SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/gpu/drm/radeon/rv515.c

   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         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
 483         /* 1M ring buffer */
 484         r = r100_cp_init(rdev, 1024 * 1024);
 485         if (r) {
 486                 dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
 487                 return r;
 488         }
 489         r = r100_wb_init(rdev);
 490         if (r)
 491                 dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
 492         r = r100_ib_init(rdev);
 493         if (r) {
 494                 dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
 495                 return r;
 496         }
 497         return 0;
 498 }
 499
 500 int rv515_resume(struct radeon_device *rdev)
 501 {
 502         /* Make sur GART are not working */
 503         if (rdev->flags & RADEON_IS_PCIE)
 504                 rv370_pcie_gart_disable(rdev);
 505         /* Resume clock before doing reset */
 506         rv515_clock_startup(rdev);
 507         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
 508         if (radeon_gpu_reset(rdev)) {
 509                 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 510                         RREG32(R_000E40_RBBM_STATUS),
 511                         RREG32(R_0007C0_CP_STAT));
 512         }
 513         /* post */
 514         atom_asic_init(rdev->mode_info.atom_context);
 515         /* Resume clock after posting */
 516         rv515_clock_startup(rdev);
 517         /* Initialize surface registers */
 518         radeon_surface_init(rdev);
 519         return rv515_startup(rdev);
 520 }
 521
 522 int rv515_suspend(struct radeon_device *rdev)
 523 {
 524         r100_cp_disable(rdev);
 525         r100_wb_disable(rdev);
 526         rs600_irq_disable(rdev);
 527         if (rdev->flags & RADEON_IS_PCIE)
 528                 rv370_pcie_gart_disable(rdev);
 529         return 0;
 530 }
 531
 532 void rv515_set_safe_registers(struct radeon_device *rdev)
 533 {
 534         rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
 535         rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm);
 536 }
 537
 538 void rv515_fini(struct radeon_device *rdev)
 539 {
 540         r100_cp_fini(rdev);
 541         r100_wb_fini(rdev);
 542         r100_ib_fini(rdev);
 543         radeon_gem_fini(rdev);
 544         rv370_pcie_gart_fini(rdev);
 545         radeon_agp_fini(rdev);
 546         radeon_irq_kms_fini(rdev);
 547         radeon_fence_driver_fini(rdev);
 548         radeon_bo_fini(rdev);
 549         radeon_atombios_fini(rdev);
 550         kfree(rdev->bios);
 551         rdev->bios = NULL;
 552 }
 553
 554 int rv515_init(struct radeon_device *rdev)
 555 {
 556         int r;
 557
 558         /* Initialize scratch registers */
 559         radeon_scratch_init(rdev);
 560         /* Initialize surface registers */
 561         radeon_surface_init(rdev);
 562         /* TODO: disable VGA need to use VGA request */
 563         /* BIOS*/
 564         if (!radeon_get_bios(rdev)) {
 565                 if (ASIC_IS_AVIVO(rdev))
 566                         return -EINVAL;
 567         }
 568         if (rdev->is_atom_bios) {
 569                 r = radeon_atombios_init(rdev);
 570                 if (r)
 571                         return r;
 572         } else {
 573                 dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
 574                 return -EINVAL;
 575         }
 576         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
 577         if (radeon_gpu_reset(rdev)) {
 578                 dev_warn(rdev->dev,
 579                         "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 580                         RREG32(R_000E40_RBBM_STATUS),
 581                         RREG32(R_0007C0_CP_STAT));
 582         }
 583         /* check if cards are posted or not */
 584         if (radeon_boot_test_post_card(rdev) == false)
 585                 return -EINVAL;
 586         /* Initialize clocks */
 587         radeon_get_clock_info(rdev->ddev);
 588         /* Initialize power management */
 589         radeon_pm_init(rdev);
 590         /* Get vram informations */
 591         rv515_vram_info(rdev);
 592         /* Initialize memory controller (also test AGP) */
 593         r = r420_mc_init(rdev);
 594         if (r)
 595                 return r;
 596         rv515_debugfs(rdev);
 597         /* Fence driver */
 598         r = radeon_fence_driver_init(rdev);
 599         if (r)
 600                 return r;
 601         r = radeon_irq_kms_init(rdev);
 602         if (r)
 603                 return r;
 604         /* Memory manager */
 605         r = radeon_bo_init(rdev);
 606         if (r)
 607                 return r;
 608         r = rv370_pcie_gart_init(rdev);
 609         if (r)
 610                 return r;
 611         rv515_set_safe_registers(rdev);
 612         rdev->accel_working = true;
 613         r = rv515_startup(rdev);
 614         if (r) {
 615                 /* Somethings want wront with the accel init stop accel */
 616                 dev_err(rdev->dev, "Disabling GPU acceleration\n");
 617                 r100_cp_fini(rdev);
 618                 r100_wb_fini(rdev);
 619                 r100_ib_fini(rdev);
 620                 radeon_irq_kms_fini(rdev);
 621                 rv370_pcie_gart_fini(rdev);
 622                 radeon_agp_fini(rdev);
 623                 rdev->accel_working = false;
 624         }
 625         return 0;
 626 }
 627
 628 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc)
 629 {
 630         int index_reg = 0x6578 + crtc->crtc_offset;
 631         int data_reg = 0x657c + crtc->crtc_offset;
 632
 633         WREG32(0x659C + crtc->crtc_offset, 0x0);
 634         WREG32(0x6594 + crtc->crtc_offset, 0x705);
 635         WREG32(0x65A4 + crtc->crtc_offset, 0x10001);
 636         WREG32(0x65D8 + crtc->crtc_offset, 0x0);
 637         WREG32(0x65B0 + crtc->crtc_offset, 0x0);
 638         WREG32(0x65C0 + crtc->crtc_offset, 0x0);
 639         WREG32(0x65D4 + crtc->crtc_offset, 0x0);
 640         WREG32(index_reg, 0x0);
 641         WREG32(data_reg, 0x841880A8);
 642         WREG32(index_reg, 0x1);
 643         WREG32(data_reg, 0x84208680);
 644         WREG32(index_reg, 0x2);
 645         WREG32(data_reg, 0xBFF880B0);
 646         WREG32(index_reg, 0x100);
 647         WREG32(data_reg, 0x83D88088);
 648         WREG32(index_reg, 0x101);
 649         WREG32(data_reg, 0x84608680);
 650         WREG32(index_reg, 0x102);
 651         WREG32(data_reg, 0xBFF080D0);
 652         WREG32(index_reg, 0x200);
 653         WREG32(data_reg, 0x83988068);
 654         WREG32(index_reg, 0x201);
 655         WREG32(data_reg, 0x84A08680);
 656         WREG32(index_reg, 0x202);
 657         WREG32(data_reg, 0xBFF080F8);
 658         WREG32(index_reg, 0x300);
 659         WREG32(data_reg, 0x83588058);
 660         WREG32(index_reg, 0x301);
 661         WREG32(data_reg, 0x84E08660);
 662         WREG32(index_reg, 0x302);
 663         WREG32(data_reg, 0xBFF88120);
 664         WREG32(index_reg, 0x400);
 665         WREG32(data_reg, 0x83188040);
 666         WREG32(index_reg, 0x401);
 667         WREG32(data_reg, 0x85008660);
 668         WREG32(index_reg, 0x402);
 669         WREG32(data_reg, 0xBFF88150);
 670         WREG32(index_reg, 0x500);
 671         WREG32(data_reg, 0x82D88030);
 672         WREG32(index_reg, 0x501);
 673         WREG32(data_reg, 0x85408640);
 674         WREG32(index_reg, 0x502);
 675         WREG32(data_reg, 0xBFF88180);
 676         WREG32(index_reg, 0x600);
 677         WREG32(data_reg, 0x82A08018);
 678         WREG32(index_reg, 0x601);
 679         WREG32(data_reg, 0x85808620);
 680         WREG32(index_reg, 0x602);
 681         WREG32(data_reg, 0xBFF081B8);
 682         WREG32(index_reg, 0x700);
 683         WREG32(data_reg, 0x82608010);
 684         WREG32(index_reg, 0x701);
 685         WREG32(data_reg, 0x85A08600);
 686         WREG32(index_reg, 0x702);
 687         WREG32(data_reg, 0x800081F0);
 688         WREG32(index_reg, 0x800);
 689         WREG32(data_reg, 0x8228BFF8);
 690         WREG32(index_reg, 0x801);
 691         WREG32(data_reg, 0x85E085E0);
 692         WREG32(index_reg, 0x802);
 693         WREG32(data_reg, 0xBFF88228);
 694         WREG32(index_reg, 0x10000);
 695         WREG32(data_reg, 0x82A8BF00);
 696         WREG32(index_reg, 0x10001);
 697         WREG32(data_reg, 0x82A08CC0);
 698         WREG32(index_reg, 0x10002);
 699         WREG32(data_reg, 0x8008BEF8);
 700         WREG32(index_reg, 0x10100);
 701         WREG32(data_reg, 0x81F0BF28);
 702         WREG32(index_reg, 0x10101);
 703         WREG32(data_reg, 0x83608CA0);
 704         WREG32(index_reg, 0x10102);
 705         WREG32(data_reg, 0x8018BED0);
 706         WREG32(index_reg, 0x10200);
 707         WREG32(data_reg, 0x8148BF38);
 708         WREG32(index_reg, 0x10201);
 709         WREG32(data_reg, 0x84408C80);
 710         WREG32(index_reg, 0x10202);
 711         WREG32(data_reg, 0x8008BEB8);
 712         WREG32(index_reg, 0x10300);
 713         WREG32(data_reg, 0x80B0BF78);
 714         WREG32(index_reg, 0x10301);
 715         WREG32(data_reg, 0x85008C20);
 716         WREG32(index_reg, 0x10302);
 717         WREG32(data_reg, 0x8020BEA0);
 718         WREG32(index_reg, 0x10400);
 719         WREG32(data_reg, 0x8028BF90);
 720         WREG32(index_reg, 0x10401);
 721         WREG32(data_reg, 0x85E08BC0);
 722         WREG32(index_reg, 0x10402);
 723         WREG32(data_reg, 0x8018BE90);
 724         WREG32(index_reg, 0x10500);
 725         WREG32(data_reg, 0xBFB8BFB0);
 726         WREG32(index_reg, 0x10501);
 727         WREG32(data_reg, 0x86C08B40);
 728         WREG32(index_reg, 0x10502);
 729         WREG32(data_reg, 0x8010BE90);
 730         WREG32(index_reg, 0x10600);
 731         WREG32(data_reg, 0xBF58BFC8);
 732         WREG32(index_reg, 0x10601);
 733         WREG32(data_reg, 0x87A08AA0);
 734         WREG32(index_reg, 0x10602);
 735         WREG32(data_reg, 0x8010BE98);
 736         WREG32(index_reg, 0x10700);
 737         WREG32(data_reg, 0xBF10BFF0);
 738         WREG32(index_reg, 0x10701);
 739         WREG32(data_reg, 0x886089E0);
 740         WREG32(index_reg, 0x10702);
 741         WREG32(data_reg, 0x8018BEB0);
 742         WREG32(index_reg, 0x10800);
 743         WREG32(data_reg, 0xBED8BFE8);
 744         WREG32(index_reg, 0x10801);
 745         WREG32(data_reg, 0x89408940);
 746         WREG32(index_reg, 0x10802);
 747         WREG32(data_reg, 0xBFE8BED8);
 748         WREG32(index_reg, 0x20000);
 749         WREG32(data_reg, 0x80008000);
 750         WREG32(index_reg, 0x20001);
 751         WREG32(data_reg, 0x90008000);
 752         WREG32(index_reg, 0x20002);
 753         WREG32(data_reg, 0x80008000);
 754         WREG32(index_reg, 0x20003);
 755         WREG32(data_reg, 0x80008000);
 756         WREG32(index_reg, 0x20100);
 757         WREG32(data_reg, 0x80108000);
 758         WREG32(index_reg, 0x20101);
 759         WREG32(data_reg, 0x8FE0BF70);
 760         WREG32(index_reg, 0x20102);
 761         WREG32(data_reg, 0xBFE880C0);
 762         WREG32(index_reg, 0x20103);
 763         WREG32(data_reg, 0x80008000);
 764         WREG32(index_reg, 0x20200);
 765         WREG32(data_reg, 0x8018BFF8);
 766         WREG32(index_reg, 0x20201);
 767         WREG32(data_reg, 0x8F80BF08);
 768         WREG32(index_reg, 0x20202);
 769         WREG32(data_reg, 0xBFD081A0);
 770         WREG32(index_reg, 0x20203);
 771         WREG32(data_reg, 0xBFF88000);
 772         WREG32(index_reg, 0x20300);
 773         WREG32(data_reg, 0x80188000);
 774         WREG32(index_reg, 0x20301);
 775         WREG32(data_reg, 0x8EE0BEC0);
 776         WREG32(index_reg, 0x20302);
 777         WREG32(data_reg, 0xBFB082A0);
 778         WREG32(index_reg, 0x20303);
 779         WREG32(data_reg, 0x80008000);
 780         WREG32(index_reg, 0x20400);
 781         WREG32(data_reg, 0x80188000);
 782         WREG32(index_reg, 0x20401);
 783         WREG32(data_reg, 0x8E00BEA0);
 784         WREG32(index_reg, 0x20402);
 785         WREG32(data_reg, 0xBF8883C0);
 786         WREG32(index_reg, 0x20403);
 787         WREG32(data_reg, 0x80008000);
 788         WREG32(index_reg, 0x20500);
 789         WREG32(data_reg, 0x80188000);
 790         WREG32(index_reg, 0x20501);
 791         WREG32(data_reg, 0x8D00BE90);
 792         WREG32(index_reg, 0x20502);
 793         WREG32(data_reg, 0xBF588500);
 794         WREG32(index_reg, 0x20503);
 795         WREG32(data_reg, 0x80008008);
 796         WREG32(index_reg, 0x20600);
 797         WREG32(data_reg, 0x80188000);
 798         WREG32(index_reg, 0x20601);
 799         WREG32(data_reg, 0x8BC0BE98);
 800         WREG32(index_reg, 0x20602);
 801         WREG32(data_reg, 0xBF308660);
 802         WREG32(index_reg, 0x20603);
 803         WREG32(data_reg, 0x80008008);
 804         WREG32(index_reg, 0x20700);
 805         WREG32(data_reg, 0x80108000);
 806         WREG32(index_reg, 0x20701);
 807         WREG32(data_reg, 0x8A80BEB0);
 808         WREG32(index_reg, 0x20702);
 809         WREG32(data_reg, 0xBF0087C0);
 810         WREG32(index_reg, 0x20703);
 811         WREG32(data_reg, 0x80008008);
 812         WREG32(index_reg, 0x20800);
 813         WREG32(data_reg, 0x80108000);
 814         WREG32(index_reg, 0x20801);
 815         WREG32(data_reg, 0x8920BED0);
 816         WREG32(index_reg, 0x20802);
 817         WREG32(data_reg, 0xBED08920);
 818         WREG32(index_reg, 0x20803);
 819         WREG32(data_reg, 0x80008010);
 820         WREG32(index_reg, 0x30000);
 821         WREG32(data_reg, 0x90008000);
 822         WREG32(index_reg, 0x30001);
 823         WREG32(data_reg, 0x80008000);
 824         WREG32(index_reg, 0x30100);
 825         WREG32(data_reg, 0x8FE0BF90);
 826         WREG32(index_reg, 0x30101);
 827         WREG32(data_reg, 0xBFF880A0);
 828         WREG32(index_reg, 0x30200);
 829         WREG32(data_reg, 0x8F60BF40);
 830         WREG32(index_reg, 0x30201);
 831         WREG32(data_reg, 0xBFE88180);
 832         WREG32(index_reg, 0x30300);
 833         WREG32(data_reg, 0x8EC0BF00);
 834         WREG32(index_reg, 0x30301);
 835         WREG32(data_reg, 0xBFC88280);
 836         WREG32(index_reg, 0x30400);
 837         WREG32(data_reg, 0x8DE0BEE0);
 838         WREG32(index_reg, 0x30401);
 839         WREG32(data_reg, 0xBFA083A0);
 840         WREG32(index_reg, 0x30500);
 841         WREG32(data_reg, 0x8CE0BED0);
 842         WREG32(index_reg, 0x30501);
 843         WREG32(data_reg, 0xBF7884E0);
 844         WREG32(index_reg, 0x30600);
 845         WREG32(data_reg, 0x8BA0BED8);
 846         WREG32(index_reg, 0x30601);
 847         WREG32(data_reg, 0xBF508640);
 848         WREG32(index_reg, 0x30700);
 849         WREG32(data_reg, 0x8A60BEE8);
 850         WREG32(index_reg, 0x30701);
 851         WREG32(data_reg, 0xBF2087A0);
 852         WREG32(index_reg, 0x30800);
 853         WREG32(data_reg, 0x8900BF00);
 854         WREG32(index_reg, 0x30801);
 855         WREG32(data_reg, 0xBF008900);
 856 }
 857
 858 struct rv515_watermark {
 859         u32        lb_request_fifo_depth;
 860         fixed20_12 num_line_pair;
 861         fixed20_12 estimated_width;
 862         fixed20_12 worst_case_latency;
 863         fixed20_12 consumption_rate;
 864         fixed20_12 active_time;
 865         fixed20_12 dbpp;
 866         fixed20_12 priority_mark_max;
 867         fixed20_12 priority_mark;
 868         fixed20_12 sclk;
 869 };
 870
 871 void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
 872                                   struct radeon_crtc *crtc,
 873                                   struct rv515_watermark *wm)
 874 {
 875         struct drm_display_mode *mode = &crtc->base.mode;
 876         fixed20_12 a, b, c;
 877         fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
 878         fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
 879
 880         if (!crtc->base.enabled) {
 881                 /* FIXME: wouldn't it better to set priority mark to maximum */
 882                 wm->lb_request_fifo_depth = 4;
 883                 return;
 884         }
 885
 886         if (crtc->vsc.full > rfixed_const(2))
 887                 wm->num_line_pair.full = rfixed_const(2);
 888         else
 889                 wm->num_line_pair.full = rfixed_const(1);
 890
 891         b.full = rfixed_const(mode->crtc_hdisplay);
 892         c.full = rfixed_const(256);
 893         a.full = rfixed_div(b, c);
 894         request_fifo_depth.full = rfixed_mul(a, wm->num_line_pair);
 895         request_fifo_depth.full = rfixed_ceil(request_fifo_depth);
 896         if (a.full < rfixed_const(4)) {
 897                 wm->lb_request_fifo_depth = 4;
 898         } else {
 899                 wm->lb_request_fifo_depth = rfixed_trunc(request_fifo_depth);
 900         }
 901
 902         /* Determine consumption rate
 903          *  pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
 904          *  vtaps = number of vertical taps,
 905          *  vsc = vertical scaling ratio, defined as source/destination
 906          *  hsc = horizontal scaling ration, defined as source/destination
 907          */
 908         a.full = rfixed_const(mode->clock);
 909         b.full = rfixed_const(1000);
 910         a.full = rfixed_div(a, b);
 911         pclk.full = rfixed_div(b, a);
 912         if (crtc->rmx_type != RMX_OFF) {
 913                 b.full = rfixed_const(2);
 914                 if (crtc->vsc.full > b.full)
 915                         b.full = crtc->vsc.full;
 916                 b.full = rfixed_mul(b, crtc->hsc);
 917                 c.full = rfixed_const(2);
 918                 b.full = rfixed_div(b, c);
 919                 consumption_time.full = rfixed_div(pclk, b);
 920         } else {
 921                 consumption_time.full = pclk.full;
 922         }
 923         a.full = rfixed_const(1);
 924         wm->consumption_rate.full = rfixed_div(a, consumption_time);
 925
 926
 927         /* Determine line time
 928          *  LineTime = total time for one line of displayhtotal
 929          *  LineTime = total number of horizontal pixels
 930          *  pclk = pixel clock period(ns)
 931          */
 932         a.full = rfixed_const(crtc->base.mode.crtc_htotal);
 933         line_time.full = rfixed_mul(a, pclk);
 934
 935         /* Determine active time
 936          *  ActiveTime = time of active region of display within one line,
 937          *  hactive = total number of horizontal active pixels
 938          *  htotal = total number of horizontal pixels
 939          */
 940         a.full = rfixed_const(crtc->base.mode.crtc_htotal);
 941         b.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
 942         wm->active_time.full = rfixed_mul(line_time, b);
 943         wm->active_time.full = rfixed_div(wm->active_time, a);
 944
 945         /* Determine chunk time
 946          * ChunkTime = the time it takes the DCP to send one chunk of data
 947          * to the LB which consists of pipeline delay and inter chunk gap
 948          * sclk = system clock(Mhz)
 949          */
 950         a.full = rfixed_const(600 * 1000);
 951         chunk_time.full = rfixed_div(a, rdev->pm.sclk);
 952         read_delay_latency.full = rfixed_const(1000);
 953
 954         /* Determine the worst case latency
 955          * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
 956          * WorstCaseLatency = worst case time from urgent to when the MC starts
 957          *                    to return data
 958          * READ_DELAY_IDLE_MAX = constant of 1us
 959          * ChunkTime = time it takes the DCP to send one chunk of data to the LB
 960          *             which consists of pipeline delay and inter chunk gap
 961          */
 962         if (rfixed_trunc(wm->num_line_pair) > 1) {
 963                 a.full = rfixed_const(3);
 964                 wm->worst_case_latency.full = rfixed_mul(a, chunk_time);
 965                 wm->worst_case_latency.full += read_delay_latency.full;
 966         } else {
 967                 wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
 968         }
 969
 970         /* Determine the tolerable latency
 971          * TolerableLatency = Any given request has only 1 line time
 972          *                    for the data to be returned
 973          * LBRequestFifoDepth = Number of chunk requests the LB can
 974          *                      put into the request FIFO for a display
 975          *  LineTime = total time for one line of display
 976          *  ChunkTime = the time it takes the DCP to send one chunk
 977          *              of data to the LB which consists of
 978          *  pipeline delay and inter chunk gap
 979          */
 980         if ((2+wm->lb_request_fifo_depth) >= rfixed_trunc(request_fifo_depth)) {
 981                 tolerable_latency.full = line_time.full;
 982         } else {
 983                 tolerable_latency.full = rfixed_const(wm->lb_request_fifo_depth - 2);
 984                 tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
 985                 tolerable_latency.full = rfixed_mul(tolerable_latency, chunk_time);
 986                 tolerable_latency.full = line_time.full - tolerable_latency.full;
 987         }
 988         /* We assume worst case 32bits (4 bytes) */
 989         wm->dbpp.full = rfixed_const(2 * 16);
 990
 991         /* Determine the maximum priority mark
 992          *  width = viewport width in pixels
 993          */
 994         a.full = rfixed_const(16);
 995         wm->priority_mark_max.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
 996         wm->priority_mark_max.full = rfixed_div(wm->priority_mark_max, a);
 997         wm->priority_mark_max.full = rfixed_ceil(wm->priority_mark_max);
 998
 999         /* Determine estimated width */
1000         estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
1001         estimated_width.full = rfixed_div(estimated_width, consumption_time);
1002         if (rfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
1003                 wm->priority_mark.full = wm->priority_mark_max.full;
1004         } else {
1005                 a.full = rfixed_const(16);
1006                 wm->priority_mark.full = rfixed_div(estimated_width, a);
1007                 wm->priority_mark.full = rfixed_ceil(wm->priority_mark);
1008                 wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
1009         }
1010 }
1011
1012 void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
1013 {
1014         struct drm_display_mode *mode0 = NULL;
1015         struct drm_display_mode *mode1 = NULL;
1016         struct rv515_watermark wm0;
1017         struct rv515_watermark wm1;
1018         u32 tmp;
1019         fixed20_12 priority_mark02, priority_mark12, fill_rate;
1020         fixed20_12 a, b;
1021
1022         if (rdev->mode_info.crtcs[0]->base.enabled)
1023                 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1024         if (rdev->mode_info.crtcs[1]->base.enabled)
1025                 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1026         rs690_line_buffer_adjust(rdev, mode0, mode1);
1027
1028         rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0);
1029         rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1);
1030
1031         tmp = wm0.lb_request_fifo_depth;
1032         tmp |= wm1.lb_request_fifo_depth << 16;
1033         WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
1034
1035         if (mode0 && mode1) {
1036                 if (rfixed_trunc(wm0.dbpp) > 64)
1037                         a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair);
1038                 else
1039                         a.full = wm0.num_line_pair.full;
1040                 if (rfixed_trunc(wm1.dbpp) > 64)
1041                         b.full = rfixed_div(wm1.dbpp, wm1.num_line_pair);
1042                 else
1043                         b.full = wm1.num_line_pair.full;
1044                 a.full += b.full;
1045                 fill_rate.full = rfixed_div(wm0.sclk, a);
1046                 if (wm0.consumption_rate.full > fill_rate.full) {
1047                         b.full = wm0.consumption_rate.full - fill_rate.full;
1048                         b.full = rfixed_mul(b, wm0.active_time);
1049                         a.full = rfixed_const(16);
1050                         b.full = rfixed_div(b, a);
1051                         a.full = rfixed_mul(wm0.worst_case_latency,
1052                                                 wm0.consumption_rate);
1053                         priority_mark02.full = a.full + b.full;
1054                 } else {
1055                         a.full = rfixed_mul(wm0.worst_case_latency,
1056                                                 wm0.consumption_rate);
1057                         b.full = rfixed_const(16 * 1000);
1058                         priority_mark02.full = rfixed_div(a, b);
1059                 }
1060                 if (wm1.consumption_rate.full > fill_rate.full) {
1061                         b.full = wm1.consumption_rate.full - fill_rate.full;
1062                         b.full = rfixed_mul(b, wm1.active_time);
1063                         a.full = rfixed_const(16);
1064                         b.full = rfixed_div(b, a);
1065                         a.full = rfixed_mul(wm1.worst_case_latency,
1066                                                 wm1.consumption_rate);
1067                         priority_mark12.full = a.full + b.full;
1068                 } else {
1069                         a.full = rfixed_mul(wm1.worst_case_latency,
1070                                                 wm1.consumption_rate);
1071                         b.full = rfixed_const(16 * 1000);
1072                         priority_mark12.full = rfixed_div(a, b);
1073                 }
1074                 if (wm0.priority_mark.full > priority_mark02.full)
1075                         priority_mark02.full = wm0.priority_mark.full;
1076                 if (rfixed_trunc(priority_mark02) < 0)
1077                         priority_mark02.full = 0;
1078                 if (wm0.priority_mark_max.full > priority_mark02.full)
1079                         priority_mark02.full = wm0.priority_mark_max.full;
1080                 if (wm1.priority_mark.full > priority_mark12.full)
1081                         priority_mark12.full = wm1.priority_mark.full;
1082                 if (rfixed_trunc(priority_mark12) < 0)
1083                         priority_mark12.full = 0;
1084                 if (wm1.priority_mark_max.full > priority_mark12.full)
1085                         priority_mark12.full = wm1.priority_mark_max.full;
1086                 WREG32(D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
1087                 WREG32(D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
1088                 WREG32(D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
1089                 WREG32(D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
1090         } else if (mode0) {
1091                 if (rfixed_trunc(wm0.dbpp) > 64)
1092                         a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair);
1093                 else
1094                         a.full = wm0.num_line_pair.full;
1095                 fill_rate.full = rfixed_div(wm0.sclk, a);
1096                 if (wm0.consumption_rate.full > fill_rate.full) {
1097                         b.full = wm0.consumption_rate.full - fill_rate.full;
1098                         b.full = rfixed_mul(b, wm0.active_time);
1099                         a.full = rfixed_const(16);
1100                         b.full = rfixed_div(b, a);
1101                         a.full = rfixed_mul(wm0.worst_case_latency,
1102                                                 wm0.consumption_rate);
1103                         priority_mark02.full = a.full + b.full;
1104                 } else {
1105                         a.full = rfixed_mul(wm0.worst_case_latency,
1106                                                 wm0.consumption_rate);
1107                         b.full = rfixed_const(16);
1108                         priority_mark02.full = rfixed_div(a, b);
1109                 }
1110                 if (wm0.priority_mark.full > priority_mark02.full)
1111                         priority_mark02.full = wm0.priority_mark.full;
1112                 if (rfixed_trunc(priority_mark02) < 0)
1113                         priority_mark02.full = 0;
1114                 if (wm0.priority_mark_max.full > priority_mark02.full)
1115                         priority_mark02.full = wm0.priority_mark_max.full;
1116                 WREG32(D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
1117                 WREG32(D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
1118                 WREG32(D2MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
1119                 WREG32(D2MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF);
1120         } else {
1121                 if (rfixed_trunc(wm1.dbpp) > 64)
1122                         a.full = rfixed_div(wm1.dbpp, wm1.num_line_pair);
1123                 else
1124                         a.full = wm1.num_line_pair.full;
1125                 fill_rate.full = rfixed_div(wm1.sclk, a);
1126                 if (wm1.consumption_rate.full > fill_rate.full) {
1127                         b.full = wm1.consumption_rate.full - fill_rate.full;
1128                         b.full = rfixed_mul(b, wm1.active_time);
1129                         a.full = rfixed_const(16);
1130                         b.full = rfixed_div(b, a);
1131                         a.full = rfixed_mul(wm1.worst_case_latency,
1132                                                 wm1.consumption_rate);
1133                         priority_mark12.full = a.full + b.full;
1134                 } else {
1135                         a.full = rfixed_mul(wm1.worst_case_latency,
1136                                                 wm1.consumption_rate);
1137                         b.full = rfixed_const(16 * 1000);
1138                         priority_mark12.full = rfixed_div(a, b);
1139                 }
1140                 if (wm1.priority_mark.full > priority_mark12.full)
1141                         priority_mark12.full = wm1.priority_mark.full;
1142                 if (rfixed_trunc(priority_mark12) < 0)
1143                         priority_mark12.full = 0;
1144                 if (wm1.priority_mark_max.full > priority_mark12.full)
1145                         priority_mark12.full = wm1.priority_mark_max.full;
1146                 WREG32(D1MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
1147                 WREG32(D1MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF);
1148                 WREG32(D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
1149                 WREG32(D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
1150         }
1151 }
1152
1153 void rv515_bandwidth_update(struct radeon_device *rdev)
1154 {
1155         uint32_t tmp;
1156         struct drm_display_mode *mode0 = NULL;
1157         struct drm_display_mode *mode1 = NULL;
1158
1159         if (rdev->mode_info.crtcs[0]->base.enabled)
1160                 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1161         if (rdev->mode_info.crtcs[1]->base.enabled)
1162                 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1163         /*
1164          * Set display0/1 priority up in the memory controller for
1165          * modes if the user specifies HIGH for displaypriority
1166          * option.
1167          */
1168         if (rdev->disp_priority == 2) {
1169                 tmp = RREG32_MC(MC_MISC_LAT_TIMER);
1170                 tmp &= ~MC_DISP1R_INIT_LAT_MASK;
1171                 tmp &= ~MC_DISP0R_INIT_LAT_MASK;
1172                 if (mode1)
1173                         tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT);
1174                 if (mode0)
1175                         tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT);
1176                 WREG32_MC(MC_MISC_LAT_TIMER, tmp);
1177         }
1178         rv515_bandwidth_avivo_update(rdev);
1179 }