1 /* 2 * Copyright 2009 Jerome Glisse. 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 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Jerome Glisse 23 * 24 * $FreeBSD: head/sys/dev/drm2/radeon/radeon_benchmark.c 254885 2013-08-25 19:37:15Z dumbbell $ 25 */ 26 27 #include <drm/drmP.h> 28 #include <uapi_drm/radeon_drm.h> 29 #include "radeon_reg.h" 30 #include "radeon.h" 31 32 #define RADEON_BENCHMARK_COPY_BLIT 1 33 #define RADEON_BENCHMARK_COPY_DMA 0 34 35 #define RADEON_BENCHMARK_ITERATIONS 1024 36 #define RADEON_BENCHMARK_COMMON_MODES_N 17 37 38 static int radeon_benchmark_do_move(struct radeon_device *rdev, unsigned size, 39 uint64_t saddr, uint64_t daddr, 40 int flag, int n) 41 { 42 unsigned long start_jiffies; 43 unsigned long end_jiffies; 44 struct radeon_fence *fence = NULL; 45 int i, r; 46 47 start_jiffies = jiffies; 48 for (i = 0; i < n; i++) { 49 switch (flag) { 50 case RADEON_BENCHMARK_COPY_DMA: 51 r = radeon_copy_dma(rdev, saddr, daddr, 52 size / RADEON_GPU_PAGE_SIZE, 53 &fence); 54 break; 55 case RADEON_BENCHMARK_COPY_BLIT: 56 r = radeon_copy_blit(rdev, saddr, daddr, 57 size / RADEON_GPU_PAGE_SIZE, 58 &fence); 59 break; 60 default: 61 DRM_ERROR("Unknown copy method\n"); 62 r = -EINVAL; 63 } 64 if (r) 65 goto exit_do_move; 66 r = radeon_fence_wait(fence, false); 67 if (r) 68 goto exit_do_move; 69 radeon_fence_unref(&fence); 70 } 71 end_jiffies = jiffies; 72 r = jiffies_to_msecs(end_jiffies - start_jiffies); 73 74 exit_do_move: 75 if (fence) 76 radeon_fence_unref(&fence); 77 return r; 78 } 79 80 81 static void radeon_benchmark_log_results(int n, unsigned size, 82 unsigned int time, 83 unsigned sdomain, unsigned ddomain, 84 char *kind) 85 { 86 unsigned int throughput = (n * (size >> 10)) / time; 87 DRM_INFO("radeon: %s %u bo moves of %u kB from" 88 " %d to %d in %u ms, throughput: %u Mb/s or %u MB/s\n", 89 kind, n, size >> 10, sdomain, ddomain, time, 90 throughput * 8, throughput); 91 } 92 93 static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size, 94 unsigned sdomain, unsigned ddomain) 95 { 96 struct radeon_bo *dobj = NULL; 97 struct radeon_bo *sobj = NULL; 98 uint64_t saddr, daddr; 99 int r, n; 100 int time; 101 102 n = RADEON_BENCHMARK_ITERATIONS; 103 r = radeon_bo_create(rdev, size, PAGE_SIZE, true, sdomain, NULL, &sobj); 104 if (r) { 105 goto out_cleanup; 106 } 107 r = radeon_bo_reserve(sobj, false); 108 if (unlikely(r != 0)) 109 goto out_cleanup; 110 r = radeon_bo_pin(sobj, sdomain, &saddr); 111 radeon_bo_unreserve(sobj); 112 if (r) { 113 goto out_cleanup; 114 } 115 r = radeon_bo_create(rdev, size, PAGE_SIZE, true, ddomain, NULL, &dobj); 116 if (r) { 117 goto out_cleanup; 118 } 119 r = radeon_bo_reserve(dobj, false); 120 if (unlikely(r != 0)) 121 goto out_cleanup; 122 r = radeon_bo_pin(dobj, ddomain, &daddr); 123 radeon_bo_unreserve(dobj); 124 if (r) { 125 goto out_cleanup; 126 } 127 128 if (rdev->asic->copy.dma) { 129 time = radeon_benchmark_do_move(rdev, size, saddr, daddr, 130 RADEON_BENCHMARK_COPY_DMA, n); 131 if (time < 0) 132 goto out_cleanup; 133 if (time > 0) 134 radeon_benchmark_log_results(n, size, time, 135 sdomain, ddomain, "dma"); 136 } 137 138 if (rdev->asic->copy.blit) { 139 time = radeon_benchmark_do_move(rdev, size, saddr, daddr, 140 RADEON_BENCHMARK_COPY_BLIT, n); 141 if (time < 0) 142 goto out_cleanup; 143 if (time > 0) 144 radeon_benchmark_log_results(n, size, time, 145 sdomain, ddomain, "blit"); 146 } 147 148 out_cleanup: 149 if (sobj) { 150 r = radeon_bo_reserve(sobj, false); 151 if (likely(r == 0)) { 152 radeon_bo_unpin(sobj); 153 radeon_bo_unreserve(sobj); 154 } 155 radeon_bo_unref(&sobj); 156 } 157 if (dobj) { 158 r = radeon_bo_reserve(dobj, false); 159 if (likely(r == 0)) { 160 radeon_bo_unpin(dobj); 161 radeon_bo_unreserve(dobj); 162 } 163 radeon_bo_unref(&dobj); 164 } 165 166 if (r) { 167 DRM_ERROR("Error while benchmarking BO move.\n"); 168 } 169 } 170 171 void radeon_benchmark(struct radeon_device *rdev, int test_number) 172 { 173 int i; 174 int common_modes[RADEON_BENCHMARK_COMMON_MODES_N] = { 175 640 * 480 * 4, 176 720 * 480 * 4, 177 800 * 600 * 4, 178 848 * 480 * 4, 179 1024 * 768 * 4, 180 1152 * 768 * 4, 181 1280 * 720 * 4, 182 1280 * 800 * 4, 183 1280 * 854 * 4, 184 1280 * 960 * 4, 185 1280 * 1024 * 4, 186 1440 * 900 * 4, 187 1400 * 1050 * 4, 188 1680 * 1050 * 4, 189 1600 * 1200 * 4, 190 1920 * 1080 * 4, 191 1920 * 1200 * 4 192 }; 193 194 switch (test_number) { 195 case 1: 196 /* simple test, VRAM to GTT and GTT to VRAM */ 197 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_GTT, 198 RADEON_GEM_DOMAIN_VRAM); 199 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM, 200 RADEON_GEM_DOMAIN_GTT); 201 break; 202 case 2: 203 /* simple test, VRAM to VRAM */ 204 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM, 205 RADEON_GEM_DOMAIN_VRAM); 206 break; 207 case 3: 208 /* GTT to VRAM, buffer size sweep, powers of 2 */ 209 for (i = 1; i <= 16384; i <<= 1) 210 radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE, 211 RADEON_GEM_DOMAIN_GTT, 212 RADEON_GEM_DOMAIN_VRAM); 213 break; 214 case 4: 215 /* VRAM to GTT, buffer size sweep, powers of 2 */ 216 for (i = 1; i <= 16384; i <<= 1) 217 radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE, 218 RADEON_GEM_DOMAIN_VRAM, 219 RADEON_GEM_DOMAIN_GTT); 220 break; 221 case 5: 222 /* VRAM to VRAM, buffer size sweep, powers of 2 */ 223 for (i = 1; i <= 16384; i <<= 1) 224 radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE, 225 RADEON_GEM_DOMAIN_VRAM, 226 RADEON_GEM_DOMAIN_VRAM); 227 break; 228 case 6: 229 /* GTT to VRAM, buffer size sweep, common modes */ 230 for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++) 231 radeon_benchmark_move(rdev, common_modes[i], 232 RADEON_GEM_DOMAIN_GTT, 233 RADEON_GEM_DOMAIN_VRAM); 234 break; 235 case 7: 236 /* VRAM to GTT, buffer size sweep, common modes */ 237 for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++) 238 radeon_benchmark_move(rdev, common_modes[i], 239 RADEON_GEM_DOMAIN_VRAM, 240 RADEON_GEM_DOMAIN_GTT); 241 break; 242 case 8: 243 /* VRAM to VRAM, buffer size sweep, common modes */ 244 for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++) 245 radeon_benchmark_move(rdev, common_modes[i], 246 RADEON_GEM_DOMAIN_VRAM, 247 RADEON_GEM_DOMAIN_VRAM); 248 break; 249 250 default: 251 DRM_ERROR("Unknown benchmark\n"); 252 } 253 } 254