forked from mirrors/linux
bb812f1ea8
Instead of calling gart address space on every bo pin, allocates it on demand v2: fix error handling v3: drop the change on amdgpu_amdkfd_gpuvm.c, not needed. Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com> Acked-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
244 lines
6.6 KiB
C
244 lines
6.6 KiB
C
/*
|
|
* Copyright 2009 Jerome Glisse.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
* Authors: Jerome Glisse
|
|
*/
|
|
#include <drm/drmP.h>
|
|
#include <drm/amdgpu_drm.h>
|
|
#include "amdgpu.h"
|
|
|
|
#define AMDGPU_BENCHMARK_ITERATIONS 1024
|
|
#define AMDGPU_BENCHMARK_COMMON_MODES_N 17
|
|
|
|
static int amdgpu_benchmark_do_move(struct amdgpu_device *adev, unsigned size,
|
|
uint64_t saddr, uint64_t daddr, int n)
|
|
{
|
|
unsigned long start_jiffies;
|
|
unsigned long end_jiffies;
|
|
struct dma_fence *fence = NULL;
|
|
int i, r;
|
|
|
|
start_jiffies = jiffies;
|
|
for (i = 0; i < n; i++) {
|
|
struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
|
|
r = amdgpu_copy_buffer(ring, saddr, daddr, size, NULL, &fence,
|
|
false, false);
|
|
if (r)
|
|
goto exit_do_move;
|
|
r = dma_fence_wait(fence, false);
|
|
if (r)
|
|
goto exit_do_move;
|
|
dma_fence_put(fence);
|
|
}
|
|
end_jiffies = jiffies;
|
|
r = jiffies_to_msecs(end_jiffies - start_jiffies);
|
|
|
|
exit_do_move:
|
|
if (fence)
|
|
dma_fence_put(fence);
|
|
return r;
|
|
}
|
|
|
|
|
|
static void amdgpu_benchmark_log_results(int n, unsigned size,
|
|
unsigned int time,
|
|
unsigned sdomain, unsigned ddomain,
|
|
char *kind)
|
|
{
|
|
unsigned int throughput = (n * (size >> 10)) / time;
|
|
DRM_INFO("amdgpu: %s %u bo moves of %u kB from"
|
|
" %d to %d in %u ms, throughput: %u Mb/s or %u MB/s\n",
|
|
kind, n, size >> 10, sdomain, ddomain, time,
|
|
throughput * 8, throughput);
|
|
}
|
|
|
|
static void amdgpu_benchmark_move(struct amdgpu_device *adev, unsigned size,
|
|
unsigned sdomain, unsigned ddomain)
|
|
{
|
|
struct amdgpu_bo *dobj = NULL;
|
|
struct amdgpu_bo *sobj = NULL;
|
|
struct amdgpu_bo_param bp;
|
|
uint64_t saddr, daddr;
|
|
int r, n;
|
|
int time;
|
|
|
|
memset(&bp, 0, sizeof(bp));
|
|
bp.size = size;
|
|
bp.byte_align = PAGE_SIZE;
|
|
bp.domain = sdomain;
|
|
bp.flags = 0;
|
|
bp.type = ttm_bo_type_kernel;
|
|
bp.resv = NULL;
|
|
n = AMDGPU_BENCHMARK_ITERATIONS;
|
|
r = amdgpu_bo_create(adev, &bp, &sobj);
|
|
if (r) {
|
|
goto out_cleanup;
|
|
}
|
|
r = amdgpu_bo_reserve(sobj, false);
|
|
if (unlikely(r != 0))
|
|
goto out_cleanup;
|
|
r = amdgpu_bo_pin(sobj, sdomain);
|
|
if (r) {
|
|
amdgpu_bo_unreserve(sobj);
|
|
goto out_cleanup;
|
|
}
|
|
r = amdgpu_ttm_alloc_gart(&sobj->tbo);
|
|
amdgpu_bo_unreserve(sobj);
|
|
if (r) {
|
|
goto out_cleanup;
|
|
}
|
|
saddr = amdgpu_bo_gpu_offset(sobj);
|
|
bp.domain = ddomain;
|
|
r = amdgpu_bo_create(adev, &bp, &dobj);
|
|
if (r) {
|
|
goto out_cleanup;
|
|
}
|
|
r = amdgpu_bo_reserve(dobj, false);
|
|
if (unlikely(r != 0))
|
|
goto out_cleanup;
|
|
r = amdgpu_bo_pin(dobj, ddomain);
|
|
if (r) {
|
|
amdgpu_bo_unreserve(sobj);
|
|
goto out_cleanup;
|
|
}
|
|
r = amdgpu_ttm_alloc_gart(&dobj->tbo);
|
|
amdgpu_bo_unreserve(dobj);
|
|
if (r) {
|
|
goto out_cleanup;
|
|
}
|
|
daddr = amdgpu_bo_gpu_offset(dobj);
|
|
|
|
if (adev->mman.buffer_funcs) {
|
|
time = amdgpu_benchmark_do_move(adev, size, saddr, daddr, n);
|
|
if (time < 0)
|
|
goto out_cleanup;
|
|
if (time > 0)
|
|
amdgpu_benchmark_log_results(n, size, time,
|
|
sdomain, ddomain, "dma");
|
|
}
|
|
|
|
out_cleanup:
|
|
/* Check error value now. The value can be overwritten when clean up.*/
|
|
if (r) {
|
|
DRM_ERROR("Error while benchmarking BO move.\n");
|
|
}
|
|
|
|
if (sobj) {
|
|
r = amdgpu_bo_reserve(sobj, true);
|
|
if (likely(r == 0)) {
|
|
amdgpu_bo_unpin(sobj);
|
|
amdgpu_bo_unreserve(sobj);
|
|
}
|
|
amdgpu_bo_unref(&sobj);
|
|
}
|
|
if (dobj) {
|
|
r = amdgpu_bo_reserve(dobj, true);
|
|
if (likely(r == 0)) {
|
|
amdgpu_bo_unpin(dobj);
|
|
amdgpu_bo_unreserve(dobj);
|
|
}
|
|
amdgpu_bo_unref(&dobj);
|
|
}
|
|
}
|
|
|
|
void amdgpu_benchmark(struct amdgpu_device *adev, int test_number)
|
|
{
|
|
int i;
|
|
static const int common_modes[AMDGPU_BENCHMARK_COMMON_MODES_N] = {
|
|
640 * 480 * 4,
|
|
720 * 480 * 4,
|
|
800 * 600 * 4,
|
|
848 * 480 * 4,
|
|
1024 * 768 * 4,
|
|
1152 * 768 * 4,
|
|
1280 * 720 * 4,
|
|
1280 * 800 * 4,
|
|
1280 * 854 * 4,
|
|
1280 * 960 * 4,
|
|
1280 * 1024 * 4,
|
|
1440 * 900 * 4,
|
|
1400 * 1050 * 4,
|
|
1680 * 1050 * 4,
|
|
1600 * 1200 * 4,
|
|
1920 * 1080 * 4,
|
|
1920 * 1200 * 4
|
|
};
|
|
|
|
switch (test_number) {
|
|
case 1:
|
|
/* simple test, VRAM to GTT and GTT to VRAM */
|
|
amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_GTT,
|
|
AMDGPU_GEM_DOMAIN_VRAM);
|
|
amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM,
|
|
AMDGPU_GEM_DOMAIN_GTT);
|
|
break;
|
|
case 2:
|
|
/* simple test, VRAM to VRAM */
|
|
amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM,
|
|
AMDGPU_GEM_DOMAIN_VRAM);
|
|
break;
|
|
case 3:
|
|
/* GTT to VRAM, buffer size sweep, powers of 2 */
|
|
for (i = 1; i <= 16384; i <<= 1)
|
|
amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
|
|
AMDGPU_GEM_DOMAIN_GTT,
|
|
AMDGPU_GEM_DOMAIN_VRAM);
|
|
break;
|
|
case 4:
|
|
/* VRAM to GTT, buffer size sweep, powers of 2 */
|
|
for (i = 1; i <= 16384; i <<= 1)
|
|
amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
|
|
AMDGPU_GEM_DOMAIN_VRAM,
|
|
AMDGPU_GEM_DOMAIN_GTT);
|
|
break;
|
|
case 5:
|
|
/* VRAM to VRAM, buffer size sweep, powers of 2 */
|
|
for (i = 1; i <= 16384; i <<= 1)
|
|
amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
|
|
AMDGPU_GEM_DOMAIN_VRAM,
|
|
AMDGPU_GEM_DOMAIN_VRAM);
|
|
break;
|
|
case 6:
|
|
/* GTT to VRAM, buffer size sweep, common modes */
|
|
for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++)
|
|
amdgpu_benchmark_move(adev, common_modes[i],
|
|
AMDGPU_GEM_DOMAIN_GTT,
|
|
AMDGPU_GEM_DOMAIN_VRAM);
|
|
break;
|
|
case 7:
|
|
/* VRAM to GTT, buffer size sweep, common modes */
|
|
for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++)
|
|
amdgpu_benchmark_move(adev, common_modes[i],
|
|
AMDGPU_GEM_DOMAIN_VRAM,
|
|
AMDGPU_GEM_DOMAIN_GTT);
|
|
break;
|
|
case 8:
|
|
/* VRAM to VRAM, buffer size sweep, common modes */
|
|
for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++)
|
|
amdgpu_benchmark_move(adev, common_modes[i],
|
|
AMDGPU_GEM_DOMAIN_VRAM,
|
|
AMDGPU_GEM_DOMAIN_VRAM);
|
|
break;
|
|
|
|
default:
|
|
DRM_ERROR("Unknown benchmark\n");
|
|
}
|
|
}
|