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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
      5  * a copy of this software and associated documentation files (the
      6  * "Software"), to deal in the Software without restriction, including
      7  * without limitation the rights to use, copy, modify, merge, publish,
      8  * distribute, sub license, and/or sell copies of the Software, and to
      9  * permit persons to whom the Software is furnished to do so, subject to
     10  * the following conditions:
     11  *
     12  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     13  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
     14  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     15  * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
     16  * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     18  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
     19  * USE OR OTHER DEALINGS IN THE SOFTWARE.
     20  *
     21  * The above copyright notice and this permission notice (including the
     22  * next paragraph) shall be included in all copies or substantial portions
     23  * of the Software.
     24  */
     25 
     26 #include "ac_gpu_info.h"
     27 #include "sid.h"
     28 #include "gfx9d.h"
     29 
     30 #include "util/u_math.h"
     31 
     32 #include <stdio.h>
     33 
     34 #include <xf86drm.h>
     35 #include <amdgpu_drm.h>
     36 
     37 #include <amdgpu.h>
     38 
     39 #define CIK_TILE_MODE_COLOR_2D			14
     40 
     41 #define CIK__GB_TILE_MODE__PIPE_CONFIG(x)        (((x) >> 6) & 0x1f)
     42 #define     CIK__PIPE_CONFIG__ADDR_SURF_P2               0
     43 #define     CIK__PIPE_CONFIG__ADDR_SURF_P4_8x16          4
     44 #define     CIK__PIPE_CONFIG__ADDR_SURF_P4_16x16         5
     45 #define     CIK__PIPE_CONFIG__ADDR_SURF_P4_16x32         6
     46 #define     CIK__PIPE_CONFIG__ADDR_SURF_P4_32x32         7
     47 #define     CIK__PIPE_CONFIG__ADDR_SURF_P8_16x16_8x16    8
     48 #define     CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_8x16    9
     49 #define     CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_8x16    10
     50 #define     CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_16x16   11
     51 #define     CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x16   12
     52 #define     CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x32   13
     53 #define     CIK__PIPE_CONFIG__ADDR_SURF_P8_32x64_32x32   14
     54 #define     CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_8X16   16
     55 #define     CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_16X16  17
     56 
     57 static unsigned cik_get_num_tile_pipes(struct amdgpu_gpu_info *info)
     58 {
     59    unsigned mode2d = info->gb_tile_mode[CIK_TILE_MODE_COLOR_2D];
     60 
     61    switch (CIK__GB_TILE_MODE__PIPE_CONFIG(mode2d)) {
     62    case CIK__PIPE_CONFIG__ADDR_SURF_P2:
     63        return 2;
     64    case CIK__PIPE_CONFIG__ADDR_SURF_P4_8x16:
     65    case CIK__PIPE_CONFIG__ADDR_SURF_P4_16x16:
     66    case CIK__PIPE_CONFIG__ADDR_SURF_P4_16x32:
     67    case CIK__PIPE_CONFIG__ADDR_SURF_P4_32x32:
     68        return 4;
     69    case CIK__PIPE_CONFIG__ADDR_SURF_P8_16x16_8x16:
     70    case CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_8x16:
     71    case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_8x16:
     72    case CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_16x16:
     73    case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x16:
     74    case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x32:
     75    case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x64_32x32:
     76        return 8;
     77    case CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_8X16:
     78    case CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_16X16:
     79        return 16;
     80    default:
     81        fprintf(stderr, "Invalid CIK pipe configuration, assuming P2\n");
     82        assert(!"this should never occur");
     83        return 2;
     84    }
     85 }
     86 
     87 static bool has_syncobj(int fd)
     88 {
     89 	uint64_t value;
     90 	if (drmGetCap(fd, DRM_CAP_SYNCOBJ, &value))
     91 		return false;
     92 	return value ? true : false;
     93 }
     94 
     95 bool ac_query_gpu_info(int fd, amdgpu_device_handle dev,
     96 		       struct radeon_info *info,
     97 		       struct amdgpu_gpu_info *amdinfo)
     98 {
     99 	struct amdgpu_buffer_size_alignments alignment_info = {};
    100 	struct amdgpu_heap_info vram, vram_vis, gtt;
    101 	struct drm_amdgpu_info_hw_ip dma = {}, compute = {}, uvd = {};
    102 	struct drm_amdgpu_info_hw_ip vce = {}, vcn_dec = {};
    103 	struct drm_amdgpu_info_hw_ip vcn_enc = {}, gfx = {};
    104 	uint32_t vce_version = 0, vce_feature = 0, uvd_version = 0, uvd_feature = 0;
    105 	int r, i, j;
    106 	drmDevicePtr devinfo;
    107 
    108 	/* Get PCI info. */
    109 	r = drmGetDevice2(fd, 0, &devinfo);
    110 	if (r) {
    111 		fprintf(stderr, "amdgpu: drmGetDevice2 failed.\n");
    112 		return false;
    113 	}
    114 	info->pci_domain = devinfo->businfo.pci->domain;
    115 	info->pci_bus = devinfo->businfo.pci->bus;
    116 	info->pci_dev = devinfo->businfo.pci->dev;
    117 	info->pci_func = devinfo->businfo.pci->func;
    118 	drmFreeDevice(&devinfo);
    119 
    120 	/* Query hardware and driver information. */
    121 	r = amdgpu_query_gpu_info(dev, amdinfo);
    122 	if (r) {
    123 		fprintf(stderr, "amdgpu: amdgpu_query_gpu_info failed.\n");
    124 		return false;
    125 	}
    126 
    127 	r = amdgpu_query_buffer_size_alignment(dev, &alignment_info);
    128 	if (r) {
    129 		fprintf(stderr, "amdgpu: amdgpu_query_buffer_size_alignment failed.\n");
    130 		return false;
    131 	}
    132 
    133 	r = amdgpu_query_heap_info(dev, AMDGPU_GEM_DOMAIN_VRAM, 0, &vram);
    134 	if (r) {
    135 		fprintf(stderr, "amdgpu: amdgpu_query_heap_info(vram) failed.\n");
    136 		return false;
    137 	}
    138 
    139 	r = amdgpu_query_heap_info(dev, AMDGPU_GEM_DOMAIN_VRAM,
    140 				AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
    141 				&vram_vis);
    142 	if (r) {
    143 		fprintf(stderr, "amdgpu: amdgpu_query_heap_info(vram_vis) failed.\n");
    144 		return false;
    145 	}
    146 
    147 	r = amdgpu_query_heap_info(dev, AMDGPU_GEM_DOMAIN_GTT, 0, &gtt);
    148 	if (r) {
    149 		fprintf(stderr, "amdgpu: amdgpu_query_heap_info(gtt) failed.\n");
    150 		return false;
    151 	}
    152 
    153 	r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_DMA, 0, &dma);
    154 	if (r) {
    155 		fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(dma) failed.\n");
    156 		return false;
    157 	}
    158 
    159 	r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_GFX, 0, &gfx);
    160 	if (r) {
    161 		fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(gfx) failed.\n");
    162 		return false;
    163 	}
    164 
    165 	r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_COMPUTE, 0, &compute);
    166 	if (r) {
    167 		fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(compute) failed.\n");
    168 		return false;
    169 	}
    170 
    171 	r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_UVD, 0, &uvd);
    172 	if (r) {
    173 		fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(uvd) failed.\n");
    174 		return false;
    175 	}
    176 
    177 	if (info->drm_major == 3 && info->drm_minor >= 17) {
    178 		r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_VCN_DEC, 0, &vcn_dec);
    179 		if (r) {
    180 			fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(vcn_dec) failed.\n");
    181 			return false;
    182 		}
    183 	}
    184 
    185 	if (info->drm_major == 3 && info->drm_minor >= 17) {
    186 		r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_VCN_ENC, 0, &vcn_enc);
    187 		if (r) {
    188 			fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(vcn_enc) failed.\n");
    189 			return false;
    190 		}
    191 	}
    192 
    193 	r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_GFX_ME, 0, 0,
    194 					&info->me_fw_version,
    195 					&info->me_fw_feature);
    196 	if (r) {
    197 		fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(me) failed.\n");
    198 		return false;
    199 	}
    200 
    201 	r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_GFX_PFP, 0, 0,
    202 					&info->pfp_fw_version,
    203 					&info->pfp_fw_feature);
    204 	if (r) {
    205 		fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(pfp) failed.\n");
    206 		return false;
    207 	}
    208 
    209 	r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_GFX_CE, 0, 0,
    210 					&info->ce_fw_version,
    211 					&info->ce_fw_feature);
    212 	if (r) {
    213 		fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(ce) failed.\n");
    214 		return false;
    215 	}
    216 
    217 	r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_UVD, 0, 0,
    218 					&uvd_version, &uvd_feature);
    219 	if (r) {
    220 		fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(uvd) failed.\n");
    221 		return false;
    222 	}
    223 
    224 	r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_VCE, 0, &vce);
    225 	if (r) {
    226 		fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(vce) failed.\n");
    227 		return false;
    228 	}
    229 
    230 	r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_VCE, 0, 0,
    231 					&vce_version, &vce_feature);
    232 	if (r) {
    233 		fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(vce) failed.\n");
    234 		return false;
    235 	}
    236 
    237 	/* Set chip identification. */
    238 	info->pci_id = amdinfo->asic_id; /* TODO: is this correct? */
    239 	info->vce_harvest_config = amdinfo->vce_harvest_config;
    240 
    241 	switch (info->pci_id) {
    242 #define CHIPSET(pci_id, cfamily) case pci_id: info->family = CHIP_##cfamily; break;
    243 #include "pci_ids/radeonsi_pci_ids.h"
    244 #undef CHIPSET
    245 
    246 	default:
    247 		fprintf(stderr, "amdgpu: Invalid PCI ID.\n");
    248 		return false;
    249 	}
    250 
    251 	if (info->family >= CHIP_VEGA10)
    252 		info->chip_class = GFX9;
    253 	else if (info->family >= CHIP_TONGA)
    254 		info->chip_class = VI;
    255 	else if (info->family >= CHIP_BONAIRE)
    256 		info->chip_class = CIK;
    257 	else if (info->family >= CHIP_TAHITI)
    258 		info->chip_class = SI;
    259 	else {
    260 		fprintf(stderr, "amdgpu: Unknown family.\n");
    261 		return false;
    262 	}
    263 
    264 	/* Set which chips have dedicated VRAM. */
    265 	info->has_dedicated_vram =
    266 		!(amdinfo->ids_flags & AMDGPU_IDS_FLAGS_FUSION);
    267 
    268 	/* Set hardware information. */
    269 	info->gart_size = gtt.heap_size;
    270 	info->vram_size = vram.heap_size;
    271 	info->vram_vis_size = vram_vis.heap_size;
    272 	/* The kernel can split large buffers in VRAM but not in GTT, so large
    273 	 * allocations can fail or cause buffer movement failures in the kernel.
    274 	 */
    275 	info->max_alloc_size = MIN2(info->vram_size * 0.9, info->gart_size * 0.7);
    276 	/* convert the shader clock from KHz to MHz */
    277 	info->max_shader_clock = amdinfo->max_engine_clk / 1000;
    278 	info->max_se = amdinfo->num_shader_engines;
    279 	info->max_sh_per_se = amdinfo->num_shader_arrays_per_engine;
    280 	info->has_hw_decode =
    281 		(uvd.available_rings != 0) || (vcn_dec.available_rings != 0);
    282 	info->uvd_fw_version =
    283 		uvd.available_rings ? uvd_version : 0;
    284 	info->vce_fw_version =
    285 		vce.available_rings ? vce_version : 0;
    286 	info->has_userptr = true;
    287 	info->has_syncobj = has_syncobj(fd);
    288 	info->has_syncobj_wait_for_submit = info->has_syncobj && info->drm_minor >= 20;
    289 	info->has_fence_to_handle = info->has_syncobj && info->drm_minor >= 21;
    290 	info->has_ctx_priority = info->drm_minor >= 22;
    291 	info->num_render_backends = amdinfo->rb_pipes;
    292 	info->clock_crystal_freq = amdinfo->gpu_counter_freq;
    293 	if (!info->clock_crystal_freq) {
    294 		fprintf(stderr, "amdgpu: clock crystal frequency is 0, timestamps will be wrong\n");
    295 		info->clock_crystal_freq = 1;
    296 	}
    297 	info->tcc_cache_line_size = 64; /* TC L2 line size on GCN */
    298 	if (info->chip_class == GFX9) {
    299 		info->num_tile_pipes = 1 << G_0098F8_NUM_PIPES(amdinfo->gb_addr_cfg);
    300 		info->pipe_interleave_bytes =
    301 			256 << G_0098F8_PIPE_INTERLEAVE_SIZE_GFX9(amdinfo->gb_addr_cfg);
    302 	} else {
    303 		info->num_tile_pipes = cik_get_num_tile_pipes(amdinfo);
    304 		info->pipe_interleave_bytes =
    305 			256 << G_0098F8_PIPE_INTERLEAVE_SIZE_GFX6(amdinfo->gb_addr_cfg);
    306 	}
    307 	info->has_virtual_memory = true;
    308 
    309 	assert(util_is_power_of_two(dma.available_rings + 1));
    310 	assert(util_is_power_of_two(compute.available_rings + 1));
    311 
    312 	info->num_sdma_rings = util_bitcount(dma.available_rings);
    313 	info->num_compute_rings = util_bitcount(compute.available_rings);
    314 
    315 	/* Get the number of good compute units. */
    316 	info->num_good_compute_units = 0;
    317 	for (i = 0; i < info->max_se; i++)
    318 		for (j = 0; j < info->max_sh_per_se; j++)
    319 			info->num_good_compute_units +=
    320 				util_bitcount(amdinfo->cu_bitmap[i][j]);
    321 
    322 	memcpy(info->si_tile_mode_array, amdinfo->gb_tile_mode,
    323 		sizeof(amdinfo->gb_tile_mode));
    324 	info->enabled_rb_mask = amdinfo->enabled_rb_pipes_mask;
    325 
    326 	memcpy(info->cik_macrotile_mode_array, amdinfo->gb_macro_tile_mode,
    327 		sizeof(amdinfo->gb_macro_tile_mode));
    328 
    329 	info->pte_fragment_size = alignment_info.size_local;
    330 	info->gart_page_size = alignment_info.size_remote;
    331 
    332 	if (info->chip_class == SI)
    333 		info->gfx_ib_pad_with_type2 = TRUE;
    334 
    335 	unsigned ib_align = 0;
    336 	ib_align = MAX2(ib_align, gfx.ib_start_alignment);
    337 	ib_align = MAX2(ib_align, compute.ib_start_alignment);
    338 	ib_align = MAX2(ib_align, dma.ib_start_alignment);
    339 	ib_align = MAX2(ib_align, uvd.ib_start_alignment);
    340 	ib_align = MAX2(ib_align, vce.ib_start_alignment);
    341 	ib_align = MAX2(ib_align, vcn_dec.ib_start_alignment);
    342 	ib_align = MAX2(ib_align, vcn_enc.ib_start_alignment);
    343 	info->ib_start_alignment = ib_align;
    344 
    345 	return true;
    346 }
    347 
    348 void ac_compute_driver_uuid(char *uuid, size_t size)
    349 {
    350 	char amd_uuid[] = "AMD-MESA-DRV";
    351 
    352 	assert(size >= sizeof(amd_uuid));
    353 
    354 	memset(uuid, 0, size);
    355 	strncpy(uuid, amd_uuid, size);
    356 }
    357 
    358 void ac_compute_device_uuid(struct radeon_info *info, char *uuid, size_t size)
    359 {
    360 	uint32_t *uint_uuid = (uint32_t*)uuid;
    361 
    362 	assert(size >= sizeof(uint32_t)*4);
    363 
    364 	/**
    365 	 * Use the device info directly instead of using a sha1. GL/VK UUIDs
    366 	 * are 16 byte vs 20 byte for sha1, and the truncation that would be
    367 	 * required would get rid of part of the little entropy we have.
    368 	 * */
    369 	memset(uuid, 0, size);
    370 	uint_uuid[0] = info->pci_domain;
    371 	uint_uuid[1] = info->pci_bus;
    372 	uint_uuid[2] = info->pci_dev;
    373 	uint_uuid[3] = info->pci_func;
    374 }
    375 
    376 void ac_print_gpu_info(struct radeon_info *info)
    377 {
    378 	printf("pci (domain:bus:dev.func): %04x:%02x:%02x.%x\n",
    379 	       info->pci_domain, info->pci_bus,
    380 	       info->pci_dev, info->pci_func);
    381 	printf("pci_id = 0x%x\n", info->pci_id);
    382 	printf("family = %i\n", info->family);
    383 	printf("chip_class = %i\n", info->chip_class);
    384 	printf("pte_fragment_size = %u\n", info->pte_fragment_size);
    385 	printf("gart_page_size = %u\n", info->gart_page_size);
    386 	printf("gart_size = %i MB\n", (int)DIV_ROUND_UP(info->gart_size, 1024*1024));
    387 	printf("vram_size = %i MB\n", (int)DIV_ROUND_UP(info->vram_size, 1024*1024));
    388 	printf("vram_vis_size = %i MB\n", (int)DIV_ROUND_UP(info->vram_vis_size, 1024*1024));
    389 	printf("max_alloc_size = %i MB\n",
    390 	       (int)DIV_ROUND_UP(info->max_alloc_size, 1024*1024));
    391 	printf("min_alloc_size = %u\n", info->min_alloc_size);
    392 	printf("has_dedicated_vram = %u\n", info->has_dedicated_vram);
    393 	printf("has_virtual_memory = %i\n", info->has_virtual_memory);
    394 	printf("gfx_ib_pad_with_type2 = %i\n", info->gfx_ib_pad_with_type2);
    395 	printf("has_hw_decode = %u\n", info->has_hw_decode);
    396 	printf("num_sdma_rings = %i\n", info->num_sdma_rings);
    397 	printf("num_compute_rings = %u\n", info->num_compute_rings);
    398 	printf("uvd_fw_version = %u\n", info->uvd_fw_version);
    399 	printf("vce_fw_version = %u\n", info->vce_fw_version);
    400 	printf("me_fw_version = %i\n", info->me_fw_version);
    401 	printf("me_fw_feature = %i\n", info->me_fw_feature);
    402 	printf("pfp_fw_version = %i\n", info->pfp_fw_version);
    403 	printf("pfp_fw_feature = %i\n", info->pfp_fw_feature);
    404 	printf("ce_fw_version = %i\n", info->ce_fw_version);
    405 	printf("ce_fw_feature = %i\n", info->ce_fw_feature);
    406 	printf("vce_harvest_config = %i\n", info->vce_harvest_config);
    407 	printf("clock_crystal_freq = %i\n", info->clock_crystal_freq);
    408 	printf("tcc_cache_line_size = %u\n", info->tcc_cache_line_size);
    409 	printf("drm = %i.%i.%i\n", info->drm_major,
    410 	       info->drm_minor, info->drm_patchlevel);
    411 	printf("has_userptr = %i\n", info->has_userptr);
    412 	printf("has_syncobj = %u\n", info->has_syncobj);
    413 	printf("has_fence_to_handle = %u\n", info->has_fence_to_handle);
    414 
    415 	printf("r600_max_quad_pipes = %i\n", info->r600_max_quad_pipes);
    416 	printf("max_shader_clock = %i\n", info->max_shader_clock);
    417 	printf("num_good_compute_units = %i\n", info->num_good_compute_units);
    418 	printf("max_se = %i\n", info->max_se);
    419 	printf("max_sh_per_se = %i\n", info->max_sh_per_se);
    420 
    421 	printf("r600_gb_backend_map = %i\n", info->r600_gb_backend_map);
    422 	printf("r600_gb_backend_map_valid = %i\n", info->r600_gb_backend_map_valid);
    423 	printf("r600_num_banks = %i\n", info->r600_num_banks);
    424 	printf("num_render_backends = %i\n", info->num_render_backends);
    425 	printf("num_tile_pipes = %i\n", info->num_tile_pipes);
    426 	printf("pipe_interleave_bytes = %i\n", info->pipe_interleave_bytes);
    427 	printf("enabled_rb_mask = 0x%x\n", info->enabled_rb_mask);
    428 	printf("max_alignment = %u\n", (unsigned)info->max_alignment);
    429 }
    430