linux/drivers/gpu/drm/radeon/r600_blit_kms.c
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   1#include "drmP.h"
   2#include "drm.h"
   3#include "radeon_drm.h"
   4#include "radeon.h"
   5
   6#include "r600d.h"
   7#include "r600_blit_shaders.h"
   8
   9#define DI_PT_RECTLIST        0x11
  10#define DI_INDEX_SIZE_16_BIT  0x0
  11#define DI_SRC_SEL_AUTO_INDEX 0x2
  12
  13#define FMT_8                 0x1
  14#define FMT_5_6_5             0x8
  15#define FMT_8_8_8_8           0x1a
  16#define COLOR_8               0x1
  17#define COLOR_5_6_5           0x8
  18#define COLOR_8_8_8_8         0x1a
  19
  20/* emits 21 on rv770+, 23 on r600 */
  21static void
  22set_render_target(struct radeon_device *rdev, int format,
  23                  int w, int h, u64 gpu_addr)
  24{
  25        u32 cb_color_info;
  26        int pitch, slice;
  27
  28        h = (h + 7) & ~7;
  29        if (h < 8)
  30                h = 8;
  31
  32        cb_color_info = ((format << 2) | (1 << 27));
  33        pitch = (w / 8) - 1;
  34        slice = ((w * h) / 64) - 1;
  35
  36        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
  37        radeon_ring_write(rdev, (CB_COLOR0_BASE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
  38        radeon_ring_write(rdev, gpu_addr >> 8);
  39
  40        if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770) {
  41                radeon_ring_write(rdev, PACKET3(PACKET3_SURFACE_BASE_UPDATE, 0));
  42                radeon_ring_write(rdev, 2 << 0);
  43        }
  44
  45        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
  46        radeon_ring_write(rdev, (CB_COLOR0_SIZE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
  47        radeon_ring_write(rdev, (pitch << 0) | (slice << 10));
  48
  49        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
  50        radeon_ring_write(rdev, (CB_COLOR0_VIEW - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
  51        radeon_ring_write(rdev, 0);
  52
  53        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
  54        radeon_ring_write(rdev, (CB_COLOR0_INFO - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
  55        radeon_ring_write(rdev, cb_color_info);
  56
  57        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
  58        radeon_ring_write(rdev, (CB_COLOR0_TILE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
  59        radeon_ring_write(rdev, 0);
  60
  61        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
  62        radeon_ring_write(rdev, (CB_COLOR0_FRAG - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
  63        radeon_ring_write(rdev, 0);
  64
  65        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
  66        radeon_ring_write(rdev, (CB_COLOR0_MASK - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
  67        radeon_ring_write(rdev, 0);
  68}
  69
  70/* emits 5dw */
  71static void
  72cp_set_surface_sync(struct radeon_device *rdev,
  73                    u32 sync_type, u32 size,
  74                    u64 mc_addr)
  75{
  76        u32 cp_coher_size;
  77
  78        if (size == 0xffffffff)
  79                cp_coher_size = 0xffffffff;
  80        else
  81                cp_coher_size = ((size + 255) >> 8);
  82
  83        radeon_ring_write(rdev, PACKET3(PACKET3_SURFACE_SYNC, 3));
  84        radeon_ring_write(rdev, sync_type);
  85        radeon_ring_write(rdev, cp_coher_size);
  86        radeon_ring_write(rdev, mc_addr >> 8);
  87        radeon_ring_write(rdev, 10); /* poll interval */
  88}
  89
  90/* emits 21dw + 1 surface sync = 26dw */
  91static void
  92set_shaders(struct radeon_device *rdev)
  93{
  94        u64 gpu_addr;
  95        u32 sq_pgm_resources;
  96
  97        /* setup shader regs */
  98        sq_pgm_resources = (1 << 0);
  99
 100        /* VS */
 101        gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset;
 102        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
 103        radeon_ring_write(rdev, (SQ_PGM_START_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
 104        radeon_ring_write(rdev, gpu_addr >> 8);
 105
 106        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
 107        radeon_ring_write(rdev, (SQ_PGM_RESOURCES_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
 108        radeon_ring_write(rdev, sq_pgm_resources);
 109
 110        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
 111        radeon_ring_write(rdev, (SQ_PGM_CF_OFFSET_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
 112        radeon_ring_write(rdev, 0);
 113
 114        /* PS */
 115        gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.ps_offset;
 116        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
 117        radeon_ring_write(rdev, (SQ_PGM_START_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
 118        radeon_ring_write(rdev, gpu_addr >> 8);
 119
 120        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
 121        radeon_ring_write(rdev, (SQ_PGM_RESOURCES_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
 122        radeon_ring_write(rdev, sq_pgm_resources | (1 << 28));
 123
 124        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
 125        radeon_ring_write(rdev, (SQ_PGM_EXPORTS_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
 126        radeon_ring_write(rdev, 2);
 127
 128        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1));
 129        radeon_ring_write(rdev, (SQ_PGM_CF_OFFSET_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
 130        radeon_ring_write(rdev, 0);
 131
 132        gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset;
 133        cp_set_surface_sync(rdev, PACKET3_SH_ACTION_ENA, 512, gpu_addr);
 134}
 135
 136/* emits 9 + 1 sync (5) = 14*/
 137static void
 138set_vtx_resource(struct radeon_device *rdev, u64 gpu_addr)
 139{
 140        u32 sq_vtx_constant_word2;
 141
 142        sq_vtx_constant_word2 = ((upper_32_bits(gpu_addr) & 0xff) | (16 << 8));
 143
 144        radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 7));
 145        radeon_ring_write(rdev, 0x460);
 146        radeon_ring_write(rdev, gpu_addr & 0xffffffff);
 147        radeon_ring_write(rdev, 48 - 1);
 148        radeon_ring_write(rdev, sq_vtx_constant_word2);
 149        radeon_ring_write(rdev, 1 << 0);
 150        radeon_ring_write(rdev, 0);
 151        radeon_ring_write(rdev, 0);
 152        radeon_ring_write(rdev, SQ_TEX_VTX_VALID_BUFFER << 30);
 153
 154        if ((rdev->family == CHIP_RV610) ||
 155            (rdev->family == CHIP_RV620) ||
 156            (rdev->family == CHIP_RS780) ||
 157            (rdev->family == CHIP_RS880) ||
 158            (rdev->family == CHIP_RV710))
 159                cp_set_surface_sync(rdev,
 160                                    PACKET3_TC_ACTION_ENA, 48, gpu_addr);
 161        else
 162                cp_set_surface_sync(rdev,
 163                                    PACKET3_VC_ACTION_ENA, 48, gpu_addr);
 164}
 165
 166/* emits 9 */
 167static void
 168set_tex_resource(struct radeon_device *rdev,
 169                 int format, int w, int h, int pitch,
 170                 u64 gpu_addr)
 171{
 172        uint32_t sq_tex_resource_word0, sq_tex_resource_word1, sq_tex_resource_word4;
 173
 174        if (h < 1)
 175                h = 1;
 176
 177        sq_tex_resource_word0 = (1 << 0);
 178        sq_tex_resource_word0 |= ((((pitch >> 3) - 1) << 8) |
 179                                  ((w - 1) << 19));
 180
 181        sq_tex_resource_word1 = (format << 26);
 182        sq_tex_resource_word1 |= ((h - 1) << 0);
 183
 184        sq_tex_resource_word4 = ((1 << 14) |
 185                                 (0 << 16) |
 186                                 (1 << 19) |
 187                                 (2 << 22) |
 188                                 (3 << 25));
 189
 190        radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 7));
 191        radeon_ring_write(rdev, 0);
 192        radeon_ring_write(rdev, sq_tex_resource_word0);
 193        radeon_ring_write(rdev, sq_tex_resource_word1);
 194        radeon_ring_write(rdev, gpu_addr >> 8);
 195        radeon_ring_write(rdev, gpu_addr >> 8);
 196        radeon_ring_write(rdev, sq_tex_resource_word4);
 197        radeon_ring_write(rdev, 0);
 198        radeon_ring_write(rdev, SQ_TEX_VTX_VALID_TEXTURE << 30);
 199}
 200
 201/* emits 12 */
 202static void
 203set_scissors(struct radeon_device *rdev, int x1, int y1,
 204             int x2, int y2)
 205{
 206        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
 207        radeon_ring_write(rdev, (PA_SC_SCREEN_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
 208        radeon_ring_write(rdev, (x1 << 0) | (y1 << 16));
 209        radeon_ring_write(rdev, (x2 << 0) | (y2 << 16));
 210
 211        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
 212        radeon_ring_write(rdev, (PA_SC_GENERIC_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
 213        radeon_ring_write(rdev, (x1 << 0) | (y1 << 16) | (1 << 31));
 214        radeon_ring_write(rdev, (x2 << 0) | (y2 << 16));
 215
 216        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
 217        radeon_ring_write(rdev, (PA_SC_WINDOW_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2);
 218        radeon_ring_write(rdev, (x1 << 0) | (y1 << 16) | (1 << 31));
 219        radeon_ring_write(rdev, (x2 << 0) | (y2 << 16));
 220}
 221
 222/* emits 10 */
 223static void
 224draw_auto(struct radeon_device *rdev)
 225{
 226        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
 227        radeon_ring_write(rdev, (VGT_PRIMITIVE_TYPE - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
 228        radeon_ring_write(rdev, DI_PT_RECTLIST);
 229
 230        radeon_ring_write(rdev, PACKET3(PACKET3_INDEX_TYPE, 0));
 231        radeon_ring_write(rdev, DI_INDEX_SIZE_16_BIT);
 232
 233        radeon_ring_write(rdev, PACKET3(PACKET3_NUM_INSTANCES, 0));
 234        radeon_ring_write(rdev, 1);
 235
 236        radeon_ring_write(rdev, PACKET3(PACKET3_DRAW_INDEX_AUTO, 1));
 237        radeon_ring_write(rdev, 3);
 238        radeon_ring_write(rdev, DI_SRC_SEL_AUTO_INDEX);
 239
 240}
 241
 242/* emits 14 */
 243static void
 244set_default_state(struct radeon_device *rdev)
 245{
 246        u32 sq_config, sq_gpr_resource_mgmt_1, sq_gpr_resource_mgmt_2;
 247        u32 sq_thread_resource_mgmt, sq_stack_resource_mgmt_1, sq_stack_resource_mgmt_2;
 248        int num_ps_gprs, num_vs_gprs, num_temp_gprs, num_gs_gprs, num_es_gprs;
 249        int num_ps_threads, num_vs_threads, num_gs_threads, num_es_threads;
 250        int num_ps_stack_entries, num_vs_stack_entries, num_gs_stack_entries, num_es_stack_entries;
 251        u64 gpu_addr;
 252        int dwords;
 253
 254        switch (rdev->family) {
 255        case CHIP_R600:
 256                num_ps_gprs = 192;
 257                num_vs_gprs = 56;
 258                num_temp_gprs = 4;
 259                num_gs_gprs = 0;
 260                num_es_gprs = 0;
 261                num_ps_threads = 136;
 262                num_vs_threads = 48;
 263                num_gs_threads = 4;
 264                num_es_threads = 4;
 265                num_ps_stack_entries = 128;
 266                num_vs_stack_entries = 128;
 267                num_gs_stack_entries = 0;
 268                num_es_stack_entries = 0;
 269                break;
 270        case CHIP_RV630:
 271        case CHIP_RV635:
 272                num_ps_gprs = 84;
 273                num_vs_gprs = 36;
 274                num_temp_gprs = 4;
 275                num_gs_gprs = 0;
 276                num_es_gprs = 0;
 277                num_ps_threads = 144;
 278                num_vs_threads = 40;
 279                num_gs_threads = 4;
 280                num_es_threads = 4;
 281                num_ps_stack_entries = 40;
 282                num_vs_stack_entries = 40;
 283                num_gs_stack_entries = 32;
 284                num_es_stack_entries = 16;
 285                break;
 286        case CHIP_RV610:
 287        case CHIP_RV620:
 288        case CHIP_RS780:
 289        case CHIP_RS880:
 290        default:
 291                num_ps_gprs = 84;
 292                num_vs_gprs = 36;
 293                num_temp_gprs = 4;
 294                num_gs_gprs = 0;
 295                num_es_gprs = 0;
 296                num_ps_threads = 136;
 297                num_vs_threads = 48;
 298                num_gs_threads = 4;
 299                num_es_threads = 4;
 300                num_ps_stack_entries = 40;
 301                num_vs_stack_entries = 40;
 302                num_gs_stack_entries = 32;
 303                num_es_stack_entries = 16;
 304                break;
 305        case CHIP_RV670:
 306                num_ps_gprs = 144;
 307                num_vs_gprs = 40;
 308                num_temp_gprs = 4;
 309                num_gs_gprs = 0;
 310                num_es_gprs = 0;
 311                num_ps_threads = 136;
 312                num_vs_threads = 48;
 313                num_gs_threads = 4;
 314                num_es_threads = 4;
 315                num_ps_stack_entries = 40;
 316                num_vs_stack_entries = 40;
 317                num_gs_stack_entries = 32;
 318                num_es_stack_entries = 16;
 319                break;
 320        case CHIP_RV770:
 321                num_ps_gprs = 192;
 322                num_vs_gprs = 56;
 323                num_temp_gprs = 4;
 324                num_gs_gprs = 0;
 325                num_es_gprs = 0;
 326                num_ps_threads = 188;
 327                num_vs_threads = 60;
 328                num_gs_threads = 0;
 329                num_es_threads = 0;
 330                num_ps_stack_entries = 256;
 331                num_vs_stack_entries = 256;
 332                num_gs_stack_entries = 0;
 333                num_es_stack_entries = 0;
 334                break;
 335        case CHIP_RV730:
 336        case CHIP_RV740:
 337                num_ps_gprs = 84;
 338                num_vs_gprs = 36;
 339                num_temp_gprs = 4;
 340                num_gs_gprs = 0;
 341                num_es_gprs = 0;
 342                num_ps_threads = 188;
 343                num_vs_threads = 60;
 344                num_gs_threads = 0;
 345                num_es_threads = 0;
 346                num_ps_stack_entries = 128;
 347                num_vs_stack_entries = 128;
 348                num_gs_stack_entries = 0;
 349                num_es_stack_entries = 0;
 350                break;
 351        case CHIP_RV710:
 352                num_ps_gprs = 192;
 353                num_vs_gprs = 56;
 354                num_temp_gprs = 4;
 355                num_gs_gprs = 0;
 356                num_es_gprs = 0;
 357                num_ps_threads = 144;
 358                num_vs_threads = 48;
 359                num_gs_threads = 0;
 360                num_es_threads = 0;
 361                num_ps_stack_entries = 128;
 362                num_vs_stack_entries = 128;
 363                num_gs_stack_entries = 0;
 364                num_es_stack_entries = 0;
 365                break;
 366        }
 367
 368        if ((rdev->family == CHIP_RV610) ||
 369            (rdev->family == CHIP_RV620) ||
 370            (rdev->family == CHIP_RS780) ||
 371            (rdev->family == CHIP_RS880) ||
 372            (rdev->family == CHIP_RV710))
 373                sq_config = 0;
 374        else
 375                sq_config = VC_ENABLE;
 376
 377        sq_config |= (DX9_CONSTS |
 378                      ALU_INST_PREFER_VECTOR |
 379                      PS_PRIO(0) |
 380                      VS_PRIO(1) |
 381                      GS_PRIO(2) |
 382                      ES_PRIO(3));
 383
 384        sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(num_ps_gprs) |
 385                                  NUM_VS_GPRS(num_vs_gprs) |
 386                                  NUM_CLAUSE_TEMP_GPRS(num_temp_gprs));
 387        sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(num_gs_gprs) |
 388                                  NUM_ES_GPRS(num_es_gprs));
 389        sq_thread_resource_mgmt = (NUM_PS_THREADS(num_ps_threads) |
 390                                   NUM_VS_THREADS(num_vs_threads) |
 391                                   NUM_GS_THREADS(num_gs_threads) |
 392                                   NUM_ES_THREADS(num_es_threads));
 393        sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(num_ps_stack_entries) |
 394                                    NUM_VS_STACK_ENTRIES(num_vs_stack_entries));
 395        sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(num_gs_stack_entries) |
 396                                    NUM_ES_STACK_ENTRIES(num_es_stack_entries));
 397
 398        /* emit an IB pointing at default state */
 399        dwords = (rdev->r600_blit.state_len + 0xf) & ~0xf;
 400        gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.state_offset;
 401        radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
 402        radeon_ring_write(rdev, gpu_addr & 0xFFFFFFFC);
 403        radeon_ring_write(rdev, upper_32_bits(gpu_addr) & 0xFF);
 404        radeon_ring_write(rdev, dwords);
 405
 406        radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0));
 407        radeon_ring_write(rdev, CACHE_FLUSH_AND_INV_EVENT);
 408        /* SQ config */
 409        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 6));
 410        radeon_ring_write(rdev, (SQ_CONFIG - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
 411        radeon_ring_write(rdev, sq_config);
 412        radeon_ring_write(rdev, sq_gpr_resource_mgmt_1);
 413        radeon_ring_write(rdev, sq_gpr_resource_mgmt_2);
 414        radeon_ring_write(rdev, sq_thread_resource_mgmt);
 415        radeon_ring_write(rdev, sq_stack_resource_mgmt_1);
 416        radeon_ring_write(rdev, sq_stack_resource_mgmt_2);
 417}
 418
 419static inline uint32_t i2f(uint32_t input)
 420{
 421        u32 result, i, exponent, fraction;
 422
 423        if ((input & 0x3fff) == 0)
 424                result = 0; /* 0 is a special case */
 425        else {
 426                exponent = 140; /* exponent biased by 127; */
 427                fraction = (input & 0x3fff) << 10; /* cheat and only
 428                                                      handle numbers below 2^^15 */
 429                for (i = 0; i < 14; i++) {
 430                        if (fraction & 0x800000)
 431                                break;
 432                        else {
 433                                fraction = fraction << 1; /* keep
 434                                                             shifting left until top bit = 1 */
 435                                exponent = exponent - 1;
 436                        }
 437                }
 438                result = exponent << 23 | (fraction & 0x7fffff); /* mask
 439                                                                    off top bit; assumed 1 */
 440        }
 441        return result;
 442}
 443
 444int r600_blit_init(struct radeon_device *rdev)
 445{
 446        u32 obj_size;
 447        int r, dwords;
 448        void *ptr;
 449        u32 packet2s[16];
 450        int num_packet2s = 0;
 451
 452        rdev->r600_blit.state_offset = 0;
 453
 454        if (rdev->family >= CHIP_RV770)
 455                rdev->r600_blit.state_len = r7xx_default_size;
 456        else
 457                rdev->r600_blit.state_len = r6xx_default_size;
 458
 459        dwords = rdev->r600_blit.state_len;
 460        while (dwords & 0xf) {
 461                packet2s[num_packet2s++] = PACKET2(0);
 462                dwords++;
 463        }
 464
 465        obj_size = dwords * 4;
 466        obj_size = ALIGN(obj_size, 256);
 467
 468        rdev->r600_blit.vs_offset = obj_size;
 469        obj_size += r6xx_vs_size * 4;
 470        obj_size = ALIGN(obj_size, 256);
 471
 472        rdev->r600_blit.ps_offset = obj_size;
 473        obj_size += r6xx_ps_size * 4;
 474        obj_size = ALIGN(obj_size, 256);
 475
 476        r = radeon_object_create(rdev, NULL, obj_size,
 477                                 true, RADEON_GEM_DOMAIN_VRAM,
 478                                 false, &rdev->r600_blit.shader_obj);
 479        if (r) {
 480                DRM_ERROR("r600 failed to allocate shader\n");
 481                return r;
 482        }
 483
 484        DRM_DEBUG("r6xx blit allocated bo %08x vs %08x ps %08x\n",
 485                  obj_size,
 486                  rdev->r600_blit.vs_offset, rdev->r600_blit.ps_offset);
 487
 488        r = radeon_object_kmap(rdev->r600_blit.shader_obj, &ptr);
 489        if (r) {
 490                DRM_ERROR("failed to map blit object %d\n", r);
 491                return r;
 492        }
 493
 494        if (rdev->family >= CHIP_RV770)
 495                memcpy_toio(ptr + rdev->r600_blit.state_offset,
 496                            r7xx_default_state, rdev->r600_blit.state_len * 4);
 497        else
 498                memcpy_toio(ptr + rdev->r600_blit.state_offset,
 499                            r6xx_default_state, rdev->r600_blit.state_len * 4);
 500        if (num_packet2s)
 501                memcpy_toio(ptr + rdev->r600_blit.state_offset + (rdev->r600_blit.state_len * 4),
 502                            packet2s, num_packet2s * 4);
 503
 504
 505        memcpy(ptr + rdev->r600_blit.vs_offset, r6xx_vs, r6xx_vs_size * 4);
 506        memcpy(ptr + rdev->r600_blit.ps_offset, r6xx_ps, r6xx_ps_size * 4);
 507
 508        radeon_object_kunmap(rdev->r600_blit.shader_obj);
 509        return 0;
 510}
 511
 512void r600_blit_fini(struct radeon_device *rdev)
 513{
 514        radeon_object_unpin(rdev->r600_blit.shader_obj);
 515        radeon_object_unref(&rdev->r600_blit.shader_obj);
 516}
 517
 518int r600_vb_ib_get(struct radeon_device *rdev)
 519{
 520        int r;
 521        r = radeon_ib_get(rdev, &rdev->r600_blit.vb_ib);
 522        if (r) {
 523                DRM_ERROR("failed to get IB for vertex buffer\n");
 524                return r;
 525        }
 526
 527        rdev->r600_blit.vb_total = 64*1024;
 528        rdev->r600_blit.vb_used = 0;
 529        return 0;
 530}
 531
 532void r600_vb_ib_put(struct radeon_device *rdev)
 533{
 534        radeon_fence_emit(rdev, rdev->r600_blit.vb_ib->fence);
 535        mutex_lock(&rdev->ib_pool.mutex);
 536        list_add_tail(&rdev->r600_blit.vb_ib->list, &rdev->ib_pool.scheduled_ibs);
 537        mutex_unlock(&rdev->ib_pool.mutex);
 538        radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
 539}
 540
 541int r600_blit_prepare_copy(struct radeon_device *rdev, int size_bytes)
 542{
 543        int r;
 544        int ring_size, line_size;
 545        int max_size;
 546        /* loops of emits 64 + fence emit possible */
 547        int dwords_per_loop = 76, num_loops;
 548
 549        r = r600_vb_ib_get(rdev);
 550        WARN_ON(r);
 551
 552        /* set_render_target emits 2 extra dwords on rv6xx */
 553        if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770)
 554                dwords_per_loop += 2;
 555
 556        /* 8 bpp vs 32 bpp for xfer unit */
 557        if (size_bytes & 3)
 558                line_size = 8192;
 559        else
 560                line_size = 8192*4;
 561
 562        max_size = 8192 * line_size;
 563
 564        /* major loops cover the max size transfer */
 565        num_loops = ((size_bytes + max_size) / max_size);
 566        /* minor loops cover the extra non aligned bits */
 567        num_loops += ((size_bytes % line_size) ? 1 : 0);
 568        /* calculate number of loops correctly */
 569        ring_size = num_loops * dwords_per_loop;
 570        /* set default  + shaders */
 571        ring_size += 40; /* shaders + def state */
 572        ring_size += 3; /* fence emit for VB IB */
 573        ring_size += 5; /* done copy */
 574        ring_size += 3; /* fence emit for done copy */
 575        r = radeon_ring_lock(rdev, ring_size);
 576        WARN_ON(r);
 577
 578        set_default_state(rdev); /* 14 */
 579        set_shaders(rdev); /* 26 */
 580        return 0;
 581}
 582
 583void r600_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence)
 584{
 585        int r;
 586
 587        radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0));
 588        radeon_ring_write(rdev, CACHE_FLUSH_AND_INV_EVENT);
 589        /* wait for 3D idle clean */
 590        radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
 591        radeon_ring_write(rdev, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
 592        radeon_ring_write(rdev, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
 593
 594        if (rdev->r600_blit.vb_ib)
 595                r600_vb_ib_put(rdev);
 596
 597        if (fence)
 598                r = radeon_fence_emit(rdev, fence);
 599
 600        radeon_ring_unlock_commit(rdev);
 601}
 602
 603void r600_kms_blit_copy(struct radeon_device *rdev,
 604                        u64 src_gpu_addr, u64 dst_gpu_addr,
 605                        int size_bytes)
 606{
 607        int max_bytes;
 608        u64 vb_gpu_addr;
 609        u32 *vb;
 610
 611        DRM_DEBUG("emitting copy %16llx %16llx %d %d\n", src_gpu_addr, dst_gpu_addr,
 612                  size_bytes, rdev->r600_blit.vb_used);
 613        vb = (u32 *)(rdev->r600_blit.vb_ib->ptr + rdev->r600_blit.vb_used);
 614        if ((size_bytes & 3) || (src_gpu_addr & 3) || (dst_gpu_addr & 3)) {
 615                max_bytes = 8192;
 616
 617                while (size_bytes) {
 618                        int cur_size = size_bytes;
 619                        int src_x = src_gpu_addr & 255;
 620                        int dst_x = dst_gpu_addr & 255;
 621                        int h = 1;
 622                        src_gpu_addr = src_gpu_addr & ~255;
 623                        dst_gpu_addr = dst_gpu_addr & ~255;
 624
 625                        if (!src_x && !dst_x) {
 626                                h = (cur_size / max_bytes);
 627                                if (h > 8192)
 628                                        h = 8192;
 629                                if (h == 0)
 630                                        h = 1;
 631                                else
 632                                        cur_size = max_bytes;
 633                        } else {
 634                                if (cur_size > max_bytes)
 635                                        cur_size = max_bytes;
 636                                if (cur_size > (max_bytes - dst_x))
 637                                        cur_size = (max_bytes - dst_x);
 638                                if (cur_size > (max_bytes - src_x))
 639                                        cur_size = (max_bytes - src_x);
 640                        }
 641
 642                        if ((rdev->r600_blit.vb_used + 48) > rdev->r600_blit.vb_total) {
 643                                WARN_ON(1);
 644
 645#if 0
 646                                r600_vb_ib_put(rdev);
 647
 648                                r600_nomm_put_vb(dev);
 649                                r600_nomm_get_vb(dev);
 650                                if (!dev_priv->blit_vb)
 651                                        return;
 652                                set_shaders(dev);
 653                                vb = r600_nomm_get_vb_ptr(dev);
 654#endif
 655                        }
 656
 657                        vb[0] = i2f(dst_x);
 658                        vb[1] = 0;
 659                        vb[2] = i2f(src_x);
 660                        vb[3] = 0;
 661
 662                        vb[4] = i2f(dst_x);
 663                        vb[5] = i2f(h);
 664                        vb[6] = i2f(src_x);
 665                        vb[7] = i2f(h);
 666
 667                        vb[8] = i2f(dst_x + cur_size);
 668                        vb[9] = i2f(h);
 669                        vb[10] = i2f(src_x + cur_size);
 670                        vb[11] = i2f(h);
 671
 672                        /* src 9 */
 673                        set_tex_resource(rdev, FMT_8,
 674                                         src_x + cur_size, h, src_x + cur_size,
 675                                         src_gpu_addr);
 676
 677                        /* 5 */
 678                        cp_set_surface_sync(rdev,
 679                                            PACKET3_TC_ACTION_ENA, (src_x + cur_size * h), src_gpu_addr);
 680
 681                        /* dst 23 */
 682                        set_render_target(rdev, COLOR_8,
 683                                          dst_x + cur_size, h,
 684                                          dst_gpu_addr);
 685
 686                        /* scissors 12 */
 687                        set_scissors(rdev, dst_x, 0, dst_x + cur_size, h);
 688
 689                        /* 14 */
 690                        vb_gpu_addr = rdev->r600_blit.vb_ib->gpu_addr + rdev->r600_blit.vb_used;
 691                        set_vtx_resource(rdev, vb_gpu_addr);
 692
 693                        /* draw 10 */
 694                        draw_auto(rdev);
 695
 696                        /* 5 */
 697                        cp_set_surface_sync(rdev,
 698                                            PACKET3_CB_ACTION_ENA | PACKET3_CB0_DEST_BASE_ENA,
 699                                            cur_size * h, dst_gpu_addr);
 700
 701                        vb += 12;
 702                        rdev->r600_blit.vb_used += 12 * 4;
 703
 704                        src_gpu_addr += cur_size * h;
 705                        dst_gpu_addr += cur_size * h;
 706                        size_bytes -= cur_size * h;
 707                }
 708        } else {
 709                max_bytes = 8192 * 4;
 710
 711                while (size_bytes) {
 712                        int cur_size = size_bytes;
 713                        int src_x = (src_gpu_addr & 255);
 714                        int dst_x = (dst_gpu_addr & 255);
 715                        int h = 1;
 716                        src_gpu_addr = src_gpu_addr & ~255;
 717                        dst_gpu_addr = dst_gpu_addr & ~255;
 718
 719                        if (!src_x && !dst_x) {
 720                                h = (cur_size / max_bytes);
 721                                if (h > 8192)
 722                                        h = 8192;
 723                                if (h == 0)
 724                                        h = 1;
 725                                else
 726                                        cur_size = max_bytes;
 727                        } else {
 728                                if (cur_size > max_bytes)
 729                                        cur_size = max_bytes;
 730                                if (cur_size > (max_bytes - dst_x))
 731                                        cur_size = (max_bytes - dst_x);
 732                                if (cur_size > (max_bytes - src_x))
 733                                        cur_size = (max_bytes - src_x);
 734                        }
 735
 736                        if ((rdev->r600_blit.vb_used + 48) > rdev->r600_blit.vb_total) {
 737                                WARN_ON(1);
 738                        }
 739#if 0
 740                        if ((rdev->blit_vb->used + 48) > rdev->blit_vb->total) {
 741                                r600_nomm_put_vb(dev);
 742                                r600_nomm_get_vb(dev);
 743                                if (!rdev->blit_vb)
 744                                        return;
 745
 746                                set_shaders(dev);
 747                                vb = r600_nomm_get_vb_ptr(dev);
 748                        }
 749#endif
 750
 751                        vb[0] = i2f(dst_x / 4);
 752                        vb[1] = 0;
 753                        vb[2] = i2f(src_x / 4);
 754                        vb[3] = 0;
 755
 756                        vb[4] = i2f(dst_x / 4);
 757                        vb[5] = i2f(h);
 758                        vb[6] = i2f(src_x / 4);
 759                        vb[7] = i2f(h);
 760
 761                        vb[8] = i2f((dst_x + cur_size) / 4);
 762                        vb[9] = i2f(h);
 763                        vb[10] = i2f((src_x + cur_size) / 4);
 764                        vb[11] = i2f(h);
 765
 766                        /* src 9 */
 767                        set_tex_resource(rdev, FMT_8_8_8_8,
 768                                         (src_x + cur_size) / 4,
 769                                         h, (src_x + cur_size) / 4,
 770                                         src_gpu_addr);
 771                        /* 5 */
 772                        cp_set_surface_sync(rdev,
 773                                            PACKET3_TC_ACTION_ENA, (src_x + cur_size * h), src_gpu_addr);
 774
 775                        /* dst 23 */
 776                        set_render_target(rdev, COLOR_8_8_8_8,
 777                                          (dst_x + cur_size) / 4, h,
 778                                          dst_gpu_addr);
 779
 780                        /* scissors 12  */
 781                        set_scissors(rdev, (dst_x / 4), 0, (dst_x + cur_size / 4), h);
 782
 783                        /* Vertex buffer setup 14 */
 784                        vb_gpu_addr = rdev->r600_blit.vb_ib->gpu_addr + rdev->r600_blit.vb_used;
 785                        set_vtx_resource(rdev, vb_gpu_addr);
 786
 787                        /* draw 10 */
 788                        draw_auto(rdev);
 789
 790                        /* 5 */
 791                        cp_set_surface_sync(rdev,
 792                                            PACKET3_CB_ACTION_ENA | PACKET3_CB0_DEST_BASE_ENA,
 793                                            cur_size * h, dst_gpu_addr);
 794
 795                        /* 78 ring dwords per loop */
 796                        vb += 12;
 797                        rdev->r600_blit.vb_used += 12 * 4;
 798
 799                        src_gpu_addr += cur_size * h;
 800                        dst_gpu_addr += cur_size * h;
 801                        size_bytes -= cur_size * h;
 802                }
 803        }
 804}
 805
 806