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      1 /*
      2  * Copyright 2017 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  * on the rights to use, copy, modify, merge, publish, distribute, sub
      8  * license, and/or sell copies of the Software, and to permit persons to whom
      9  * the Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
     18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
     19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
     20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
     21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
     22  */
     23 
     24 #include "si_pipe.h"
     25 #include "radeon/radeon_video.h"
     26 #include "radeon/radeon_vce.h"
     27 #include "ac_llvm_util.h"
     28 #include "vl/vl_decoder.h"
     29 #include "vl/vl_video_buffer.h"
     30 #include "util/u_video.h"
     31 #include "compiler/nir/nir.h"
     32 
     33 #include <sys/utsname.h>
     34 
     35 static const char *si_get_vendor(struct pipe_screen *pscreen)
     36 {
     37 	/* Don't change this. Games such as Alien Isolation are broken if this
     38 	 * returns "Advanced Micro Devices, Inc."
     39 	 */
     40 	return "X.Org";
     41 }
     42 
     43 static const char *si_get_device_vendor(struct pipe_screen *pscreen)
     44 {
     45 	return "AMD";
     46 }
     47 
     48 static const char *si_get_marketing_name(struct radeon_winsys *ws)
     49 {
     50 	if (!ws->get_chip_name)
     51 		return NULL;
     52 	return ws->get_chip_name(ws);
     53 }
     54 
     55 const char *si_get_family_name(const struct si_screen *sscreen)
     56 {
     57 	switch (sscreen->info.family) {
     58 	case CHIP_TAHITI: return "AMD TAHITI";
     59 	case CHIP_PITCAIRN: return "AMD PITCAIRN";
     60 	case CHIP_VERDE: return "AMD CAPE VERDE";
     61 	case CHIP_OLAND: return "AMD OLAND";
     62 	case CHIP_HAINAN: return "AMD HAINAN";
     63 	case CHIP_BONAIRE: return "AMD BONAIRE";
     64 	case CHIP_KAVERI: return "AMD KAVERI";
     65 	case CHIP_KABINI: return "AMD KABINI";
     66 	case CHIP_HAWAII: return "AMD HAWAII";
     67 	case CHIP_MULLINS: return "AMD MULLINS";
     68 	case CHIP_TONGA: return "AMD TONGA";
     69 	case CHIP_ICELAND: return "AMD ICELAND";
     70 	case CHIP_CARRIZO: return "AMD CARRIZO";
     71 	case CHIP_FIJI: return "AMD FIJI";
     72 	case CHIP_POLARIS10: return "AMD POLARIS10";
     73 	case CHIP_POLARIS11: return "AMD POLARIS11";
     74 	case CHIP_POLARIS12: return "AMD POLARIS12";
     75 	case CHIP_STONEY: return "AMD STONEY";
     76 	case CHIP_VEGA10: return "AMD VEGA10";
     77 	case CHIP_RAVEN: return "AMD RAVEN";
     78 	default: return "AMD unknown";
     79 	}
     80 }
     81 
     82 static bool si_have_tgsi_compute(struct si_screen *sscreen)
     83 {
     84 	/* Old kernels disallowed some register writes for SI
     85 	 * that are used for indirect dispatches. */
     86 	return (sscreen->info.chip_class >= CIK ||
     87 		sscreen->info.drm_major == 3 ||
     88 		(sscreen->info.drm_major == 2 &&
     89 		 sscreen->info.drm_minor >= 45));
     90 }
     91 
     92 static int si_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
     93 {
     94 	struct si_screen *sscreen = (struct si_screen *)pscreen;
     95 
     96 	switch (param) {
     97 	/* Supported features (boolean caps). */
     98 	case PIPE_CAP_ACCELERATED:
     99 	case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
    100 	case PIPE_CAP_ANISOTROPIC_FILTER:
    101 	case PIPE_CAP_POINT_SPRITE:
    102 	case PIPE_CAP_OCCLUSION_QUERY:
    103 	case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
    104 	case PIPE_CAP_BLEND_EQUATION_SEPARATE:
    105 	case PIPE_CAP_TEXTURE_SWIZZLE:
    106 	case PIPE_CAP_DEPTH_CLIP_DISABLE:
    107 	case PIPE_CAP_SHADER_STENCIL_EXPORT:
    108 	case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
    109 	case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
    110 	case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
    111 	case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
    112 	case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
    113 	case PIPE_CAP_SM3:
    114 	case PIPE_CAP_SEAMLESS_CUBE_MAP:
    115 	case PIPE_CAP_PRIMITIVE_RESTART:
    116 	case PIPE_CAP_CONDITIONAL_RENDER:
    117 	case PIPE_CAP_TEXTURE_BARRIER:
    118 	case PIPE_CAP_INDEP_BLEND_ENABLE:
    119 	case PIPE_CAP_INDEP_BLEND_FUNC:
    120 	case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
    121 	case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
    122 	case PIPE_CAP_START_INSTANCE:
    123 	case PIPE_CAP_NPOT_TEXTURES:
    124 	case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
    125 	case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
    126 	case PIPE_CAP_VERTEX_COLOR_CLAMPED:
    127 	case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
    128 	case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
    129 	case PIPE_CAP_TGSI_INSTANCEID:
    130 	case PIPE_CAP_COMPUTE:
    131 	case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
    132 	case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
    133 	case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
    134 	case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
    135 	case PIPE_CAP_CUBE_MAP_ARRAY:
    136 	case PIPE_CAP_SAMPLE_SHADING:
    137 	case PIPE_CAP_DRAW_INDIRECT:
    138 	case PIPE_CAP_CLIP_HALFZ:
    139 	case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
    140 	case PIPE_CAP_POLYGON_OFFSET_CLAMP:
    141 	case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
    142 	case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
    143 	case PIPE_CAP_TGSI_TEXCOORD:
    144 	case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
    145 	case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
    146 	case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
    147 	case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
    148 	case PIPE_CAP_SHAREABLE_SHADERS:
    149 	case PIPE_CAP_DEPTH_BOUNDS_TEST:
    150 	case PIPE_CAP_SAMPLER_VIEW_TARGET:
    151 	case PIPE_CAP_TEXTURE_QUERY_LOD:
    152 	case PIPE_CAP_TEXTURE_GATHER_SM5:
    153 	case PIPE_CAP_TGSI_TXQS:
    154 	case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
    155 	case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
    156 	case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
    157 	case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
    158 	case PIPE_CAP_INVALIDATE_BUFFER:
    159 	case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
    160 	case PIPE_CAP_QUERY_MEMORY_INFO:
    161 	case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
    162 	case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
    163 	case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
    164 	case PIPE_CAP_GENERATE_MIPMAP:
    165 	case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
    166 	case PIPE_CAP_STRING_MARKER:
    167 	case PIPE_CAP_CLEAR_TEXTURE:
    168 	case PIPE_CAP_CULL_DISTANCE:
    169 	case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
    170 	case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
    171 	case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
    172 	case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
    173 	case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
    174 	case PIPE_CAP_DOUBLES:
    175 	case PIPE_CAP_TGSI_TEX_TXF_LZ:
    176 	case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
    177 	case PIPE_CAP_BINDLESS_TEXTURE:
    178 	case PIPE_CAP_QUERY_TIMESTAMP:
    179 	case PIPE_CAP_QUERY_TIME_ELAPSED:
    180 	case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
    181 	case PIPE_CAP_QUERY_SO_OVERFLOW:
    182 	case PIPE_CAP_MEMOBJ:
    183 	case PIPE_CAP_LOAD_CONSTBUF:
    184 	case PIPE_CAP_INT64:
    185 	case PIPE_CAP_INT64_DIVMOD:
    186 	case PIPE_CAP_TGSI_CLOCK:
    187 	case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
    188 	case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
    189 	case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS:
    190 	case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
    191 		return 1;
    192 
    193 	case PIPE_CAP_TGSI_VOTE:
    194 		return HAVE_LLVM >= 0x0400;
    195 
    196 	case PIPE_CAP_TGSI_BALLOT:
    197 		return HAVE_LLVM >= 0x0500;
    198 
    199 	case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
    200 		return !SI_BIG_ENDIAN && sscreen->info.has_userptr;
    201 
    202 	case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
    203 		return (sscreen->info.drm_major == 2 &&
    204 			sscreen->info.drm_minor >= 43) ||
    205 		       sscreen->info.drm_major == 3;
    206 
    207 	case PIPE_CAP_TEXTURE_MULTISAMPLE:
    208 		/* 2D tiling on CIK is supported since DRM 2.35.0 */
    209 		return sscreen->info.chip_class < CIK ||
    210 		       (sscreen->info.drm_major == 2 &&
    211 			sscreen->info.drm_minor >= 35) ||
    212 		       sscreen->info.drm_major == 3;
    213 
    214         case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
    215                 return R600_MAP_BUFFER_ALIGNMENT;
    216 
    217 	case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
    218 	case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
    219 	case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
    220 	case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
    221 	case PIPE_CAP_MAX_VERTEX_STREAMS:
    222 	case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
    223 		return 4;
    224 
    225 	case PIPE_CAP_GLSL_FEATURE_LEVEL:
    226 		if (si_have_tgsi_compute(sscreen))
    227 			return 450;
    228 		return 420;
    229 
    230 	case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
    231 		return MIN2(sscreen->info.max_alloc_size, INT_MAX);
    232 
    233 	case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
    234 	case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
    235 	case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
    236 		/* SI doesn't support unaligned loads.
    237 		 * CIK needs DRM 2.50.0 on radeon. */
    238 		return sscreen->info.chip_class == SI ||
    239 		       (sscreen->info.drm_major == 2 &&
    240 			sscreen->info.drm_minor < 50);
    241 
    242 	case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
    243 		/* TODO: GFX9 hangs. */
    244 		if (sscreen->info.chip_class >= GFX9)
    245 			return 0;
    246 		/* Disable on SI due to VM faults in CP DMA. Enable once these
    247 		 * faults are mitigated in software.
    248 		 */
    249 		if (sscreen->info.chip_class >= CIK &&
    250 		    sscreen->info.drm_major == 3 &&
    251 		    sscreen->info.drm_minor >= 13)
    252 			return RADEON_SPARSE_PAGE_SIZE;
    253 		return 0;
    254 
    255 	/* Unsupported features. */
    256 	case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
    257 	case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
    258 	case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
    259 	case PIPE_CAP_USER_VERTEX_BUFFERS:
    260 	case PIPE_CAP_FAKE_SW_MSAA:
    261 	case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
    262 	case PIPE_CAP_VERTEXID_NOBASE:
    263 	case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
    264 	case PIPE_CAP_MAX_WINDOW_RECTANGLES:
    265 	case PIPE_CAP_TGSI_FS_FBFETCH:
    266 	case PIPE_CAP_TGSI_MUL_ZERO_WINS:
    267 	case PIPE_CAP_UMA:
    268 	case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
    269 	case PIPE_CAP_POST_DEPTH_COVERAGE:
    270 	case PIPE_CAP_TILE_RASTER_ORDER:
    271 	case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
    272 	case PIPE_CAP_CONTEXT_PRIORITY_MASK:
    273 		return 0;
    274 
    275 	case PIPE_CAP_NATIVE_FENCE_FD:
    276 		return sscreen->info.has_fence_to_handle;
    277 
    278 	case PIPE_CAP_QUERY_BUFFER_OBJECT:
    279 		return si_have_tgsi_compute(sscreen);
    280 
    281 	case PIPE_CAP_DRAW_PARAMETERS:
    282 	case PIPE_CAP_MULTI_DRAW_INDIRECT:
    283 	case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
    284 		return sscreen->has_draw_indirect_multi;
    285 
    286 	case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
    287 		return 30;
    288 
    289 	case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
    290 		return sscreen->info.chip_class <= VI ?
    291 			PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600 : 0;
    292 
    293 	/* Stream output. */
    294 	case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
    295 	case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
    296 		return 32*4;
    297 
    298 	/* Geometry shader output. */
    299 	case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
    300 		return 1024;
    301 	case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
    302 		return 4095;
    303 
    304 	case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
    305 		return 2048;
    306 
    307 	/* Texturing. */
    308 	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
    309 	case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
    310 		return 15; /* 16384 */
    311 	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
    312 		/* textures support 8192, but layered rendering supports 2048 */
    313 		return 12;
    314 	case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
    315 		/* textures support 8192, but layered rendering supports 2048 */
    316 		return 2048;
    317 
    318 	/* Viewports and render targets. */
    319 	case PIPE_CAP_MAX_VIEWPORTS:
    320 		return SI_MAX_VIEWPORTS;
    321 	case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
    322 	case PIPE_CAP_MAX_RENDER_TARGETS:
    323 		return 8;
    324 
    325 	case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
    326 	case PIPE_CAP_MIN_TEXEL_OFFSET:
    327 		return -32;
    328 
    329 	case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
    330 	case PIPE_CAP_MAX_TEXEL_OFFSET:
    331 		return 31;
    332 
    333 	case PIPE_CAP_ENDIANNESS:
    334 		return PIPE_ENDIAN_LITTLE;
    335 
    336 	case PIPE_CAP_VENDOR_ID:
    337 		return ATI_VENDOR_ID;
    338 	case PIPE_CAP_DEVICE_ID:
    339 		return sscreen->info.pci_id;
    340 	case PIPE_CAP_VIDEO_MEMORY:
    341 		return sscreen->info.vram_size >> 20;
    342 	case PIPE_CAP_PCI_GROUP:
    343 		return sscreen->info.pci_domain;
    344 	case PIPE_CAP_PCI_BUS:
    345 		return sscreen->info.pci_bus;
    346 	case PIPE_CAP_PCI_DEVICE:
    347 		return sscreen->info.pci_dev;
    348 	case PIPE_CAP_PCI_FUNCTION:
    349 		return sscreen->info.pci_func;
    350 	}
    351 	return 0;
    352 }
    353 
    354 static float si_get_paramf(struct pipe_screen* pscreen, enum pipe_capf param)
    355 {
    356 	switch (param) {
    357 	case PIPE_CAPF_MAX_LINE_WIDTH:
    358 	case PIPE_CAPF_MAX_LINE_WIDTH_AA:
    359 	case PIPE_CAPF_MAX_POINT_WIDTH:
    360 	case PIPE_CAPF_MAX_POINT_WIDTH_AA:
    361 		return 8192.0f;
    362 	case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
    363 		return 16.0f;
    364 	case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
    365 		return 16.0f;
    366 	case PIPE_CAPF_GUARD_BAND_LEFT:
    367 	case PIPE_CAPF_GUARD_BAND_TOP:
    368 	case PIPE_CAPF_GUARD_BAND_RIGHT:
    369 	case PIPE_CAPF_GUARD_BAND_BOTTOM:
    370 		return 0.0f;
    371 	}
    372 	return 0.0f;
    373 }
    374 
    375 static int si_get_shader_param(struct pipe_screen* pscreen,
    376 			       enum pipe_shader_type shader,
    377 			       enum pipe_shader_cap param)
    378 {
    379 	struct si_screen *sscreen = (struct si_screen *)pscreen;
    380 
    381 	switch(shader)
    382 	{
    383 	case PIPE_SHADER_FRAGMENT:
    384 	case PIPE_SHADER_VERTEX:
    385 	case PIPE_SHADER_GEOMETRY:
    386 	case PIPE_SHADER_TESS_CTRL:
    387 	case PIPE_SHADER_TESS_EVAL:
    388 		break;
    389 	case PIPE_SHADER_COMPUTE:
    390 		switch (param) {
    391 		case PIPE_SHADER_CAP_PREFERRED_IR:
    392 			return PIPE_SHADER_IR_NATIVE;
    393 
    394 		case PIPE_SHADER_CAP_SUPPORTED_IRS: {
    395 			int ir = 1 << PIPE_SHADER_IR_NATIVE;
    396 
    397 			if (si_have_tgsi_compute(sscreen))
    398 				ir |= 1 << PIPE_SHADER_IR_TGSI;
    399 
    400 			return ir;
    401 		}
    402 
    403 		case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE: {
    404 			uint64_t max_const_buffer_size;
    405 			pscreen->get_compute_param(pscreen, PIPE_SHADER_IR_TGSI,
    406 				PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE,
    407 				&max_const_buffer_size);
    408 			return MIN2(max_const_buffer_size, INT_MAX);
    409 		}
    410 		default:
    411 			/* If compute shaders don't require a special value
    412 			 * for this cap, we can return the same value we
    413 			 * do for other shader types. */
    414 			break;
    415 		}
    416 		break;
    417 	default:
    418 		return 0;
    419 	}
    420 
    421 	switch (param) {
    422 	/* Shader limits. */
    423 	case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
    424 	case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
    425 	case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
    426 	case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
    427 	case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
    428 		return 16384;
    429 	case PIPE_SHADER_CAP_MAX_INPUTS:
    430 		return shader == PIPE_SHADER_VERTEX ? SI_MAX_ATTRIBS : 32;
    431 	case PIPE_SHADER_CAP_MAX_OUTPUTS:
    432 		return shader == PIPE_SHADER_FRAGMENT ? 8 : 32;
    433 	case PIPE_SHADER_CAP_MAX_TEMPS:
    434 		return 256; /* Max native temporaries. */
    435 	case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
    436 		return 4096 * sizeof(float[4]); /* actually only memory limits this */
    437 	case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
    438 		return SI_NUM_CONST_BUFFERS;
    439 	case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
    440 	case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
    441 		return SI_NUM_SAMPLERS;
    442 	case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
    443 		return SI_NUM_SHADER_BUFFERS;
    444 	case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
    445 		return SI_NUM_IMAGES;
    446 	case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
    447 		return 32;
    448 	case PIPE_SHADER_CAP_PREFERRED_IR:
    449 		if (sscreen->debug_flags & DBG(NIR))
    450 			return PIPE_SHADER_IR_NIR;
    451 		return PIPE_SHADER_IR_TGSI;
    452 	case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
    453 		return 4;
    454 
    455 	/* Supported boolean features. */
    456 	case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
    457 	case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
    458 	case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
    459 	case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
    460 	case PIPE_SHADER_CAP_INTEGERS:
    461 	case PIPE_SHADER_CAP_INT64_ATOMICS:
    462 	case PIPE_SHADER_CAP_FP16:
    463 	case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
    464 	case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
    465 	case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
    466 	case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
    467 	case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
    468 	case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
    469 		return 1;
    470 
    471 	case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
    472 		/* TODO: Indirect indexing of GS inputs is unimplemented. */
    473 		if (shader == PIPE_SHADER_GEOMETRY)
    474 			return 0;
    475 
    476 		if (shader == PIPE_SHADER_VERTEX &&
    477 		    !sscreen->llvm_has_working_vgpr_indexing)
    478 			return 0;
    479 
    480 		/* TCS and TES load inputs directly from LDS or offchip
    481 		 * memory, so indirect indexing is always supported.
    482 		 * PS has to support indirect indexing, because we can't
    483 		 * lower that to TEMPs for INTERP instructions.
    484 		 */
    485 		return 1;
    486 
    487 	case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
    488 		return sscreen->llvm_has_working_vgpr_indexing ||
    489 		       /* TCS stores outputs directly to memory. */
    490 		       shader == PIPE_SHADER_TESS_CTRL;
    491 
    492 	/* Unsupported boolean features. */
    493 	case PIPE_SHADER_CAP_SUBROUTINES:
    494 	case PIPE_SHADER_CAP_SUPPORTED_IRS:
    495 	case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
    496 	case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
    497 		return 0;
    498 	}
    499 	return 0;
    500 }
    501 
    502 static const struct nir_shader_compiler_options nir_options = {
    503 	.vertex_id_zero_based = true,
    504 	.lower_scmp = true,
    505 	.lower_flrp32 = true,
    506 	.lower_flrp64 = true,
    507 	.lower_fsat = true,
    508 	.lower_fdiv = true,
    509 	.lower_sub = true,
    510 	.lower_ffma = true,
    511 	.lower_pack_snorm_2x16 = true,
    512 	.lower_pack_snorm_4x8 = true,
    513 	.lower_pack_unorm_2x16 = true,
    514 	.lower_pack_unorm_4x8 = true,
    515 	.lower_unpack_snorm_2x16 = true,
    516 	.lower_unpack_snorm_4x8 = true,
    517 	.lower_unpack_unorm_2x16 = true,
    518 	.lower_unpack_unorm_4x8 = true,
    519 	.lower_extract_byte = true,
    520 	.lower_extract_word = true,
    521 	.max_unroll_iterations = 32,
    522 	.native_integers = true,
    523 };
    524 
    525 static const void *
    526 si_get_compiler_options(struct pipe_screen *screen,
    527 			enum pipe_shader_ir ir,
    528 			enum pipe_shader_type shader)
    529 {
    530 	assert(ir == PIPE_SHADER_IR_NIR);
    531 	return &nir_options;
    532 }
    533 
    534 static void si_get_driver_uuid(struct pipe_screen *pscreen, char *uuid)
    535 {
    536 	ac_compute_driver_uuid(uuid, PIPE_UUID_SIZE);
    537 }
    538 
    539 static void si_get_device_uuid(struct pipe_screen *pscreen, char *uuid)
    540 {
    541 	struct si_screen *sscreen = (struct si_screen *)pscreen;
    542 
    543 	ac_compute_device_uuid(&sscreen->info, uuid, PIPE_UUID_SIZE);
    544 }
    545 
    546 static const char* si_get_name(struct pipe_screen *pscreen)
    547 {
    548 	struct si_screen *sscreen = (struct si_screen*)pscreen;
    549 
    550 	return sscreen->renderer_string;
    551 }
    552 
    553 static int si_get_video_param_no_decode(struct pipe_screen *screen,
    554 					enum pipe_video_profile profile,
    555 					enum pipe_video_entrypoint entrypoint,
    556 					enum pipe_video_cap param)
    557 {
    558 	switch (param) {
    559 	case PIPE_VIDEO_CAP_SUPPORTED:
    560 		return vl_profile_supported(screen, profile, entrypoint);
    561 	case PIPE_VIDEO_CAP_NPOT_TEXTURES:
    562 		return 1;
    563 	case PIPE_VIDEO_CAP_MAX_WIDTH:
    564 	case PIPE_VIDEO_CAP_MAX_HEIGHT:
    565 		return vl_video_buffer_max_size(screen);
    566 	case PIPE_VIDEO_CAP_PREFERED_FORMAT:
    567 		return PIPE_FORMAT_NV12;
    568 	case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
    569 		return false;
    570 	case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
    571 		return false;
    572 	case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
    573 		return true;
    574 	case PIPE_VIDEO_CAP_MAX_LEVEL:
    575 		return vl_level_supported(screen, profile);
    576 	default:
    577 		return 0;
    578 	}
    579 }
    580 
    581 static int si_get_video_param(struct pipe_screen *screen,
    582 			      enum pipe_video_profile profile,
    583 			      enum pipe_video_entrypoint entrypoint,
    584 			      enum pipe_video_cap param)
    585 {
    586 	struct si_screen *sscreen = (struct si_screen *)screen;
    587 	enum pipe_video_format codec = u_reduce_video_profile(profile);
    588 
    589 	if (entrypoint == PIPE_VIDEO_ENTRYPOINT_ENCODE) {
    590 		switch (param) {
    591 		case PIPE_VIDEO_CAP_SUPPORTED:
    592 			return codec == PIPE_VIDEO_FORMAT_MPEG4_AVC &&
    593 				(si_vce_is_fw_version_supported(sscreen) ||
    594 				sscreen->info.family == CHIP_RAVEN);
    595 		case PIPE_VIDEO_CAP_NPOT_TEXTURES:
    596 			return 1;
    597 		case PIPE_VIDEO_CAP_MAX_WIDTH:
    598 			return (sscreen->info.family < CHIP_TONGA) ? 2048 : 4096;
    599 		case PIPE_VIDEO_CAP_MAX_HEIGHT:
    600 			return (sscreen->info.family < CHIP_TONGA) ? 1152 : 2304;
    601 		case PIPE_VIDEO_CAP_PREFERED_FORMAT:
    602 			return PIPE_FORMAT_NV12;
    603 		case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
    604 			return false;
    605 		case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
    606 			return false;
    607 		case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
    608 			return true;
    609 		case PIPE_VIDEO_CAP_STACKED_FRAMES:
    610 			return (sscreen->info.family < CHIP_TONGA) ? 1 : 2;
    611 		default:
    612 			return 0;
    613 		}
    614 	}
    615 
    616 	switch (param) {
    617 	case PIPE_VIDEO_CAP_SUPPORTED:
    618 		switch (codec) {
    619 		case PIPE_VIDEO_FORMAT_MPEG12:
    620 			return profile != PIPE_VIDEO_PROFILE_MPEG1;
    621 		case PIPE_VIDEO_FORMAT_MPEG4:
    622 			return 1;
    623 		case PIPE_VIDEO_FORMAT_MPEG4_AVC:
    624 			if ((sscreen->info.family == CHIP_POLARIS10 ||
    625 			     sscreen->info.family == CHIP_POLARIS11) &&
    626 			    sscreen->info.uvd_fw_version < UVD_FW_1_66_16 ) {
    627 				RVID_ERR("POLARIS10/11 firmware version need to be updated.\n");
    628 				return false;
    629 			}
    630 			return true;
    631 		case PIPE_VIDEO_FORMAT_VC1:
    632 			return true;
    633 		case PIPE_VIDEO_FORMAT_HEVC:
    634 			/* Carrizo only supports HEVC Main */
    635 			if (sscreen->info.family >= CHIP_STONEY)
    636 				return (profile == PIPE_VIDEO_PROFILE_HEVC_MAIN ||
    637 					profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10);
    638 			else if (sscreen->info.family >= CHIP_CARRIZO)
    639 				return profile == PIPE_VIDEO_PROFILE_HEVC_MAIN;
    640 			return false;
    641 		case PIPE_VIDEO_FORMAT_JPEG:
    642 			if (sscreen->info.family < CHIP_CARRIZO || sscreen->info.family >= CHIP_VEGA10)
    643 				return false;
    644 			if (!(sscreen->info.drm_major == 3 && sscreen->info.drm_minor >= 19)) {
    645 				RVID_ERR("No MJPEG support for the kernel version\n");
    646 				return false;
    647 			}
    648 			return true;
    649 		default:
    650 			return false;
    651 		}
    652 	case PIPE_VIDEO_CAP_NPOT_TEXTURES:
    653 		return 1;
    654 	case PIPE_VIDEO_CAP_MAX_WIDTH:
    655 		return (sscreen->info.family < CHIP_TONGA) ? 2048 : 4096;
    656 	case PIPE_VIDEO_CAP_MAX_HEIGHT:
    657 		return (sscreen->info.family < CHIP_TONGA) ? 1152 : 4096;
    658 	case PIPE_VIDEO_CAP_PREFERED_FORMAT:
    659 		if (profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10)
    660 			return PIPE_FORMAT_P016;
    661 		else
    662 			return PIPE_FORMAT_NV12;
    663 
    664 	case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
    665 	case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED: {
    666 		enum pipe_video_format format = u_reduce_video_profile(profile);
    667 
    668 		if (format == PIPE_VIDEO_FORMAT_HEVC)
    669 			return false; //The firmware doesn't support interlaced HEVC.
    670 		else if (format == PIPE_VIDEO_FORMAT_JPEG)
    671 			return false;
    672 		return true;
    673 	}
    674 	case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
    675 		return true;
    676 	case PIPE_VIDEO_CAP_MAX_LEVEL:
    677 		switch (profile) {
    678 		case PIPE_VIDEO_PROFILE_MPEG1:
    679 			return 0;
    680 		case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
    681 		case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
    682 			return 3;
    683 		case PIPE_VIDEO_PROFILE_MPEG4_SIMPLE:
    684 			return 3;
    685 		case PIPE_VIDEO_PROFILE_MPEG4_ADVANCED_SIMPLE:
    686 			return 5;
    687 		case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
    688 			return 1;
    689 		case PIPE_VIDEO_PROFILE_VC1_MAIN:
    690 			return 2;
    691 		case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
    692 			return 4;
    693 		case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
    694 		case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
    695 		case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
    696 			return (sscreen->info.family < CHIP_TONGA) ? 41 : 52;
    697 		case PIPE_VIDEO_PROFILE_HEVC_MAIN:
    698 		case PIPE_VIDEO_PROFILE_HEVC_MAIN_10:
    699 			return 186;
    700 		default:
    701 			return 0;
    702 		}
    703 	default:
    704 		return 0;
    705 	}
    706 }
    707 
    708 static boolean si_vid_is_format_supported(struct pipe_screen *screen,
    709 					  enum pipe_format format,
    710 					  enum pipe_video_profile profile,
    711 					  enum pipe_video_entrypoint entrypoint)
    712 {
    713 	/* HEVC 10 bit decoding should use P016 instead of NV12 if possible */
    714 	if (profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10)
    715 		return (format == PIPE_FORMAT_NV12) ||
    716 			(format == PIPE_FORMAT_P016);
    717 
    718 	/* we can only handle this one with UVD */
    719 	if (profile != PIPE_VIDEO_PROFILE_UNKNOWN)
    720 		return format == PIPE_FORMAT_NV12;
    721 
    722 	return vl_video_buffer_is_format_supported(screen, format, profile, entrypoint);
    723 }
    724 
    725 static unsigned get_max_threads_per_block(struct si_screen *screen,
    726 					  enum pipe_shader_ir ir_type)
    727 {
    728 	if (ir_type != PIPE_SHADER_IR_TGSI)
    729 		return 256;
    730 
    731 	/* Only 16 waves per thread-group on gfx9. */
    732 	if (screen->info.chip_class >= GFX9)
    733 		return 1024;
    734 
    735 	/* Up to 40 waves per thread-group on GCN < gfx9. Expose a nice
    736 	 * round number.
    737 	 */
    738 	return 2048;
    739 }
    740 
    741 static int si_get_compute_param(struct pipe_screen *screen,
    742 				enum pipe_shader_ir ir_type,
    743 				enum pipe_compute_cap param,
    744 				void *ret)
    745 {
    746 	struct si_screen *sscreen = (struct si_screen *)screen;
    747 
    748 	//TODO: select these params by asic
    749 	switch (param) {
    750 	case PIPE_COMPUTE_CAP_IR_TARGET: {
    751 		const char *gpu;
    752 		const char *triple;
    753 
    754 		if (HAVE_LLVM < 0x0400)
    755 			triple = "amdgcn--";
    756 		else
    757 			triple = "amdgcn-mesa-mesa3d";
    758 
    759 		gpu = ac_get_llvm_processor_name(sscreen->info.family);
    760 		if (ret) {
    761 			sprintf(ret, "%s-%s", gpu, triple);
    762 		}
    763 		/* +2 for dash and terminating NIL byte */
    764 		return (strlen(triple) + strlen(gpu) + 2) * sizeof(char);
    765 	}
    766 	case PIPE_COMPUTE_CAP_GRID_DIMENSION:
    767 		if (ret) {
    768 			uint64_t *grid_dimension = ret;
    769 			grid_dimension[0] = 3;
    770 		}
    771 		return 1 * sizeof(uint64_t);
    772 
    773 	case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
    774 		if (ret) {
    775 			uint64_t *grid_size = ret;
    776 			grid_size[0] = 65535;
    777 			grid_size[1] = 65535;
    778 			grid_size[2] = 65535;
    779 		}
    780 		return 3 * sizeof(uint64_t) ;
    781 
    782 	case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
    783 		if (ret) {
    784 			uint64_t *block_size = ret;
    785 			unsigned threads_per_block = get_max_threads_per_block(sscreen, ir_type);
    786 			block_size[0] = threads_per_block;
    787 			block_size[1] = threads_per_block;
    788 			block_size[2] = threads_per_block;
    789 		}
    790 		return 3 * sizeof(uint64_t);
    791 
    792 	case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
    793 		if (ret) {
    794 			uint64_t *max_threads_per_block = ret;
    795 			*max_threads_per_block = get_max_threads_per_block(sscreen, ir_type);
    796 		}
    797 		return sizeof(uint64_t);
    798 	case PIPE_COMPUTE_CAP_ADDRESS_BITS:
    799 		if (ret) {
    800 			uint32_t *address_bits = ret;
    801 			address_bits[0] = 64;
    802 		}
    803 		return 1 * sizeof(uint32_t);
    804 
    805 	case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
    806 		if (ret) {
    807 			uint64_t *max_global_size = ret;
    808 			uint64_t max_mem_alloc_size;
    809 
    810 			si_get_compute_param(screen, ir_type,
    811 				PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE,
    812 				&max_mem_alloc_size);
    813 
    814 			/* In OpenCL, the MAX_MEM_ALLOC_SIZE must be at least
    815 			 * 1/4 of the MAX_GLOBAL_SIZE.  Since the
    816 			 * MAX_MEM_ALLOC_SIZE is fixed for older kernels,
    817 			 * make sure we never report more than
    818 			 * 4 * MAX_MEM_ALLOC_SIZE.
    819 			 */
    820 			*max_global_size = MIN2(4 * max_mem_alloc_size,
    821 						MAX2(sscreen->info.gart_size,
    822 						     sscreen->info.vram_size));
    823 		}
    824 		return sizeof(uint64_t);
    825 
    826 	case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
    827 		if (ret) {
    828 			uint64_t *max_local_size = ret;
    829 			/* Value reported by the closed source driver. */
    830 			*max_local_size = 32768;
    831 		}
    832 		return sizeof(uint64_t);
    833 
    834 	case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
    835 		if (ret) {
    836 			uint64_t *max_input_size = ret;
    837 			/* Value reported by the closed source driver. */
    838 			*max_input_size = 1024;
    839 		}
    840 		return sizeof(uint64_t);
    841 
    842 	case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE:
    843 		if (ret) {
    844 			uint64_t *max_mem_alloc_size = ret;
    845 
    846 			*max_mem_alloc_size = sscreen->info.max_alloc_size;
    847 		}
    848 		return sizeof(uint64_t);
    849 
    850 	case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
    851 		if (ret) {
    852 			uint32_t *max_clock_frequency = ret;
    853 			*max_clock_frequency = sscreen->info.max_shader_clock;
    854 		}
    855 		return sizeof(uint32_t);
    856 
    857 	case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
    858 		if (ret) {
    859 			uint32_t *max_compute_units = ret;
    860 			*max_compute_units = sscreen->info.num_good_compute_units;
    861 		}
    862 		return sizeof(uint32_t);
    863 
    864 	case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
    865 		if (ret) {
    866 			uint32_t *images_supported = ret;
    867 			*images_supported = 0;
    868 		}
    869 		return sizeof(uint32_t);
    870 	case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
    871 		break; /* unused */
    872 	case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
    873 		if (ret) {
    874 			uint32_t *subgroup_size = ret;
    875 			*subgroup_size = 64;
    876 		}
    877 		return sizeof(uint32_t);
    878 	case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
    879 		if (ret) {
    880 			uint64_t *max_variable_threads_per_block = ret;
    881 			if (ir_type == PIPE_SHADER_IR_TGSI)
    882 				*max_variable_threads_per_block = SI_MAX_VARIABLE_THREADS_PER_BLOCK;
    883 			else
    884 				*max_variable_threads_per_block = 0;
    885 		}
    886 		return sizeof(uint64_t);
    887 	}
    888 
    889         fprintf(stderr, "unknown PIPE_COMPUTE_CAP %d\n", param);
    890         return 0;
    891 }
    892 
    893 static uint64_t si_get_timestamp(struct pipe_screen *screen)
    894 {
    895 	struct si_screen *sscreen = (struct si_screen*)screen;
    896 
    897 	return 1000000 * sscreen->ws->query_value(sscreen->ws, RADEON_TIMESTAMP) /
    898 			sscreen->info.clock_crystal_freq;
    899 }
    900 
    901 static void si_query_memory_info(struct pipe_screen *screen,
    902 				 struct pipe_memory_info *info)
    903 {
    904 	struct si_screen *sscreen = (struct si_screen*)screen;
    905 	struct radeon_winsys *ws = sscreen->ws;
    906 	unsigned vram_usage, gtt_usage;
    907 
    908 	info->total_device_memory = sscreen->info.vram_size / 1024;
    909 	info->total_staging_memory = sscreen->info.gart_size / 1024;
    910 
    911 	/* The real TTM memory usage is somewhat random, because:
    912 	 *
    913 	 * 1) TTM delays freeing memory, because it can only free it after
    914 	 *    fences expire.
    915 	 *
    916 	 * 2) The memory usage can be really low if big VRAM evictions are
    917 	 *    taking place, but the real usage is well above the size of VRAM.
    918 	 *
    919 	 * Instead, return statistics of this process.
    920 	 */
    921 	vram_usage = ws->query_value(ws, RADEON_REQUESTED_VRAM_MEMORY) / 1024;
    922 	gtt_usage =  ws->query_value(ws, RADEON_REQUESTED_GTT_MEMORY) / 1024;
    923 
    924 	info->avail_device_memory =
    925 		vram_usage <= info->total_device_memory ?
    926 				info->total_device_memory - vram_usage : 0;
    927 	info->avail_staging_memory =
    928 		gtt_usage <= info->total_staging_memory ?
    929 				info->total_staging_memory - gtt_usage : 0;
    930 
    931 	info->device_memory_evicted =
    932 		ws->query_value(ws, RADEON_NUM_BYTES_MOVED) / 1024;
    933 
    934 	if (sscreen->info.drm_major == 3 && sscreen->info.drm_minor >= 4)
    935 		info->nr_device_memory_evictions =
    936 			ws->query_value(ws, RADEON_NUM_EVICTIONS);
    937 	else
    938 		/* Just return the number of evicted 64KB pages. */
    939 		info->nr_device_memory_evictions = info->device_memory_evicted / 64;
    940 }
    941 
    942 static struct disk_cache *si_get_disk_shader_cache(struct pipe_screen *pscreen)
    943 {
    944 	struct si_screen *sscreen = (struct si_screen*)pscreen;
    945 
    946 	return sscreen->disk_shader_cache;
    947 }
    948 
    949 static void si_init_renderer_string(struct si_screen *sscreen)
    950 {
    951 	struct radeon_winsys *ws = sscreen->ws;
    952 	char family_name[32] = {}, llvm_string[32] = {}, kernel_version[128] = {};
    953 	struct utsname uname_data;
    954 
    955 	const char *chip_name = si_get_marketing_name(ws);
    956 
    957 	if (chip_name)
    958 		snprintf(family_name, sizeof(family_name), "%s / ",
    959 			 si_get_family_name(sscreen) + 4);
    960 	else
    961 		chip_name = si_get_family_name(sscreen);
    962 
    963 	if (uname(&uname_data) == 0)
    964 		snprintf(kernel_version, sizeof(kernel_version),
    965 			 " / %s", uname_data.release);
    966 
    967 	if (HAVE_LLVM > 0) {
    968 		snprintf(llvm_string, sizeof(llvm_string),
    969 			 ", LLVM %i.%i.%i", (HAVE_LLVM >> 8) & 0xff,
    970 			 HAVE_LLVM & 0xff, MESA_LLVM_VERSION_PATCH);
    971 	}
    972 
    973 	snprintf(sscreen->renderer_string, sizeof(sscreen->renderer_string),
    974 		 "%s (%sDRM %i.%i.%i%s%s)",
    975 		 chip_name, family_name, sscreen->info.drm_major,
    976 		 sscreen->info.drm_minor, sscreen->info.drm_patchlevel,
    977 		 kernel_version, llvm_string);
    978 }
    979 
    980 void si_init_screen_get_functions(struct si_screen *sscreen)
    981 {
    982 	sscreen->b.get_name = si_get_name;
    983 	sscreen->b.get_vendor = si_get_vendor;
    984 	sscreen->b.get_device_vendor = si_get_device_vendor;
    985 	sscreen->b.get_param = si_get_param;
    986 	sscreen->b.get_paramf = si_get_paramf;
    987 	sscreen->b.get_compute_param = si_get_compute_param;
    988 	sscreen->b.get_timestamp = si_get_timestamp;
    989 	sscreen->b.get_shader_param = si_get_shader_param;
    990 	sscreen->b.get_compiler_options = si_get_compiler_options;
    991 	sscreen->b.get_device_uuid = si_get_device_uuid;
    992 	sscreen->b.get_driver_uuid = si_get_driver_uuid;
    993 	sscreen->b.query_memory_info = si_query_memory_info;
    994 	sscreen->b.get_disk_shader_cache = si_get_disk_shader_cache;
    995 
    996 	if (sscreen->info.has_hw_decode) {
    997 		sscreen->b.get_video_param = si_get_video_param;
    998 		sscreen->b.is_video_format_supported = si_vid_is_format_supported;
    999 	} else {
   1000 		sscreen->b.get_video_param = si_get_video_param_no_decode;
   1001 		sscreen->b.is_video_format_supported = vl_video_buffer_is_format_supported;
   1002 	}
   1003 
   1004 	si_init_renderer_string(sscreen);
   1005 }
   1006