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 fence = radeon_copy_dma(rdev, saddr, daddr, 49 size / RADEON_GPU_PAGE_SIZE, 50 NULL); 51 break; 52 case RADEON_BENCHMARK_COPY_BLIT: 53 fence = radeon_copy_blit(rdev, saddr, daddr, 54 size / RADEON_GPU_PAGE_SIZE, 55 NULL); 56 break; 57 default: 58 DRM_ERROR("Unknown copy method\n"); 59 return -EINVAL; 60 } 61 if (IS_ERR(fence)) 62 return PTR_ERR(fence); 63 64 r = radeon_fence_wait(fence, false); 65 radeon_fence_unref(&fence); 66 if (r) 67 return r; 68 } 69 end_jiffies = jiffies; 70 return jiffies_to_msecs(end_jiffies - start_jiffies); 71 } 72 73 74 static void radeon_benchmark_log_results(int n, unsigned size, 75 unsigned int time, 76 unsigned sdomain, unsigned ddomain, 77 char *kind) 78 { 79 unsigned int throughput = (n * (size >> 10)) / time; 80 DRM_INFO("radeon: %s %u bo moves of %u kB from" 81 " %d to %d in %u ms, throughput: %u Mb/s or %u MB/s\n", 82 kind, n, size >> 10, sdomain, ddomain, time, 83 throughput * 8, throughput); 84 } 85 86 static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size, 87 unsigned sdomain, unsigned ddomain) 88 { 89 struct radeon_bo *dobj = NULL; 90 struct radeon_bo *sobj = NULL; 91 uint64_t saddr, daddr; 92 int r, n; 93 int time; 94 95 n = RADEON_BENCHMARK_ITERATIONS; 96 r = radeon_bo_create(rdev, size, PAGE_SIZE, true, sdomain, 0, NULL, &sobj); 97 if (r) { 98 goto out_cleanup; 99 } 100 r = radeon_bo_reserve(sobj, false); 101 if (unlikely(r != 0)) 102 goto out_cleanup; 103 r = radeon_bo_pin(sobj, sdomain, (u64 *)&saddr); 104 radeon_bo_unreserve(sobj); 105 if (r) { 106 goto out_cleanup; 107 } 108 r = radeon_bo_create(rdev, size, PAGE_SIZE, true, ddomain, 0, NULL, &dobj); 109 if (r) { 110 goto out_cleanup; 111 } 112 r = radeon_bo_reserve(dobj, false); 113 if (unlikely(r != 0)) 114 goto out_cleanup; 115 r = radeon_bo_pin(dobj, ddomain, (u64 *)&daddr); 116 radeon_bo_unreserve(dobj); 117 if (r) { 118 goto out_cleanup; 119 } 120 121 if (rdev->asic->copy.dma) { 122 time = radeon_benchmark_do_move(rdev, size, saddr, daddr, 123 RADEON_BENCHMARK_COPY_DMA, n); 124 if (time < 0) 125 goto out_cleanup; 126 if (time > 0) 127 radeon_benchmark_log_results(n, size, time, 128 sdomain, ddomain, "dma"); 129 } 130 131 if (rdev->asic->copy.blit) { 132 time = radeon_benchmark_do_move(rdev, size, saddr, daddr, 133 RADEON_BENCHMARK_COPY_BLIT, n); 134 if (time < 0) 135 goto out_cleanup; 136 if (time > 0) 137 radeon_benchmark_log_results(n, size, time, 138 sdomain, ddomain, "blit"); 139 } 140 141 out_cleanup: 142 if (sobj) { 143 r = radeon_bo_reserve(sobj, false); 144 if (likely(r == 0)) { 145 radeon_bo_unpin(sobj); 146 radeon_bo_unreserve(sobj); 147 } 148 radeon_bo_unref(&sobj); 149 } 150 if (dobj) { 151 r = radeon_bo_reserve(dobj, false); 152 if (likely(r == 0)) { 153 radeon_bo_unpin(dobj); 154 radeon_bo_unreserve(dobj); 155 } 156 radeon_bo_unref(&dobj); 157 } 158 159 if (r) { 160 DRM_ERROR("Error while benchmarking BO move.\n"); 161 } 162 } 163 164 void radeon_benchmark(struct radeon_device *rdev, int test_number) 165 { 166 int i; 167 int common_modes[RADEON_BENCHMARK_COMMON_MODES_N] = { 168 640 * 480 * 4, 169 720 * 480 * 4, 170 800 * 600 * 4, 171 848 * 480 * 4, 172 1024 * 768 * 4, 173 1152 * 768 * 4, 174 1280 * 720 * 4, 175 1280 * 800 * 4, 176 1280 * 854 * 4, 177 1280 * 960 * 4, 178 1280 * 1024 * 4, 179 1440 * 900 * 4, 180 1400 * 1050 * 4, 181 1680 * 1050 * 4, 182 1600 * 1200 * 4, 183 1920 * 1080 * 4, 184 1920 * 1200 * 4 185 }; 186 187 switch (test_number) { 188 case 1: 189 /* simple test, VRAM to GTT and GTT to VRAM */ 190 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_GTT, 191 RADEON_GEM_DOMAIN_VRAM); 192 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM, 193 RADEON_GEM_DOMAIN_GTT); 194 break; 195 case 2: 196 /* simple test, VRAM to VRAM */ 197 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM, 198 RADEON_GEM_DOMAIN_VRAM); 199 break; 200 case 3: 201 /* GTT to VRAM, buffer size sweep, powers of 2 */ 202 for (i = 1; i <= 16384; i <<= 1) 203 radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE, 204 RADEON_GEM_DOMAIN_GTT, 205 RADEON_GEM_DOMAIN_VRAM); 206 break; 207 case 4: 208 /* VRAM to GTT, 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_VRAM, 212 RADEON_GEM_DOMAIN_GTT); 213 break; 214 case 5: 215 /* VRAM to VRAM, 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_VRAM); 220 break; 221 case 6: 222 /* GTT to VRAM, buffer size sweep, common modes */ 223 for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++) 224 radeon_benchmark_move(rdev, common_modes[i], 225 RADEON_GEM_DOMAIN_GTT, 226 RADEON_GEM_DOMAIN_VRAM); 227 break; 228 case 7: 229 /* VRAM to GTT, 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_VRAM, 233 RADEON_GEM_DOMAIN_GTT); 234 break; 235 case 8: 236 /* VRAM to VRAM, 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_VRAM); 241 break; 242 243 default: 244 DRM_ERROR("Unknown benchmark\n"); 245 } 246 } 247