drivers/gpu/drm/radeon/evergreen.c

   1 /*
   2  * Copyright 2010 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Alex Deucher
  23  */
  24 #include <linux/firmware.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/slab.h>
  27 #include "drmP.h"
  28 #include "radeon.h"
  29 #include "radeon_asic.h"
  30 #include "radeon_drm.h"
  31 #include "evergreend.h"
  32 #include "atom.h"
  33 #include "avivod.h"
  34 #include "evergreen_reg.h"
  35
  36 #define EVERGREEN_PFP_UCODE_SIZE 1120
  37 #define EVERGREEN_PM4_UCODE_SIZE 1376
  38
  39 static void evergreen_gpu_init(struct radeon_device *rdev);
  40 void evergreen_fini(struct radeon_device *rdev);
  41
  42 /* get temperature in millidegrees */
  43 u32 evergreen_get_temp(struct radeon_device *rdev)
  44 {
  45         u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
  46                 ASIC_T_SHIFT;
  47         u32 actual_temp = 0;
  48
  49         if ((temp >> 10) & 1)
  50                 actual_temp = 0;
  51         else if ((temp >> 9) & 1)
  52                 actual_temp = 255;
  53         else
  54                 actual_temp = (temp >> 1) & 0xff;
  55
  56         return actual_temp * 1000;
  57 }
  58
  59 void evergreen_pm_misc(struct radeon_device *rdev)
  60 {
  61         int req_ps_idx = rdev->pm.requested_power_state_index;
  62         int req_cm_idx = rdev->pm.requested_clock_mode_index;
  63         struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
  64         struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
  65
  66         if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
  67                 if (voltage->voltage != rdev->pm.current_vddc) {
  68                         radeon_atom_set_voltage(rdev, voltage->voltage);
  69                         rdev->pm.current_vddc = voltage->voltage;
  70                         DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
  71                 }
  72         }
  73 }
  74
  75 void evergreen_pm_prepare(struct radeon_device *rdev)
  76 {
  77         struct drm_device *ddev = rdev->ddev;
  78         struct drm_crtc *crtc;
  79         struct radeon_crtc *radeon_crtc;
  80         u32 tmp;
  81
  82         /* disable any active CRTCs */
  83         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
  84                 radeon_crtc = to_radeon_crtc(crtc);
  85                 if (radeon_crtc->enabled) {
  86                         tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
  87                         tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
  88                         WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
  89                 }
  90         }
  91 }
  92
  93 void evergreen_pm_finish(struct radeon_device *rdev)
  94 {
  95         struct drm_device *ddev = rdev->ddev;
  96         struct drm_crtc *crtc;
  97         struct radeon_crtc *radeon_crtc;
  98         u32 tmp;
  99
 100         /* enable any active CRTCs */
 101         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 102                 radeon_crtc = to_radeon_crtc(crtc);
 103                 if (radeon_crtc->enabled) {
 104                         tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
 105                         tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
 106                         WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
 107                 }
 108         }
 109 }
 110
 111 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 112 {
 113         bool connected = false;
 114
 115         switch (hpd) {
 116         case RADEON_HPD_1:
 117                 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
 118                         connected = true;
 119                 break;
 120         case RADEON_HPD_2:
 121                 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
 122                         connected = true;
 123                 break;
 124         case RADEON_HPD_3:
 125                 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
 126                         connected = true;
 127                 break;
 128         case RADEON_HPD_4:
 129                 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
 130                         connected = true;
 131                 break;
 132         case RADEON_HPD_5:
 133                 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
 134                         connected = true;
 135                 break;
 136         case RADEON_HPD_6:
 137                 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
 138                         connected = true;
 139                         break;
 140         default:
 141                 break;
 142         }
 143
 144         return connected;
 145 }
 146
 147 void evergreen_hpd_set_polarity(struct radeon_device *rdev,
 148                                 enum radeon_hpd_id hpd)
 149 {
 150         u32 tmp;
 151         bool connected = evergreen_hpd_sense(rdev, hpd);
 152
 153         switch (hpd) {
 154         case RADEON_HPD_1:
 155                 tmp = RREG32(DC_HPD1_INT_CONTROL);
 156                 if (connected)
 157                         tmp &= ~DC_HPDx_INT_POLARITY;
 158                 else
 159                         tmp |= DC_HPDx_INT_POLARITY;
 160                 WREG32(DC_HPD1_INT_CONTROL, tmp);
 161                 break;
 162         case RADEON_HPD_2:
 163                 tmp = RREG32(DC_HPD2_INT_CONTROL);
 164                 if (connected)
 165                         tmp &= ~DC_HPDx_INT_POLARITY;
 166                 else
 167                         tmp |= DC_HPDx_INT_POLARITY;
 168                 WREG32(DC_HPD2_INT_CONTROL, tmp);
 169                 break;
 170         case RADEON_HPD_3:
 171                 tmp = RREG32(DC_HPD3_INT_CONTROL);
 172                 if (connected)
 173                         tmp &= ~DC_HPDx_INT_POLARITY;
 174                 else
 175                         tmp |= DC_HPDx_INT_POLARITY;
 176                 WREG32(DC_HPD3_INT_CONTROL, tmp);
 177                 break;
 178         case RADEON_HPD_4:
 179                 tmp = RREG32(DC_HPD4_INT_CONTROL);
 180                 if (connected)
 181                         tmp &= ~DC_HPDx_INT_POLARITY;
 182                 else
 183                         tmp |= DC_HPDx_INT_POLARITY;
 184                 WREG32(DC_HPD4_INT_CONTROL, tmp);
 185                 break;
 186         case RADEON_HPD_5:
 187                 tmp = RREG32(DC_HPD5_INT_CONTROL);
 188                 if (connected)
 189                         tmp &= ~DC_HPDx_INT_POLARITY;
 190                 else
 191                         tmp |= DC_HPDx_INT_POLARITY;
 192                 WREG32(DC_HPD5_INT_CONTROL, tmp);
 193                         break;
 194         case RADEON_HPD_6:
 195                 tmp = RREG32(DC_HPD6_INT_CONTROL);
 196                 if (connected)
 197                         tmp &= ~DC_HPDx_INT_POLARITY;
 198                 else
 199                         tmp |= DC_HPDx_INT_POLARITY;
 200                 WREG32(DC_HPD6_INT_CONTROL, tmp);
 201                 break;
 202         default:
 203                 break;
 204         }
 205 }
 206
 207 void evergreen_hpd_init(struct radeon_device *rdev)
 208 {
 209         struct drm_device *dev = rdev->ddev;
 210         struct drm_connector *connector;
 211         u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
 212                 DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
 213
 214         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 215                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 216                 switch (radeon_connector->hpd.hpd) {
 217                 case RADEON_HPD_1:
 218                         WREG32(DC_HPD1_CONTROL, tmp);
 219                         rdev->irq.hpd[0] = true;
 220                         break;
 221                 case RADEON_HPD_2:
 222                         WREG32(DC_HPD2_CONTROL, tmp);
 223                         rdev->irq.hpd[1] = true;
 224                         break;
 225                 case RADEON_HPD_3:
 226                         WREG32(DC_HPD3_CONTROL, tmp);
 227                         rdev->irq.hpd[2] = true;
 228                         break;
 229                 case RADEON_HPD_4:
 230                         WREG32(DC_HPD4_CONTROL, tmp);
 231                         rdev->irq.hpd[3] = true;
 232                         break;
 233                 case RADEON_HPD_5:
 234                         WREG32(DC_HPD5_CONTROL, tmp);
 235                         rdev->irq.hpd[4] = true;
 236                         break;
 237                 case RADEON_HPD_6:
 238                         WREG32(DC_HPD6_CONTROL, tmp);
 239                         rdev->irq.hpd[5] = true;
 240                         break;
 241                 default:
 242                         break;
 243                 }
 244         }
 245         if (rdev->irq.installed)
 246                 evergreen_irq_set(rdev);
 247 }
 248
 249 void evergreen_hpd_fini(struct radeon_device *rdev)
 250 {
 251         struct drm_device *dev = rdev->ddev;
 252         struct drm_connector *connector;
 253
 254         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 255                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 256                 switch (radeon_connector->hpd.hpd) {
 257                 case RADEON_HPD_1:
 258                         WREG32(DC_HPD1_CONTROL, 0);
 259                         rdev->irq.hpd[0] = false;
 260                         break;
 261                 case RADEON_HPD_2:
 262                         WREG32(DC_HPD2_CONTROL, 0);
 263                         rdev->irq.hpd[1] = false;
 264                         break;
 265                 case RADEON_HPD_3:
 266                         WREG32(DC_HPD3_CONTROL, 0);
 267                         rdev->irq.hpd[2] = false;
 268                         break;
 269                 case RADEON_HPD_4:
 270                         WREG32(DC_HPD4_CONTROL, 0);
 271                         rdev->irq.hpd[3] = false;
 272                         break;
 273                 case RADEON_HPD_5:
 274                         WREG32(DC_HPD5_CONTROL, 0);
 275                         rdev->irq.hpd[4] = false;
 276                         break;
 277                 case RADEON_HPD_6:
 278                         WREG32(DC_HPD6_CONTROL, 0);
 279                         rdev->irq.hpd[5] = false;
 280                         break;
 281                 default:
 282                         break;
 283                 }
 284         }
 285 }
 286
 287 void evergreen_bandwidth_update(struct radeon_device *rdev)
 288 {
 289         /* XXX */
 290 }
 291
 292 static int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
 293 {
 294         unsigned i;
 295         u32 tmp;
 296
 297         for (i = 0; i < rdev->usec_timeout; i++) {
 298                 /* read MC_STATUS */
 299                 tmp = RREG32(SRBM_STATUS) & 0x1F00;
 300                 if (!tmp)
 301                         return 0;
 302                 udelay(1);
 303         }
 304         return -1;
 305 }
 306
 307 /*
 308  * GART
 309  */
 310 void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
 311 {
 312         unsigned i;
 313         u32 tmp;
 314
 315         WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
 316         for (i = 0; i < rdev->usec_timeout; i++) {
 317                 /* read MC_STATUS */
 318                 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
 319                 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
 320                 if (tmp == 2) {
 321                         printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
 322                         return;
 323                 }
 324                 if (tmp) {
 325                         return;
 326                 }
 327                 udelay(1);
 328         }
 329 }
 330
 331 int evergreen_pcie_gart_enable(struct radeon_device *rdev)
 332 {
 333         u32 tmp;
 334         int r;
 335
 336         if (rdev->gart.table.vram.robj == NULL) {
 337                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 338                 return -EINVAL;
 339         }
 340         r = radeon_gart_table_vram_pin(rdev);
 341         if (r)
 342                 return r;
 343         radeon_gart_restore(rdev);
 344         /* Setup L2 cache */
 345         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 346                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 347                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 348         WREG32(VM_L2_CNTL2, 0);
 349         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 350         /* Setup TLB control */
 351         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 352                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 353                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 354                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 355         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 356         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 357         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 358         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 359         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 360         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 361         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 362         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
 363         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
 364         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 365         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
 366                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
 367         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 368                         (u32)(rdev->dummy_page.addr >> 12));
 369         WREG32(VM_CONTEXT1_CNTL, 0);
 370
 371         evergreen_pcie_gart_tlb_flush(rdev);
 372         rdev->gart.ready = true;
 373         return 0;
 374 }
 375
 376 void evergreen_pcie_gart_disable(struct radeon_device *rdev)
 377 {
 378         u32 tmp;
 379         int r;
 380
 381         /* Disable all tables */
 382         WREG32(VM_CONTEXT0_CNTL, 0);
 383         WREG32(VM_CONTEXT1_CNTL, 0);
 384
 385         /* Setup L2 cache */
 386         WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
 387                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 388         WREG32(VM_L2_CNTL2, 0);
 389         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 390         /* Setup TLB control */
 391         tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 392         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 393         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 394         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 395         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 396         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 397         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 398         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 399         if (rdev->gart.table.vram.robj) {
 400                 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
 401                 if (likely(r == 0)) {
 402                         radeon_bo_kunmap(rdev->gart.table.vram.robj);
 403                         radeon_bo_unpin(rdev->gart.table.vram.robj);
 404                         radeon_bo_unreserve(rdev->gart.table.vram.robj);
 405                 }
 406         }
 407 }
 408
 409 void evergreen_pcie_gart_fini(struct radeon_device *rdev)
 410 {
 411         evergreen_pcie_gart_disable(rdev);
 412         radeon_gart_table_vram_free(rdev);
 413         radeon_gart_fini(rdev);
 414 }
 415
 416
 417 void evergreen_agp_enable(struct radeon_device *rdev)
 418 {
 419         u32 tmp;
 420
 421         /* Setup L2 cache */
 422         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 423                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 424                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 425         WREG32(VM_L2_CNTL2, 0);
 426         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 427         /* Setup TLB control */
 428         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 429                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 430                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 431                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 432         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 433         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 434         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 435         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 436         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 437         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 438         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 439         WREG32(VM_CONTEXT0_CNTL, 0);
 440         WREG32(VM_CONTEXT1_CNTL, 0);
 441 }
 442
 443 static void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
 444 {
 445         save->vga_control[0] = RREG32(D1VGA_CONTROL);
 446         save->vga_control[1] = RREG32(D2VGA_CONTROL);
 447         save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL);
 448         save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL);
 449         save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL);
 450         save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL);
 451         save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
 452         save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
 453         save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
 454         save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
 455         save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
 456         save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
 457         save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
 458         save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
 459
 460         /* Stop all video */
 461         WREG32(VGA_RENDER_CONTROL, 0);
 462         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
 463         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
 464         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
 465         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
 466         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
 467         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
 468         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 469         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 470         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 471         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 472         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 473         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 474         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 475         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 476         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 477         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 478         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 479         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 480
 481         WREG32(D1VGA_CONTROL, 0);
 482         WREG32(D2VGA_CONTROL, 0);
 483         WREG32(EVERGREEN_D3VGA_CONTROL, 0);
 484         WREG32(EVERGREEN_D4VGA_CONTROL, 0);
 485         WREG32(EVERGREEN_D5VGA_CONTROL, 0);
 486         WREG32(EVERGREEN_D6VGA_CONTROL, 0);
 487 }
 488
 489 static void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
 490 {
 491         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
 492                upper_32_bits(rdev->mc.vram_start));
 493         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
 494                upper_32_bits(rdev->mc.vram_start));
 495         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
 496                (u32)rdev->mc.vram_start);
 497         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
 498                (u32)rdev->mc.vram_start);
 499
 500         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
 501                upper_32_bits(rdev->mc.vram_start));
 502         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
 503                upper_32_bits(rdev->mc.vram_start));
 504         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
 505                (u32)rdev->mc.vram_start);
 506         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
 507                (u32)rdev->mc.vram_start);
 508
 509         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
 510                upper_32_bits(rdev->mc.vram_start));
 511         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
 512                upper_32_bits(rdev->mc.vram_start));
 513         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
 514                (u32)rdev->mc.vram_start);
 515         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
 516                (u32)rdev->mc.vram_start);
 517
 518         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
 519                upper_32_bits(rdev->mc.vram_start));
 520         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
 521                upper_32_bits(rdev->mc.vram_start));
 522         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
 523                (u32)rdev->mc.vram_start);
 524         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
 525                (u32)rdev->mc.vram_start);
 526
 527         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
 528                upper_32_bits(rdev->mc.vram_start));
 529         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
 530                upper_32_bits(rdev->mc.vram_start));
 531         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
 532                (u32)rdev->mc.vram_start);
 533         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
 534                (u32)rdev->mc.vram_start);
 535
 536         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
 537                upper_32_bits(rdev->mc.vram_start));
 538         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
 539                upper_32_bits(rdev->mc.vram_start));
 540         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
 541                (u32)rdev->mc.vram_start);
 542         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
 543                (u32)rdev->mc.vram_start);
 544
 545         WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
 546         WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
 547         /* Unlock host access */
 548         WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
 549         mdelay(1);
 550         /* Restore video state */
 551         WREG32(D1VGA_CONTROL, save->vga_control[0]);
 552         WREG32(D2VGA_CONTROL, save->vga_control[1]);
 553         WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]);
 554         WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]);
 555         WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]);
 556         WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]);
 557         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
 558         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
 559         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
 560         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
 561         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
 562         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
 563         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]);
 564         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]);
 565         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]);
 566         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]);
 567         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]);
 568         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]);
 569         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 570         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 571         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 572         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 573         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 574         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 575         WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
 576 }
 577
 578 static void evergreen_mc_program(struct radeon_device *rdev)
 579 {
 580         struct evergreen_mc_save save;
 581         u32 tmp;
 582         int i, j;
 583
 584         /* Initialize HDP */
 585         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
 586                 WREG32((0x2c14 + j), 0x00000000);
 587                 WREG32((0x2c18 + j), 0x00000000);
 588                 WREG32((0x2c1c + j), 0x00000000);
 589                 WREG32((0x2c20 + j), 0x00000000);
 590                 WREG32((0x2c24 + j), 0x00000000);
 591         }
 592         WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
 593
 594         evergreen_mc_stop(rdev, &save);
 595         if (evergreen_mc_wait_for_idle(rdev)) {
 596                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 597         }
 598         /* Lockout access through VGA aperture*/
 599         WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
 600         /* Update configuration */
 601         if (rdev->flags & RADEON_IS_AGP) {
 602                 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
 603                         /* VRAM before AGP */
 604                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 605                                 rdev->mc.vram_start >> 12);
 606                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 607                                 rdev->mc.gtt_end >> 12);
 608                 } else {
 609                         /* VRAM after AGP */
 610                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 611                                 rdev->mc.gtt_start >> 12);
 612                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 613                                 rdev->mc.vram_end >> 12);
 614                 }
 615         } else {
 616                 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 617                         rdev->mc.vram_start >> 12);
 618                 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 619                         rdev->mc.vram_end >> 12);
 620         }
 621         WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
 622         tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
 623         tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
 624         WREG32(MC_VM_FB_LOCATION, tmp);
 625         WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
 626         WREG32(HDP_NONSURFACE_INFO, (2 << 7));
 627         WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
 628         if (rdev->flags & RADEON_IS_AGP) {
 629                 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
 630                 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
 631                 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
 632         } else {
 633                 WREG32(MC_VM_AGP_BASE, 0);
 634                 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
 635                 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
 636         }
 637         if (evergreen_mc_wait_for_idle(rdev)) {
 638                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 639         }
 640         evergreen_mc_resume(rdev, &save);
 641         /* we need to own VRAM, so turn off the VGA renderer here
 642          * to stop it overwriting our objects */
 643         rv515_vga_render_disable(rdev);
 644 }
 645
 646 /*
 647  * CP.
 648  */
 649
 650 static int evergreen_cp_load_microcode(struct radeon_device *rdev)
 651 {
 652         const __be32 *fw_data;
 653         int i;
 654
 655         if (!rdev->me_fw || !rdev->pfp_fw)
 656                 return -EINVAL;
 657
 658         r700_cp_stop(rdev);
 659         WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0));
 660
 661         fw_data = (const __be32 *)rdev->pfp_fw->data;
 662         WREG32(CP_PFP_UCODE_ADDR, 0);
 663         for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
 664                 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
 665         WREG32(CP_PFP_UCODE_ADDR, 0);
 666
 667         fw_data = (const __be32 *)rdev->me_fw->data;
 668         WREG32(CP_ME_RAM_WADDR, 0);
 669         for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
 670                 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
 671
 672         WREG32(CP_PFP_UCODE_ADDR, 0);
 673         WREG32(CP_ME_RAM_WADDR, 0);
 674         WREG32(CP_ME_RAM_RADDR, 0);
 675         return 0;
 676 }
 677
 678 static int evergreen_cp_start(struct radeon_device *rdev)
 679 {
 680         int r;
 681         uint32_t cp_me;
 682
 683         r = radeon_ring_lock(rdev, 7);
 684         if (r) {
 685                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
 686                 return r;
 687         }
 688         radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
 689         radeon_ring_write(rdev, 0x1);
 690         radeon_ring_write(rdev, 0x0);
 691         radeon_ring_write(rdev, rdev->config.evergreen.max_hw_contexts - 1);
 692         radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
 693         radeon_ring_write(rdev, 0);
 694         radeon_ring_write(rdev, 0);
 695         radeon_ring_unlock_commit(rdev);
 696
 697         cp_me = 0xff;
 698         WREG32(CP_ME_CNTL, cp_me);
 699
 700         r = radeon_ring_lock(rdev, 4);
 701         if (r) {
 702                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
 703                 return r;
 704         }
 705         /* init some VGT regs */
 706         radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
 707         radeon_ring_write(rdev, (VGT_VERTEX_REUSE_BLOCK_CNTL - PACKET3_SET_CONTEXT_REG_START) >> 2);
 708         radeon_ring_write(rdev, 0xe);
 709         radeon_ring_write(rdev, 0x10);
 710         radeon_ring_unlock_commit(rdev);
 711
 712         return 0;
 713 }
 714
 715 int evergreen_cp_resume(struct radeon_device *rdev)
 716 {
 717         u32 tmp;
 718         u32 rb_bufsz;
 719         int r;
 720
 721         /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
 722         WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
 723                                  SOFT_RESET_PA |
 724                                  SOFT_RESET_SH |
 725                                  SOFT_RESET_VGT |
 726                                  SOFT_RESET_SX));
 727         RREG32(GRBM_SOFT_RESET);
 728         mdelay(15);
 729         WREG32(GRBM_SOFT_RESET, 0);
 730         RREG32(GRBM_SOFT_RESET);
 731
 732         /* Set ring buffer size */
 733         rb_bufsz = drm_order(rdev->cp.ring_size / 8);
 734         tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
 735 #ifdef __BIG_ENDIAN
 736         tmp |= BUF_SWAP_32BIT;
 737 #endif
 738         WREG32(CP_RB_CNTL, tmp);
 739         WREG32(CP_SEM_WAIT_TIMER, 0x4);
 740
 741         /* Set the write pointer delay */
 742         WREG32(CP_RB_WPTR_DELAY, 0);
 743
 744         /* Initialize the ring buffer's read and write pointers */
 745         WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
 746         WREG32(CP_RB_RPTR_WR, 0);
 747         WREG32(CP_RB_WPTR, 0);
 748
 749         /* set the wb address wether it's enabled or not */
 750         WREG32(CP_RB_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
 751         WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
 752         WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
 753
 754         if (rdev->wb.enabled)
 755                 WREG32(SCRATCH_UMSK, 0xff);
 756         else {
 757                 tmp |= RB_NO_UPDATE;
 758                 WREG32(SCRATCH_UMSK, 0);
 759         }
 760
 761         mdelay(1);
 762         WREG32(CP_RB_CNTL, tmp);
 763
 764         WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8);
 765         WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
 766
 767         rdev->cp.rptr = RREG32(CP_RB_RPTR);
 768         rdev->cp.wptr = RREG32(CP_RB_WPTR);
 769
 770         evergreen_cp_start(rdev);
 771         rdev->cp.ready = true;
 772         r = radeon_ring_test(rdev);
 773         if (r) {
 774                 rdev->cp.ready = false;
 775                 return r;
 776         }
 777         return 0;
 778 }
 779
 780 /*
 781  * Core functions
 782  */
 783 static u32 evergreen_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
 784                                                   u32 num_tile_pipes,
 785                                                   u32 num_backends,
 786                                                   u32 backend_disable_mask)
 787 {
 788         u32 backend_map = 0;
 789         u32 enabled_backends_mask = 0;
 790         u32 enabled_backends_count = 0;
 791         u32 cur_pipe;
 792         u32 swizzle_pipe[EVERGREEN_MAX_PIPES];
 793         u32 cur_backend = 0;
 794         u32 i;
 795         bool force_no_swizzle;
 796
 797         if (num_tile_pipes > EVERGREEN_MAX_PIPES)
 798                 num_tile_pipes = EVERGREEN_MAX_PIPES;
 799         if (num_tile_pipes < 1)
 800                 num_tile_pipes = 1;
 801         if (num_backends > EVERGREEN_MAX_BACKENDS)
 802                 num_backends = EVERGREEN_MAX_BACKENDS;
 803         if (num_backends < 1)
 804                 num_backends = 1;
 805
 806         for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
 807                 if (((backend_disable_mask >> i) & 1) == 0) {
 808                         enabled_backends_mask |= (1 << i);
 809                         ++enabled_backends_count;
 810                 }
 811                 if (enabled_backends_count == num_backends)
 812                         break;
 813         }
 814
 815         if (enabled_backends_count == 0) {
 816                 enabled_backends_mask = 1;
 817                 enabled_backends_count = 1;
 818         }
 819
 820         if (enabled_backends_count != num_backends)
 821                 num_backends = enabled_backends_count;
 822
 823         memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * EVERGREEN_MAX_PIPES);
 824         switch (rdev->family) {
 825         case CHIP_CEDAR:
 826         case CHIP_REDWOOD:
 827                 force_no_swizzle = false;
 828                 break;
 829         case CHIP_CYPRESS:
 830         case CHIP_HEMLOCK:
 831         case CHIP_JUNIPER:
 832         default:
 833                 force_no_swizzle = true;
 834                 break;
 835         }
 836         if (force_no_swizzle) {
 837                 bool last_backend_enabled = false;
 838
 839                 force_no_swizzle = false;
 840                 for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
 841                         if (((enabled_backends_mask >> i) & 1) == 1) {
 842                                 if (last_backend_enabled)
 843                                         force_no_swizzle = true;
 844                                 last_backend_enabled = true;
 845                         } else
 846                                 last_backend_enabled = false;
 847                 }
 848         }
 849
 850         switch (num_tile_pipes) {
 851         case 1:
 852         case 3:
 853         case 5:
 854         case 7:
 855                 DRM_ERROR("odd number of pipes!\n");
 856                 break;
 857         case 2:
 858                 swizzle_pipe[0] = 0;
 859                 swizzle_pipe[1] = 1;
 860                 break;
 861         case 4:
 862                 if (force_no_swizzle) {
 863                         swizzle_pipe[0] = 0;
 864                         swizzle_pipe[1] = 1;
 865                         swizzle_pipe[2] = 2;
 866                         swizzle_pipe[3] = 3;
 867                 } else {
 868                         swizzle_pipe[0] = 0;
 869                         swizzle_pipe[1] = 2;
 870                         swizzle_pipe[2] = 1;
 871                         swizzle_pipe[3] = 3;
 872                 }
 873                 break;
 874         case 6:
 875                 if (force_no_swizzle) {
 876                         swizzle_pipe[0] = 0;
 877                         swizzle_pipe[1] = 1;
 878                         swizzle_pipe[2] = 2;
 879                         swizzle_pipe[3] = 3;
 880                         swizzle_pipe[4] = 4;
 881                         swizzle_pipe[5] = 5;
 882                 } else {
 883                         swizzle_pipe[0] = 0;
 884                         swizzle_pipe[1] = 2;
 885                         swizzle_pipe[2] = 4;
 886                         swizzle_pipe[3] = 1;
 887                         swizzle_pipe[4] = 3;
 888                         swizzle_pipe[5] = 5;
 889                 }
 890                 break;
 891         case 8:
 892                 if (force_no_swizzle) {
 893                         swizzle_pipe[0] = 0;
 894                         swizzle_pipe[1] = 1;
 895                         swizzle_pipe[2] = 2;
 896                         swizzle_pipe[3] = 3;
 897                         swizzle_pipe[4] = 4;
 898                         swizzle_pipe[5] = 5;
 899                         swizzle_pipe[6] = 6;
 900                         swizzle_pipe[7] = 7;
 901                 } else {
 902                         swizzle_pipe[0] = 0;
 903                         swizzle_pipe[1] = 2;
 904                         swizzle_pipe[2] = 4;
 905                         swizzle_pipe[3] = 6;
 906                         swizzle_pipe[4] = 1;
 907                         swizzle_pipe[5] = 3;
 908                         swizzle_pipe[6] = 5;
 909                         swizzle_pipe[7] = 7;
 910                 }
 911                 break;
 912         }
 913
 914         for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
 915                 while (((1 << cur_backend) & enabled_backends_mask) == 0)
 916                         cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
 917
 918                 backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4)));
 919
 920                 cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
 921         }
 922
 923         return backend_map;
 924 }
 925
 926 static void evergreen_gpu_init(struct radeon_device *rdev)
 927 {
 928         u32 cc_rb_backend_disable = 0;
 929         u32 cc_gc_shader_pipe_config;
 930         u32 gb_addr_config = 0;
 931         u32 mc_shared_chmap, mc_arb_ramcfg;
 932         u32 gb_backend_map;
 933         u32 grbm_gfx_index;
 934         u32 sx_debug_1;
 935         u32 smx_dc_ctl0;
 936         u32 sq_config;
 937         u32 sq_lds_resource_mgmt;
 938         u32 sq_gpr_resource_mgmt_1;
 939         u32 sq_gpr_resource_mgmt_2;
 940         u32 sq_gpr_resource_mgmt_3;
 941         u32 sq_thread_resource_mgmt;
 942         u32 sq_thread_resource_mgmt_2;
 943         u32 sq_stack_resource_mgmt_1;
 944         u32 sq_stack_resource_mgmt_2;
 945         u32 sq_stack_resource_mgmt_3;
 946         u32 vgt_cache_invalidation;
 947         u32 hdp_host_path_cntl;
 948         int i, j, num_shader_engines, ps_thread_count;
 949
 950         switch (rdev->family) {
 951         case CHIP_CYPRESS:
 952         case CHIP_HEMLOCK:
 953                 rdev->config.evergreen.num_ses = 2;
 954                 rdev->config.evergreen.max_pipes = 4;
 955                 rdev->config.evergreen.max_tile_pipes = 8;
 956                 rdev->config.evergreen.max_simds = 10;
 957                 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
 958                 rdev->config.evergreen.max_gprs = 256;
 959                 rdev->config.evergreen.max_threads = 248;
 960                 rdev->config.evergreen.max_gs_threads = 32;
 961                 rdev->config.evergreen.max_stack_entries = 512;
 962                 rdev->config.evergreen.sx_num_of_sets = 4;
 963                 rdev->config.evergreen.sx_max_export_size = 256;
 964                 rdev->config.evergreen.sx_max_export_pos_size = 64;
 965                 rdev->config.evergreen.sx_max_export_smx_size = 192;
 966                 rdev->config.evergreen.max_hw_contexts = 8;
 967                 rdev->config.evergreen.sq_num_cf_insts = 2;
 968
 969                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
 970                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
 971                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
 972                 break;
 973         case CHIP_JUNIPER:
 974                 rdev->config.evergreen.num_ses = 1;
 975                 rdev->config.evergreen.max_pipes = 4;
 976                 rdev->config.evergreen.max_tile_pipes = 4;
 977                 rdev->config.evergreen.max_simds = 10;
 978                 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
 979                 rdev->config.evergreen.max_gprs = 256;
 980                 rdev->config.evergreen.max_threads = 248;
 981                 rdev->config.evergreen.max_gs_threads = 32;
 982                 rdev->config.evergreen.max_stack_entries = 512;
 983                 rdev->config.evergreen.sx_num_of_sets = 4;
 984                 rdev->config.evergreen.sx_max_export_size = 256;
 985                 rdev->config.evergreen.sx_max_export_pos_size = 64;
 986                 rdev->config.evergreen.sx_max_export_smx_size = 192;
 987                 rdev->config.evergreen.max_hw_contexts = 8;
 988                 rdev->config.evergreen.sq_num_cf_insts = 2;
 989
 990                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
 991                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
 992                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
 993                 break;
 994         case CHIP_REDWOOD:
 995                 rdev->config.evergreen.num_ses = 1;
 996                 rdev->config.evergreen.max_pipes = 4;
 997                 rdev->config.evergreen.max_tile_pipes = 4;
 998                 rdev->config.evergreen.max_simds = 5;
 999                 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1000                 rdev->config.evergreen.max_gprs = 256;
1001                 rdev->config.evergreen.max_threads = 248;
1002                 rdev->config.evergreen.max_gs_threads = 32;
1003                 rdev->config.evergreen.max_stack_entries = 256;
1004                 rdev->config.evergreen.sx_num_of_sets = 4;
1005                 rdev->config.evergreen.sx_max_export_size = 256;
1006                 rdev->config.evergreen.sx_max_export_pos_size = 64;
1007                 rdev->config.evergreen.sx_max_export_smx_size = 192;
1008                 rdev->config.evergreen.max_hw_contexts = 8;
1009                 rdev->config.evergreen.sq_num_cf_insts = 2;
1010
1011                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1012                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1013                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1014                 break;
1015         case CHIP_CEDAR:
1016         default:
1017                 rdev->config.evergreen.num_ses = 1;
1018                 rdev->config.evergreen.max_pipes = 2;
1019                 rdev->config.evergreen.max_tile_pipes = 2;
1020                 rdev->config.evergreen.max_simds = 2;
1021                 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1022                 rdev->config.evergreen.max_gprs = 256;
1023                 rdev->config.evergreen.max_threads = 192;
1024                 rdev->config.evergreen.max_gs_threads = 16;
1025                 rdev->config.evergreen.max_stack_entries = 256;
1026                 rdev->config.evergreen.sx_num_of_sets = 4;
1027                 rdev->config.evergreen.sx_max_export_size = 128;
1028                 rdev->config.evergreen.sx_max_export_pos_size = 32;
1029                 rdev->config.evergreen.sx_max_export_smx_size = 96;
1030                 rdev->config.evergreen.max_hw_contexts = 4;
1031                 rdev->config.evergreen.sq_num_cf_insts = 1;
1032
1033                 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1034                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1035                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1036                 break;
1037         }
1038
1039         /* Initialize HDP */
1040         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1041                 WREG32((0x2c14 + j), 0x00000000);
1042                 WREG32((0x2c18 + j), 0x00000000);
1043                 WREG32((0x2c1c + j), 0x00000000);
1044                 WREG32((0x2c20 + j), 0x00000000);
1045                 WREG32((0x2c24 + j), 0x00000000);
1046         }
1047
1048         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1049
1050         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & ~2;
1051
1052         cc_gc_shader_pipe_config |=
1053                 INACTIVE_QD_PIPES((EVERGREEN_MAX_PIPES_MASK << rdev->config.evergreen.max_pipes)
1054                                   & EVERGREEN_MAX_PIPES_MASK);
1055         cc_gc_shader_pipe_config |=
1056                 INACTIVE_SIMDS((EVERGREEN_MAX_SIMDS_MASK << rdev->config.evergreen.max_simds)
1057                                & EVERGREEN_MAX_SIMDS_MASK);
1058
1059         cc_rb_backend_disable =
1060                 BACKEND_DISABLE((EVERGREEN_MAX_BACKENDS_MASK << rdev->config.evergreen.max_backends)
1061                                 & EVERGREEN_MAX_BACKENDS_MASK);
1062
1063
1064         mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
1065         mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1066
1067         switch (rdev->config.evergreen.max_tile_pipes) {
1068         case 1:
1069         default:
1070                 gb_addr_config |= NUM_PIPES(0);
1071                 break;
1072         case 2:
1073                 gb_addr_config |= NUM_PIPES(1);
1074                 break;
1075         case 4:
1076                 gb_addr_config |= NUM_PIPES(2);
1077                 break;
1078         case 8:
1079                 gb_addr_config |= NUM_PIPES(3);
1080                 break;
1081         }
1082
1083         gb_addr_config |= PIPE_INTERLEAVE_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1084         gb_addr_config |= BANK_INTERLEAVE_SIZE(0);
1085         gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.evergreen.num_ses - 1);
1086         gb_addr_config |= SHADER_ENGINE_TILE_SIZE(1);
1087         gb_addr_config |= NUM_GPUS(0); /* Hemlock? */
1088         gb_addr_config |= MULTI_GPU_TILE_SIZE(2);
1089
1090         if (((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT) > 2)
1091                 gb_addr_config |= ROW_SIZE(2);
1092         else
1093                 gb_addr_config |= ROW_SIZE((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT);
1094
1095         if (rdev->ddev->pdev->device == 0x689e) {
1096                 u32 efuse_straps_4;
1097                 u32 efuse_straps_3;
1098                 u8 efuse_box_bit_131_124;
1099
1100                 WREG32(RCU_IND_INDEX, 0x204);
1101                 efuse_straps_4 = RREG32(RCU_IND_DATA);
1102                 WREG32(RCU_IND_INDEX, 0x203);
1103                 efuse_straps_3 = RREG32(RCU_IND_DATA);
1104                 efuse_box_bit_131_124 = (u8)(((efuse_straps_4 & 0xf) << 4) | ((efuse_straps_3 & 0xf0000000) >> 28));
1105
1106                 switch(efuse_box_bit_131_124) {
1107                 case 0x00:
1108                         gb_backend_map = 0x76543210;
1109                         break;
1110                 case 0x55:
1111                         gb_backend_map = 0x77553311;
1112                         break;
1113                 case 0x56:
1114                         gb_backend_map = 0x77553300;
1115                         break;
1116                 case 0x59:
1117                         gb_backend_map = 0x77552211;
1118                         break;
1119                 case 0x66:
1120                         gb_backend_map = 0x77443300;
1121                         break;
1122                 case 0x99:
1123                         gb_backend_map = 0x66552211;
1124                         break;
1125                 case 0x5a:
1126                         gb_backend_map = 0x77552200;
1127                         break;
1128                 case 0xaa:
1129                         gb_backend_map = 0x66442200;
1130                         break;
1131                 case 0x95:
1132                         gb_backend_map = 0x66553311;
1133                         break;
1134                 default:
1135                         DRM_ERROR("bad backend map, using default\n");
1136                         gb_backend_map =
1137                                 evergreen_get_tile_pipe_to_backend_map(rdev,
1138                                                                        rdev->config.evergreen.max_tile_pipes,
1139                                                                        rdev->config.evergreen.max_backends,
1140                                                                        ((EVERGREEN_MAX_BACKENDS_MASK <<
1141                                                                    rdev->config.evergreen.max_backends) &
1142                                                                         EVERGREEN_MAX_BACKENDS_MASK));
1143                         break;
1144                 }
1145         } else if (rdev->ddev->pdev->device == 0x68b9) {
1146                 u32 efuse_straps_3;
1147                 u8 efuse_box_bit_127_124;
1148
1149                 WREG32(RCU_IND_INDEX, 0x203);
1150                 efuse_straps_3 = RREG32(RCU_IND_DATA);
1151                 efuse_box_bit_127_124 = (u8)(efuse_straps_3 & 0xF0000000) >> 28;
1152
1153                 switch(efuse_box_bit_127_124) {
1154                 case 0x0:
1155                         gb_backend_map = 0x00003210;
1156                         break;
1157                 case 0x5:
1158                 case 0x6:
1159                 case 0x9:
1160                 case 0xa:
1161                         gb_backend_map = 0x00003311;
1162                         break;
1163                 default:
1164                         DRM_ERROR("bad backend map, using default\n");
1165                         gb_backend_map =
1166                                 evergreen_get_tile_pipe_to_backend_map(rdev,
1167                                                                        rdev->config.evergreen.max_tile_pipes,
1168                                                                        rdev->config.evergreen.max_backends,
1169                                                                        ((EVERGREEN_MAX_BACKENDS_MASK <<
1170                                                                    rdev->config.evergreen.max_backends) &
1171                                                                         EVERGREEN_MAX_BACKENDS_MASK));
1172                         break;
1173                 }
1174         } else {
1175                 switch (rdev->family) {
1176                 case CHIP_CYPRESS:
1177                 case CHIP_HEMLOCK:
1178                         gb_backend_map = 0x66442200;
1179                         break;
1180                 case CHIP_JUNIPER:
1181                         gb_backend_map = 0x00006420;
1182                         break;
1183                 default:
1184                         gb_backend_map =
1185                                 evergreen_get_tile_pipe_to_backend_map(rdev,
1186                                                                        rdev->config.evergreen.max_tile_pipes,
1187                                                                        rdev->config.evergreen.max_backends,
1188                                                                        ((EVERGREEN_MAX_BACKENDS_MASK <<
1189                                                                          rdev->config.evergreen.max_backends) &
1190                                                                         EVERGREEN_MAX_BACKENDS_MASK));
1191                 }
1192         }
1193
1194         rdev->config.evergreen.tile_config = gb_addr_config;
1195         WREG32(GB_BACKEND_MAP, gb_backend_map);
1196         WREG32(GB_ADDR_CONFIG, gb_addr_config);
1197         WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1198         WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1199
1200         num_shader_engines = ((RREG32(GB_ADDR_CONFIG) & NUM_SHADER_ENGINES(3)) >> 12) + 1;
1201         grbm_gfx_index = INSTANCE_BROADCAST_WRITES;
1202
1203         for (i = 0; i < rdev->config.evergreen.num_ses; i++) {
1204                 u32 rb = cc_rb_backend_disable | (0xf0 << 16);
1205                 u32 sp = cc_gc_shader_pipe_config;
1206                 u32 gfx = grbm_gfx_index | SE_INDEX(i);
1207
1208                 if (i == num_shader_engines) {
1209                         rb |= BACKEND_DISABLE(EVERGREEN_MAX_BACKENDS_MASK);
1210                         sp |= INACTIVE_SIMDS(EVERGREEN_MAX_SIMDS_MASK);
1211                 }
1212
1213                 WREG32(GRBM_GFX_INDEX, gfx);
1214                 WREG32(RLC_GFX_INDEX, gfx);
1215
1216                 WREG32(CC_RB_BACKEND_DISABLE, rb);
1217                 WREG32(CC_SYS_RB_BACKEND_DISABLE, rb);
1218                 WREG32(GC_USER_RB_BACKEND_DISABLE, rb);
1219                 WREG32(CC_GC_SHADER_PIPE_CONFIG, sp);
1220         }
1221
1222         grbm_gfx_index |= SE_BROADCAST_WRITES;
1223         WREG32(GRBM_GFX_INDEX, grbm_gfx_index);
1224         WREG32(RLC_GFX_INDEX, grbm_gfx_index);
1225
1226         WREG32(CGTS_SYS_TCC_DISABLE, 0);
1227         WREG32(CGTS_TCC_DISABLE, 0);
1228         WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1229         WREG32(CGTS_USER_TCC_DISABLE, 0);
1230
1231         /* set HW defaults for 3D engine */
1232         WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1233                                      ROQ_IB2_START(0x2b)));
1234
1235         WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1236
1237         WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
1238                              SYNC_GRADIENT |
1239                              SYNC_WALKER |
1240                              SYNC_ALIGNER));
1241
1242         sx_debug_1 = RREG32(SX_DEBUG_1);
1243         sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1244         WREG32(SX_DEBUG_1, sx_debug_1);
1245
1246
1247         smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1248         smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1249         smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
1250         WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1251
1252         WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
1253                                         POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
1254                                         SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
1255
1256         WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
1257                                  SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
1258                                  SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
1259
1260         WREG32(VGT_NUM_INSTANCES, 1);
1261         WREG32(SPI_CONFIG_CNTL, 0);
1262         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
1263         WREG32(CP_PERFMON_CNTL, 0);
1264
1265         WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
1266                                   FETCH_FIFO_HIWATER(0x4) |
1267                                   DONE_FIFO_HIWATER(0xe0) |
1268                                   ALU_UPDATE_FIFO_HIWATER(0x8)));
1269
1270         sq_config = RREG32(SQ_CONFIG);
1271         sq_config &= ~(PS_PRIO(3) |
1272                        VS_PRIO(3) |
1273                        GS_PRIO(3) |
1274                        ES_PRIO(3));
1275         sq_config |= (VC_ENABLE |
1276                       EXPORT_SRC_C |
1277                       PS_PRIO(0) |
1278                       VS_PRIO(1) |
1279                       GS_PRIO(2) |
1280                       ES_PRIO(3));
1281
1282         if (rdev->family == CHIP_CEDAR)
1283                 /* no vertex cache */
1284                 sq_config &= ~VC_ENABLE;
1285
1286         sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
1287
1288         sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
1289         sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
1290         sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
1291         sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
1292         sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
1293         sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
1294         sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
1295
1296         if (rdev->family == CHIP_CEDAR)
1297                 ps_thread_count = 96;
1298         else
1299                 ps_thread_count = 128;
1300
1301         sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
1302         sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1303         sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1304         sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1305         sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1306         sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1307
1308         sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1309         sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1310         sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1311         sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1312         sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1313         sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1314
1315         WREG32(SQ_CONFIG, sq_config);
1316         WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
1317         WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
1318         WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
1319         WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1320         WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
1321         WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
1322         WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
1323         WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
1324         WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
1325         WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
1326
1327         WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1328                                           FORCE_EOV_MAX_REZ_CNT(255)));
1329
1330         if (rdev->family == CHIP_CEDAR)
1331                 vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
1332         else
1333                 vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
1334         vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
1335         WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
1336
1337         WREG32(VGT_GS_VERTEX_REUSE, 16);
1338         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1339
1340         WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
1341         WREG32(VGT_OUT_DEALLOC_CNTL, 16);
1342
1343         WREG32(CB_PERF_CTR0_SEL_0, 0);
1344         WREG32(CB_PERF_CTR0_SEL_1, 0);
1345         WREG32(CB_PERF_CTR1_SEL_0, 0);
1346         WREG32(CB_PERF_CTR1_SEL_1, 0);
1347         WREG32(CB_PERF_CTR2_SEL_0, 0);
1348         WREG32(CB_PERF_CTR2_SEL_1, 0);
1349         WREG32(CB_PERF_CTR3_SEL_0, 0);
1350         WREG32(CB_PERF_CTR3_SEL_1, 0);
1351
1352         /* clear render buffer base addresses */
1353         WREG32(CB_COLOR0_BASE, 0);
1354         WREG32(CB_COLOR1_BASE, 0);
1355         WREG32(CB_COLOR2_BASE, 0);
1356         WREG32(CB_COLOR3_BASE, 0);
1357         WREG32(CB_COLOR4_BASE, 0);
1358         WREG32(CB_COLOR5_BASE, 0);
1359         WREG32(CB_COLOR6_BASE, 0);
1360         WREG32(CB_COLOR7_BASE, 0);
1361         WREG32(CB_COLOR8_BASE, 0);
1362         WREG32(CB_COLOR9_BASE, 0);
1363         WREG32(CB_COLOR10_BASE, 0);
1364         WREG32(CB_COLOR11_BASE, 0);
1365
1366         /* set the shader const cache sizes to 0 */
1367         for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
1368                 WREG32(i, 0);
1369         for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
1370                 WREG32(i, 0);
1371
1372         hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1373         WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1374
1375         WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1376
1377         udelay(50);
1378
1379 }
1380
1381 int evergreen_mc_init(struct radeon_device *rdev)
1382 {
1383         u32 tmp;
1384         int chansize, numchan;
1385
1386         /* Get VRAM informations */
1387         rdev->mc.vram_is_ddr = true;
1388         tmp = RREG32(MC_ARB_RAMCFG);
1389         if (tmp & CHANSIZE_OVERRIDE) {
1390                 chansize = 16;
1391         } else if (tmp & CHANSIZE_MASK) {
1392                 chansize = 64;
1393         } else {
1394                 chansize = 32;
1395         }
1396         tmp = RREG32(MC_SHARED_CHMAP);
1397         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1398         case 0:
1399         default:
1400                 numchan = 1;
1401                 break;
1402         case 1:
1403                 numchan = 2;
1404                 break;
1405         case 2:
1406                 numchan = 4;
1407                 break;
1408         case 3:
1409                 numchan = 8;
1410                 break;
1411         }
1412         rdev->mc.vram_width = numchan * chansize;
1413         /* Could aper size report 0 ? */
1414         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1415         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1416         /* Setup GPU memory space */
1417         /* size in MB on evergreen */
1418         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
1419         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
1420         rdev->mc.visible_vram_size = rdev->mc.aper_size;
1421         r600_vram_gtt_location(rdev, &rdev->mc);
1422         radeon_update_bandwidth_info(rdev);
1423
1424         return 0;
1425 }
1426
1427 bool evergreen_gpu_is_lockup(struct radeon_device *rdev)
1428 {
1429         /* FIXME: implement for evergreen */
1430         return false;
1431 }
1432
1433 static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
1434 {
1435         struct evergreen_mc_save save;
1436         u32 srbm_reset = 0;
1437         u32 grbm_reset = 0;
1438
1439         dev_info(rdev->dev, "GPU softreset \n");
1440         dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
1441                 RREG32(GRBM_STATUS));
1442         dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
1443                 RREG32(GRBM_STATUS_SE0));
1444         dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
1445                 RREG32(GRBM_STATUS_SE1));
1446         dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
1447                 RREG32(SRBM_STATUS));
1448         evergreen_mc_stop(rdev, &save);
1449         if (evergreen_mc_wait_for_idle(rdev)) {
1450                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1451         }
1452         /* Disable CP parsing/prefetching */
1453         WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1454
1455         /* reset all the gfx blocks */
1456         grbm_reset = (SOFT_RESET_CP |
1457                       SOFT_RESET_CB |
1458                       SOFT_RESET_DB |
1459                       SOFT_RESET_PA |
1460                       SOFT_RESET_SC |
1461                       SOFT_RESET_SPI |
1462                       SOFT_RESET_SH |
1463                       SOFT_RESET_SX |
1464                       SOFT_RESET_TC |
1465                       SOFT_RESET_TA |
1466                       SOFT_RESET_VC |
1467                       SOFT_RESET_VGT);
1468
1469         dev_info(rdev->dev, "  GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
1470         WREG32(GRBM_SOFT_RESET, grbm_reset);
1471         (void)RREG32(GRBM_SOFT_RESET);
1472         udelay(50);
1473         WREG32(GRBM_SOFT_RESET, 0);
1474         (void)RREG32(GRBM_SOFT_RESET);
1475
1476         /* reset all the system blocks */
1477         srbm_reset = SRBM_SOFT_RESET_ALL_MASK;
1478
1479         dev_info(rdev->dev, "  SRBM_SOFT_RESET=0x%08X\n", srbm_reset);
1480         WREG32(SRBM_SOFT_RESET, srbm_reset);
1481         (void)RREG32(SRBM_SOFT_RESET);
1482         udelay(50);
1483         WREG32(SRBM_SOFT_RESET, 0);
1484         (void)RREG32(SRBM_SOFT_RESET);
1485         /* Wait a little for things to settle down */
1486         udelay(50);
1487         dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
1488                 RREG32(GRBM_STATUS));
1489         dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
1490                 RREG32(GRBM_STATUS_SE0));
1491         dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
1492                 RREG32(GRBM_STATUS_SE1));
1493         dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
1494                 RREG32(SRBM_STATUS));
1495         /* After reset we need to reinit the asic as GPU often endup in an
1496          * incoherent state.
1497          */
1498         atom_asic_init(rdev->mode_info.atom_context);
1499         evergreen_mc_resume(rdev, &save);
1500         return 0;
1501 }
1502
1503 int evergreen_asic_reset(struct radeon_device *rdev)
1504 {
1505         return evergreen_gpu_soft_reset(rdev);
1506 }
1507
1508 /* Interrupts */
1509
1510 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
1511 {
1512         switch (crtc) {
1513         case 0:
1514                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC0_REGISTER_OFFSET);
1515         case 1:
1516                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC1_REGISTER_OFFSET);
1517         case 2:
1518                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC2_REGISTER_OFFSET);
1519         case 3:
1520                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC3_REGISTER_OFFSET);
1521         case 4:
1522                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC4_REGISTER_OFFSET);
1523         case 5:
1524                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC5_REGISTER_OFFSET);
1525         default:
1526                 return 0;
1527         }
1528 }
1529
1530 void evergreen_disable_interrupt_state(struct radeon_device *rdev)
1531 {
1532         u32 tmp;
1533
1534         WREG32(CP_INT_CNTL, 0);
1535         WREG32(GRBM_INT_CNTL, 0);
1536         WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1537         WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1538         WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1539         WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1540         WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1541         WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1542
1543         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1544         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1545         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1546         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1547         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1548         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1549
1550         WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
1551         WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
1552
1553         tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1554         WREG32(DC_HPD1_INT_CONTROL, tmp);
1555         tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1556         WREG32(DC_HPD2_INT_CONTROL, tmp);
1557         tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1558         WREG32(DC_HPD3_INT_CONTROL, tmp);
1559         tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1560         WREG32(DC_HPD4_INT_CONTROL, tmp);
1561         tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1562         WREG32(DC_HPD5_INT_CONTROL, tmp);
1563         tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1564         WREG32(DC_HPD6_INT_CONTROL, tmp);
1565
1566 }
1567
1568 int evergreen_irq_set(struct radeon_device *rdev)
1569 {
1570         u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
1571         u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
1572         u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
1573         u32 grbm_int_cntl = 0;
1574
1575         if (!rdev->irq.installed) {
1576                 WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
1577                 return -EINVAL;
1578         }
1579         /* don't enable anything if the ih is disabled */
1580         if (!rdev->ih.enabled) {
1581                 r600_disable_interrupts(rdev);
1582                 /* force the active interrupt state to all disabled */
1583                 evergreen_disable_interrupt_state(rdev);
1584                 return 0;
1585         }
1586
1587         hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
1588         hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
1589         hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
1590         hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
1591         hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
1592         hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
1593
1594         if (rdev->irq.sw_int) {
1595                 DRM_DEBUG("evergreen_irq_set: sw int\n");
1596                 cp_int_cntl |= RB_INT_ENABLE;
1597                 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
1598         }
1599         if (rdev->irq.crtc_vblank_int[0]) {
1600                 DRM_DEBUG("evergreen_irq_set: vblank 0\n");
1601                 crtc1 |= VBLANK_INT_MASK;
1602         }
1603         if (rdev->irq.crtc_vblank_int[1]) {
1604                 DRM_DEBUG("evergreen_irq_set: vblank 1\n");
1605                 crtc2 |= VBLANK_INT_MASK;
1606         }
1607         if (rdev->irq.crtc_vblank_int[2]) {
1608                 DRM_DEBUG("evergreen_irq_set: vblank 2\n");
1609                 crtc3 |= VBLANK_INT_MASK;
1610         }
1611         if (rdev->irq.crtc_vblank_int[3]) {
1612                 DRM_DEBUG("evergreen_irq_set: vblank 3\n");
1613                 crtc4 |= VBLANK_INT_MASK;
1614         }
1615         if (rdev->irq.crtc_vblank_int[4]) {
1616                 DRM_DEBUG("evergreen_irq_set: vblank 4\n");
1617                 crtc5 |= VBLANK_INT_MASK;
1618         }
1619         if (rdev->irq.crtc_vblank_int[5]) {
1620                 DRM_DEBUG("evergreen_irq_set: vblank 5\n");
1621                 crtc6 |= VBLANK_INT_MASK;
1622         }
1623         if (rdev->irq.hpd[0]) {
1624                 DRM_DEBUG("evergreen_irq_set: hpd 1\n");
1625                 hpd1 |= DC_HPDx_INT_EN;
1626         }
1627         if (rdev->irq.hpd[1]) {
1628                 DRM_DEBUG("evergreen_irq_set: hpd 2\n");
1629                 hpd2 |= DC_HPDx_INT_EN;
1630         }
1631         if (rdev->irq.hpd[2]) {
1632                 DRM_DEBUG("evergreen_irq_set: hpd 3\n");
1633                 hpd3 |= DC_HPDx_INT_EN;
1634         }
1635         if (rdev->irq.hpd[3]) {
1636                 DRM_DEBUG("evergreen_irq_set: hpd 4\n");
1637                 hpd4 |= DC_HPDx_INT_EN;
1638         }
1639         if (rdev->irq.hpd[4]) {
1640                 DRM_DEBUG("evergreen_irq_set: hpd 5\n");
1641                 hpd5 |= DC_HPDx_INT_EN;
1642         }
1643         if (rdev->irq.hpd[5]) {
1644                 DRM_DEBUG("evergreen_irq_set: hpd 6\n");
1645                 hpd6 |= DC_HPDx_INT_EN;
1646         }
1647         if (rdev->irq.gui_idle) {
1648                 DRM_DEBUG("gui idle\n");
1649                 grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
1650         }
1651
1652         WREG32(CP_INT_CNTL, cp_int_cntl);
1653         WREG32(GRBM_INT_CNTL, grbm_int_cntl);
1654
1655         WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
1656         WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
1657         WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
1658         WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
1659         WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
1660         WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
1661
1662         WREG32(DC_HPD1_INT_CONTROL, hpd1);
1663         WREG32(DC_HPD2_INT_CONTROL, hpd2);
1664         WREG32(DC_HPD3_INT_CONTROL, hpd3);
1665         WREG32(DC_HPD4_INT_CONTROL, hpd4);
1666         WREG32(DC_HPD5_INT_CONTROL, hpd5);
1667         WREG32(DC_HPD6_INT_CONTROL, hpd6);
1668
1669         return 0;
1670 }
1671
1672 static inline void evergreen_irq_ack(struct radeon_device *rdev,
1673                                      u32 *disp_int,
1674                                      u32 *disp_int_cont,
1675                                      u32 *disp_int_cont2,
1676                                      u32 *disp_int_cont3,
1677                                      u32 *disp_int_cont4,
1678                                      u32 *disp_int_cont5)
1679 {
1680         u32 tmp;
1681
1682         *disp_int = RREG32(DISP_INTERRUPT_STATUS);
1683         *disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
1684         *disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
1685         *disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
1686         *disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
1687         *disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
1688
1689         if (*disp_int & LB_D1_VBLANK_INTERRUPT)
1690                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
1691         if (*disp_int & LB_D1_VLINE_INTERRUPT)
1692                 WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
1693
1694         if (*disp_int_cont & LB_D2_VBLANK_INTERRUPT)
1695                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
1696         if (*disp_int_cont & LB_D2_VLINE_INTERRUPT)
1697                 WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
1698
1699         if (*disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
1700                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
1701         if (*disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
1702                 WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
1703
1704         if (*disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
1705                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
1706         if (*disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
1707                 WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
1708
1709         if (*disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
1710                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
1711         if (*disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
1712                 WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
1713
1714         if (*disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
1715                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
1716         if (*disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
1717                 WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
1718
1719         if (*disp_int & DC_HPD1_INTERRUPT) {
1720                 tmp = RREG32(DC_HPD1_INT_CONTROL);
1721                 tmp |= DC_HPDx_INT_ACK;
1722                 WREG32(DC_HPD1_INT_CONTROL, tmp);
1723         }
1724         if (*disp_int_cont & DC_HPD2_INTERRUPT) {
1725                 tmp = RREG32(DC_HPD2_INT_CONTROL);
1726                 tmp |= DC_HPDx_INT_ACK;
1727                 WREG32(DC_HPD2_INT_CONTROL, tmp);
1728         }
1729         if (*disp_int_cont2 & DC_HPD3_INTERRUPT) {
1730                 tmp = RREG32(DC_HPD3_INT_CONTROL);
1731                 tmp |= DC_HPDx_INT_ACK;
1732                 WREG32(DC_HPD3_INT_CONTROL, tmp);
1733         }
1734         if (*disp_int_cont3 & DC_HPD4_INTERRUPT) {
1735                 tmp = RREG32(DC_HPD4_INT_CONTROL);
1736                 tmp |= DC_HPDx_INT_ACK;
1737                 WREG32(DC_HPD4_INT_CONTROL, tmp);
1738         }
1739         if (*disp_int_cont4 & DC_HPD5_INTERRUPT) {
1740                 tmp = RREG32(DC_HPD5_INT_CONTROL);
1741                 tmp |= DC_HPDx_INT_ACK;
1742                 WREG32(DC_HPD5_INT_CONTROL, tmp);
1743         }
1744         if (*disp_int_cont5 & DC_HPD6_INTERRUPT) {
1745                 tmp = RREG32(DC_HPD5_INT_CONTROL);
1746                 tmp |= DC_HPDx_INT_ACK;
1747                 WREG32(DC_HPD6_INT_CONTROL, tmp);
1748         }
1749 }
1750
1751 void evergreen_irq_disable(struct radeon_device *rdev)
1752 {
1753         u32 disp_int, disp_int_cont, disp_int_cont2;
1754         u32 disp_int_cont3, disp_int_cont4, disp_int_cont5;
1755
1756         r600_disable_interrupts(rdev);
1757         /* Wait and acknowledge irq */
1758         mdelay(1);
1759         evergreen_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2,
1760                           &disp_int_cont3, &disp_int_cont4, &disp_int_cont5);
1761         evergreen_disable_interrupt_state(rdev);
1762 }
1763
1764 static void evergreen_irq_suspend(struct radeon_device *rdev)
1765 {
1766         evergreen_irq_disable(rdev);
1767         r600_rlc_stop(rdev);
1768 }
1769
1770 static inline u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
1771 {
1772         u32 wptr, tmp;
1773
1774         if (rdev->wb.enabled)
1775                 wptr = rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4];
1776         else
1777                 wptr = RREG32(IH_RB_WPTR);
1778
1779         if (wptr & RB_OVERFLOW) {
1780                 /* When a ring buffer overflow happen start parsing interrupt
1781                  * from the last not overwritten vector (wptr + 16). Hopefully
1782                  * this should allow us to catchup.
1783                  */
1784                 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
1785                         wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
1786                 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
1787                 tmp = RREG32(IH_RB_CNTL);
1788                 tmp |= IH_WPTR_OVERFLOW_CLEAR;
1789                 WREG32(IH_RB_CNTL, tmp);
1790         }
1791         return (wptr & rdev->ih.ptr_mask);
1792 }
1793
1794 int evergreen_irq_process(struct radeon_device *rdev)
1795 {
1796         u32 wptr = evergreen_get_ih_wptr(rdev);
1797         u32 rptr = rdev->ih.rptr;
1798         u32 src_id, src_data;
1799         u32 ring_index;
1800         u32 disp_int, disp_int_cont, disp_int_cont2;
1801         u32 disp_int_cont3, disp_int_cont4, disp_int_cont5;
1802         unsigned long flags;
1803         bool queue_hotplug = false;
1804
1805         DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
1806         if (!rdev->ih.enabled)
1807                 return IRQ_NONE;
1808
1809         spin_lock_irqsave(&rdev->ih.lock, flags);
1810
1811         if (rptr == wptr) {
1812                 spin_unlock_irqrestore(&rdev->ih.lock, flags);
1813                 return IRQ_NONE;
1814         }
1815         if (rdev->shutdown) {
1816                 spin_unlock_irqrestore(&rdev->ih.lock, flags);
1817                 return IRQ_NONE;
1818         }
1819
1820 restart_ih:
1821         /* display interrupts */
1822         evergreen_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2,
1823                           &disp_int_cont3, &disp_int_cont4, &disp_int_cont5);
1824
1825         rdev->ih.wptr = wptr;
1826         while (rptr != wptr) {
1827                 /* wptr/rptr are in bytes! */
1828                 ring_index = rptr / 4;
1829                 src_id =  rdev->ih.ring[ring_index] & 0xff;
1830                 src_data = rdev->ih.ring[ring_index + 1] & 0xfffffff;
1831
1832                 switch (src_id) {
1833                 case 1: /* D1 vblank/vline */
1834                         switch (src_data) {
1835                         case 0: /* D1 vblank */
1836                                 if (disp_int & LB_D1_VBLANK_INTERRUPT) {
1837                                         drm_handle_vblank(rdev->ddev, 0);
1838                                         wake_up(&rdev->irq.vblank_queue);
1839                                         disp_int &= ~LB_D1_VBLANK_INTERRUPT;
1840                                         DRM_DEBUG("IH: D1 vblank\n");
1841                                 }
1842                                 break;
1843                         case 1: /* D1 vline */
1844                                 if (disp_int & LB_D1_VLINE_INTERRUPT) {
1845                                         disp_int &= ~LB_D1_VLINE_INTERRUPT;
1846                                         DRM_DEBUG("IH: D1 vline\n");
1847                                 }
1848                                 break;
1849                         default:
1850                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1851                                 break;
1852                         }
1853                         break;
1854                 case 2: /* D2 vblank/vline */
1855                         switch (src_data) {
1856                         case 0: /* D2 vblank */
1857                                 if (disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
1858                                         drm_handle_vblank(rdev->ddev, 1);
1859                                         wake_up(&rdev->irq.vblank_queue);
1860                                         disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
1861                                         DRM_DEBUG("IH: D2 vblank\n");
1862                                 }
1863                                 break;
1864                         case 1: /* D2 vline */
1865                                 if (disp_int_cont & LB_D2_VLINE_INTERRUPT) {
1866                                         disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
1867                                         DRM_DEBUG("IH: D2 vline\n");
1868                                 }
1869                                 break;
1870                         default:
1871                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1872                                 break;
1873                         }
1874                         break;
1875                 case 3: /* D3 vblank/vline */
1876                         switch (src_data) {
1877                         case 0: /* D3 vblank */
1878                                 if (disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
1879                                         drm_handle_vblank(rdev->ddev, 2);
1880                                         wake_up(&rdev->irq.vblank_queue);
1881                                         disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
1882                                         DRM_DEBUG("IH: D3 vblank\n");
1883                                 }
1884                                 break;
1885                         case 1: /* D3 vline */
1886                                 if (disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
1887                                         disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
1888                                         DRM_DEBUG("IH: D3 vline\n");
1889                                 }
1890                                 break;
1891                         default:
1892                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1893                                 break;
1894                         }
1895                         break;
1896                 case 4: /* D4 vblank/vline */
1897                         switch (src_data) {
1898                         case 0: /* D4 vblank */
1899                                 if (disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
1900                                         drm_handle_vblank(rdev->ddev, 3);
1901                                         wake_up(&rdev->irq.vblank_queue);
1902                                         disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
1903                                         DRM_DEBUG("IH: D4 vblank\n");
1904                                 }
1905                                 break;
1906                         case 1: /* D4 vline */
1907                                 if (disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
1908                                         disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
1909                                         DRM_DEBUG("IH: D4 vline\n");
1910                                 }
1911                                 break;
1912                         default:
1913                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1914                                 break;
1915                         }
1916                         break;
1917                 case 5: /* D5 vblank/vline */
1918                         switch (src_data) {
1919                         case 0: /* D5 vblank */
1920                                 if (disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
1921                                         drm_handle_vblank(rdev->ddev, 4);
1922                                         wake_up(&rdev->irq.vblank_queue);
1923                                         disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
1924                                         DRM_DEBUG("IH: D5 vblank\n");
1925                                 }
1926                                 break;
1927                         case 1: /* D5 vline */
1928                                 if (disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
1929                                         disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
1930                                         DRM_DEBUG("IH: D5 vline\n");
1931                                 }
1932                                 break;
1933                         default:
1934                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1935                                 break;
1936                         }
1937                         break;
1938                 case 6: /* D6 vblank/vline */
1939                         switch (src_data) {
1940                         case 0: /* D6 vblank */
1941                                 if (disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
1942                                         drm_handle_vblank(rdev->ddev, 5);
1943                                         wake_up(&rdev->irq.vblank_queue);
1944                                         disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
1945                                         DRM_DEBUG("IH: D6 vblank\n");
1946                                 }
1947                                 break;
1948                         case 1: /* D6 vline */
1949                                 if (disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
1950                                         disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
1951                                         DRM_DEBUG("IH: D6 vline\n");
1952                                 }
1953                                 break;
1954                         default:
1955                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1956                                 break;
1957                         }
1958                         break;
1959                 case 42: /* HPD hotplug */
1960                         switch (src_data) {
1961                         case 0:
1962                                 if (disp_int & DC_HPD1_INTERRUPT) {
1963                                         disp_int &= ~DC_HPD1_INTERRUPT;
1964                                         queue_hotplug = true;
1965                                         DRM_DEBUG("IH: HPD1\n");
1966                                 }
1967                                 break;
1968                         case 1:
1969                                 if (disp_int_cont & DC_HPD2_INTERRUPT) {
1970                                         disp_int_cont &= ~DC_HPD2_INTERRUPT;
1971                                         queue_hotplug = true;
1972                                         DRM_DEBUG("IH: HPD2\n");
1973                                 }
1974                                 break;
1975                         case 2:
1976                                 if (disp_int_cont2 & DC_HPD3_INTERRUPT) {
1977                                         disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
1978                                         queue_hotplug = true;
1979                                         DRM_DEBUG("IH: HPD3\n");
1980                                 }
1981                                 break;
1982                         case 3:
1983                                 if (disp_int_cont3 & DC_HPD4_INTERRUPT) {
1984                                         disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
1985                                         queue_hotplug = true;
1986                                         DRM_DEBUG("IH: HPD4\n");
1987                                 }
1988                                 break;
1989                         case 4:
1990                                 if (disp_int_cont4 & DC_HPD5_INTERRUPT) {
1991                                         disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
1992                                         queue_hotplug = true;
1993                                         DRM_DEBUG("IH: HPD5\n");
1994                                 }
1995                                 break;
1996                         case 5:
1997                                 if (disp_int_cont5 & DC_HPD6_INTERRUPT) {
1998                                         disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
1999                                         queue_hotplug = true;
2000                                         DRM_DEBUG("IH: HPD6\n");
2001                                 }
2002                                 break;
2003                         default:
2004                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2005                                 break;
2006                         }
2007                         break;
2008                 case 176: /* CP_INT in ring buffer */
2009                 case 177: /* CP_INT in IB1 */
2010                 case 178: /* CP_INT in IB2 */
2011                         DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
2012                         radeon_fence_process(rdev);
2013                         break;
2014                 case 181: /* CP EOP event */
2015                         DRM_DEBUG("IH: CP EOP\n");
2016                         radeon_fence_process(rdev);
2017                         break;
2018                 case 233: /* GUI IDLE */
2019                         DRM_DEBUG("IH: CP EOP\n");
2020                         rdev->pm.gui_idle = true;
2021                         wake_up(&rdev->irq.idle_queue);
2022                         break;
2023                 default:
2024                         DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2025                         break;
2026                 }
2027
2028                 /* wptr/rptr are in bytes! */
2029                 rptr += 16;
2030                 rptr &= rdev->ih.ptr_mask;
2031         }
2032         /* make sure wptr hasn't changed while processing */
2033         wptr = evergreen_get_ih_wptr(rdev);
2034         if (wptr != rdev->ih.wptr)
2035                 goto restart_ih;
2036         if (queue_hotplug)
2037                 queue_work(rdev->wq, &rdev->hotplug_work);
2038         rdev->ih.rptr = rptr;
2039         WREG32(IH_RB_RPTR, rdev->ih.rptr);
2040         spin_unlock_irqrestore(&rdev->ih.lock, flags);
2041         return IRQ_HANDLED;
2042 }
2043
2044 static int evergreen_startup(struct radeon_device *rdev)
2045 {
2046         int r;
2047
2048         if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2049                 r = r600_init_microcode(rdev);
2050                 if (r) {
2051                         DRM_ERROR("Failed to load firmware!\n");
2052                         return r;
2053                 }
2054         }
2055
2056         evergreen_mc_program(rdev);
2057         if (rdev->flags & RADEON_IS_AGP) {
2058                 evergreen_agp_enable(rdev);
2059         } else {
2060                 r = evergreen_pcie_gart_enable(rdev);
2061                 if (r)
2062                         return r;
2063         }
2064         evergreen_gpu_init(rdev);
2065
2066         r = evergreen_blit_init(rdev);
2067         if (r) {
2068                 evergreen_blit_fini(rdev);
2069                 rdev->asic->copy = NULL;
2070                 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
2071         }
2072
2073         /* allocate wb buffer */
2074         r = radeon_wb_init(rdev);
2075         if (r)
2076                 return r;
2077
2078         /* Enable IRQ */
2079         r = r600_irq_init(rdev);
2080         if (r) {
2081                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
2082                 radeon_irq_kms_fini(rdev);
2083                 return r;
2084         }
2085         evergreen_irq_set(rdev);
2086
2087         r = radeon_ring_init(rdev, rdev->cp.ring_size);
2088         if (r)
2089                 return r;
2090         r = evergreen_cp_load_microcode(rdev);
2091         if (r)
2092                 return r;
2093         r = evergreen_cp_resume(rdev);
2094         if (r)
2095                 return r;
2096
2097         return 0;
2098 }
2099
2100 int evergreen_resume(struct radeon_device *rdev)
2101 {
2102         int r;
2103
2104         /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2105          * posting will perform necessary task to bring back GPU into good
2106          * shape.
2107          */
2108         /* post card */
2109         atom_asic_init(rdev->mode_info.atom_context);
2110
2111         r = evergreen_startup(rdev);
2112         if (r) {
2113                 DRM_ERROR("r600 startup failed on resume\n");
2114                 return r;
2115         }
2116
2117         r = r600_ib_test(rdev);
2118         if (r) {
2119                 DRM_ERROR("radeon: failled testing IB (%d).\n", r);
2120                 return r;
2121         }
2122
2123         return r;
2124
2125 }
2126
2127 int evergreen_suspend(struct radeon_device *rdev)
2128 {
2129         int r;
2130
2131         /* FIXME: we should wait for ring to be empty */
2132         r700_cp_stop(rdev);
2133         rdev->cp.ready = false;
2134         evergreen_irq_suspend(rdev);
2135         radeon_wb_disable(rdev);
2136         evergreen_pcie_gart_disable(rdev);
2137
2138         /* unpin shaders bo */
2139         r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
2140         if (likely(r == 0)) {
2141                 radeon_bo_unpin(rdev->r600_blit.shader_obj);
2142                 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
2143         }
2144
2145         return 0;
2146 }
2147
2148 int evergreen_copy_blit(struct radeon_device *rdev,
2149                         uint64_t src_offset, uint64_t dst_offset,
2150                         unsigned num_pages, struct radeon_fence *fence)
2151 {
2152         int r;
2153
2154         mutex_lock(&rdev->r600_blit.mutex);
2155         rdev->r600_blit.vb_ib = NULL;
2156         r = evergreen_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE);
2157         if (r) {
2158                 if (rdev->r600_blit.vb_ib)
2159                         radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
2160                 mutex_unlock(&rdev->r600_blit.mutex);
2161                 return r;
2162         }
2163         evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE);
2164         evergreen_blit_done_copy(rdev, fence);
2165         mutex_unlock(&rdev->r600_blit.mutex);
2166         return 0;
2167 }
2168
2169 static bool evergreen_card_posted(struct radeon_device *rdev)
2170 {
2171         u32 reg;
2172
2173         /* first check CRTCs */
2174         reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
2175                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) |
2176                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
2177                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) |
2178                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
2179                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
2180         if (reg & EVERGREEN_CRTC_MASTER_EN)
2181                 return true;
2182
2183         /* then check MEM_SIZE, in case the crtcs are off */
2184         if (RREG32(CONFIG_MEMSIZE))
2185                 return true;
2186
2187         return false;
2188 }
2189
2190 /* Plan is to move initialization in that function and use
2191  * helper function so that radeon_device_init pretty much
2192  * do nothing more than calling asic specific function. This
2193  * should also allow to remove a bunch of callback function
2194  * like vram_info.
2195  */
2196 int evergreen_init(struct radeon_device *rdev)
2197 {
2198         int r;
2199
2200         r = radeon_dummy_page_init(rdev);
2201         if (r)
2202                 return r;
2203         /* This don't do much */
2204         r = radeon_gem_init(rdev);
2205         if (r)
2206                 return r;
2207         /* Read BIOS */
2208         if (!radeon_get_bios(rdev)) {
2209                 if (ASIC_IS_AVIVO(rdev))
2210                         return -EINVAL;
2211         }
2212         /* Must be an ATOMBIOS */
2213         if (!rdev->is_atom_bios) {
2214                 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
2215                 return -EINVAL;
2216         }
2217         r = radeon_atombios_init(rdev);
2218         if (r)
2219                 return r;
2220         /* Post card if necessary */
2221         if (!evergreen_card_posted(rdev)) {
2222                 if (!rdev->bios) {
2223                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2224                         return -EINVAL;
2225                 }
2226                 DRM_INFO("GPU not posted. posting now...\n");
2227                 atom_asic_init(rdev->mode_info.atom_context);
2228         }
2229         /* Initialize scratch registers */
2230         r600_scratch_init(rdev);
2231         /* Initialize surface registers */
2232         radeon_surface_init(rdev);
2233         /* Initialize clocks */
2234         radeon_get_clock_info(rdev->ddev);
2235         /* Fence driver */
2236         r = radeon_fence_driver_init(rdev);
2237         if (r)
2238                 return r;
2239         /* initialize AGP */
2240         if (rdev->flags & RADEON_IS_AGP) {
2241                 r = radeon_agp_init(rdev);
2242                 if (r)
2243                         radeon_agp_disable(rdev);
2244         }
2245         /* initialize memory controller */
2246         r = evergreen_mc_init(rdev);
2247         if (r)
2248                 return r;
2249         /* Memory manager */
2250         r = radeon_bo_init(rdev);
2251         if (r)
2252                 return r;
2253
2254         r = radeon_irq_kms_init(rdev);
2255         if (r)
2256                 return r;
2257
2258         rdev->cp.ring_obj = NULL;
2259         r600_ring_init(rdev, 1024 * 1024);
2260
2261         rdev->ih.ring_obj = NULL;
2262         r600_ih_ring_init(rdev, 64 * 1024);
2263
2264         r = r600_pcie_gart_init(rdev);
2265         if (r)
2266                 return r;
2267
2268         rdev->accel_working = true;
2269         r = evergreen_startup(rdev);
2270         if (r) {
2271                 dev_err(rdev->dev, "disabling GPU acceleration\n");
2272                 r700_cp_fini(rdev);
2273                 r600_irq_fini(rdev);
2274                 radeon_wb_fini(rdev);
2275                 radeon_irq_kms_fini(rdev);
2276                 evergreen_pcie_gart_fini(rdev);
2277                 rdev->accel_working = false;
2278         }
2279         if (rdev->accel_working) {
2280                 r = radeon_ib_pool_init(rdev);
2281                 if (r) {
2282                         DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
2283                         rdev->accel_working = false;
2284                 }
2285                 r = r600_ib_test(rdev);
2286                 if (r) {
2287                         DRM_ERROR("radeon: failed testing IB (%d).\n", r);
2288                         rdev->accel_working = false;
2289                 }
2290         }
2291         return 0;
2292 }
2293
2294 void evergreen_fini(struct radeon_device *rdev)
2295 {
2296         evergreen_blit_fini(rdev);
2297         r700_cp_fini(rdev);
2298         r600_irq_fini(rdev);
2299         radeon_wb_fini(rdev);
2300         radeon_irq_kms_fini(rdev);
2301         evergreen_pcie_gart_fini(rdev);
2302         radeon_gem_fini(rdev);
2303         radeon_fence_driver_fini(rdev);
2304         radeon_agp_fini(rdev);
2305         radeon_bo_fini(rdev);
2306         radeon_atombios_fini(rdev);
2307         kfree(rdev->bios);
2308         rdev->bios = NULL;
2309         radeon_dummy_page_fini(rdev);
2310 }