_pair.full = dfixed_const(1); 989 990 b.full = dfixed_const(mode->crtc_hdisplay); 991 c.full = dfixed_const(256); 992 a.full = dfixed_div(b, c); 993 request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair); 994 request_fifo_depth.full = dfixed_ceil(request_fifo_depth); 995 if (a.full < dfixed_const(4)) { 996 wm->lb_request_fifo_depth = 4; 997 } else { 998 wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth); 999 } 1000 1001 /* Determine consumption rate 1002 * pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000) 1003 * vtaps = number of vertical taps, 1004 * vsc = vertical scaling ratio, defined as source/destination 1005 * hsc = horizontal scaling ration, defined as source/destination 1006 */ 1007 a.full = dfixed_const(mode->clock); 1008 b.full = dfixed_const(1000); 1009 a.full = dfixed_div(a, b); 1010 pclk.full = dfixed_div(b, a); 1011 if (crtc->rmx_type != RMX_OFF) { 1012 b.full = dfixed_const(2); 1013 if (crtc->vsc.full > b.full) 1014 b.full = crtc->vsc.full; 1015 b.full = dfixed_mul(b, crtc->hsc); 1016 c.full = dfixed_const(2); 1017 b.full = dfixed_div(b, c); 1018 consumption_time.full = dfixed_div(pclk, b); 1019 } else { 1020 consumption_time.full = pclk.full; 1021 } 1022 a.full = dfixed_const(1); 1023 wm->consumption_rate.full = dfixed_div(a, consumption_time); 1024 1025 1026 /* Determine line time 1027 * LineTime = total time for one line of displayhtotal 1028 * LineTime = total number of horizontal pixels 1029 * pclk = pixel clock period(ns) 1030 */ 1031 a.full = dfixed_const(crtc->base.mode.crtc_htotal); 1032 line_time.full = dfixed_mul(a, pclk); 1033 1034 /* Determine active time 1035 * ActiveTime = time of active region of display within one line, 1036 * hactive = total number of horizontal active pixels 1037 * htotal = total number of horizontal pixels 1038 */ 1039 a.full = dfixed_const(crtc->base.mode.crtc_htotal); 1040 b.full = dfixed_const(crtc->base.mode.crtc_hdisplay); 1041 wm->active_time.full = dfixed_mul(line_time, b); 1042 wm->active_time.full = dfixed_div(wm->active_time, a); 1043 1044 /* Determine chunk time 1045 * ChunkTime = the time it takes the DCP to send one chunk of data 1046 * to the LB which consists of pipeline delay and inter chunk gap 1047 * sclk = system clock(Mhz) 1048 */ 1049 a.full = dfixed_const(600 * 1000); 1050 chunk_time.full = dfixed_div(a, sclk); 1051 read_delay_latency.full = dfixed_const(1000); 1052 1053 /* Determine the worst case latency 1054 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines) 1055 * WorstCaseLatency = worst case time from urgent to when the MC starts 1056 * to return data 1057 * READ_DELAY_IDLE_MAX = constant of 1us 1058 * ChunkTime = time it takes the DCP to send one chunk of data to the LB 1059 * which consists of pipeline delay and inter chunk gap 1060 */ 1061 if (dfixed_trunc(wm->num_line_pair) > 1) { 1062 a.full = dfixed_const(3); 1063 wm->worst_case_latency.full = dfixed_mul(a, chunk_time); 1064 wm->worst_case_latency.full += read_delay_latency.full; 1065 } else { 1066 wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full; 1067 } 1068 1069 /* Determine the tolerable latency 1070 * TolerableLatency = Any given request has only 1 line time 1071 * for the data to be returned 1072 * LBRequestFifoDepth = Number of chunk requests the LB can 1073 * put into the request FIFO for a display 1074 * LineTime = total time for one line of display 1075 * ChunkTime = the time it takes the DCP to send one chunk 1076 * of data to the LB which consists of 1077 * pipeline delay and inter chunk gap 1078 */ 1079 if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) { 1080 tolerable_latency.full = line_time.full; 1081 } else { 1082 tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2); 1083 tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full; 1084 tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time); 1085 tolerable_latency.full = line_time.full - tolerable_latency.full; 1086 } 1087 /* We assume worst case 32bits (4 bytes) */ 1088 wm->dbpp.full = dfixed_const(2 * 16); 1089 1090 /* Determine the maximum priority mark 1091 * width = viewport width in pixels 1092 */ 1093 a.full = dfixed_const(16); 1094 wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay); 1095 wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a); 1096 wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max); 1097 1098 /* Determine estimated width */ 1099 estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full; 1100 estimated_width.full = dfixed_div(estimated_width, consumption_time); 1101 if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) { 1102 wm->priority_mark.full = wm->priority_mark_max.full; 1103 } else { 1104 a.full = dfixed_const(16); 1105 wm->priority_mark.full = dfixed_div(estimated_width, a); 1106 wm->priority_mark.full = dfixed_ceil(wm->priority_mark); 1107 wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full; 1108 } 1109 } 1110 1111 static void rv515_compute_mode_priority(struct radeon_device *rdev, 1112 struct rv515_watermark *wm0, 1113 struct rv515_watermark *wm1, 1114 struct drm_display_mode *mode0, 1115 struct drm_display_mode *mode1, 1116 u32 *d1mode_priority_a_cnt, 1117 u32 *d2mode_priority_a_cnt) 1118 { 1119 fixed20_12 priority_mark02, priority_mark12, fill_rate; 1120 fixed20_12 a, b; 1121 1122 *d1mode_priority_a_cnt = MODE_PRIORITY_OFF; 1123 *d2mode_priority_a_cnt = MODE_PRIORITY_OFF; 1124 1125 if (mode0 && mode1) { 1126 if (dfixed_trunc(wm0->dbpp) > 64) 1127 a.full = dfixed_div(wm0->dbpp, wm0->num_line_pair); 1128 else 1129 a.full = wm0->num_line_pair.full; 1130 if (dfixed_trunc(wm1->dbpp) > 64) 1131 b.full = dfixed_div(wm1->dbpp, wm1->num_line_pair); 1132 else 1133 b.full = wm1->num_line_pair.full; 1134 a.full += b.full; 1135 fill_rate.full = dfixed_div(wm0->sclk, a); 1136 if (wm0->consumption_rate.full > fill_rate.full) { 1137 b.full = wm0->consumption_rate.full - fill_rate.full; 1138 b.full = dfixed_mul(b, wm0->active_time); 1139 a.full = dfixed_const(16); 1140 b.full = dfixed_div(b, a); 1141 a.full = dfixed_mul(wm0->worst_case_latency, 1142 wm0->consumption_rate); 1143 priority_mark02.full = a.full + b.full; 1144 } else { 1145 a.full = dfixed_mul(wm0->worst_case_latency, 1146 wm0->consumption_rate); 1147 b.full = dfixed_const(16 * 1000); 1148 priority_mark02.full = dfixed_div(a, b); 1149 } 1150 if (wm1->consumption_rate.full > fill_rate.full) { 1151 b.full = wm1->consumption_rate.full - fill_rate.full; 1152 b.full = dfixed_mul(b, wm1->active_time); 1153 a.full = dfixed_const(16); 1154 b.full = dfixed_div(b, a); 1155 a.full = dfixed_mul(wm1->worst_case_latency, 1156 wm1->consumption_rate); 1157 priority_mark12.full = a.full + b.full; 1158 } else { 1159 a.full = dfixed_mul(wm1->worst_case_latency, 1160 wm1->consumption_rate); 1161 b.full = dfixed_const(16 * 1000); 1162 priority_mark12.full = dfixed_div(a, b); 1163 } 1164 if (wm0->priority_mark.full > priority_mark02.full) 1165 priority_mark02.full = wm0->priority_mark.full; 1166 if (wm0->priority_mark_max.full > priority_mark02.full) 1167 priority_mark02.full = wm0->priority_mark_max.full; 1168 if (wm1->priority_mark.full > priority_mark12.full) 1169 priority_mark12.full = wm1->priority_mark.full; 1170 if (wm1->priority_mark_max.full > priority_mark12.full) 1171 priority_mark12.full = wm1->priority_mark_max.full; 1172 *d1mode_priority_a_cnt = dfixed_trunc(priority_mark02); 1173 *d2mode_priority_a_cnt = dfixed_trunc(priority_mark12); 1174 if (rdev->disp_priority == 2) { 1175 *d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON; 1176 *d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON; 1177 } 1178 } else if (mode0) { 1179 if (dfixed_trunc(wm0->dbpp) > 64) 1180 a.full = dfixed_div(wm0->dbpp, wm0->num_line_pair); 1181 else 1182 a.full = wm0->num_line_pair.full; 1183 fill_rate.full = dfixed_div(wm0->sclk, a); 1184 if (wm0->consumption_rate.full > fill_rate.full) { 1185 b.full = wm0->consumption_rate.full - fill_rate.full; 1186 b.full = dfixed_mul(b, wm0->active_time); 1187 a.full = dfixed_const(16); 1188 b.full = dfixed_div(b, a); 1189 a.full = dfixed_mul(wm0->worst_case_latency, 1190 wm0->consumption_rate); 1191 priority_mark02.full = a.full + b.full; 1192 } else { 1193 a.full = dfixed_mul(wm0->worst_case_latency, 1194 wm0->consumption_rate); 1195 b.full = dfixed_const(16); 1196 priority_mark02.full = dfixed_div(a, b); 1197 } 1198 if (wm0->priority_mark.full > priority_mark02.full) 1199 priority_mark02.full = wm0->priority_mark.full; 1200 if (wm0->priority_mark_max.full > priority_mark02.full) 1201 priority_mark02.full = wm0->priority_mark_max.full; 1202 *d1mode_priority_a_cnt = dfixed_trunc(priority_mark02); 1203 if (rdev->disp_priority == 2) 1204 *d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON; 1205 } else if (mode1) { 1206 if (dfixed_trunc(wm1->dbpp) > 64) 1207 a.full = dfixed_div(wm1->dbpp, wm1->num_line_pair); 1208 else 1209 a.full = wm1->num_line_pair.full; 1210 fill_rate.full = dfixed_div(wm1->sclk, a); 1211 if (wm1->consumption_rate.full > fill_rate.full) { 1212 b.full = wm1->consumption_rate.full - fill_rate.full; 1213 b.full = dfixed_mul(b, wm1->active_time); 1214 a.full = dfixed_const(16); 1215 b.full = dfixed_div(b, a); 1216 a.full = dfixed_mul(wm1->worst_case_latency, 1217 wm1->consumption_rate); 1218 priority_mark12.full = a.full + b.full; 1219 } else { 1220 a.full = dfixed_mul(wm1->worst_case_latency, 1221 wm1->consumption_rate); 1222 b.full = dfixed_const(16 * 1000); 1223 priority_mark12.full = dfixed_div(a, b); 1224 } 1225 if (wm1->priority_mark.full > priority_mark12.full) 1226 priority_mark12.full = wm1->priority_mark.full; 1227 if (wm1->priority_mark_max.full > priority_mark12.full) 1228 priority_mark12.full = wm1->priority_mark_max.full; 1229 *d2mode_priority_a_cnt = dfixed_trunc(priority_mark12); 1230 if (rdev->disp_priority == 2) 1231 *d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON; 1232 } 1233 } 1234 1235 void rv515_bandwidth_avivo_update(struct radeon_device *rdev) 1236 { 1237 struct drm_display_mode *mode0 = NULL; 1238 struct drm_display_mode *mode1 = NULL; 1239 struct rv515_watermark wm0_high, wm0_low; 1240 struct rv515_watermark wm1_high, wm1_low; 1241 u32 tmp; 1242 u32 d1mode_priority_a_cnt, d1mode_priority_b_cnt; 1243 u32 d2mode_priority_a_cnt, d2mode_priority_b_cnt; 1244 1245 if (rdev->mode_info.crtcs[0]->base.enabled) 1246 mode0 = &rdev->mode_info.crtcs[0]->base.mode; 1247 if (rdev->mode_info.crtcs[1]->base.enabled) 1248 mode1 = &rdev->mode_info.crtcs[1]->base.mode; 1249 rs690_line_buffer_adjust(rdev, mode0, mode1); 1250 1251 rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0_high, false); 1252 rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1_high, false); 1253 1254 rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0_low, false); 1255 rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1_low, false); 1256 1257 tmp = wm0_high.lb_request_fifo_depth; 1258 tmp |= wm1_high.lb_request_fifo_depth << 16; 1259 WREG32(LB_MAX_REQ_OUTSTANDING, tmp); 1260 1261 rv515_compute_mode_priority(rdev, 1262 &wm0_high, &wm1_high, 1263 mode0, mode1, 1264 &d1mode_priority_a_cnt, &d2mode_priority_a_cnt); 1265 rv515_compute_mode_priority(rdev, 1266 &wm0_low, &wm1_low, 1267 mode0, mode1, 1268 &d1mode_priority_b_cnt, &d2mode_priority_b_cnt); 1269 1270 WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt); 1271 WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_b_cnt); 1272 WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt); 1273 WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_b_cnt); 1274 } 1275 1276 void rv515_bandwidth_update(struct radeon_device *rdev) 1277 { 1278 uint32_t tmp; 1279 struct drm_display_mode *mode0 = NULL; 1280 struct drm_display_mode *mode1 = NULL; 1281 1282 if (!rdev->mode_info.mode_config_initialized) 1283 return; 1284 1285 radeon_update_display_priority(rdev); 1286 1287 if (rdev->mode_info.crtcs[0]->base.enabled) 1288 mode0 = &rdev->mode_info.crtcs[0]->base.mode; 1289 if (rdev->mode_info.crtcs[1]->base.enabled) 1290 mode1 = &rdev->mode_info.crtcs[1]->base.mode; 1291 /* 1292 * Set display0/1 priority up in the memory controller for 1293 * modes if the user specifies HIGH for displaypriority 1294 * option. 1295 */ 1296 if ((rdev->disp_priority == 2) && 1297 (rdev->family == CHIP_RV515)) { 1298 tmp = RREG32_MC(MC_MISC_LAT_TIMER); 1299 tmp &= ~MC_DISP1R_INIT_LAT_MASK; 1300 tmp &= ~MC_DISP0R_INIT_LAT_MASK; 1301 if (mode1) 1302 tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT); 1303 if (mode0) 1304 tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT); 1305 WREG32_MC(MC_MISC_LAT_TIMER, tmp); 1306 } 1307 rv515_bandwidth_avivo_update(rdev); 1308 } 1309