src/gallium/drivers/freedreno/freedreno_screen.c

   1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
   2
   3 /*
   4  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Authors:
  26  *    Rob Clark <robclark@freedesktop.org>
  27  */
  28
  29
  30 #include "pipe/p_defines.h"
  31 #include "pipe/p_screen.h"
  32 #include "pipe/p_state.h"
  33
  34 #include "util/u_memory.h"
  35 #include "util/u_inlines.h"
  36 #include "util/u_format.h"
  37 #include "util/u_format_s3tc.h"
  38 #include "util/u_string.h"
  39 #include "util/u_debug.h"
  40
  41 #include "os/os_time.h"
  42
  43 #include <stdio.h>
  44 #include <errno.h>
  45 #include <stdlib.h>
  46
  47 #include "freedreno_screen.h"
  48 #include "freedreno_resource.h"
  49 #include "freedreno_fence.h"
  50 #include "freedreno_query.h"
  51 #include "freedreno_util.h"
  52
  53 #include "a2xx/fd2_screen.h"
  54 #include "a3xx/fd3_screen.h"
  55 #include "a4xx/fd4_screen.h"
  56
  57 /* XXX this should go away */
  58 #include "state_tracker/drm_driver.h"
  59
  60 static const struct debug_named_value debug_options[] = {
  61                 {"msgs",      FD_DBG_MSGS,   "Print debug messages"},
  62                 {"disasm",    FD_DBG_DISASM, "Dump TGSI and adreno shader disassembly"},
  63                 {"dclear",    FD_DBG_DCLEAR, "Mark all state dirty after clear"},
  64                 {"flush",     FD_DBG_FLUSH,  "Force flush after every draw"},
  65                 {"noscis",    FD_DBG_NOSCIS, "Disable scissor optimization"},
  66                 {"direct",    FD_DBG_DIRECT, "Force inline (SS_DIRECT) state loads"},
  67                 {"nobypass",  FD_DBG_NOBYPASS, "Disable GMEM bypass"},
  68                 {"fraghalf",  FD_DBG_FRAGHALF, "Use half-precision in fragment shader"},
  69                 {"nobin",     FD_DBG_NOBIN,  "Disable hw binning"},
  70                 {"optmsgs",   FD_DBG_OPTMSGS,"Enable optimizer debug messages"},
  71                 {"glsl120",   FD_DBG_GLSL120,"Temporary flag to force GLSL 120 (rather than 130) on a3xx+"},
  72                 {"nocp",      FD_DBG_NOCP,   "Disable copy-propagation"},
  73                 DEBUG_NAMED_VALUE_END
  74 };
  75
  76 DEBUG_GET_ONCE_FLAGS_OPTION(fd_mesa_debug, "FD_MESA_DEBUG", debug_options, 0)
  77
  78 int fd_mesa_debug = 0;
  79 bool fd_binning_enabled = true;
  80 static bool glsl120 = false;
  81
  82 static const char *
  83 fd_screen_get_name(struct pipe_screen *pscreen)
  84 {
  85         static char buffer[128];
  86         util_snprintf(buffer, sizeof(buffer), "FD%03d",
  87                         fd_screen(pscreen)->device_id);
  88         return buffer;
  89 }
  90
  91 static const char *
  92 fd_screen_get_vendor(struct pipe_screen *pscreen)
  93 {
  94         return "freedreno";
  95 }
  96
  97 static const char *
  98 fd_screen_get_device_vendor(struct pipe_screen *pscreen)
  99 {
 100         return "Qualcomm";
 101 }
 102
 103
 104 static uint64_t
 105 fd_screen_get_timestamp(struct pipe_screen *pscreen)
 106 {
 107         int64_t cpu_time = os_time_get() * 1000;
 108         return cpu_time + fd_screen(pscreen)->cpu_gpu_time_delta;
 109 }
 110
 111 static void
 112 fd_screen_destroy(struct pipe_screen *pscreen)
 113 {
 114         struct fd_screen *screen = fd_screen(pscreen);
 115
 116         if (screen->pipe)
 117                 fd_pipe_del(screen->pipe);
 118
 119         if (screen->dev)
 120                 fd_device_del(screen->dev);
 121
 122         free(screen);
 123 }
 124
 125 /*
 126 TODO either move caps to a2xx/a3xx specific code, or maybe have some
 127 tables for things that differ if the delta is not too much..
 128  */
 129 static int
 130 fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 131 {
 132         struct fd_screen *screen = fd_screen(pscreen);
 133
 134         /* this is probably not totally correct.. but it's a start: */
 135         switch (param) {
 136         /* Supported features (boolean caps). */
 137         case PIPE_CAP_NPOT_TEXTURES:
 138         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 139         case PIPE_CAP_TWO_SIDED_STENCIL:
 140         case PIPE_CAP_ANISOTROPIC_FILTER:
 141         case PIPE_CAP_POINT_SPRITE:
 142         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 143         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 144         case PIPE_CAP_TEXTURE_SWIZZLE:
 145         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 146         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 147         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 148         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 149         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 150         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 151         case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 152         case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 153         case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 154         case PIPE_CAP_USER_CONSTANT_BUFFERS:
 155         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 156         case PIPE_CAP_VERTEXID_NOBASE:
 157                 return 1;
 158
 159         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 160         case PIPE_CAP_TGSI_TEXCOORD:
 161         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 162         case PIPE_CAP_CONDITIONAL_RENDER:
 163         case PIPE_CAP_TEXTURE_MULTISAMPLE:
 164         case PIPE_CAP_TEXTURE_BARRIER:
 165         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 166         case PIPE_CAP_CUBE_MAP_ARRAY:
 167         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 168         case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 169         case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 170         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 171         case PIPE_CAP_START_INSTANCE:
 172         case PIPE_CAP_COMPUTE:
 173                 return 0;
 174
 175         case PIPE_CAP_SM3:
 176         case PIPE_CAP_PRIMITIVE_RESTART:
 177         case PIPE_CAP_TGSI_INSTANCEID:
 178         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 179                 return is_a3xx(screen) || is_a4xx(screen);
 180
 181         case PIPE_CAP_INDEP_BLEND_ENABLE:
 182         case PIPE_CAP_INDEP_BLEND_FUNC:
 183         case PIPE_CAP_DEPTH_CLIP_DISABLE:
 184                 return is_a3xx(screen);
 185
 186         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 187                 return 256;
 188
 189         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 190                 if (glsl120)
 191                         return 120;
 192                 return (is_a3xx(screen) || is_a4xx(screen)) ? 130 : 120;
 193
 194         /* Unsupported features. */
 195         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 196         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 197         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 198         case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
 199         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 200         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 201         case PIPE_CAP_USER_VERTEX_BUFFERS:
 202         case PIPE_CAP_USER_INDEX_BUFFERS:
 203         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 204         case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 205         case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 206         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 207         case PIPE_CAP_TEXTURE_GATHER_SM5:
 208         case PIPE_CAP_FAKE_SW_MSAA:
 209         case PIPE_CAP_TEXTURE_QUERY_LOD:
 210         case PIPE_CAP_SAMPLE_SHADING:
 211         case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 212         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 213         case PIPE_CAP_DRAW_INDIRECT:
 214         case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
 215         case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 216         case PIPE_CAP_SAMPLER_VIEW_TARGET:
 217         case PIPE_CAP_CLIP_HALFZ:
 218         case PIPE_CAP_POLYGON_OFFSET_CLAMP:
 219         case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
 220         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 221         case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
 222                 return 0;
 223
 224         case PIPE_CAP_MAX_VIEWPORTS:
 225                 return 1;
 226
 227         /* Stream output. */
 228         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 229         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 230         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 231         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 232                 return 0;
 233
 234         /* Geometry shader output, unsupported. */
 235         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 236         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 237         case PIPE_CAP_MAX_VERTEX_STREAMS:
 238                 return 0;
 239
 240         case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 241                 return 2048;
 242
 243         /* Texturing. */
 244         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 245         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 246                 return MAX_MIP_LEVELS;
 247         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 248                 return 11;
 249
 250         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 251                 return (is_a3xx(screen) || is_a4xx(screen)) ? 256 : 0;
 252
 253         /* Render targets. */
 254         case PIPE_CAP_MAX_RENDER_TARGETS:
 255                 return screen->max_rts;
 256
 257         /* Queries. */
 258         case PIPE_CAP_QUERY_TIME_ELAPSED:
 259         case PIPE_CAP_QUERY_TIMESTAMP:
 260                 return 0;
 261         case PIPE_CAP_OCCLUSION_QUERY:
 262                 /* TODO still missing on a4xx, but we lie to get gl2..
 263                  * it's not a feature, it's a bug!
 264                  */
 265                 return is_a3xx(screen) || is_a4xx(screen);
 266
 267         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 268         case PIPE_CAP_MIN_TEXEL_OFFSET:
 269                 return -8;
 270
 271         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 272         case PIPE_CAP_MAX_TEXEL_OFFSET:
 273                 return 7;
 274
 275         case PIPE_CAP_ENDIANNESS:
 276                 return PIPE_ENDIAN_LITTLE;
 277
 278         case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 279                 return 64;
 280
 281         case PIPE_CAP_VENDOR_ID:
 282                 return 0x5143;
 283         case PIPE_CAP_DEVICE_ID:
 284                 return 0xFFFFFFFF;
 285         case PIPE_CAP_ACCELERATED:
 286                 return 1;
 287         case PIPE_CAP_VIDEO_MEMORY:
 288                 DBG("FINISHME: The value returned is incorrect\n");
 289                 return 10;
 290         case PIPE_CAP_UMA:
 291                 return 1;
 292         }
 293         debug_printf("unknown param %d\n", param);
 294         return 0;
 295 }
 296
 297 static float
 298 fd_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 299 {
 300         switch (param) {
 301         case PIPE_CAPF_MAX_LINE_WIDTH:
 302         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 303         case PIPE_CAPF_MAX_POINT_WIDTH:
 304         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 305                 return 4092.0f;
 306         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 307                 return 16.0f;
 308         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 309                 return 15.0f;
 310         case PIPE_CAPF_GUARD_BAND_LEFT:
 311         case PIPE_CAPF_GUARD_BAND_TOP:
 312         case PIPE_CAPF_GUARD_BAND_RIGHT:
 313         case PIPE_CAPF_GUARD_BAND_BOTTOM:
 314                 return 0.0f;
 315         }
 316         debug_printf("unknown paramf %d\n", param);
 317         return 0;
 318 }
 319
 320 static int
 321 fd_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 322                 enum pipe_shader_cap param)
 323 {
 324         struct fd_screen *screen = fd_screen(pscreen);
 325
 326         switch(shader)
 327         {
 328         case PIPE_SHADER_FRAGMENT:
 329         case PIPE_SHADER_VERTEX:
 330                 break;
 331         case PIPE_SHADER_COMPUTE:
 332         case PIPE_SHADER_GEOMETRY:
 333                 /* maye we could emulate.. */
 334                 return 0;
 335         default:
 336                 DBG("unknown shader type %d", shader);
 337                 return 0;
 338         }
 339
 340         /* this is probably not totally correct.. but it's a start: */
 341         switch (param) {
 342         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 343         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 344         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 345         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 346                 return 16384;
 347         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 348                 return 8; /* XXX */
 349         case PIPE_SHADER_CAP_MAX_INPUTS:
 350         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 351                 return 16;
 352         case PIPE_SHADER_CAP_MAX_TEMPS:
 353                 return 64; /* Max native temporaries. */
 354         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 355                 /* NOTE: seems to be limit for a3xx is actually 512 but
 356                  * split between VS and FS.  Use lower limit of 256 to
 357                  * avoid getting into impossible situations:
 358                  */
 359                 return ((is_a3xx(screen) || is_a4xx(screen)) ? 4096 : 64) * sizeof(float[4]);
 360         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 361                 return (is_a3xx(screen) || is_a4xx(screen)) ? 16 : 1;
 362         case PIPE_SHADER_CAP_MAX_PREDS:
 363                 return 0; /* nothing uses this */
 364         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 365                 return 1;
 366         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 367         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 368         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 369         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 370                 return 1;
 371         case PIPE_SHADER_CAP_SUBROUTINES:
 372         case PIPE_SHADER_CAP_DOUBLES:
 373         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 374         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 375         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 376         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 377                 return 0;
 378         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 379                 return 1;
 380         case PIPE_SHADER_CAP_INTEGERS:
 381                 if (glsl120)
 382                         return 0;
 383                 return (is_a3xx(screen) || is_a4xx(screen)) ? 1 : 0;
 384         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 385         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 386                 return 16;
 387         case PIPE_SHADER_CAP_PREFERRED_IR:
 388                 return PIPE_SHADER_IR_TGSI;
 389         }
 390         debug_printf("unknown shader param %d\n", param);
 391         return 0;
 392 }
 393
 394 boolean
 395 fd_screen_bo_get_handle(struct pipe_screen *pscreen,
 396                 struct fd_bo *bo,
 397                 unsigned stride,
 398                 struct winsys_handle *whandle)
 399 {
 400         whandle->stride = stride;
 401
 402         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 403                 return fd_bo_get_name(bo, &whandle->handle) == 0;
 404         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 405                 whandle->handle = fd_bo_handle(bo);
 406                 return TRUE;
 407         } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 408                 whandle->handle = fd_bo_dmabuf(bo);
 409                 return TRUE;
 410         } else {
 411                 return FALSE;
 412         }
 413 }
 414
 415 struct fd_bo *
 416 fd_screen_bo_from_handle(struct pipe_screen *pscreen,
 417                 struct winsys_handle *whandle,
 418                 unsigned *out_stride)
 419 {
 420         struct fd_screen *screen = fd_screen(pscreen);
 421         struct fd_bo *bo;
 422
 423         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 424                 bo = fd_bo_from_name(screen->dev, whandle->handle);
 425         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 426                 bo = fd_bo_from_handle(screen->dev, whandle->handle, 0);
 427         } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 428                 bo = fd_bo_from_dmabuf(screen->dev, whandle->handle);
 429         } else {
 430                 DBG("Attempt to import unsupported handle type %d", whandle->type);
 431                 return NULL;
 432         }
 433
 434         if (!bo) {
 435                 DBG("ref name 0x%08x failed", whandle->handle);
 436                 return NULL;
 437         }
 438
 439         *out_stride = whandle->stride;
 440
 441         return bo;
 442 }
 443
 444 struct pipe_screen *
 445 fd_screen_create(struct fd_device *dev)
 446 {
 447         struct fd_screen *screen = CALLOC_STRUCT(fd_screen);
 448         struct pipe_screen *pscreen;
 449         uint64_t val;
 450
 451         fd_mesa_debug = debug_get_option_fd_mesa_debug();
 452
 453         if (fd_mesa_debug & FD_DBG_NOBIN)
 454                 fd_binning_enabled = false;
 455
 456         glsl120 = !!(fd_mesa_debug & FD_DBG_GLSL120);
 457
 458         if (!screen)
 459                 return NULL;
 460
 461         pscreen = &screen->base;
 462
 463         screen->dev = dev;
 464
 465         // maybe this should be in context?
 466         screen->pipe = fd_pipe_new(screen->dev, FD_PIPE_3D);
 467         if (!screen->pipe) {
 468                 DBG("could not create 3d pipe");
 469                 goto fail;
 470         }
 471
 472         if (fd_pipe_get_param(screen->pipe, FD_GMEM_SIZE, &val)) {
 473                 DBG("could not get GMEM size");
 474                 goto fail;
 475         }
 476         screen->gmemsize_bytes = val;
 477
 478         if (fd_pipe_get_param(screen->pipe, FD_DEVICE_ID, &val)) {
 479                 DBG("could not get device-id");
 480                 goto fail;
 481         }
 482         screen->device_id = val;
 483
 484         if (fd_pipe_get_param(screen->pipe, FD_GPU_ID, &val)) {
 485                 DBG("could not get gpu-id");
 486                 goto fail;
 487         }
 488         screen->gpu_id = val;
 489
 490         if (fd_pipe_get_param(screen->pipe, FD_CHIP_ID, &val)) {
 491                 DBG("could not get chip-id");
 492                 /* older kernels may not have this property: */
 493                 unsigned core  = screen->gpu_id / 100;
 494                 unsigned major = (screen->gpu_id % 100) / 10;
 495                 unsigned minor = screen->gpu_id % 10;
 496                 unsigned patch = 0;  /* assume the worst */
 497                 val = (patch & 0xff) | ((minor & 0xff) << 8) |
 498                         ((major & 0xff) << 16) | ((core & 0xff) << 24);
 499         }
 500         screen->chip_id = val;
 501
 502         DBG("Pipe Info:");
 503         DBG(" GPU-id:          %d", screen->gpu_id);
 504         DBG(" Chip-id:         0x%08x", screen->chip_id);
 505         DBG(" GMEM size:       0x%08x", screen->gmemsize_bytes);
 506
 507         /* explicitly checking for GPU revisions that are known to work.  This
 508          * may be overly conservative for a3xx, where spoofing the gpu_id with
 509          * the blob driver seems to generate identical cmdstream dumps.  But
 510          * on a2xx, there seem to be small differences between the GPU revs
 511          * so it is probably better to actually test first on real hardware
 512          * before enabling:
 513          *
 514          * If you have a different adreno version, feel free to add it to one
 515          * of the cases below and see what happens.  And if it works, please
 516          * send a patch ;-)
 517          */
 518         switch (screen->gpu_id) {
 519         case 220:
 520                 fd2_screen_init(pscreen);
 521                 break;
 522         case 307:
 523         case 320:
 524         case 330:
 525                 fd3_screen_init(pscreen);
 526                 break;
 527         case 420:
 528                 fd4_screen_init(pscreen);
 529                 break;
 530         default:
 531                 debug_printf("unsupported GPU: a%03d\n", screen->gpu_id);
 532                 goto fail;
 533         }
 534
 535         pscreen->destroy = fd_screen_destroy;
 536         pscreen->get_param = fd_screen_get_param;
 537         pscreen->get_paramf = fd_screen_get_paramf;
 538         pscreen->get_shader_param = fd_screen_get_shader_param;
 539
 540         fd_resource_screen_init(pscreen);
 541         fd_query_screen_init(pscreen);
 542
 543         pscreen->get_name = fd_screen_get_name;
 544         pscreen->get_vendor = fd_screen_get_vendor;
 545         pscreen->get_device_vendor = fd_screen_get_device_vendor;
 546
 547         pscreen->get_timestamp = fd_screen_get_timestamp;
 548
 549         pscreen->fence_reference = fd_screen_fence_ref;
 550         pscreen->fence_signalled = fd_screen_fence_signalled;
 551         pscreen->fence_finish = fd_screen_fence_finish;
 552
 553         util_format_s3tc_init();
 554
 555         return pscreen;
 556
 557 fail:
 558         fd_screen_destroy(pscreen);
 559         return NULL;
 560 }