2 * Copyright 2009 Jerome Glisse.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Authors: Jerome Glisse
25 #include <drm/radeon_drm.h>
26 #include "radeon_reg.h"
29 #define RADEON_BENCHMARK_COPY_BLIT 1
30 #define RADEON_BENCHMARK_COPY_DMA 0
32 #define RADEON_BENCHMARK_ITERATIONS 1024
33 #define RADEON_BENCHMARK_COMMON_MODES_N 17
35 static int radeon_benchmark_do_move(struct radeon_device
*rdev
, unsigned size
,
36 uint64_t saddr
, uint64_t daddr
,
39 unsigned long start_jiffies
;
40 unsigned long end_jiffies
;
41 struct radeon_fence
*fence
= NULL
;
44 start_jiffies
= jiffies
;
45 for (i
= 0; i
< n
; i
++) {
47 case RADEON_BENCHMARK_COPY_DMA
:
48 r
= radeon_fence_create(rdev
, &fence
, radeon_copy_dma_ring_index(rdev
));
51 r
= radeon_copy_dma(rdev
, saddr
, daddr
,
52 size
/ RADEON_GPU_PAGE_SIZE
,
55 case RADEON_BENCHMARK_COPY_BLIT
:
56 r
= radeon_fence_create(rdev
, &fence
, radeon_copy_blit_ring_index(rdev
));
59 r
= radeon_copy_blit(rdev
, saddr
, daddr
,
60 size
/ RADEON_GPU_PAGE_SIZE
,
64 DRM_ERROR("Unknown copy method\n");
69 r
= radeon_fence_wait(fence
, false);
72 radeon_fence_unref(&fence
);
74 end_jiffies
= jiffies
;
75 r
= jiffies_to_msecs(end_jiffies
- start_jiffies
);
79 radeon_fence_unref(&fence
);
84 static void radeon_benchmark_log_results(int n
, unsigned size
,
86 unsigned sdomain
, unsigned ddomain
,
89 unsigned int throughput
= (n
* (size
>> 10)) / time
;
90 DRM_INFO("radeon: %s %u bo moves of %u kB from"
91 " %d to %d in %u ms, throughput: %u Mb/s or %u MB/s\n",
92 kind
, n
, size
>> 10, sdomain
, ddomain
, time
,
93 throughput
* 8, throughput
);
96 static void radeon_benchmark_move(struct radeon_device
*rdev
, unsigned size
,
97 unsigned sdomain
, unsigned ddomain
)
99 struct radeon_bo
*dobj
= NULL
;
100 struct radeon_bo
*sobj
= NULL
;
101 uint64_t saddr
, daddr
;
105 n
= RADEON_BENCHMARK_ITERATIONS
;
106 r
= radeon_bo_create(rdev
, size
, PAGE_SIZE
, true, sdomain
, NULL
, &sobj
);
110 r
= radeon_bo_reserve(sobj
, false);
111 if (unlikely(r
!= 0))
113 r
= radeon_bo_pin(sobj
, sdomain
, &saddr
);
114 radeon_bo_unreserve(sobj
);
118 r
= radeon_bo_create(rdev
, size
, PAGE_SIZE
, true, ddomain
, NULL
, &dobj
);
122 r
= radeon_bo_reserve(dobj
, false);
123 if (unlikely(r
!= 0))
125 r
= radeon_bo_pin(dobj
, ddomain
, &daddr
);
126 radeon_bo_unreserve(dobj
);
131 /* r100 doesn't have dma engine so skip the test */
132 /* also, VRAM-to-VRAM test doesn't make much sense for DMA */
133 /* skip it as well if domains are the same */
134 if ((rdev
->asic
->copy
.dma
) && (sdomain
!= ddomain
)) {
135 time
= radeon_benchmark_do_move(rdev
, size
, saddr
, daddr
,
136 RADEON_BENCHMARK_COPY_DMA
, n
);
140 radeon_benchmark_log_results(n
, size
, time
,
141 sdomain
, ddomain
, "dma");
144 time
= radeon_benchmark_do_move(rdev
, size
, saddr
, daddr
,
145 RADEON_BENCHMARK_COPY_BLIT
, n
);
149 radeon_benchmark_log_results(n
, size
, time
,
150 sdomain
, ddomain
, "blit");
154 r
= radeon_bo_reserve(sobj
, false);
155 if (likely(r
== 0)) {
156 radeon_bo_unpin(sobj
);
157 radeon_bo_unreserve(sobj
);
159 radeon_bo_unref(&sobj
);
162 r
= radeon_bo_reserve(dobj
, false);
163 if (likely(r
== 0)) {
164 radeon_bo_unpin(dobj
);
165 radeon_bo_unreserve(dobj
);
167 radeon_bo_unref(&dobj
);
171 DRM_ERROR("Error while benchmarking BO move.\n");
175 void radeon_benchmark(struct radeon_device
*rdev
, int test_number
)
178 int common_modes
[RADEON_BENCHMARK_COMMON_MODES_N
] = {
198 switch (test_number
) {
200 /* simple test, VRAM to GTT and GTT to VRAM */
201 radeon_benchmark_move(rdev
, 1024*1024, RADEON_GEM_DOMAIN_GTT
,
202 RADEON_GEM_DOMAIN_VRAM
);
203 radeon_benchmark_move(rdev
, 1024*1024, RADEON_GEM_DOMAIN_VRAM
,
204 RADEON_GEM_DOMAIN_GTT
);
207 /* simple test, VRAM to VRAM */
208 radeon_benchmark_move(rdev
, 1024*1024, RADEON_GEM_DOMAIN_VRAM
,
209 RADEON_GEM_DOMAIN_VRAM
);
212 /* GTT to VRAM, 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_GTT
,
216 RADEON_GEM_DOMAIN_VRAM
);
219 /* VRAM to GTT, 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_GTT
);
226 /* VRAM to VRAM, buffer size sweep, powers of 2 */
227 for (i
= 1; i
<= 16384; i
<<= 1)
228 radeon_benchmark_move(rdev
, i
* RADEON_GPU_PAGE_SIZE
,
229 RADEON_GEM_DOMAIN_VRAM
,
230 RADEON_GEM_DOMAIN_VRAM
);
233 /* GTT to VRAM, 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_GTT
,
237 RADEON_GEM_DOMAIN_VRAM
);
240 /* VRAM to GTT, 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_GTT
);
247 /* VRAM to VRAM, buffer size sweep, common modes */
248 for (i
= 0; i
< RADEON_BENCHMARK_COMMON_MODES_N
; i
++)
249 radeon_benchmark_move(rdev
, common_modes
[i
],
250 RADEON_GEM_DOMAIN_VRAM
,
251 RADEON_GEM_DOMAIN_VRAM
);
255 DRM_ERROR("Unknown benchmark\n");