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 <linux/slab.h>
  30 #include "drmP.h"
  31 #include "rv515d.h"
  32 #include "radeon.h"
  33 #include "radeon_asic.h"
  34 #include "atom.h"
  35 #include "rv515_reg_safe.h"
  36
  37 /* This files gather functions specifics to: rv515 */
  38 int rv515_debugfs_pipes_info_init(struct radeon_device *rdev);
  39 int rv515_debugfs_ga_info_init(struct radeon_device *rdev);
  40 void rv515_gpu_init(struct radeon_device *rdev);
  41 int rv515_mc_wait_for_idle(struct radeon_device *rdev);
  42
  43 void rv515_debugfs(struct radeon_device *rdev)
  44 {
  45         if (r100_debugfs_rbbm_init(rdev)) {
  46                 DRM_ERROR("Failed to register debugfs file for RBBM !\n");
  47         }
  48         if (rv515_debugfs_pipes_info_init(rdev)) {
  49                 DRM_ERROR("Failed to register debugfs file for pipes !\n");
  50         }
  51         if (rv515_debugfs_ga_info_init(rdev)) {
  52                 DRM_ERROR("Failed to register debugfs file for pipes !\n");
  53         }
  54 }
  55
  56 void rv515_ring_start(struct radeon_device *rdev)
  57 {
  58         int r;
  59
  60         r = radeon_ring_lock(rdev, 64);
  61         if (r) {
  62                 return;
  63         }
  64         radeon_ring_write(rdev, PACKET0(ISYNC_CNTL, 0));
  65         radeon_ring_write(rdev,
  66                           ISYNC_ANY2D_IDLE3D |
  67                           ISYNC_ANY3D_IDLE2D |
  68                           ISYNC_WAIT_IDLEGUI |
  69                           ISYNC_CPSCRATCH_IDLEGUI);
  70         radeon_ring_write(rdev, PACKET0(WAIT_UNTIL, 0));
  71         radeon_ring_write(rdev, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
  72         radeon_ring_write(rdev, PACKET0(0x170C, 0));
  73         radeon_ring_write(rdev, 1 << 31);
  74         radeon_ring_write(rdev, PACKET0(GB_SELECT, 0));
  75         radeon_ring_write(rdev, 0);
  76         radeon_ring_write(rdev, PACKET0(GB_ENABLE, 0));
  77         radeon_ring_write(rdev, 0);
  78         radeon_ring_write(rdev, PACKET0(0x42C8, 0));
  79         radeon_ring_write(rdev, (1 << rdev->num_gb_pipes) - 1);
  80         radeon_ring_write(rdev, PACKET0(VAP_INDEX_OFFSET, 0));
  81         radeon_ring_write(rdev, 0);
  82         radeon_ring_write(rdev, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
  83         radeon_ring_write(rdev, RB3D_DC_FLUSH | RB3D_DC_FREE);
  84         radeon_ring_write(rdev, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
  85         radeon_ring_write(rdev, ZC_FLUSH | ZC_FREE);
  86         radeon_ring_write(rdev, PACKET0(WAIT_UNTIL, 0));
  87         radeon_ring_write(rdev, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
  88         radeon_ring_write(rdev, PACKET0(GB_AA_CONFIG, 0));
  89         radeon_ring_write(rdev, 0);
  90         radeon_ring_write(rdev, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
  91         radeon_ring_write(rdev, RB3D_DC_FLUSH | RB3D_DC_FREE);
  92         radeon_ring_write(rdev, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
  93         radeon_ring_write(rdev, ZC_FLUSH | ZC_FREE);
  94         radeon_ring_write(rdev, PACKET0(GB_MSPOS0, 0));
  95         radeon_ring_write(rdev,
  96                           ((6 << MS_X0_SHIFT) |
  97                            (6 << MS_Y0_SHIFT) |
  98                            (6 << MS_X1_SHIFT) |
  99                            (6 << MS_Y1_SHIFT) |
 100                            (6 << MS_X2_SHIFT) |
 101                            (6 << MS_Y2_SHIFT) |
 102                            (6 << MSBD0_Y_SHIFT) |
 103                            (6 << MSBD0_X_SHIFT)));
 104         radeon_ring_write(rdev, PACKET0(GB_MSPOS1, 0));
 105         radeon_ring_write(rdev,
 106                           ((6 << MS_X3_SHIFT) |
 107                            (6 << MS_Y3_SHIFT) |
 108                            (6 << MS_X4_SHIFT) |
 109                            (6 << MS_Y4_SHIFT) |
 110                            (6 << MS_X5_SHIFT) |
 111                            (6 << MS_Y5_SHIFT) |
 112                            (6 << MSBD1_SHIFT)));
 113         radeon_ring_write(rdev, PACKET0(GA_ENHANCE, 0));
 114         radeon_ring_write(rdev, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL);
 115         radeon_ring_write(rdev, PACKET0(GA_POLY_MODE, 0));
 116         radeon_ring_write(rdev, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE);
 117         radeon_ring_write(rdev, PACKET0(GA_ROUND_MODE, 0));
 118         radeon_ring_write(rdev, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST);
 119         radeon_ring_write(rdev, PACKET0(0x20C8, 0));
 120         radeon_ring_write(rdev, 0);
 121         radeon_ring_unlock_commit(rdev);
 122 }
 123
 124 int rv515_mc_wait_for_idle(struct radeon_device *rdev)
 125 {
 126         unsigned i;
 127         uint32_t tmp;
 128
 129         for (i = 0; i < rdev->usec_timeout; i++) {
 130                 /* read MC_STATUS */
 131                 tmp = RREG32_MC(MC_STATUS);
 132                 if (tmp & MC_STATUS_IDLE) {
 133                         return 0;
 134                 }
 135                 DRM_UDELAY(1);
 136         }
 137         return -1;
 138 }
 139
 140 void rv515_vga_render_disable(struct radeon_device *rdev)
 141 {
 142         WREG32(R_000300_VGA_RENDER_CONTROL,
 143                 RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
 144 }
 145
 146 void rv515_gpu_init(struct radeon_device *rdev)
 147 {
 148         unsigned pipe_select_current, gb_pipe_select, tmp;
 149
 150         r100_hdp_reset(rdev);
 151         r100_rb2d_reset(rdev);
 152
 153         if (r100_gui_wait_for_idle(rdev)) {
 154                 printk(KERN_WARNING "Failed to wait GUI idle while "
 155                        "reseting GPU. Bad things might happen.\n");
 156         }
 157
 158         rv515_vga_render_disable(rdev);
 159
 160         r420_pipes_init(rdev);
 161         gb_pipe_select = RREG32(0x402C);
 162         tmp = RREG32(0x170C);
 163         pipe_select_current = (tmp >> 2) & 3;
 164         tmp = (1 << pipe_select_current) |
 165               (((gb_pipe_select >> 8) & 0xF) << 4);
 166         WREG32_PLL(0x000D, tmp);
 167         if (r100_gui_wait_for_idle(rdev)) {
 168                 printk(KERN_WARNING "Failed to wait GUI idle while "
 169                        "reseting GPU. Bad things might happen.\n");
 170         }
 171         if (rv515_mc_wait_for_idle(rdev)) {
 172                 printk(KERN_WARNING "Failed to wait MC idle while "
 173                        "programming pipes. Bad things might happen.\n");
 174         }
 175 }
 176
 177 int rv515_ga_reset(struct radeon_device *rdev)
 178 {
 179         uint32_t tmp;
 180         bool reinit_cp;
 181         int i;
 182
 183         reinit_cp = rdev->cp.ready;
 184         rdev->cp.ready = false;
 185         for (i = 0; i < rdev->usec_timeout; i++) {
 186                 WREG32(CP_CSQ_MODE, 0);
 187                 WREG32(CP_CSQ_CNTL, 0);
 188                 WREG32(RBBM_SOFT_RESET, 0x32005);
 189                 (void)RREG32(RBBM_SOFT_RESET);
 190                 udelay(200);
 191                 WREG32(RBBM_SOFT_RESET, 0);
 192                 /* Wait to prevent race in RBBM_STATUS */
 193                 mdelay(1);
 194                 tmp = RREG32(RBBM_STATUS);
 195                 if (tmp & ((1 << 20) | (1 << 26))) {
 196                         DRM_ERROR("VAP & CP still busy (RBBM_STATUS=0x%08X)\n", tmp);
 197                         /* GA still busy soft reset it */
 198                         WREG32(0x429C, 0x200);
 199                         WREG32(VAP_PVS_STATE_FLUSH_REG, 0);
 200                         WREG32(0x43E0, 0);
 201                         WREG32(0x43E4, 0);
 202                         WREG32(0x24AC, 0);
 203                 }
 204                 /* Wait to prevent race in RBBM_STATUS */
 205                 mdelay(1);
 206                 tmp = RREG32(RBBM_STATUS);
 207                 if (!(tmp & ((1 << 20) | (1 << 26)))) {
 208                         break;
 209                 }
 210         }
 211         for (i = 0; i < rdev->usec_timeout; i++) {
 212                 tmp = RREG32(RBBM_STATUS);
 213                 if (!(tmp & ((1 << 20) | (1 << 26)))) {
 214                         DRM_INFO("GA reset succeed (RBBM_STATUS=0x%08X)\n",
 215                                  tmp);
 216                         DRM_INFO("GA_IDLE=0x%08X\n", RREG32(0x425C));
 217                         DRM_INFO("RB3D_RESET_STATUS=0x%08X\n", RREG32(0x46f0));
 218                         DRM_INFO("ISYNC_CNTL=0x%08X\n", RREG32(0x1724));
 219                         if (reinit_cp) {
 220                                 return r100_cp_init(rdev, rdev->cp.ring_size);
 221                         }
 222                         return 0;
 223                 }
 224                 DRM_UDELAY(1);
 225         }
 226         tmp = RREG32(RBBM_STATUS);
 227         DRM_ERROR("Failed to reset GA ! (RBBM_STATUS=0x%08X)\n", tmp);
 228         return -1;
 229 }
 230
 231 int rv515_gpu_reset(struct radeon_device *rdev)
 232 {
 233         uint32_t status;
 234
 235         /* reset order likely matter */
 236         status = RREG32(RBBM_STATUS);
 237         /* reset HDP */
 238         r100_hdp_reset(rdev);
 239         /* reset rb2d */
 240         if (status & ((1 << 17) | (1 << 18) | (1 << 27))) {
 241                 r100_rb2d_reset(rdev);
 242         }
 243         /* reset GA */
 244         if (status & ((1 << 20) | (1 << 26))) {
 245                 rv515_ga_reset(rdev);
 246         }
 247         /* reset CP */
 248         status = RREG32(RBBM_STATUS);
 249         if (status & (1 << 16)) {
 250                 r100_cp_reset(rdev);
 251         }
 252         /* Check if GPU is idle */
 253         status = RREG32(RBBM_STATUS);
 254         if (status & (1 << 31)) {
 255                 DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status);
 256                 return -1;
 257         }
 258         DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status);
 259         return 0;
 260 }
 261
 262 static void rv515_vram_get_type(struct radeon_device *rdev)
 263 {
 264         uint32_t tmp;
 265
 266         rdev->mc.vram_width = 128;
 267         rdev->mc.vram_is_ddr = true;
 268         tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK;
 269         switch (tmp) {
 270         case 0:
 271                 rdev->mc.vram_width = 64;
 272                 break;
 273         case 1:
 274                 rdev->mc.vram_width = 128;
 275                 break;
 276         default:
 277                 rdev->mc.vram_width = 128;
 278                 break;
 279         }
 280 }
 281
 282 void rv515_mc_init(struct radeon_device *rdev)
 283 {
 284
 285         rv515_vram_get_type(rdev);
 286         r100_vram_init_sizes(rdev);
 287         radeon_vram_location(rdev, &rdev->mc, 0);
 288         if (!(rdev->flags & RADEON_IS_AGP))
 289                 radeon_gtt_location(rdev, &rdev->mc);
 290         radeon_update_bandwidth_info(rdev);
 291 }
 292
 293 uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
 294 {
 295         uint32_t r;
 296
 297         WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff));
 298         r = RREG32(MC_IND_DATA);
 299         WREG32(MC_IND_INDEX, 0);
 300         return r;
 301 }
 302
 303 void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 304 {
 305         WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff));
 306         WREG32(MC_IND_DATA, (v));
 307         WREG32(MC_IND_INDEX, 0);
 308 }
 309
 310 #if defined(CONFIG_DEBUG_FS)
 311 static int rv515_debugfs_pipes_info(struct seq_file *m, void *data)
 312 {
 313         struct drm_info_node *node = (struct drm_info_node *) m->private;
 314         struct drm_device *dev = node->minor->dev;
 315         struct radeon_device *rdev = dev->dev_private;
 316         uint32_t tmp;
 317
 318         tmp = RREG32(GB_PIPE_SELECT);
 319         seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
 320         tmp = RREG32(SU_REG_DEST);
 321         seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp);
 322         tmp = RREG32(GB_TILE_CONFIG);
 323         seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
 324         tmp = RREG32(DST_PIPE_CONFIG);
 325         seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
 326         return 0;
 327 }
 328
 329 static int rv515_debugfs_ga_info(struct seq_file *m, void *data)
 330 {
 331         struct drm_info_node *node = (struct drm_info_node *) m->private;
 332         struct drm_device *dev = node->minor->dev;
 333         struct radeon_device *rdev = dev->dev_private;
 334         uint32_t tmp;
 335
 336         tmp = RREG32(0x2140);
 337         seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp);
 338         radeon_gpu_reset(rdev);
 339         tmp = RREG32(0x425C);
 340         seq_printf(m, "GA_IDLE 0x%08x\n", tmp);
 341         return 0;
 342 }
 343
 344 static struct drm_info_list rv515_pipes_info_list[] = {
 345         {"rv515_pipes_info", rv515_debugfs_pipes_info, 0, NULL},
 346 };
 347
 348 static struct drm_info_list rv515_ga_info_list[] = {
 349         {"rv515_ga_info", rv515_debugfs_ga_info, 0, NULL},
 350 };
 351 #endif
 352
 353 int rv515_debugfs_pipes_info_init(struct radeon_device *rdev)
 354 {
 355 #if defined(CONFIG_DEBUG_FS)
 356         return radeon_debugfs_add_files(rdev, rv515_pipes_info_list, 1);
 357 #else
 358         return 0;
 359 #endif
 360 }
 361
 362 int rv515_debugfs_ga_info_init(struct radeon_device *rdev)
 363 {
 364 #if defined(CONFIG_DEBUG_FS)
 365         return radeon_debugfs_add_files(rdev, rv515_ga_info_list, 1);
 366 #else
 367         return 0;
 368 #endif
 369 }
 370
 371 void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
 372 {
 373         save->d1vga_control = RREG32(R_000330_D1VGA_CONTROL);
 374         save->d2vga_control = RREG32(R_000338_D2VGA_CONTROL);
 375         save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
 376         save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
 377         save->d1crtc_control = RREG32(R_006080_D1CRTC_CONTROL);
 378         save->d2crtc_control = RREG32(R_006880_D2CRTC_CONTROL);
 379
 380         /* Stop all video */
 381         WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
 382         WREG32(R_000300_VGA_RENDER_CONTROL, 0);
 383         WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1);
 384         WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1);
 385         WREG32(R_006080_D1CRTC_CONTROL, 0);
 386         WREG32(R_006880_D2CRTC_CONTROL, 0);
 387         WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0);
 388         WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
 389         WREG32(R_000330_D1VGA_CONTROL, 0);
 390         WREG32(R_000338_D2VGA_CONTROL, 0);
 391 }
 392
 393 void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
 394 {
 395         WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start);
 396         WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start);
 397         WREG32(R_006910_D2GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start);
 398         WREG32(R_006918_D2GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start);
 399         WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, rdev->mc.vram_start);
 400         /* Unlock host access */
 401         WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
 402         mdelay(1);
 403         /* Restore video state */
 404         WREG32(R_000330_D1VGA_CONTROL, save->d1vga_control);
 405         WREG32(R_000338_D2VGA_CONTROL, save->d2vga_control);
 406         WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1);
 407         WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1);
 408         WREG32(R_006080_D1CRTC_CONTROL, save->d1crtc_control);
 409         WREG32(R_006880_D2CRTC_CONTROL, save->d2crtc_control);
 410         WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0);
 411         WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
 412         WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
 413 }
 414
 415 void rv515_mc_program(struct radeon_device *rdev)
 416 {
 417         struct rv515_mc_save save;
 418
 419         /* Stops all mc clients */
 420         rv515_mc_stop(rdev, &save);
 421
 422         /* Wait for mc idle */
 423         if (rv515_mc_wait_for_idle(rdev))
 424                 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 425         /* Write VRAM size in case we are limiting it */
 426         WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
 427         /* Program MC, should be a 32bits limited address space */
 428         WREG32_MC(R_000001_MC_FB_LOCATION,
 429                         S_000001_MC_FB_START(rdev->mc.vram_start >> 16) |
 430                         S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16));
 431         WREG32(R_000134_HDP_FB_LOCATION,
 432                 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
 433         if (rdev->flags & RADEON_IS_AGP) {
 434                 WREG32_MC(R_000002_MC_AGP_LOCATION,
 435                         S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) |
 436                         S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
 437                 WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
 438                 WREG32_MC(R_000004_MC_AGP_BASE_2,
 439                         S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
 440         } else {
 441                 WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF);
 442                 WREG32_MC(R_000003_MC_AGP_BASE, 0);
 443                 WREG32_MC(R_000004_MC_AGP_BASE_2, 0);
 444         }
 445
 446         rv515_mc_resume(rdev, &save);
 447 }
 448
 449 void rv515_clock_startup(struct radeon_device *rdev)
 450 {
 451         if (radeon_dynclks != -1 && radeon_dynclks)
 452                 radeon_atom_set_clock_gating(rdev, 1);
 453         /* We need to force on some of the block */
 454         WREG32_PLL(R_00000F_CP_DYN_CNTL,
 455                 RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1));
 456         WREG32_PLL(R_000011_E2_DYN_CNTL,
 457                 RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1));
 458         WREG32_PLL(R_000013_IDCT_DYN_CNTL,
 459                 RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1));
 460 }
 461
 462 static int rv515_startup(struct radeon_device *rdev)
 463 {
 464         int r;
 465
 466         rv515_mc_program(rdev);
 467         /* Resume clock */
 468         rv515_clock_startup(rdev);
 469         /* Initialize GPU configuration (# pipes, ...) */
 470         rv515_gpu_init(rdev);
 471         /* Initialize GART (initialize after TTM so we can allocate
 472          * memory through TTM but finalize after TTM) */
 473         if (rdev->flags & RADEON_IS_PCIE) {
 474                 r = rv370_pcie_gart_enable(rdev);
 475                 if (r)
 476                         return r;
 477         }
 478         /* Enable IRQ */
 479         rs600_irq_set(rdev);
 480         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
 481         /* 1M ring buffer */
 482         r = r100_cp_init(rdev, 1024 * 1024);
 483         if (r) {
 484                 dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
 485                 return r;
 486         }
 487         r = r100_wb_init(rdev);
 488         if (r)
 489                 dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
 490         r = r100_ib_init(rdev);
 491         if (r) {
 492                 dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
 493                 return r;
 494         }
 495         return 0;
 496 }
 497
 498 int rv515_resume(struct radeon_device *rdev)
 499 {
 500         /* Make sur GART are not working */
 501         if (rdev->flags & RADEON_IS_PCIE)
 502                 rv370_pcie_gart_disable(rdev);
 503         /* Resume clock before doing reset */
 504         rv515_clock_startup(rdev);
 505         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
 506         if (radeon_gpu_reset(rdev)) {
 507                 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 508                         RREG32(R_000E40_RBBM_STATUS),
 509                         RREG32(R_0007C0_CP_STAT));
 510         }
 511         /* post */
 512         atom_asic_init(rdev->mode_info.atom_context);
 513         /* Resume clock after posting */
 514         rv515_clock_startup(rdev);
 515         /* Initialize surface registers */
 516         radeon_surface_init(rdev);
 517         return rv515_startup(rdev);
 518 }
 519
 520 int rv515_suspend(struct radeon_device *rdev)
 521 {
 522         r100_cp_disable(rdev);
 523         r100_wb_disable(rdev);
 524         rs600_irq_disable(rdev);
 525         if (rdev->flags & RADEON_IS_PCIE)
 526                 rv370_pcie_gart_disable(rdev);
 527         return 0;
 528 }
 529
 530 void rv515_set_safe_registers(struct radeon_device *rdev)
 531 {
 532         rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
 533         rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm);
 534 }
 535
 536 void rv515_fini(struct radeon_device *rdev)
 537 {
 538         radeon_pm_fini(rdev);
 539         r100_cp_fini(rdev);
 540         r100_wb_fini(rdev);
 541         r100_ib_fini(rdev);
 542         radeon_gem_fini(rdev);
 543         rv370_pcie_gart_fini(rdev);
 544         radeon_agp_fini(rdev);
 545         radeon_irq_kms_fini(rdev);
 546         radeon_fence_driver_fini(rdev);
 547         radeon_bo_fini(rdev);
 548         radeon_atombios_fini(rdev);
 549         kfree(rdev->bios);
 550         rdev->bios = NULL;
 551 }
 552
 553 int rv515_init(struct radeon_device *rdev)
 554 {
 555         int r;
 556
 557         /* Initialize scratch registers */
 558         radeon_scratch_init(rdev);
 559         /* Initialize surface registers */
 560         radeon_surface_init(rdev);
 561         /* TODO: disable VGA need to use VGA request */
 562         /* BIOS*/
 563         if (!radeon_get_bios(rdev)) {
 564                 if (ASIC_IS_AVIVO(rdev))
 565                         return -EINVAL;
 566         }
 567         if (rdev->is_atom_bios) {
 568                 r = radeon_atombios_init(rdev);
 569                 if (r)
 570                         return r;
 571         } else {
 572                 dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
 573                 return -EINVAL;
 574         }
 575         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
 576         if (radeon_gpu_reset(rdev)) {
 577                 dev_warn(rdev->dev,
 578                         "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 579                         RREG32(R_000E40_RBBM_STATUS),
 580                         RREG32(R_0007C0_CP_STAT));
 581         }
 582         /* check if cards are posted or not */
 583         if (radeon_boot_test_post_card(rdev) == false)
 584                 return -EINVAL;
 585         /* Initialize clocks */
 586         radeon_get_clock_info(rdev->ddev);
 587         /* Initialize power management */
 588         radeon_pm_init(rdev);
 589         /* initialize AGP */
 590         if (rdev->flags & RADEON_IS_AGP) {
 591                 r = radeon_agp_init(rdev);
 592                 if (r) {
 593                         radeon_agp_disable(rdev);
 594                 }
 595         }
 596         /* initialize memory controller */
 597         rv515_mc_init(rdev);
 598         rv515_debugfs(rdev);
 599         /* Fence driver */
 600         r = radeon_fence_driver_init(rdev);
 601         if (r)
 602                 return r;
 603         r = radeon_irq_kms_init(rdev);
 604         if (r)
 605                 return r;
 606         /* Memory manager */
 607         r = radeon_bo_init(rdev);
 608         if (r)
 609                 return r;
 610         r = rv370_pcie_gart_init(rdev);
 611         if (r)
 612                 return r;
 613         rv515_set_safe_registers(rdev);
 614         rdev->accel_working = true;
 615         r = rv515_startup(rdev);
 616         if (r) {
 617                 /* Somethings want wront with the accel init stop accel */
 618                 dev_err(rdev->dev, "Disabling GPU acceleration\n");
 619                 r100_cp_fini(rdev);
 620                 r100_wb_fini(rdev);
 621                 r100_ib_fini(rdev);
 622                 radeon_irq_kms_fini(rdev);
 623                 rv370_pcie_gart_fini(rdev);
 624                 radeon_agp_fini(rdev);
 625                 rdev->accel_working = false;
 626         }
 627         return 0;
 628 }
 629
 630 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc)
 631 {
 632         int index_reg = 0x6578 + crtc->crtc_offset;
 633         int data_reg = 0x657c + crtc->crtc_offset;
 634
 635         WREG32(0x659C + crtc->crtc_offset, 0x0);
 636         WREG32(0x6594 + crtc->crtc_offset, 0x705);
 637         WREG32(0x65A4 + crtc->crtc_offset, 0x10001);
 638         WREG32(0x65D8 + crtc->crtc_offset, 0x0);
 639         WREG32(0x65B0 + crtc->crtc_offset, 0x0);
 640         WREG32(0x65C0 + crtc->crtc_offset, 0x0);
 641         WREG32(0x65D4 + crtc->crtc_offset, 0x0);
 642         WREG32(index_reg, 0x0);
 643         WREG32(data_reg, 0x841880A8);
 644         WREG32(index_reg, 0x1);
 645         WREG32(data_reg, 0x84208680);
 646         WREG32(index_reg, 0x2);
 647         WREG32(data_reg, 0xBFF880B0);
 648         WREG32(index_reg, 0x100);
 649         WREG32(data_reg, 0x83D88088);
 650         WREG32(index_reg, 0x101);
 651         WREG32(data_reg, 0x84608680);
 652         WREG32(index_reg, 0x102);
 653         WREG32(data_reg, 0xBFF080D0);
 654         WREG32(index_reg, 0x200);
 655         WREG32(data_reg, 0x83988068);
 656         WREG32(index_reg, 0x201);
 657         WREG32(data_reg, 0x84A08680);
 658         WREG32(index_reg, 0x202);
 659         WREG32(data_reg, 0xBFF080F8);
 660         WREG32(index_reg, 0x300);
 661         WREG32(data_reg, 0x83588058);
 662         WREG32(index_reg, 0x301);
 663         WREG32(data_reg, 0x84E08660);
 664         WREG32(index_reg, 0x302);
 665         WREG32(data_reg, 0xBFF88120);
 666         WREG32(index_reg, 0x400);
 667         WREG32(data_reg, 0x83188040);
 668         WREG32(index_reg, 0x401);
 669         WREG32(data_reg, 0x85008660);
 670         WREG32(index_reg, 0x402);
 671         WREG32(data_reg, 0xBFF88150);
 672         WREG32(index_reg, 0x500);
 673         WREG32(data_reg, 0x82D88030);
 674         WREG32(index_reg, 0x501);
 675         WREG32(data_reg, 0x85408640);
 676         WREG32(index_reg, 0x502);
 677         WREG32(data_reg, 0xBFF88180);
 678         WREG32(index_reg, 0x600);
 679         WREG32(data_reg, 0x82A08018);
 680         WREG32(index_reg, 0x601);
 681         WREG32(data_reg, 0x85808620);
 682         WREG32(index_reg, 0x602);
 683         WREG32(data_reg, 0xBFF081B8);
 684         WREG32(index_reg, 0x700);
 685         WREG32(data_reg, 0x82608010);
 686         WREG32(index_reg, 0x701);
 687         WREG32(data_reg, 0x85A08600);
 688         WREG32(index_reg, 0x702);
 689         WREG32(data_reg, 0x800081F0);
 690         WREG32(index_reg, 0x800);
 691         WREG32(data_reg, 0x8228BFF8);
 692         WREG32(index_reg, 0x801);
 693         WREG32(data_reg, 0x85E085E0);
 694         WREG32(index_reg, 0x802);
 695         WREG32(data_reg, 0xBFF88228);
 696         WREG32(index_reg, 0x10000);
 697         WREG32(data_reg, 0x82A8BF00);
 698         WREG32(index_reg, 0x10001);
 699         WREG32(data_reg, 0x82A08CC0);
 700         WREG32(index_reg, 0x10002);
 701         WREG32(data_reg, 0x8008BEF8);
 702         WREG32(index_reg, 0x10100);
 703         WREG32(data_reg, 0x81F0BF28);
 704         WREG32(index_reg, 0x10101);
 705         WREG32(data_reg, 0x83608CA0);
 706         WREG32(index_reg, 0x10102);
 707         WREG32(data_reg, 0x8018BED0);
 708         WREG32(index_reg, 0x10200);
 709         WREG32(data_reg, 0x8148BF38);
 710         WREG32(index_reg, 0x10201);
 711         WREG32(data_reg, 0x84408C80);
 712         WREG32(index_reg, 0x10202);
 713         WREG32(data_reg, 0x8008BEB8);
 714         WREG32(index_reg, 0x10300);
 715         WREG32(data_reg, 0x80B0BF78);
 716         WREG32(index_reg, 0x10301);
 717         WREG32(data_reg, 0x85008C20);
 718         WREG32(index_reg, 0x10302);
 719         WREG32(data_reg, 0x8020BEA0);
 720         WREG32(index_reg, 0x10400);
 721         WREG32(data_reg, 0x8028BF90);
 722         WREG32(index_reg, 0x10401);
 723         WREG32(data_reg, 0x85E08BC0);
 724         WREG32(index_reg, 0x10402);
 725         WREG32(data_reg, 0x8018BE90);
 726         WREG32(index_reg, 0x10500);
 727         WREG32(data_reg, 0xBFB8BFB0);
 728         WREG32(index_reg, 0x10501);
 729         WREG32(data_reg, 0x86C08B40);
 730         WREG32(index_reg, 0x10502);
 731         WREG32(data_reg, 0x8010BE90);
 732         WREG32(index_reg, 0x10600);
 733         WREG32(data_reg, 0xBF58BFC8);
 734         WREG32(index_reg, 0x10601);
 735         WREG32(data_reg, 0x87A08AA0);
 736         WREG32(index_reg, 0x10602);
 737         WREG32(data_reg, 0x8010BE98);
 738         WREG32(index_reg, 0x10700);
 739         WREG32(data_reg, 0xBF10BFF0);
 740         WREG32(index_reg, 0x10701);
 741         WREG32(data_reg, 0x886089E0);
 742         WREG32(index_reg, 0x10702);
 743         WREG32(data_reg, 0x8018BEB0);
 744         WREG32(index_reg, 0x10800);
 745         WREG32(data_reg, 0xBED8BFE8);
 746         WREG32(index_reg, 0x10801);
 747         WREG32(data_reg, 0x89408940);
 748         WREG32(index_reg, 0x10802);
 749         WREG32(data_reg, 0xBFE8BED8);
 750         WREG32(index_reg, 0x20000);
 751         WREG32(data_reg, 0x80008000);
 752         WREG32(index_reg, 0x20001);
 753         WREG32(data_reg, 0x90008000);
 754         WREG32(index_reg, 0x20002);
 755         WREG32(data_reg, 0x80008000);
 756         WREG32(index_reg, 0x20003);
 757         WREG32(data_reg, 0x80008000);
 758         WREG32(index_reg, 0x20100);
 759         WREG32(data_reg, 0x80108000);
 760         WREG32(index_reg, 0x20101);
 761         WREG32(data_reg, 0x8FE0BF70);
 762         WREG32(index_reg, 0x20102);
 763         WREG32(data_reg, 0xBFE880C0);
 764         WREG32(index_reg, 0x20103);
 765         WREG32(data_reg, 0x80008000);
 766         WREG32(index_reg, 0x20200);
 767         WREG32(data_reg, 0x8018BFF8);
 768         WREG32(index_reg, 0x20201);
 769         WREG32(data_reg, 0x8F80BF08);
 770         WREG32(index_reg, 0x20202);
 771         WREG32(data_reg, 0xBFD081A0);
 772         WREG32(index_reg, 0x20203);
 773         WREG32(data_reg, 0xBFF88000);
 774         WREG32(index_reg, 0x20300);
 775         WREG32(data_reg, 0x80188000);
 776         WREG32(index_reg, 0x20301);
 777         WREG32(data_reg, 0x8EE0BEC0);
 778         WREG32(index_reg, 0x20302);
 779         WREG32(data_reg, 0xBFB082A0);
 780         WREG32(index_reg, 0x20303);
 781         WREG32(data_reg, 0x80008000);
 782         WREG32(index_reg, 0x20400);
 783         WREG32(data_reg, 0x80188000);
 784         WREG32(index_reg, 0x20401);
 785         WREG32(data_reg, 0x8E00BEA0);
 786         WREG32(index_reg, 0x20402);
 787         WREG32(data_reg, 0xBF8883C0);
 788         WREG32(index_reg, 0x20403);
 789         WREG32(data_reg, 0x80008000);
 790         WREG32(index_reg, 0x20500);
 791         WREG32(data_reg, 0x80188000);
 792         WREG32(index_reg, 0x20501);
 793         WREG32(data_reg, 0x8D00BE90);
 794         WREG32(index_reg, 0x20502);
 795         WREG32(data_reg, 0xBF588500);
 796         WREG32(index_reg, 0x20503);
 797         WREG32(data_reg, 0x80008008);
 798         WREG32(index_reg, 0x20600);
 799         WREG32(data_reg, 0x80188000);
 800         WREG32(index_reg, 0x20601);
 801         WREG32(data_reg, 0x8BC0BE98);
 802         WREG32(index_reg, 0x20602);
 803         WREG32(data_reg, 0xBF308660);
 804         WREG32(index_reg, 0x20603);
 805         WREG32(data_reg, 0x80008008);
 806         WREG32(index_reg, 0x20700);
 807         WREG32(data_reg, 0x80108000);
 808         WREG32(index_reg, 0x20701);
 809         WREG32(data_reg, 0x8A80BEB0);
 810         WREG32(index_reg, 0x20702);
 811         WREG32(data_reg, 0xBF0087C0);
 812         WREG32(index_reg, 0x20703);
 813         WREG32(data_reg, 0x80008008);
 814         WREG32(index_reg, 0x20800);
 815         WREG32(data_reg, 0x80108000);
 816         WREG32(index_reg, 0x20801);
 817         WREG32(data_reg, 0x8920BED0);
 818         WREG32(index_reg, 0x20802);
 819         WREG32(data_reg, 0xBED08920);
 820         WREG32(index_reg, 0x20803);
 821         WREG32(data_reg, 0x80008010);
 822         WREG32(index_reg, 0x30000);
 823         WREG32(data_reg, 0x90008000);
 824         WREG32(index_reg, 0x30001);
 825         WREG32(data_reg, 0x80008000);
 826         WREG32(index_reg, 0x30100);
 827         WREG32(data_reg, 0x8FE0BF90);
 828         WREG32(index_reg, 0x30101);
 829         WREG32(data_reg, 0xBFF880A0);
 830         WREG32(index_reg, 0x30200);
 831         WREG32(data_reg, 0x8F60BF40);
 832         WREG32(index_reg, 0x30201);
 833         WREG32(data_reg, 0xBFE88180);
 834         WREG32(index_reg, 0x30300);
 835         WREG32(data_reg, 0x8EC0BF00);
 836         WREG32(index_reg, 0x30301);
 837         WREG32(data_reg, 0xBFC88280);
 838         WREG32(index_reg, 0x30400);
 839         WREG32(data_reg, 0x8DE0BEE0);
 840         WREG32(index_reg, 0x30401);
 841         WREG32(data_reg, 0xBFA083A0);
 842         WREG32(index_reg, 0x30500);
 843         WREG32(data_reg, 0x8CE0BED0);
 844         WREG32(index_reg, 0x30501);
 845         WREG32(data_reg, 0xBF7884E0);
 846         WREG32(index_reg, 0x30600);
 847         WREG32(data_reg, 0x8BA0BED8);
 848         WREG32(index_reg, 0x30601);
 849         WREG32(data_reg, 0xBF508640);
 850         WREG32(index_reg, 0x30700);
 851         WREG32(data_reg, 0x8A60BEE8);
 852         WREG32(index_reg, 0x30701);
 853         WREG32(data_reg, 0xBF2087A0);
 854         WREG32(index_reg, 0x30800);
 855         WREG32(data_reg, 0x8900BF00);
 856         WREG32(index_reg, 0x30801);
 857         WREG32(data_reg, 0xBF008900);
 858 }
 859
 860 struct rv515_watermark {
 861         u32        lb_request_fifo_depth;
 862         fixed20_12 num_line_pair;
 863         fixed20_12 estimated_width;
 864         fixed20_12 worst_case_latency;
 865         fixed20_12 consumption_rate;
 866         fixed20_12 active_time;
 867         fixed20_12 dbpp;
 868         fixed20_12 priority_mark_max;
 869         fixed20_12 priority_mark;
 870         fixed20_12 sclk;
 871 };
 872
 873 void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
 874                                   struct radeon_crtc *crtc,
 875                                   struct rv515_watermark *wm)
 876 {
 877         struct drm_display_mode *mode = &crtc->base.mode;
 878         fixed20_12 a, b, c;
 879         fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
 880         fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
 881
 882         if (!crtc->base.enabled) {
 883                 /* FIXME: wouldn't it better to set priority mark to maximum */
 884                 wm->lb_request_fifo_depth = 4;
 885                 return;
 886         }
 887
 888         if (crtc->vsc.full > rfixed_const(2))
 889                 wm->num_line_pair.full = rfixed_const(2);
 890         else
 891                 wm->num_line_pair.full = rfixed_const(1);
 892
 893         b.full = rfixed_const(mode->crtc_hdisplay);
 894         c.full = rfixed_const(256);
 895         a.full = rfixed_div(b, c);
 896         request_fifo_depth.full = rfixed_mul(a, wm->num_line_pair);
 897         request_fifo_depth.full = rfixed_ceil(request_fifo_depth);
 898         if (a.full < rfixed_const(4)) {
 899                 wm->lb_request_fifo_depth = 4;
 900         } else {
 901                 wm->lb_request_fifo_depth = rfixed_trunc(request_fifo_depth);
 902         }
 903
 904         /* Determine consumption rate
 905          *  pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
 906          *  vtaps = number of vertical taps,
 907          *  vsc = vertical scaling ratio, defined as source/destination
 908          *  hsc = horizontal scaling ration, defined as source/destination
 909          */
 910         a.full = rfixed_const(mode->clock);
 911         b.full = rfixed_const(1000);
 912         a.full = rfixed_div(a, b);
 913         pclk.full = rfixed_div(b, a);
 914         if (crtc->rmx_type != RMX_OFF) {
 915                 b.full = rfixed_const(2);
 916                 if (crtc->vsc.full > b.full)
 917                         b.full = crtc->vsc.full;
 918                 b.full = rfixed_mul(b, crtc->hsc);
 919                 c.full = rfixed_const(2);
 920                 b.full = rfixed_div(b, c);
 921                 consumption_time.full = rfixed_div(pclk, b);
 922         } else {
 923                 consumption_time.full = pclk.full;
 924         }
 925         a.full = rfixed_const(1);
 926         wm->consumption_rate.full = rfixed_div(a, consumption_time);
 927
 928
 929         /* Determine line time
 930          *  LineTime = total time for one line of displayhtotal
 931          *  LineTime = total number of horizontal pixels
 932          *  pclk = pixel clock period(ns)
 933          */
 934         a.full = rfixed_const(crtc->base.mode.crtc_htotal);
 935         line_time.full = rfixed_mul(a, pclk);
 936
 937         /* Determine active time
 938          *  ActiveTime = time of active region of display within one line,
 939          *  hactive = total number of horizontal active pixels
 940          *  htotal = total number of horizontal pixels
 941          */
 942         a.full = rfixed_const(crtc->base.mode.crtc_htotal);
 943         b.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
 944         wm->active_time.full = rfixed_mul(line_time, b);
 945         wm->active_time.full = rfixed_div(wm->active_time, a);
 946
 947         /* Determine chunk time
 948          * ChunkTime = the time it takes the DCP to send one chunk of data
 949          * to the LB which consists of pipeline delay and inter chunk gap
 950          * sclk = system clock(Mhz)
 951          */
 952         a.full = rfixed_const(600 * 1000);
 953         chunk_time.full = rfixed_div(a, rdev->pm.sclk);
 954         read_delay_latency.full = rfixed_const(1000);
 955
 956         /* Determine the worst case latency
 957          * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
 958          * WorstCaseLatency = worst case time from urgent to when the MC starts
 959          *                    to return data
 960          * READ_DELAY_IDLE_MAX = constant of 1us
 961          * ChunkTime = time it takes the DCP to send one chunk of data to the LB
 962          *             which consists of pipeline delay and inter chunk gap
 963          */
 964         if (rfixed_trunc(wm->num_line_pair) > 1) {
 965                 a.full = rfixed_const(3);
 966                 wm->worst_case_latency.full = rfixed_mul(a, chunk_time);
 967                 wm->worst_case_latency.full += read_delay_latency.full;
 968         } else {
 969                 wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
 970         }
 971
 972         /* Determine the tolerable latency
 973          * TolerableLatency = Any given request has only 1 line time
 974          *                    for the data to be returned
 975          * LBRequestFifoDepth = Number of chunk requests the LB can
 976          *                      put into the request FIFO for a display
 977          *  LineTime = total time for one line of display
 978          *  ChunkTime = the time it takes the DCP to send one chunk
 979          *              of data to the LB which consists of
 980          *  pipeline delay and inter chunk gap
 981          */
 982         if ((2+wm->lb_request_fifo_depth) >= rfixed_trunc(request_fifo_depth)) {
 983                 tolerable_latency.full = line_time.full;
 984         } else {
 985                 tolerable_latency.full = rfixed_const(wm->lb_request_fifo_depth - 2);
 986                 tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
 987                 tolerable_latency.full = rfixed_mul(tolerable_latency, chunk_time);
 988                 tolerable_latency.full = line_time.full - tolerable_latency.full;
 989         }
 990         /* We assume worst case 32bits (4 bytes) */
 991         wm->dbpp.full = rfixed_const(2 * 16);
 992
 993         /* Determine the maximum priority mark
 994          *  width = viewport width in pixels
 995          */
 996         a.full = rfixed_const(16);
 997         wm->priority_mark_max.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
 998         wm->priority_mark_max.full = rfixed_div(wm->priority_mark_max, a);
 999         wm->priority_mark_max.full = rfixed_ceil(wm->priority_mark_max);
1000
1001         /* Determine estimated width */
1002         estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
1003         estimated_width.full = rfixed_div(estimated_width, consumption_time);
1004         if (rfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
1005                 wm->priority_mark.full = wm->priority_mark_max.full;
1006         } else {
1007                 a.full = rfixed_const(16);
1008                 wm->priority_mark.full = rfixed_div(estimated_width, a);
1009                 wm->priority_mark.full = rfixed_ceil(wm->priority_mark);
1010                 wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
1011         }
1012 }
1013
1014 void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
1015 {
1016         struct drm_display_mode *mode0 = NULL;
1017         struct drm_display_mode *mode1 = NULL;
1018         struct rv515_watermark wm0;
1019         struct rv515_watermark wm1;
1020         u32 tmp, d1mode_priority_a_cnt, d2mode_priority_a_cnt;
1021         fixed20_12 priority_mark02, priority_mark12, fill_rate;
1022         fixed20_12 a, b;
1023
1024         if (rdev->mode_info.crtcs[0]->base.enabled)
1025                 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1026         if (rdev->mode_info.crtcs[1]->base.enabled)
1027                 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1028         rs690_line_buffer_adjust(rdev, mode0, mode1);
1029
1030         rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0);
1031         rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1);
1032
1033         tmp = wm0.lb_request_fifo_depth;
1034         tmp |= wm1.lb_request_fifo_depth << 16;
1035         WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
1036
1037         if (mode0 && mode1) {
1038                 if (rfixed_trunc(wm0.dbpp) > 64)
1039                         a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair);
1040                 else
1041                         a.full = wm0.num_line_pair.full;
1042                 if (rfixed_trunc(wm1.dbpp) > 64)
1043                         b.full = rfixed_div(wm1.dbpp, wm1.num_line_pair);
1044                 else
1045                         b.full = wm1.num_line_pair.full;
1046                 a.full += b.full;
1047                 fill_rate.full = rfixed_div(wm0.sclk, a);
1048                 if (wm0.consumption_rate.full > fill_rate.full) {
1049                         b.full = wm0.consumption_rate.full - fill_rate.full;
1050                         b.full = rfixed_mul(b, wm0.active_time);
1051                         a.full = rfixed_const(16);
1052                         b.full = rfixed_div(b, a);
1053                         a.full = rfixed_mul(wm0.worst_case_latency,
1054                                                 wm0.consumption_rate);
1055                         priority_mark02.full = a.full + b.full;
1056                 } else {
1057                         a.full = rfixed_mul(wm0.worst_case_latency,
1058                                                 wm0.consumption_rate);
1059                         b.full = rfixed_const(16 * 1000);
1060                         priority_mark02.full = rfixed_div(a, b);
1061                 }
1062                 if (wm1.consumption_rate.full > fill_rate.full) {
1063                         b.full = wm1.consumption_rate.full - fill_rate.full;
1064                         b.full = rfixed_mul(b, wm1.active_time);
1065                         a.full = rfixed_const(16);
1066                         b.full = rfixed_div(b, a);
1067                         a.full = rfixed_mul(wm1.worst_case_latency,
1068                                                 wm1.consumption_rate);
1069                         priority_mark12.full = a.full + b.full;
1070                 } else {
1071                         a.full = rfixed_mul(wm1.worst_case_latency,
1072                                                 wm1.consumption_rate);
1073                         b.full = rfixed_const(16 * 1000);
1074                         priority_mark12.full = rfixed_div(a, b);
1075                 }
1076                 if (wm0.priority_mark.full > priority_mark02.full)
1077                         priority_mark02.full = wm0.priority_mark.full;
1078                 if (rfixed_trunc(priority_mark02) < 0)
1079                         priority_mark02.full = 0;
1080                 if (wm0.priority_mark_max.full > priority_mark02.full)
1081                         priority_mark02.full = wm0.priority_mark_max.full;
1082                 if (wm1.priority_mark.full > priority_mark12.full)
1083                         priority_mark12.full = wm1.priority_mark.full;
1084                 if (rfixed_trunc(priority_mark12) < 0)
1085                         priority_mark12.full = 0;
1086                 if (wm1.priority_mark_max.full > priority_mark12.full)
1087                         priority_mark12.full = wm1.priority_mark_max.full;
1088                 d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
1089                 d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
1090                 if (rdev->disp_priority == 2) {
1091                         d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1092                         d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1093                 }
1094                 WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
1095                 WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
1096                 WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
1097                 WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
1098         } else if (mode0) {
1099                 if (rfixed_trunc(wm0.dbpp) > 64)
1100                         a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair);
1101                 else
1102                         a.full = wm0.num_line_pair.full;
1103                 fill_rate.full = rfixed_div(wm0.sclk, a);
1104                 if (wm0.consumption_rate.full > fill_rate.full) {
1105                         b.full = wm0.consumption_rate.full - fill_rate.full;
1106                         b.full = rfixed_mul(b, wm0.active_time);
1107                         a.full = rfixed_const(16);
1108                         b.full = rfixed_div(b, a);
1109                         a.full = rfixed_mul(wm0.worst_case_latency,
1110                                                 wm0.consumption_rate);
1111                         priority_mark02.full = a.full + b.full;
1112                 } else {
1113                         a.full = rfixed_mul(wm0.worst_case_latency,
1114                                                 wm0.consumption_rate);
1115                         b.full = rfixed_const(16);
1116                         priority_mark02.full = rfixed_div(a, b);
1117                 }
1118                 if (wm0.priority_mark.full > priority_mark02.full)
1119                         priority_mark02.full = wm0.priority_mark.full;
1120                 if (rfixed_trunc(priority_mark02) < 0)
1121                         priority_mark02.full = 0;
1122                 if (wm0.priority_mark_max.full > priority_mark02.full)
1123                         priority_mark02.full = wm0.priority_mark_max.full;
1124                 d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
1125                 if (rdev->disp_priority == 2)
1126                         d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1127                 WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
1128                 WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
1129                 WREG32(D2MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
1130                 WREG32(D2MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF);
1131         } else {
1132                 if (rfixed_trunc(wm1.dbpp) > 64)
1133                         a.full = rfixed_div(wm1.dbpp, wm1.num_line_pair);
1134                 else
1135                         a.full = wm1.num_line_pair.full;
1136                 fill_rate.full = rfixed_div(wm1.sclk, a);
1137                 if (wm1.consumption_rate.full > fill_rate.full) {
1138                         b.full = wm1.consumption_rate.full - fill_rate.full;
1139                         b.full = rfixed_mul(b, wm1.active_time);
1140                         a.full = rfixed_const(16);
1141                         b.full = rfixed_div(b, a);
1142                         a.full = rfixed_mul(wm1.worst_case_latency,
1143                                                 wm1.consumption_rate);
1144                         priority_mark12.full = a.full + b.full;
1145                 } else {
1146                         a.full = rfixed_mul(wm1.worst_case_latency,
1147                                                 wm1.consumption_rate);
1148                         b.full = rfixed_const(16 * 1000);
1149                         priority_mark12.full = rfixed_div(a, b);
1150                 }
1151                 if (wm1.priority_mark.full > priority_mark12.full)
1152                         priority_mark12.full = wm1.priority_mark.full;
1153                 if (rfixed_trunc(priority_mark12) < 0)
1154                         priority_mark12.full = 0;
1155                 if (wm1.priority_mark_max.full > priority_mark12.full)
1156                         priority_mark12.full = wm1.priority_mark_max.full;
1157                 d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
1158                 if (rdev->disp_priority == 2)
1159                         d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1160                 WREG32(D1MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
1161                 WREG32(D1MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF);
1162                 WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
1163                 WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
1164         }
1165 }
1166
1167 void rv515_bandwidth_update(struct radeon_device *rdev)
1168 {
1169         uint32_t tmp;
1170         struct drm_display_mode *mode0 = NULL;
1171         struct drm_display_mode *mode1 = NULL;
1172
1173         radeon_update_display_priority(rdev);
1174
1175         if (rdev->mode_info.crtcs[0]->base.enabled)
1176                 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1177         if (rdev->mode_info.crtcs[1]->base.enabled)
1178                 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1179         /*
1180          * Set display0/1 priority up in the memory controller for
1181          * modes if the user specifies HIGH for displaypriority
1182          * option.
1183          */
1184         if ((rdev->disp_priority == 2) &&
1185             (rdev->family == CHIP_RV515)) {
1186                 tmp = RREG32_MC(MC_MISC_LAT_TIMER);
1187                 tmp &= ~MC_DISP1R_INIT_LAT_MASK;
1188                 tmp &= ~MC_DISP0R_INIT_LAT_MASK;
1189                 if (mode1)
1190                         tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT);
1191                 if (mode0)
1192                         tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT);
1193                 WREG32_MC(MC_MISC_LAT_TIMER, tmp);
1194         }
1195         rv515_bandwidth_avivo_update(rdev);
1196 }