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 #include <linux/seq_file.h> 29 #include "drmP.h" 30 #include "rv515d.h" 31 #include "radeon.h" 32 #include "atom.h" 33 #include "rv515_reg_safe.h" 34 35 /* This files gather functions specifics to: rv515 */ 36 int rv515_debugfs_pipes_info_init(struct radeon_device *rdev); 37 int rv515_debugfs_ga_info_init(struct radeon_device *rdev); 38 void rv515_gpu_init(struct radeon_device *rdev); 39 int rv515_mc_wait_for_idle(struct radeon_device *rdev); 40 41 void rv515_debugfs(struct radeon_device *rdev) 42 { 43 if (r100_debugfs_rbbm_init(rdev)) { 44 DRM_ERROR("Failed to register debugfs file for RBBM !\n"); 45 } 46 if (rv515_debugfs_pipes_info_init(rdev)) { 47 DRM_ERROR("Failed to register debugfs file for pipes !\n"); 48 } 49 if (rv515_debugfs_ga_info_init(rdev)) { 50 DRM_ERROR("Failed to register debugfs file for pipes !\n"); 51 } 52 } 53 54 void rv515_ring_start(struct radeon_device *rdev) 55 { 56 int r; 57 58 r = radeon_ring_lock(rdev, 64); 59 if (r) { 60 return; 61 } 62 radeon_ring_write(rdev, PACKET0(ISYNC_CNTL, 0)); 63 radeon_ring_write(rdev, 64 ISYNC_ANY2D_IDLE3D | 65 ISYNC_ANY3D_IDLE2D | 66 ISYNC_WAIT_IDLEGUI | 67 ISYNC_CPSCRATCH_IDLEGUI); 68 radeon_ring_write(rdev, PACKET0(WAIT_UNTIL, 0)); 69 radeon_ring_write(rdev, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN); 70 radeon_ring_write(rdev, PACKET0(0x170C, 0)); 71 radeon_ring_write(rdev, 1 << 31); 72 radeon_ring_write(rdev, PACKET0(GB_SELECT, 0)); 73 radeon_ring_write(rdev, 0); 74 radeon_ring_write(rdev, PACKET0(GB_ENABLE, 0)); 75 radeon_ring_write(rdev, 0); 76 radeon_ring_write(rdev, PACKET0(0x42C8, 0)); 77 radeon_ring_write(rdev, (1 << rdev->num_gb_pipes) - 1); 78 radeon_ring_write(rdev, PACKET0(VAP_INDEX_OFFSET, 0)); 79 radeon_ring_write(rdev, 0); 80 radeon_ring_write(rdev, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0)); 81 radeon_ring_write(rdev, RB3D_DC_FLUSH | RB3D_DC_FREE); 82 radeon_ring_write(rdev, PACKET0(ZB_ZCACHE_CTLSTAT, 0)); 83 radeon_ring_write(rdev, ZC_FLUSH | ZC_FREE); 84 radeon_ring_write(rdev, PACKET0(WAIT_UNTIL, 0)); 85 radeon_ring_write(rdev, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN); 86 radeon_ring_write(rdev, PACKET0(GB_AA_CONFIG, 0)); 87 radeon_ring_write(rdev, 0); 88 radeon_ring_write(rdev, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0)); 89 radeon_ring_write(rdev, RB3D_DC_FLUSH | RB3D_DC_FREE); 90 radeon_ring_write(rdev, PACKET0(ZB_ZCACHE_CTLSTAT, 0)); 91 radeon_ring_write(rdev, ZC_FLUSH | ZC_FREE); 92 radeon_ring_write(rdev, PACKET0(GB_MSPOS0, 0)); 93 radeon_ring_write(rdev, 94 ((6 << MS_X0_SHIFT) | 95 (6 << MS_Y0_SHIFT) | 96 (6 << MS_X1_SHIFT) | 97 (6 << MS_Y1_SHIFT) | 98 (6 << MS_X2_SHIFT) | 99 (6 << MS_Y2_SHIFT) | 100 (6 << MSBD0_Y_SHIFT) | 101 (6 << MSBD0_X_SHIFT))); 102 radeon_ring_write(rdev, PACKET0(GB_MSPOS1, 0)); 103 radeon_ring_write(rdev, 104 ((6 << MS_X3_SHIFT) | 105 (6 << MS_Y3_SHIFT) | 106 (6 << MS_X4_SHIFT) | 107 (6 << MS_Y4_SHIFT) | 108 (6 << MS_X5_SHIFT) | 109 (6 << MS_Y5_SHIFT) | 110 (6 << MSBD1_SHIFT))); 111 radeon_ring_write(rdev, PACKET0(GA_ENHANCE, 0)); 112 radeon_ring_write(rdev, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL); 113 radeon_ring_write(rdev, PACKET0(GA_POLY_MODE, 0)); 114 radeon_ring_write(rdev, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE); 115 radeon_ring_write(rdev, PACKET0(GA_ROUND_MODE, 0)); 116 radeon_ring_write(rdev, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST); 117 radeon_ring_write(rdev, PACKET0(0x20C8, 0)); 118 radeon_ring_write(rdev, 0); 119 radeon_ring_unlock_commit(rdev); 120 } 121 122 int rv515_mc_wait_for_idle(struct radeon_device *rdev) 123 { 124 unsigned i; 125 uint32_t tmp; 126 127 for (i = 0; i < rdev->usec_timeout; i++) { 128 /* read MC_STATUS */ 129 tmp = RREG32_MC(MC_STATUS); 130 if (tmp & MC_STATUS_IDLE) { 131 return 0; 132 } 133 DRM_UDELAY(1); 134 } 135 return -1; 136 } 137 138 void rv515_vga_render_disable(struct radeon_device *rdev) 139 { 140 WREG32(R_000300_VGA_RENDER_CONTROL, 141 RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL); 142 } 143 144 void rv515_gpu_init(struct radeon_device *rdev) 145 { 146 unsigned pipe_select_current, gb_pipe_select, tmp; 147 148 r100_hdp_reset(rdev); 149 r100_rb2d_reset(rdev); 150 151 if (r100_gui_wait_for_idle(rdev)) { 152 printk(KERN_WARNING "Failed to wait GUI idle while " 153 "reseting GPU. Bad things might happen.\n"); 154 } 155 156 rv515_vga_render_disable(rdev); 157 158 r420_pipes_init(rdev); 159 gb_pipe_select = RREG32(0x402C); 160 tmp = RREG32(0x170C); 161 pipe_select_current = (tmp >> 2) & 3; 162 tmp = (1 << pipe_select_current) | 163 (((gb_pipe_select >> 8) & 0xF) << 4); 164 WREG32_PLL(0x000D, tmp); 165 if (r100_gui_wait_for_idle(rdev)) { 166 printk(KERN_WARNING "Failed to wait GUI idle while " 167 "reseting GPU. Bad things might happen.\n"); 168 } 169 if (rv515_mc_wait_for_idle(rdev)) { 170 printk(KERN_WARNING "Failed to wait MC idle while " 171 "programming pipes. Bad things might happen.\n"); 172 } 173 } 174 175 int rv515_ga_reset(struct radeon_device *rdev) 176 { 177 uint32_t tmp; 178 bool reinit_cp; 179 int i; 180 181 reinit_cp = rdev->cp.ready; 182 rdev->cp.ready = false; 183 for (i = 0; i < rdev->usec_timeout; i++) { 184 WREG32(CP_CSQ_MODE, 0); 185 WREG32(CP_CSQ_CNTL, 0); 186 WREG32(RBBM_SOFT_RESET, 0x32005); 187 (void)RREG32(RBBM_SOFT_RESET); 188 udelay(200); 189 WREG32(RBBM_SOFT_RESET, 0); 190 /* Wait to prevent race in RBBM_STATUS */ 191 mdelay(1); 192 tmp = RREG32(RBBM_STATUS); 193 if (tmp & ((1 << 20) | (1 << 26))) { 194 DRM_ERROR("VAP & CP still busy (RBBM_STATUS=0x%08X)\n", tmp); 195 /* GA still busy soft reset it */ 196 WREG32(0x429C, 0x200); 197 WREG32(VAP_PVS_STATE_FLUSH_REG, 0); 198 WREG32(0x43E0, 0); 199 WREG32(0x43E4, 0); 200 WREG32(0x24AC, 0); 201 } 202 /* Wait to prevent race in RBBM_STATUS */ 203 mdelay(1); 204 tmp = RREG32(RBBM_STATUS); 205 if (!(tmp & ((1 << 20) | (1 << 26)))) { 206 break; 207 } 208 } 209 for (i = 0; i < rdev->usec_timeout; i++) { 210 tmp = RREG32(RBBM_STATUS); 211 if (!(tmp & ((1 << 20) | (1 << 26)))) { 212 DRM_INFO("GA reset succeed (RBBM_STATUS=0x%08X)\n", 213 tmp); 214 DRM_INFO("GA_IDLE=0x%08X\n", RREG32(0x425C)); 215 DRM_INFO("RB3D_RESET_STATUS=0x%08X\n", RREG32(0x46f0)); 216 DRM_INFO("ISYNC_CNTL=0x%08X\n", RREG32(0x1724)); 217 if (reinit_cp) { 218 return r100_cp_init(rdev, rdev->cp.ring_size); 219 } 220 return 0; 221 } 222 DRM_UDELAY(1); 223 } 224 tmp = RREG32(RBBM_STATUS); 225 DRM_ERROR("Failed to reset GA ! (RBBM_STATUS=0x%08X)\n", tmp); 226 return -1; 227 } 228 229 int rv515_gpu_reset(struct radeon_device *rdev) 230 { 231 uint32_t status; 232 233 /* reset order likely matter */ 234 status = RREG32(RBBM_STATUS); 235 /* reset HDP */ 236 r100_hdp_reset(rdev); 237 /* reset rb2d */ 238 if (status & ((1 << 17) | (1 << 18) | (1 << 27))) { 239 r100_rb2d_reset(rdev); 240 } 241 /* reset GA */ 242 if (status & ((1 << 20) | (1 << 26))) { 243 rv515_ga_reset(rdev); 244 } 245 /* reset CP */ 246 status = RREG32(RBBM_STATUS); 247 if (status & (1 << 16)) { 248 r100_cp_reset(rdev); 249 } 250 /* Check if GPU is idle */ 251 status = RREG32(RBBM_STATUS); 252 if (status & (1 << 31)) { 253 DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status); 254 return -1; 255 } 256 DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status); 257 return 0; 258 } 259 260 static void rv515_vram_get_type(struct radeon_device *rdev) 261 { 262 uint32_t tmp; 263 264 rdev->mc.vram_width = 128; 265 rdev->mc.vram_is_ddr = true; 266 tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK; 267 switch (tmp) { 268 case 0: 269 rdev->mc.vram_width = 64; 270 break; 271 case 1: 272 rdev->mc.vram_width = 128; 273 break; 274 default: 275 rdev->mc.vram_width = 128; 276 break; 277 } 278 } 279 280 void rv515_vram_info(struct radeon_device *rdev) 281 { 282 fixed20_12 a; 283 284 rv515_vram_get_type(rdev); 285 286 r100_vram_init_sizes(rdev); 287 /* FIXME: we should enforce default clock in case GPU is not in 288 * default setup 289 */ 290 a.full = rfixed_const(100); 291 rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk); 292 rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a); 293 } 294 295 uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg) 296 { 297 uint32_t r; 298 299 WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff)); 300 r = RREG32(MC_IND_DATA); 301 WREG32(MC_IND_INDEX, 0); 302 return r; 303 } 304 305 void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) 306 { 307 WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff)); 308 WREG32(MC_IND_DATA, (v)); 309 WREG32(MC_IND_INDEX, 0); 310 } 311 312 #if defined(CONFIG_DEBUG_FS) 313 static int rv515_debugfs_pipes_info(struct seq_file *m, void *data) 314 { 315 struct drm_info_node *node = (struct drm_info_node *) m->private; 316 struct drm_device *dev = node->minor->dev; 317 struct radeon_device *rdev = dev->dev_private; 318 uint32_t tmp; 319 320 tmp = RREG32(GB_PIPE_SELECT); 321 seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp); 322 tmp = RREG32(SU_REG_DEST); 323 seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp); 324 tmp = RREG32(GB_TILE_CONFIG); 325 seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp); 326 tmp = RREG32(DST_PIPE_CONFIG); 327 seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp); 328 return 0; 329 } 330 331 static int rv515_debugfs_ga_info(struct seq_file *m, void *data) 332 { 333 struct drm_info_node *node = (struct drm_info_node *) m->private; 334 struct drm_device *dev = node->minor->dev; 335 struct radeon_device *rdev = dev->dev_private; 336 uint32_t tmp; 337 338 tmp = RREG32(0x2140); 339 seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp); 340 radeon_gpu_reset(rdev); 341 tmp = RREG32(0x425C); 342 seq_printf(m, "GA_IDLE 0x%08x\n", tmp); 343 return 0; 344 } 345 346 static struct drm_info_list rv515_pipes_info_list[] = { 347 {"rv515_pipes_info", rv515_debugfs_pipes_info, 0, NULL}, 348 }; 349 350 static struct drm_info_list rv515_ga_info_list[] = { 351 {"rv515_ga_info", rv515_debugfs_ga_info, 0, NULL}, 352 }; 353 #endif 354 355 int rv515_debugfs_pipes_info_init(struct radeon_device *rdev) 356 { 357 #if defined(CONFIG_DEBUG_FS) 358 return radeon_debugfs_add_files(rdev, rv515_pipes_info_list, 1); 359 #else 360 return 0; 361 #endif 362 } 363 364 int rv515_debugfs_ga_info_init(struct radeon_device *rdev) 365 { 366 #if defined(CONFIG_DEBUG_FS) 367 return radeon_debugfs_add_files(rdev, rv515_ga_info_list, 1); 368 #else 369 return 0; 370 #endif 371 } 372 373 void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save) 374 { 375 save->d1vga_control = RREG32(R_000330_D1VGA_CONTROL); 376 save->d2vga_control = RREG32(R_000338_D2VGA_CONTROL); 377 save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL); 378 save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL); 379 save->d1crtc_control = RREG32(R_006080_D1CRTC_CONTROL); 380 save->d2crtc_control = RREG32(R_006880_D2CRTC_CONTROL); 381 382 /* Stop all video */ 383 WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0); 384 WREG32(R_000300_VGA_RENDER_CONTROL, 0); 385 WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1); 386 WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1); 387 WREG32(R_006080_D1CRTC_CONTROL, 0); 388 WREG32(R_006880_D2CRTC_CONTROL, 0); 389 WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0); 390 WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0); 391 WREG32(R_000330_D1VGA_CONTROL, 0); 392 WREG32(R_000338_D2VGA_CONTROL, 0); 393 } 394 395 void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save) 396 { 397 WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start); 398 WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start); 399 WREG32(R_006910_D2GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start); 400 WREG32(R_006918_D2GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start); 401 WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, rdev->mc.vram_start); 402 /* Unlock host access */ 403 WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control); 404 mdelay(1); 405 /* Restore video state */ 406 WREG32(R_000330_D1VGA_CONTROL, save->d1vga_control); 407 WREG32(R_000338_D2VGA_CONTROL, save->d2vga_control); 408 WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1); 409 WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1); 410 WREG32(R_006080_D1CRTC_CONTROL, save->d1crtc_control); 411 WREG32(R_006880_D2CRTC_CONTROL, save->d2crtc_control); 412 WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0); 413 WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0); 414 WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control); 415 } 416 417 void rv515_mc_program(struct radeon_device *rdev) 418 { 419 struct rv515_mc_save save; 420 421 /* Stops all mc clients */ 422 rv515_mc_stop(rdev, &save); 423 424 /* Wait for mc idle */ 425 if (rv515_mc_wait_for_idle(rdev)) 426 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n"); 427 /* Write VRAM size in case we are limiting it */ 428 WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size); 429 /* Program MC, should be a 32bits limited address space */ 430 WREG32_MC(R_000001_MC_FB_LOCATION, 431 S_000001_MC_FB_START(rdev->mc.vram_start >> 16) | 432 S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16)); 433 WREG32(R_000134_HDP_FB_LOCATION, 434 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16)); 435 if (rdev->flags & RADEON_IS_AGP) { 436 WREG32_MC(R_000002_MC_AGP_LOCATION, 437 S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) | 438 S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16)); 439 WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base)); 440 WREG32_MC(R_000004_MC_AGP_BASE_2, 441 S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base))); 442 } else { 443 WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF); 444 WREG32_MC(R_000003_MC_AGP_BASE, 0); 445 WREG32_MC(R_000004_MC_AGP_BASE_2, 0); 446 } 447 448 rv515_mc_resume(rdev, &save); 449 } 450 451 void rv515_clock_startup(struct radeon_device *rdev) 452 { 453 if (radeon_dynclks != -1 && radeon_dynclks) 454 radeon_atom_set_clock_gating(rdev, 1); 455 /* We need to force on some of the block */ 456 WREG32_PLL(R_00000F_CP_DYN_CNTL, 457 RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1)); 458 WREG32_PLL(R_000011_E2_DYN_CNTL, 459 RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1)); 460 WREG32_PLL(R_000013_IDCT_DYN_CNTL, 461 RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1)); 462 } 463 464 static int rv515_startup(struct radeon_device *rdev) 465 { 466 int r; 467 468 rv515_mc_program(rdev); 469 /* Resume clock */ 470 rv515_clock_startup(rdev); 471 /* Initialize GPU configuration (# pipes, ...) */ 472 rv515_gpu_init(rdev); 473 /* Initialize GART (initialize after TTM so we can allocate 474 * memory through TTM but finalize after TTM) */ 475 if (rdev->flags & RADEON_IS_PCIE) { 476 r = rv370_pcie_gart_enable(rdev); 477 if (r) 478 return r; 479 } 480 /* Enable IRQ */ 481 rs600_irq_set(rdev); 482 /* 1M ring buffer */ 483 r = r100_cp_init(rdev, 1024 * 1024); 484 if (r) { 485 dev_err(rdev->dev, "failled initializing CP (%d).\n", r); 486 return r; 487 } 488 r = r100_wb_init(rdev); 489 if (r) 490 dev_err(rdev->dev, "failled initializing WB (%d).\n", r); 491 r = r100_ib_init(rdev); 492 if (r) { 493 dev_err(rdev->dev, "failled initializing IB (%d).\n", r); 494 return r; 495 } 496 return 0; 497 } 498 499 int rv515_resume(struct radeon_device *rdev) 500 { 501 /* Make sur GART are not working */ 502 if (rdev->flags & RADEON_IS_PCIE) 503 rv370_pcie_gart_disable(rdev); 504 /* Resume clock before doing reset */ 505 rv515_clock_startup(rdev); 506 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 507 if (radeon_gpu_reset(rdev)) { 508 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 509 RREG32(R_000E40_RBBM_STATUS), 510 RREG32(R_0007C0_CP_STAT)); 511 } 512 /* post */ 513 atom_asic_init(rdev->mode_info.atom_context); 514 /* Resume clock after posting */ 515 rv515_clock_startup(rdev); 516 return rv515_startup(rdev); 517 } 518 519 int rv515_suspend(struct radeon_device *rdev) 520 { 521 r100_cp_disable(rdev); 522 r100_wb_disable(rdev); 523 rs600_irq_disable(rdev); 524 if (rdev->flags & RADEON_IS_PCIE) 525 rv370_pcie_gart_disable(rdev); 526 return 0; 527 } 528 529 void rv515_set_safe_registers(struct radeon_device *rdev) 530 { 531 rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm; 532 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm); 533 } 534 535 void rv515_fini(struct radeon_device *rdev) 536 { 537 rv515_suspend(rdev); 538 r100_cp_fini(rdev); 539 r100_wb_fini(rdev); 540 r100_ib_fini(rdev); 541 radeon_gem_fini(rdev); 542 rv370_pcie_gart_fini(rdev); 543 radeon_agp_fini(rdev); 544 radeon_irq_kms_fini(rdev); 545 radeon_fence_driver_fini(rdev); 546 radeon_object_fini(rdev); 547 radeon_atombios_fini(rdev); 548 kfree(rdev->bios); 549 rdev->bios = NULL; 550 } 551 552 int rv515_init(struct radeon_device *rdev) 553 { 554 int r; 555 556 /* Initialize scratch registers */ 557 radeon_scratch_init(rdev); 558 /* Initialize surface registers */ 559 radeon_surface_init(rdev); 560 /* TODO: disable VGA need to use VGA request */ 561 /* BIOS*/ 562 if (!radeon_get_bios(rdev)) { 563 if (ASIC_IS_AVIVO(rdev)) 564 return -EINVAL; 565 } 566 if (rdev->is_atom_bios) { 567 r = radeon_atombios_init(rdev); 568 if (r) 569 return r; 570 } else { 571 dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n"); 572 return -EINVAL; 573 } 574 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 575 if (radeon_gpu_reset(rdev)) { 576 dev_warn(rdev->dev, 577 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 578 RREG32(R_000E40_RBBM_STATUS), 579 RREG32(R_0007C0_CP_STAT)); 580 } 581 /* check if cards are posted or not */ 582 if (radeon_boot_test_post_card(rdev) == false) 583 return -EINVAL; 584 /* Initialize clocks */ 585 radeon_get_clock_info(rdev->ddev); 586 /* Initialize power management */ 587 radeon_pm_init(rdev); 588 /* Get vram informations */ 589 rv515_vram_info(rdev); 590 /* Initialize memory controller (also test AGP) */ 591 r = r420_mc_init(rdev); 592 if (r) 593 return r; 594 rv515_debugfs(rdev); 595 /* Fence driver */ 596 r = radeon_fence_driver_init(rdev); 597 if (r) 598 return r; 599 r = radeon_irq_kms_init(rdev); 600 if (r) 601 return r; 602 /* Memory manager */ 603 r = radeon_object_init(rdev); 604 if (r) 605 return r; 606 r = rv370_pcie_gart_init(rdev); 607 if (r) 608 return r; 609 rv515_set_safe_registers(rdev); 610 rdev->accel_working = true; 611 r = rv515_startup(rdev); 612 if (r) { 613 /* Somethings want wront with the accel init stop accel */ 614 dev_err(rdev->dev, "Disabling GPU acceleration\n"); 615 rv515_suspend(rdev); 616 r100_cp_fini(rdev); 617 r100_wb_fini(rdev); 618 r100_ib_fini(rdev); 619 rv370_pcie_gart_fini(rdev); 620 radeon_agp_fini(rdev); 621 radeon_irq_kms_fini(rdev); 622 rdev->accel_working = false; 623 } 624 return 0; 625 } 626 627 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc) 628 { 629 int index_reg = 0x6578 + crtc->crtc_offset; 630 int data_reg = 0x657c + crtc->crtc_offset; 631 632 WREG32(0x659C + crtc->crtc_offset, 0x0); 633 WREG32(0x6594 + crtc->crtc_offset, 0x705); 634 WREG32(0x65A4 + crtc->crtc_offset, 0x10001); 635 WREG32(0x65D8 + crtc->crtc_offset, 0x0); 636 WREG32(0x65B0 + crtc->crtc_offset, 0x0); 637 WREG32(0x65C0 + crtc->crtc_offset, 0x0); 638 WREG32(0x65D4 + crtc->crtc_offset, 0x0); 639 WREG32(index_reg, 0x0); 640 WREG32(data_reg, 0x841880A8); 641 WREG32(index_reg, 0x1); 642 WREG32(data_reg, 0x84208680); 643 WREG32(index_reg, 0x2); 644 WREG32(data_reg, 0xBFF880B0); 645 WREG32(index_reg, 0x100); 646 WREG32(data_reg, 0x83D88088); 647 WREG32(index_reg, 0x101); 648 WREG32(data_reg, 0x84608680); 649 WREG32(index_reg, 0x102); 650 WREG32(data_reg, 0xBFF080D0); 651 WREG32(index_reg, 0x200); 652 WREG32(data_reg, 0x83988068); 653 WREG32(index_reg, 0x201); 654 WREG32(data_reg, 0x84A08680); 655 WREG32(index_reg, 0x202); 656 WREG32(data_reg, 0xBFF080F8); 657 WREG32(index_reg, 0x300); 658 WREG32(data_reg, 0x83588058); 659 WREG32(index_reg, 0x301); 660 WREG32(data_reg, 0x84E08660); 661 WREG32(index_reg, 0x302); 662 WREG32(data_reg, 0xBFF88120); 663 WREG32(index_reg, 0x400); 664 WREG32(data_reg, 0x83188040); 665 WREG32(index_reg, 0x401); 666 WREG32(data_reg, 0x85008660); 667 WREG32(index_reg, 0x402); 668 WREG32(data_reg, 0xBFF88150); 669 WREG32(index_reg, 0x500); 670 WREG32(data_reg, 0x82D88030); 671 WREG32(index_reg, 0x501); 672 WREG32(data_reg, 0x85408640); 673 WREG32(index_reg, 0x502); 674 WREG32(data_reg, 0xBFF88180); 675 WREG32(index_reg, 0x600); 676 WREG32(data_reg, 0x82A08018); 677 WREG32(index_reg, 0x601); 678 WREG32(data_reg, 0x85808620); 679 WREG32(index_reg, 0x602); 680 WREG32(data_reg, 0xBFF081B8); 681 WREG32(index_reg, 0x700); 682 WREG32(data_reg, 0x82608010); 683 WREG32(index_reg, 0x701); 684 WREG32(data_reg, 0x85A08600); 685 WREG32(index_reg, 0x702); 686 WREG32(data_reg, 0x800081F0); 687 WREG32(index_reg, 0x800); 688 WREG32(data_reg, 0x8228BFF8); 689 WREG32(index_reg, 0x801); 690 WREG32(data_reg, 0x85E085E0); 691 WREG32(index_reg, 0x802); 692 WREG32(data_reg, 0xBFF88228); 693 WREG32(index_reg, 0x10000); 694 WREG32(data_reg, 0x82A8BF00); 695 WREG32(index_reg, 0x10001); 696 WREG32(data_reg, 0x82A08CC0); 697 WREG32(index_reg, 0x10002); 698 WREG32(data_reg, 0x8008BEF8); 699 WREG32(index_reg, 0x10100); 700 WREG32(data_reg, 0x81F0BF28); 701 WREG32(index_reg, 0x10101); 702 WREG32(data_reg, 0x83608CA0); 703 WREG32(index_reg, 0x10102); 704 WREG32(data_reg, 0x8018BED0); 705 WREG32(index_reg, 0x10200); 706 WREG32(data_reg, 0x8148BF38); 707 WREG32(index_reg, 0x10201); 708 WREG32(data_reg, 0x84408C80); 709 WREG32(index_reg, 0x10202); 710 WREG32(data_reg, 0x8008BEB8); 711 WREG32(index_reg, 0x10300); 712 WREG32(data_reg, 0x80B0BF78); 713 WREG32(index_reg, 0x10301); 714 WREG32(data_reg, 0x85008C20); 715 WREG32(index_reg, 0x10302); 716 WREG32(data_reg, 0x8020BEA0); 717 WREG32(index_reg, 0x10400); 718 WREG32(data_reg, 0x8028BF90); 719 WREG32(index_reg, 0x10401); 720 WREG32(data_reg, 0x85E08BC0); 721 WREG32(index_reg, 0x10402); 722 WREG32(data_reg, 0x8018BE90); 723 WREG32(index_reg, 0x10500); 724 WREG32(data_reg, 0xBFB8BFB0); 725 WREG32(index_reg, 0x10501); 726 WREG32(data_reg, 0x86C08B40); 727 WREG32(index_reg, 0x10502); 728 WREG32(data_reg, 0x8010BE90); 729 WREG32(index_reg, 0x10600); 730 WREG32(data_reg, 0xBF58BFC8); 731 WREG32(index_reg, 0x10601); 732 WREG32(data_reg, 0x87A08AA0); 733 WREG32(index_reg, 0x10602); 734 WREG32(data_reg, 0x8010BE98); 735 WREG32(index_reg, 0x10700); 736 WREG32(data_reg, 0xBF10BFF0); 737 WREG32(index_reg, 0x10701); 738 WREG32(data_reg, 0x886089E0); 739 WREG32(index_reg, 0x10702); 740 WREG32(data_reg, 0x8018BEB0); 741 WREG32(index_reg, 0x10800); 742 WREG32(data_reg, 0xBED8BFE8); 743 WREG32(index_reg, 0x10801); 744 WREG32(data_reg, 0x89408940); 745 WREG32(index_reg, 0x10802); 746 WREG32(data_reg, 0xBFE8BED8); 747 WREG32(index_reg, 0x20000); 748 WREG32(data_reg, 0x80008000); 749 WREG32(index_reg, 0x20001); 750 WREG32(data_reg, 0x90008000); 751 WREG32(index_reg, 0x20002); 752 WREG32(data_reg, 0x80008000); 753 WREG32(index_reg, 0x20003); 754 WREG32(data_reg, 0x80008000); 755 WREG32(index_reg, 0x20100); 756 WREG32(data_reg, 0x80108000); 757 WREG32(index_reg, 0x20101); 758 WREG32(data_reg, 0x8FE0BF70); 759 WREG32(index_reg, 0x20102); 760 WREG32(data_reg, 0xBFE880C0); 761 WREG32(index_reg, 0x20103); 762 WREG32(data_reg, 0x80008000); 763 WREG32(index_reg, 0x20200); 764 WREG32(data_reg, 0x8018BFF8); 765 WREG32(index_reg, 0x20201); 766 WREG32(data_reg, 0x8F80BF08); 767 WREG32(index_reg, 0x20202); 768 WREG32(data_reg, 0xBFD081A0); 769 WREG32(index_reg, 0x20203); 770 WREG32(data_reg, 0xBFF88000); 771 WREG32(index_reg, 0x20300); 772 WREG32(data_reg, 0x80188000); 773 WREG32(index_reg, 0x20301); 774 WREG32(data_reg, 0x8EE0BEC0); 775 WREG32(index_reg, 0x20302); 776 WREG32(data_reg, 0xBFB082A0); 777 WREG32(index_reg, 0x20303); 778 WREG32(data_reg, 0x80008000); 779 WREG32(index_reg, 0x20400); 780 WREG32(data_reg, 0x80188000); 781 WREG32(index_reg, 0x20401); 782 WREG32(data_reg, 0x8E00BEA0); 783 WREG32(index_reg, 0x20402); 784 WREG32(data_reg, 0xBF8883C0); 785 WREG32(index_reg, 0x20403); 786 WREG32(data_reg, 0x80008000); 787 WREG32(index_reg, 0x20500); 788 WREG32(data_reg, 0x80188000); 789 WREG32(index_reg, 0x20501); 790 WREG32(data_reg, 0x8D00BE90); 791 WREG32(index_reg, 0x20502); 792 WREG32(data_reg, 0xBF588500); 793 WREG32(index_reg, 0x20503); 794 WREG32(data_reg, 0x80008008); 795 WREG32(index_reg, 0x20600); 796 WREG32(data_reg, 0x80188000); 797 WREG32(index_reg, 0x20601); 798 WREG32(data_reg, 0x8BC0BE98); 799 WREG32(index_reg, 0x20602); 800 WREG32(data_reg, 0xBF308660); 801 WREG32(index_reg, 0x20603); 802 WREG32(data_reg, 0x80008008); 803 WREG32(index_reg, 0x20700); 804 WREG32(data_reg, 0x80108000); 805 WREG32(index_reg, 0x20701); 806 WREG32(data_reg, 0x8A80BEB0); 807 WREG32(index_reg, 0x20702); 808 WREG32(data_reg, 0xBF0087C0); 809 WREG32(index_reg, 0x20703); 810 WREG32(data_reg, 0x80008008); 811 WREG32(index_reg, 0x20800); 812 WREG32(data_reg, 0x80108000); 813 WREG32(index_reg, 0x20801); 814 WREG32(data_reg, 0x8920BED0); 815 WREG32(index_reg, 0x20802); 816 WREG32(data_reg, 0xBED08920); 817 WREG32(index_reg, 0x20803); 818 WREG32(data_reg, 0x80008010); 819 WREG32(index_reg, 0x30000); 820 WREG32(data_reg, 0x90008000); 821 WREG32(index_reg, 0x30001); 822 WREG32(data_reg, 0x80008000); 823 WREG32(index_reg, 0x30100); 824 WREG32(data_reg, 0x8FE0BF90); 825 WREG32(index_reg, 0x30101); 826 WREG32(data_reg, 0xBFF880A0); 827 WREG32(index_reg, 0x30200); 828 WREG32(data_reg, 0x8F60BF40); 829 WREG32(index_reg, 0x30201); 830 WREG32(data_reg, 0xBFE88180); 831 WREG32(index_reg, 0x30300); 832 WREG32(data_reg, 0x8EC0BF00); 833 WREG32(index_reg, 0x30301); 834 WREG32(data_reg, 0xBFC88280); 835 WREG32(index_reg, 0x30400); 836 WREG32(data_reg, 0x8DE0BEE0); 837 WREG32(index_reg, 0x30401); 838 WREG32(data_reg, 0xBFA083A0); 839 WREG32(index_reg, 0x30500); 840 WREG32(data_reg, 0x8CE0BED0); 841 WREG32(index_reg, 0x30501); 842 WREG32(data_reg, 0xBF7884E0); 843 WREG32(index_reg, 0x30600); 844 WREG32(data_reg, 0x8BA0BED8); 845 WREG32(index_reg, 0x30601); 846 WREG32(data_reg, 0xBF508640); 847 WREG32(index_reg, 0x30700); 848 WREG32(data_reg, 0x8A60BEE8); 849 WREG32(index_reg, 0x30701); 850 WREG32(data_reg, 0xBF2087A0); 851 WREG32(index_reg, 0x30800); 852 WREG32(data_reg, 0x8900BF00); 853 WREG32(index_reg, 0x30801); 854 WREG32(data_reg, 0xBF008900); 855 } 856 857 struct rv515_watermark { 858 u32 lb_request_fifo_depth; 859 fixed20_12 num_line_pair; 860 fixed20_12 estimated_width; 861 fixed20_12 worst_case_latency; 862 fixed20_12 consumption_rate; 863 fixed20_12 active_time; 864 fixed20_12 dbpp; 865 fixed20_12 priority_mark_max; 866 fixed20_12 priority_mark; 867 fixed20_12 sclk; 868 }; 869 870 void rv515_crtc_bandwidth_compute(struct radeon_device *rdev, 871 struct radeon_crtc *crtc, 872 struct rv515_watermark *wm) 873 { 874 struct drm_display_mode *mode = &crtc->base.mode; 875 fixed20_12 a, b, c; 876 fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width; 877 fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency; 878 879 if (!crtc->base.enabled) { 880 /* FIXME: wouldn't it better to set priority mark to maximum */ 881 wm->lb_request_fifo_depth = 4; 882 return; 883 } 884 885 if (crtc->vsc.full > rfixed_const(2)) 886 wm->num_line_pair.full = rfixed_const(2); 887 else 888 wm->num_line_pair.full = rfixed_const(1); 889 890 b.full = rfixed_const(mode->crtc_hdisplay); 891 c.full = rfixed_const(256); 892 a.full = rfixed_mul(wm->num_line_pair, b); 893 request_fifo_depth.full = rfixed_div(a, c); 894 if (a.full < rfixed_const(4)) { 895 wm->lb_request_fifo_depth = 4; 896 } else { 897 wm->lb_request_fifo_depth = rfixed_trunc(request_fifo_depth); 898 } 899 900 /* Determine consumption rate 901 * pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000) 902 * vtaps = number of vertical taps, 903 * vsc = vertical scaling ratio, defined as source/destination 904 * hsc = horizontal scaling ration, defined as source/destination 905 */ 906 a.full = rfixed_const(mode->clock); 907 b.full = rfixed_const(1000); 908 a.full = rfixed_div(a, b); 909 pclk.full = rfixed_div(b, a); 910 if (crtc->rmx_type != RMX_OFF) { 911 b.full = rfixed_const(2); 912 if (crtc->vsc.full > b.full) 913 b.full = crtc->vsc.full; 914 b.full = rfixed_mul(b, crtc->hsc); 915 c.full = rfixed_const(2); 916 b.full = rfixed_div(b, c); 917 consumption_time.full = rfixed_div(pclk, b); 918 } else { 919 consumption_time.full = pclk.full; 920 } 921 a.full = rfixed_const(1); 922 wm->consumption_rate.full = rfixed_div(a, consumption_time); 923 924 925 /* Determine line time 926 * LineTime = total time for one line of displayhtotal 927 * LineTime = total number of horizontal pixels 928 * pclk = pixel clock period(ns) 929 */ 930 a.full = rfixed_const(crtc->base.mode.crtc_htotal); 931 line_time.full = rfixed_mul(a, pclk); 932 933 /* Determine active time 934 * ActiveTime = time of active region of display within one line, 935 * hactive = total number of horizontal active pixels 936 * htotal = total number of horizontal pixels 937 */ 938 a.full = rfixed_const(crtc->base.mode.crtc_htotal); 939 b.full = rfixed_const(crtc->base.mode.crtc_hdisplay); 940 wm->active_time.full = rfixed_mul(line_time, b); 941 wm->active_time.full = rfixed_div(wm->active_time, a); 942 943 /* Determine chunk time 944 * ChunkTime = the time it takes the DCP to send one chunk of data 945 * to the LB which consists of pipeline delay and inter chunk gap 946 * sclk = system clock(Mhz) 947 */ 948 a.full = rfixed_const(600 * 1000); 949 chunk_time.full = rfixed_div(a, rdev->pm.sclk); 950 read_delay_latency.full = rfixed_const(1000); 951 952 /* Determine the worst case latency 953 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines) 954 * WorstCaseLatency = worst case time from urgent to when the MC starts 955 * to return data 956 * READ_DELAY_IDLE_MAX = constant of 1us 957 * ChunkTime = time it takes the DCP to send one chunk of data to the LB 958 * which consists of pipeline delay and inter chunk gap 959 */ 960 if (rfixed_trunc(wm->num_line_pair) > 1) { 961 a.full = rfixed_const(3); 962 wm->worst_case_latency.full = rfixed_mul(a, chunk_time); 963 wm->worst_case_latency.full += read_delay_latency.full; 964 } else { 965 wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full; 966 } 967 968 /* Determine the tolerable latency 969 * TolerableLatency = Any given request has only 1 line time 970 * for the data to be returned 971 * LBRequestFifoDepth = Number of chunk requests the LB can 972 * put into the request FIFO for a display 973 * LineTime = total time for one line of display 974 * ChunkTime = the time it takes the DCP to send one chunk 975 * of data to the LB which consists of 976 * pipeline delay and inter chunk gap 977 */ 978 if ((2+wm->lb_request_fifo_depth) >= rfixed_trunc(request_fifo_depth)) { 979 tolerable_latency.full = line_time.full; 980 } else { 981 tolerable_latency.full = rfixed_const(wm->lb_request_fifo_depth - 2); 982 tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full; 983 tolerable_latency.full = rfixed_mul(tolerable_latency, chunk_time); 984 tolerable_latency.full = line_time.full - tolerable_latency.full; 985 } 986 /* We assume worst case 32bits (4 bytes) */ 987 wm->dbpp.full = rfixed_const(2 * 16); 988 989 /* Determine the maximum priority mark 990 * width = viewport width in pixels 991 */ 992 a.full = rfixed_const(16); 993 wm->priority_mark_max.full = rfixed_const(crtc->base.mode.crtc_hdisplay); 994 wm->priority_mark_max.full = rfixed_div(wm->priority_mark_max, a); 995 996 /* Determine estimated width */ 997 estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full; 998 estimated_width.full = rfixed_div(estimated_width, consumption_time); 999 if (rfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) { 1000 wm->priority_mark.full = rfixed_const(10); 1001 } else { 1002 a.full = rfixed_const(16); 1003 wm->priority_mark.full = rfixed_div(estimated_width, a); 1004 wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full; 1005 } 1006 } 1007 1008 void rv515_bandwidth_avivo_update(struct radeon_device *rdev) 1009 { 1010 struct drm_display_mode *mode0 = NULL; 1011 struct drm_display_mode *mode1 = NULL; 1012 struct rv515_watermark wm0; 1013 struct rv515_watermark wm1; 1014 u32 tmp; 1015 fixed20_12 priority_mark02, priority_mark12, fill_rate; 1016 fixed20_12 a, b; 1017 1018 if (rdev->mode_info.crtcs[0]->base.enabled) 1019 mode0 = &rdev->mode_info.crtcs[0]->base.mode; 1020 if (rdev->mode_info.crtcs[1]->base.enabled) 1021 mode1 = &rdev->mode_info.crtcs[1]->base.mode; 1022 rs690_line_buffer_adjust(rdev, mode0, mode1); 1023 1024 rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0); 1025 rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1); 1026 1027 tmp = wm0.lb_request_fifo_depth; 1028 tmp |= wm1.lb_request_fifo_depth << 16; 1029 WREG32(LB_MAX_REQ_OUTSTANDING, tmp); 1030 1031 if (mode0 && mode1) { 1032 if (rfixed_trunc(wm0.dbpp) > 64) 1033 a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair); 1034 else 1035 a.full = wm0.num_line_pair.full; 1036 if (rfixed_trunc(wm1.dbpp) > 64) 1037 b.full = rfixed_div(wm1.dbpp, wm1.num_line_pair); 1038 else 1039 b.full = wm1.num_line_pair.full; 1040 a.full += b.full; 1041 fill_rate.full = rfixed_div(wm0.sclk, a); 1042 if (wm0.consumption_rate.full > fill_rate.full) { 1043 b.full = wm0.consumption_rate.full - fill_rate.full; 1044 b.full = rfixed_mul(b, wm0.active_time); 1045 a.full = rfixed_const(16); 1046 b.full = rfixed_div(b, a); 1047 a.full = rfixed_mul(wm0.worst_case_latency, 1048 wm0.consumption_rate); 1049 priority_mark02.full = a.full + b.full; 1050 } else { 1051 a.full = rfixed_mul(wm0.worst_case_latency, 1052 wm0.consumption_rate); 1053 b.full = rfixed_const(16 * 1000); 1054 priority_mark02.full = rfixed_div(a, b); 1055 } 1056 if (wm1.consumption_rate.full > fill_rate.full) { 1057 b.full = wm1.consumption_rate.full - fill_rate.full; 1058 b.full = rfixed_mul(b, wm1.active_time); 1059 a.full = rfixed_const(16); 1060 b.full = rfixed_div(b, a); 1061 a.full = rfixed_mul(wm1.worst_case_latency, 1062 wm1.consumption_rate); 1063 priority_mark12.full = a.full + b.full; 1064 } else { 1065 a.full = rfixed_mul(wm1.worst_case_latency, 1066 wm1.consumption_rate); 1067 b.full = rfixed_const(16 * 1000); 1068 priority_mark12.full = rfixed_div(a, b); 1069 } 1070 if (wm0.priority_mark.full > priority_mark02.full) 1071 priority_mark02.full = wm0.priority_mark.full; 1072 if (rfixed_trunc(priority_mark02) < 0) 1073 priority_mark02.full = 0; 1074 if (wm0.priority_mark_max.full > priority_mark02.full) 1075 priority_mark02.full = wm0.priority_mark_max.full; 1076 if (wm1.priority_mark.full > priority_mark12.full) 1077 priority_mark12.full = wm1.priority_mark.full; 1078 if (rfixed_trunc(priority_mark12) < 0) 1079 priority_mark12.full = 0; 1080 if (wm1.priority_mark_max.full > priority_mark12.full) 1081 priority_mark12.full = wm1.priority_mark_max.full; 1082 WREG32(D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02)); 1083 WREG32(D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02)); 1084 WREG32(D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12)); 1085 WREG32(D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12)); 1086 } else if (mode0) { 1087 if (rfixed_trunc(wm0.dbpp) > 64) 1088 a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair); 1089 else 1090 a.full = wm0.num_line_pair.full; 1091 fill_rate.full = rfixed_div(wm0.sclk, a); 1092 if (wm0.consumption_rate.full > fill_rate.full) { 1093 b.full = wm0.consumption_rate.full - fill_rate.full; 1094 b.full = rfixed_mul(b, wm0.active_time); 1095 a.full = rfixed_const(16); 1096 b.full = rfixed_div(b, a); 1097 a.full = rfixed_mul(wm0.worst_case_latency, 1098 wm0.consumption_rate); 1099 priority_mark02.full = a.full + b.full; 1100 } else { 1101 a.full = rfixed_mul(wm0.worst_case_latency, 1102 wm0.consumption_rate); 1103 b.full = rfixed_const(16); 1104 priority_mark02.full = rfixed_div(a, b); 1105 } 1106 if (wm0.priority_mark.full > priority_mark02.full) 1107 priority_mark02.full = wm0.priority_mark.full; 1108 if (rfixed_trunc(priority_mark02) < 0) 1109 priority_mark02.full = 0; 1110 if (wm0.priority_mark_max.full > priority_mark02.full) 1111 priority_mark02.full = wm0.priority_mark_max.full; 1112 WREG32(D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02)); 1113 WREG32(D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02)); 1114 WREG32(D2MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF); 1115 WREG32(D2MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF); 1116 } else { 1117 if (rfixed_trunc(wm1.dbpp) > 64) 1118 a.full = rfixed_div(wm1.dbpp, wm1.num_line_pair); 1119 else 1120 a.full = wm1.num_line_pair.full; 1121 fill_rate.full = rfixed_div(wm1.sclk, a); 1122 if (wm1.consumption_rate.full > fill_rate.full) { 1123 b.full = wm1.consumption_rate.full - fill_rate.full; 1124 b.full = rfixed_mul(b, wm1.active_time); 1125 a.full = rfixed_const(16); 1126 b.full = rfixed_div(b, a); 1127 a.full = rfixed_mul(wm1.worst_case_latency, 1128 wm1.consumption_rate); 1129 priority_mark12.full = a.full + b.full; 1130 } else { 1131 a.full = rfixed_mul(wm1.worst_case_latency, 1132 wm1.consumption_rate); 1133 b.full = rfixed_const(16 * 1000); 1134 priority_mark12.full = rfixed_div(a, b); 1135 } 1136 if (wm1.priority_mark.full > priority_mark12.full) 1137 priority_mark12.full = wm1.priority_mark.full; 1138 if (rfixed_trunc(priority_mark12) < 0) 1139 priority_mark12.full = 0; 1140 if (wm1.priority_mark_max.full > priority_mark12.full) 1141 priority_mark12.full = wm1.priority_mark_max.full; 1142 WREG32(D1MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF); 1143 WREG32(D1MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF); 1144 WREG32(D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12)); 1145 WREG32(D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12)); 1146 } 1147 } 1148 1149 void rv515_bandwidth_update(struct radeon_device *rdev) 1150 { 1151 uint32_t tmp; 1152 struct drm_display_mode *mode0 = NULL; 1153 struct drm_display_mode *mode1 = NULL; 1154 1155 if (rdev->mode_info.crtcs[0]->base.enabled) 1156 mode0 = &rdev->mode_info.crtcs[0]->base.mode; 1157 if (rdev->mode_info.crtcs[1]->base.enabled) 1158 mode1 = &rdev->mode_info.crtcs[1]->base.mode; 1159 /* 1160 * Set display0/1 priority up in the memory controller for 1161 * modes if the user specifies HIGH for displaypriority 1162 * option. 1163 */ 1164 if (rdev->disp_priority == 2) { 1165 tmp = RREG32_MC(MC_MISC_LAT_TIMER); 1166 tmp &= ~MC_DISP1R_INIT_LAT_MASK; 1167 tmp &= ~MC_DISP0R_INIT_LAT_MASK; 1168 if (mode1) 1169 tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT); 1170 if (mode0) 1171 tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT); 1172 WREG32_MC(MC_MISC_LAT_TIMER, tmp); 1173 } 1174 rv515_bandwidth_avivo_update(rdev); 1175 } 1176