• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 
cik_get_num_tile_pipes(struct amdgpu_gpu_info * info)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 
has_syncobj(int fd)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 
ac_query_gpu_info(int fd,amdgpu_device_handle dev,struct radeon_info * info,struct amdgpu_gpu_info * amdinfo)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 
ac_compute_driver_uuid(char * uuid,size_t size)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 
ac_compute_device_uuid(struct radeon_info * info,char * uuid,size_t size)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 
ac_print_gpu_info(struct radeon_info * info)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