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 #include <drm/drmP.h> 25 #include <drm/radeon_drm.h> 26 #include "radeon_reg.h" 27 #include "radeon.h" 28 29 #define RADEON_BENCHMARK_COPY_BLIT 1 30 #define RADEON_BENCHMARK_COPY_DMA 0 31 32 #define RADEON_BENCHMARK_ITERATIONS 1024 33 #define RADEON_BENCHMARK_COMMON_MODES_N 17 34 35 static int radeon_benchmark_do_move(struct radeon_device *rdev, unsigned size, 36 uint64_t saddr, uint64_t daddr, 37 int flag, int n) 38 { 39 unsigned long start_jiffies; 40 unsigned long end_jiffies; 41 struct radeon_fence *fence = NULL; 42 int i, r; 43 44 start_jiffies = jiffies; 45 for (i = 0; i < n; i++) { 46 switch (flag) { 47 case RADEON_BENCHMARK_COPY_DMA: 48 r = radeon_copy_dma(rdev, saddr, daddr, 49 size / RADEON_GPU_PAGE_SIZE, 50 &fence); 51 break; 52 case RADEON_BENCHMARK_COPY_BLIT: 53 r = radeon_copy_blit(rdev, saddr, daddr, 54 size / RADEON_GPU_PAGE_SIZE, 55 &fence); 56 break; 57 default: 58 DRM_ERROR("Unknown copy method\n"); 59 r = -EINVAL; 60 } 61 if (r) 62 goto exit_do_move; 63 r = radeon_fence_wait(fence, false); 64 if (r) 65 goto exit_do_move; 66 radeon_fence_unref(&fence); 67 } 68 end_jiffies = jiffies; 69 r = jiffies_to_msecs(end_jiffies - start_jiffies); 70 71 exit_do_move: 72 if (fence) 73 radeon_fence_unref(&fence); 74 return r; 75 } 76 77 78 static void radeon_benchmark_log_results(int n, unsigned size, 79 unsigned int time, 80 unsigned sdomain, unsigned ddomain, 81 char *kind) 82 { 83 unsigned int throughput = (n * (size >> 10)) / time; 84 DRM_INFO("radeon: %s %u bo moves of %u kB from" 85 " %d to %d in %u ms, throughput: %u Mb/s or %u MB/s\n", 86 kind, n, size >> 10, sdomain, ddomain, time, 87 throughput * 8, throughput); 88 } 89 90 static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size, 91 unsigned sdomain, unsigned ddomain) 92 { 93 struct radeon_bo *dobj = NULL; 94 struct radeon_bo *sobj = NULL; 95 uint64_t saddr, daddr; 96 int r, n; 97 int time; 98 99 n = RADEON_BENCHMARK_ITERATIONS; 100 r = radeon_bo_create(rdev, size, PAGE_SIZE, true, sdomain, NULL, &sobj); 101 if (r) { 102 goto out_cleanup; 103 } 104 r = radeon_bo_reserve(sobj, false); 105 if (unlikely(r != 0)) 106 goto out_cleanup; 107 r = radeon_bo_pin(sobj, sdomain, &saddr); 108 radeon_bo_unreserve(sobj); 109 if (r) { 110 goto out_cleanup; 111 } 112 r = radeon_bo_create(rdev, size, PAGE_SIZE, true, ddomain, NULL, &dobj); 113 if (r) { 114 goto out_cleanup; 115 } 116 r = radeon_bo_reserve(dobj, false); 117 if (unlikely(r != 0)) 118 goto out_cleanup; 119 r = radeon_bo_pin(dobj, ddomain, &daddr); 120 radeon_bo_unreserve(dobj); 121 if (r) { 122 goto out_cleanup; 123 } 124 125 /* r100 doesn't have dma engine so skip the test */ 126 /* also, VRAM-to-VRAM test doesn't make much sense for DMA */ 127 /* skip it as well if domains are the same */ 128 if ((rdev->asic->copy.dma) && (sdomain != ddomain)) { 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 time = radeon_benchmark_do_move(rdev, size, saddr, daddr, 139 RADEON_BENCHMARK_COPY_BLIT, n); 140 if (time < 0) 141 goto out_cleanup; 142 if (time > 0) 143 radeon_benchmark_log_results(n, size, time, 144 sdomain, ddomain, "blit"); 145 146 out_cleanup: 147 if (sobj) { 148 r = radeon_bo_reserve(sobj, false); 149 if (likely(r == 0)) { 150 radeon_bo_unpin(sobj); 151 radeon_bo_unreserve(sobj); 152 } 153 radeon_bo_unref(&sobj); 154 } 155 if (dobj) { 156 r = radeon_bo_reserve(dobj, false); 157 if (likely(r == 0)) { 158 radeon_bo_unpin(dobj); 159 radeon_bo_unreserve(dobj); 160 } 161 radeon_bo_unref(&dobj); 162 } 163 164 if (r) { 165 DRM_ERROR("Error while benchmarking BO move.\n"); 166 } 167 } 168 169 void radeon_benchmark(struct radeon_device *rdev, int test_number) 170 { 171 int i; 172 int common_modes[RADEON_BENCHMARK_COMMON_MODES_N] = { 173 640 * 480 * 4, 174 720 * 480 * 4, 175 800 * 600 * 4, 176 848 * 480 * 4, 177 1024 * 768 * 4, 178 1152 * 768 * 4, 179 1280 * 720 * 4, 180 1280 * 800 * 4, 181 1280 * 854 * 4, 182 1280 * 960 * 4, 183 1280 * 1024 * 4, 184 1440 * 900 * 4, 185 1400 * 1050 * 4, 186 1680 * 1050 * 4, 187 1600 * 1200 * 4, 188 1920 * 1080 * 4, 189 1920 * 1200 * 4 190 }; 191 192 switch (test_number) { 193 case 1: 194 /* simple test, VRAM to GTT and GTT to VRAM */ 195 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_GTT, 196 RADEON_GEM_DOMAIN_VRAM); 197 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM, 198 RADEON_GEM_DOMAIN_GTT); 199 break; 200 case 2: 201 /* simple test, VRAM to VRAM */ 202 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM, 203 RADEON_GEM_DOMAIN_VRAM); 204 break; 205 case 3: 206 /* GTT to VRAM, buffer size sweep, powers of 2 */ 207 for (i = 1; i <= 16384; i <<= 1) 208 radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE, 209 RADEON_GEM_DOMAIN_GTT, 210 RADEON_GEM_DOMAIN_VRAM); 211 break; 212 case 4: 213 /* VRAM to GTT, buffer size sweep, powers of 2 */ 214 for (i = 1; i <= 16384; i <<= 1) 215 radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE, 216 RADEON_GEM_DOMAIN_VRAM, 217 RADEON_GEM_DOMAIN_GTT); 218 break; 219 case 5: 220 /* VRAM to VRAM, buffer size sweep, powers of 2 */ 221 for (i = 1; i <= 16384; i <<= 1) 222 radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE, 223 RADEON_GEM_DOMAIN_VRAM, 224 RADEON_GEM_DOMAIN_VRAM); 225 break; 226 case 6: 227 /* GTT to VRAM, buffer size sweep, common modes */ 228 for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++) 229 radeon_benchmark_move(rdev, common_modes[i], 230 RADEON_GEM_DOMAIN_GTT, 231 RADEON_GEM_DOMAIN_VRAM); 232 break; 233 case 7: 234 /* VRAM to GTT, buffer size sweep, common modes */ 235 for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++) 236 radeon_benchmark_move(rdev, common_modes[i], 237 RADEON_GEM_DOMAIN_VRAM, 238 RADEON_GEM_DOMAIN_GTT); 239 break; 240 case 8: 241 /* VRAM to VRAM, buffer size sweep, common modes */ 242 for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++) 243 radeon_benchmark_move(rdev, common_modes[i], 244 RADEON_GEM_DOMAIN_VRAM, 245 RADEON_GEM_DOMAIN_VRAM); 246 break; 247 248 default: 249 DRM_ERROR("Unknown benchmark\n"); 250 } 251 } 252