251 lines
6.9 KiB
C
251 lines
6.9 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR MIT
|
|
/*
|
|
* Copyright 2009 VMware, Inc.
|
|
*
|
|
* 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: Michel Dänzer
|
|
*/
|
|
|
|
#include <drm/amdgpu_drm.h>
|
|
#include "amdgpu.h"
|
|
#include "amdgpu_uvd.h"
|
|
#include "amdgpu_vce.h"
|
|
|
|
/* Test BO GTT->VRAM and VRAM->GTT GPU copies across the whole GTT aperture */
|
|
static void amdgpu_do_test_moves(struct amdgpu_device *adev)
|
|
{
|
|
struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
|
|
struct amdgpu_bo *vram_obj = NULL;
|
|
struct amdgpu_bo **gtt_obj = NULL;
|
|
struct amdgpu_bo_param bp;
|
|
uint64_t gart_addr, vram_addr;
|
|
unsigned n, size;
|
|
int i, r;
|
|
|
|
size = 1024 * 1024;
|
|
|
|
/* Number of tests =
|
|
* (Total GTT - gart_pin_size - (2 transfer windows for buffer moves)) / test size
|
|
*/
|
|
n = adev->gmc.gart_size - atomic64_read(&adev->gart_pin_size);
|
|
n -= AMDGPU_GTT_MAX_TRANSFER_SIZE * AMDGPU_GTT_NUM_TRANSFER_WINDOWS *
|
|
AMDGPU_GPU_PAGE_SIZE;
|
|
n /= size;
|
|
|
|
gtt_obj = kcalloc(n, sizeof(*gtt_obj), GFP_KERNEL);
|
|
if (!gtt_obj) {
|
|
DRM_ERROR("Failed to allocate %d pointers\n", n);
|
|
r = 1;
|
|
goto out_cleanup;
|
|
}
|
|
memset(&bp, 0, sizeof(bp));
|
|
bp.size = size;
|
|
bp.byte_align = PAGE_SIZE;
|
|
bp.domain = AMDGPU_GEM_DOMAIN_VRAM;
|
|
bp.flags = 0;
|
|
bp.type = ttm_bo_type_kernel;
|
|
bp.resv = NULL;
|
|
bp.bo_ptr_size = sizeof(struct amdgpu_bo);
|
|
|
|
r = amdgpu_bo_create(adev, &bp, &vram_obj);
|
|
if (r) {
|
|
DRM_ERROR("Failed to create VRAM object\n");
|
|
goto out_cleanup;
|
|
}
|
|
r = amdgpu_bo_reserve(vram_obj, false);
|
|
if (unlikely(r != 0))
|
|
goto out_unref;
|
|
r = amdgpu_bo_pin(vram_obj, AMDGPU_GEM_DOMAIN_VRAM);
|
|
if (r) {
|
|
DRM_ERROR("Failed to pin VRAM object\n");
|
|
goto out_unres;
|
|
}
|
|
vram_addr = amdgpu_bo_gpu_offset(vram_obj);
|
|
for (i = 0; i < n; i++) {
|
|
void *gtt_map, *vram_map;
|
|
void **gart_start, **gart_end;
|
|
void **vram_start, **vram_end;
|
|
struct dma_fence *fence = NULL;
|
|
|
|
bp.domain = AMDGPU_GEM_DOMAIN_GTT;
|
|
r = amdgpu_bo_create(adev, &bp, gtt_obj + i);
|
|
if (r) {
|
|
DRM_ERROR("Failed to create GTT object %d\n", i);
|
|
goto out_lclean;
|
|
}
|
|
|
|
r = amdgpu_bo_reserve(gtt_obj[i], false);
|
|
if (unlikely(r != 0))
|
|
goto out_lclean_unref;
|
|
r = amdgpu_bo_pin(gtt_obj[i], AMDGPU_GEM_DOMAIN_GTT);
|
|
if (r) {
|
|
DRM_ERROR("Failed to pin GTT object %d\n", i);
|
|
goto out_lclean_unres;
|
|
}
|
|
r = amdgpu_ttm_alloc_gart(>t_obj[i]->tbo);
|
|
if (r) {
|
|
DRM_ERROR("%p bind failed\n", gtt_obj[i]);
|
|
goto out_lclean_unpin;
|
|
}
|
|
gart_addr = amdgpu_bo_gpu_offset(gtt_obj[i]);
|
|
|
|
r = amdgpu_bo_kmap(gtt_obj[i], >t_map);
|
|
if (r) {
|
|
DRM_ERROR("Failed to map GTT object %d\n", i);
|
|
goto out_lclean_unpin;
|
|
}
|
|
|
|
for (gart_start = gtt_map, gart_end = gtt_map + size;
|
|
gart_start < gart_end;
|
|
gart_start++)
|
|
*gart_start = gart_start;
|
|
|
|
amdgpu_bo_kunmap(gtt_obj[i]);
|
|
|
|
r = amdgpu_copy_buffer(ring, gart_addr, vram_addr,
|
|
size, NULL, &fence, false, false, false);
|
|
|
|
if (r) {
|
|
DRM_ERROR("Failed GTT->VRAM copy %d\n", i);
|
|
goto out_lclean_unpin;
|
|
}
|
|
|
|
r = dma_fence_wait(fence, false);
|
|
if (r) {
|
|
DRM_ERROR("Failed to wait for GTT->VRAM fence %d\n", i);
|
|
goto out_lclean_unpin;
|
|
}
|
|
|
|
dma_fence_put(fence);
|
|
fence = NULL;
|
|
|
|
r = amdgpu_bo_kmap(vram_obj, &vram_map);
|
|
if (r) {
|
|
DRM_ERROR("Failed to map VRAM object after copy %d\n", i);
|
|
goto out_lclean_unpin;
|
|
}
|
|
|
|
for (gart_start = gtt_map, gart_end = gtt_map + size,
|
|
vram_start = vram_map, vram_end = vram_map + size;
|
|
vram_start < vram_end;
|
|
gart_start++, vram_start++) {
|
|
if (*vram_start != gart_start) {
|
|
DRM_ERROR("Incorrect GTT->VRAM copy %d: Got 0x%p, "
|
|
"expected 0x%p (GTT/VRAM offset "
|
|
"0x%16llx/0x%16llx)\n",
|
|
i, *vram_start, gart_start,
|
|
(unsigned long long)
|
|
(gart_addr - adev->gmc.gart_start +
|
|
(void *)gart_start - gtt_map),
|
|
(unsigned long long)
|
|
(vram_addr - adev->gmc.vram_start +
|
|
(void *)gart_start - gtt_map));
|
|
amdgpu_bo_kunmap(vram_obj);
|
|
goto out_lclean_unpin;
|
|
}
|
|
*vram_start = vram_start;
|
|
}
|
|
|
|
amdgpu_bo_kunmap(vram_obj);
|
|
|
|
r = amdgpu_copy_buffer(ring, vram_addr, gart_addr,
|
|
size, NULL, &fence, false, false, false);
|
|
|
|
if (r) {
|
|
DRM_ERROR("Failed VRAM->GTT copy %d\n", i);
|
|
goto out_lclean_unpin;
|
|
}
|
|
|
|
r = dma_fence_wait(fence, false);
|
|
if (r) {
|
|
DRM_ERROR("Failed to wait for VRAM->GTT fence %d\n", i);
|
|
goto out_lclean_unpin;
|
|
}
|
|
|
|
dma_fence_put(fence);
|
|
fence = NULL;
|
|
|
|
r = amdgpu_bo_kmap(gtt_obj[i], >t_map);
|
|
if (r) {
|
|
DRM_ERROR("Failed to map GTT object after copy %d\n", i);
|
|
goto out_lclean_unpin;
|
|
}
|
|
|
|
for (gart_start = gtt_map, gart_end = gtt_map + size,
|
|
vram_start = vram_map, vram_end = vram_map + size;
|
|
gart_start < gart_end;
|
|
gart_start++, vram_start++) {
|
|
if (*gart_start != vram_start) {
|
|
DRM_ERROR("Incorrect VRAM->GTT copy %d: Got 0x%p, "
|
|
"expected 0x%p (VRAM/GTT offset "
|
|
"0x%16llx/0x%16llx)\n",
|
|
i, *gart_start, vram_start,
|
|
(unsigned long long)
|
|
(vram_addr - adev->gmc.vram_start +
|
|
(void *)vram_start - vram_map),
|
|
(unsigned long long)
|
|
(gart_addr - adev->gmc.gart_start +
|
|
(void *)vram_start - vram_map));
|
|
amdgpu_bo_kunmap(gtt_obj[i]);
|
|
goto out_lclean_unpin;
|
|
}
|
|
}
|
|
|
|
amdgpu_bo_kunmap(gtt_obj[i]);
|
|
|
|
DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n",
|
|
gart_addr - adev->gmc.gart_start);
|
|
continue;
|
|
|
|
out_lclean_unpin:
|
|
amdgpu_bo_unpin(gtt_obj[i]);
|
|
out_lclean_unres:
|
|
amdgpu_bo_unreserve(gtt_obj[i]);
|
|
out_lclean_unref:
|
|
amdgpu_bo_unref(>t_obj[i]);
|
|
out_lclean:
|
|
for (--i; i >= 0; --i) {
|
|
amdgpu_bo_unpin(gtt_obj[i]);
|
|
amdgpu_bo_unreserve(gtt_obj[i]);
|
|
amdgpu_bo_unref(>t_obj[i]);
|
|
}
|
|
if (fence)
|
|
dma_fence_put(fence);
|
|
break;
|
|
}
|
|
|
|
amdgpu_bo_unpin(vram_obj);
|
|
out_unres:
|
|
amdgpu_bo_unreserve(vram_obj);
|
|
out_unref:
|
|
amdgpu_bo_unref(&vram_obj);
|
|
out_cleanup:
|
|
kfree(gtt_obj);
|
|
if (r) {
|
|
pr_warn("Error while testing BO move\n");
|
|
}
|
|
}
|
|
|
|
void amdgpu_test_moves(struct amdgpu_device *adev)
|
|
{
|
|
if (adev->mman.buffer_funcs)
|
|
amdgpu_do_test_moves(adev);
|
|
}
|