drm/radeon: Sync to Linux 3.11
[dragonfly.git] / sys / dev / drm / radeon / radeon_benchmark.c
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 <uapi_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         if (rdev->asic->copy.dma) {
126                 time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
127                                                 RADEON_BENCHMARK_COPY_DMA, n);
128                 if (time < 0)
129                         goto out_cleanup;
130                 if (time > 0)
131                         radeon_benchmark_log_results(n, size, time,
132                                                      sdomain, ddomain, "dma");
133         }
134
135         if (rdev->asic->copy.blit) {
136                 time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
137                                                 RADEON_BENCHMARK_COPY_BLIT, n);
138                 if (time < 0)
139                         goto out_cleanup;
140                 if (time > 0)
141                         radeon_benchmark_log_results(n, size, time,
142                                                      sdomain, ddomain, "blit");
143         }
144
145 out_cleanup:
146         if (sobj) {
147                 r = radeon_bo_reserve(sobj, false);
148                 if (likely(r == 0)) {
149                         radeon_bo_unpin(sobj);
150                         radeon_bo_unreserve(sobj);
151                 }
152                 radeon_bo_unref(&sobj);
153         }
154         if (dobj) {
155                 r = radeon_bo_reserve(dobj, false);
156                 if (likely(r == 0)) {
157                         radeon_bo_unpin(dobj);
158                         radeon_bo_unreserve(dobj);
159                 }
160                 radeon_bo_unref(&dobj);
161         }
162
163         if (r) {
164                 DRM_ERROR("Error while benchmarking BO move.\n");
165         }
166 }
167
168 void radeon_benchmark(struct radeon_device *rdev, int test_number)
169 {
170         int i;
171         int common_modes[RADEON_BENCHMARK_COMMON_MODES_N] = {
172                 640 * 480 * 4,
173                 720 * 480 * 4,
174                 800 * 600 * 4,
175                 848 * 480 * 4,
176                 1024 * 768 * 4,
177                 1152 * 768 * 4,
178                 1280 * 720 * 4,
179                 1280 * 800 * 4,
180                 1280 * 854 * 4,
181                 1280 * 960 * 4,
182                 1280 * 1024 * 4,
183                 1440 * 900 * 4,
184                 1400 * 1050 * 4,
185                 1680 * 1050 * 4,
186                 1600 * 1200 * 4,
187                 1920 * 1080 * 4,
188                 1920 * 1200 * 4
189         };
190
191         switch (test_number) {
192         case 1:
193                 /* simple test, VRAM to GTT and GTT to VRAM */
194                 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_GTT,
195                                       RADEON_GEM_DOMAIN_VRAM);
196                 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM,
197                                       RADEON_GEM_DOMAIN_GTT);
198                 break;
199         case 2:
200                 /* simple test, VRAM to VRAM */
201                 radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM,
202                                       RADEON_GEM_DOMAIN_VRAM);
203                 break;
204         case 3:
205                 /* GTT to VRAM, buffer size sweep, powers of 2 */
206                 for (i = 1; i <= 16384; i <<= 1)
207                         radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE,
208                                               RADEON_GEM_DOMAIN_GTT,
209                                               RADEON_GEM_DOMAIN_VRAM);
210                 break;
211         case 4:
212                 /* VRAM to GTT, buffer size sweep, powers of 2 */
213                 for (i = 1; i <= 16384; i <<= 1)
214                         radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE,
215                                               RADEON_GEM_DOMAIN_VRAM,
216                                               RADEON_GEM_DOMAIN_GTT);
217                 break;
218         case 5:
219                 /* VRAM to VRAM, buffer size sweep, powers of 2 */
220                 for (i = 1; i <= 16384; i <<= 1)
221                         radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE,
222                                               RADEON_GEM_DOMAIN_VRAM,
223                                               RADEON_GEM_DOMAIN_VRAM);
224                 break;
225         case 6:
226                 /* GTT to VRAM, buffer size sweep, common modes */
227                 for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++)
228                         radeon_benchmark_move(rdev, common_modes[i],
229                                               RADEON_GEM_DOMAIN_GTT,
230                                               RADEON_GEM_DOMAIN_VRAM);
231                 break;
232         case 7:
233                 /* VRAM to GTT, buffer size sweep, common modes */
234                 for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++)
235                         radeon_benchmark_move(rdev, common_modes[i],
236                                               RADEON_GEM_DOMAIN_VRAM,
237                                               RADEON_GEM_DOMAIN_GTT);
238                 break;
239         case 8:
240                 /* VRAM to VRAM, buffer size sweep, common modes */
241                 for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++)
242                         radeon_benchmark_move(rdev, common_modes[i],
243                                               RADEON_GEM_DOMAIN_VRAM,
244                                               RADEON_GEM_DOMAIN_VRAM);
245                 break;
246
247         default:
248                 DRM_ERROR("Unknown benchmark\n");
249         }
250 }