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