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 void radeon_benchmark_move(struct radeon_device
*rdev
, unsigned bsize
,
30 unsigned sdomain
, unsigned ddomain
)
32 struct radeon_bo
*dobj
= NULL
;
33 struct radeon_bo
*sobj
= NULL
;
34 struct radeon_fence
*fence
= NULL
;
35 uint64_t saddr
, daddr
;
36 unsigned long start_jiffies
;
37 unsigned long end_jiffies
;
44 r
= radeon_bo_create(rdev
, size
, PAGE_SIZE
, true, sdomain
, &sobj
);
48 r
= radeon_bo_reserve(sobj
, false);
51 r
= radeon_bo_pin(sobj
, sdomain
, &saddr
);
52 radeon_bo_unreserve(sobj
);
56 r
= radeon_bo_create(rdev
, size
, PAGE_SIZE
, true, ddomain
, &dobj
);
60 r
= radeon_bo_reserve(dobj
, false);
63 r
= radeon_bo_pin(dobj
, ddomain
, &daddr
);
64 radeon_bo_unreserve(dobj
);
69 /* r100 doesn't have dma engine so skip the test */
70 if (rdev
->asic
->copy_dma
) {
72 start_jiffies
= jiffies
;
73 for (i
= 0; i
< n
; i
++) {
74 r
= radeon_fence_create(rdev
, &fence
);
79 r
= radeon_copy_dma(rdev
, saddr
, daddr
,
80 size
/ RADEON_GPU_PAGE_SIZE
, fence
);
85 r
= radeon_fence_wait(fence
, false);
89 radeon_fence_unref(&fence
);
91 end_jiffies
= jiffies
;
92 time
= end_jiffies
- start_jiffies
;
93 time
= jiffies_to_msecs(time
);
95 i
= ((n
* size
) >> 10) / time
;
96 printk(KERN_INFO
"radeon: dma %u bo moves of %ukb from"
97 " %d to %d in %lums (%ukb/ms %ukb/s %uM/s)\n",
99 sdomain
, ddomain
, time
,
100 i
, i
* 1000, (i
* 1000) / 1024);
104 start_jiffies
= jiffies
;
105 for (i
= 0; i
< n
; i
++) {
106 r
= radeon_fence_create(rdev
, &fence
);
110 r
= radeon_copy_blit(rdev
, saddr
, daddr
, size
/ RADEON_GPU_PAGE_SIZE
, fence
);
114 r
= radeon_fence_wait(fence
, false);
118 radeon_fence_unref(&fence
);
120 end_jiffies
= jiffies
;
121 time
= end_jiffies
- start_jiffies
;
122 time
= jiffies_to_msecs(time
);
124 i
= ((n
* size
) >> 10) / time
;
125 printk(KERN_INFO
"radeon: blit %u bo moves of %ukb from %d to %d"
126 " in %lums (%ukb/ms %ukb/s %uM/s)\n", n
, size
>> 10,
127 sdomain
, ddomain
, time
, i
, i
* 1000, (i
* 1000) / 1024);
131 r
= radeon_bo_reserve(sobj
, false);
132 if (likely(r
== 0)) {
133 radeon_bo_unpin(sobj
);
134 radeon_bo_unreserve(sobj
);
136 radeon_bo_unref(&sobj
);
139 r
= radeon_bo_reserve(dobj
, false);
140 if (likely(r
== 0)) {
141 radeon_bo_unpin(dobj
);
142 radeon_bo_unreserve(dobj
);
144 radeon_bo_unref(&dobj
);
147 radeon_fence_unref(&fence
);
150 printk(KERN_WARNING
"Error while benchmarking BO move.\n");
154 void radeon_benchmark(struct radeon_device
*rdev
)
156 radeon_benchmark_move(rdev
, 1024*1024, RADEON_GEM_DOMAIN_GTT
,
157 RADEON_GEM_DOMAIN_VRAM
);
158 radeon_benchmark_move(rdev
, 1024*1024, RADEON_GEM_DOMAIN_VRAM
,
159 RADEON_GEM_DOMAIN_GTT
);