+++ /dev/null
-// 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);
-}
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