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Release 4.11 drivers/gpu/drm/amd/amdgpu/amdgpu_test.c

/*
 * 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/drmP.h>
#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; uint64_t gtt_addr, vram_addr; unsigned n, size; int i, r; size = 1024 * 1024; /* Number of tests = * (Total GTT - IB pool - writeback page - ring buffers) / test size */ n = adev->mc.gtt_size - AMDGPU_IB_POOL_SIZE*64*1024; for (i = 0; i < AMDGPU_MAX_RINGS; ++i) if (adev->rings[i]) n -= adev->rings[i]->ring_size; if (adev->wb.wb_obj) n -= AMDGPU_GPU_PAGE_SIZE; if (adev->irq.ih.ring_obj) n -= adev->irq.ih.ring_size; n /= size; gtt_obj = kzalloc(n * sizeof(*gtt_obj), GFP_KERNEL); if (!gtt_obj) { DRM_ERROR("Failed to allocate %d pointers\n", n); r = 1; goto out_cleanup; } r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, 0, NULL, NULL, &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, &vram_addr); if (r) { DRM_ERROR("Failed to pin VRAM object\n"); goto out_unres; } for (i = 0; i < n; i++) { void *gtt_map, *vram_map; void **gtt_start, **gtt_end; void **vram_start, **vram_end; struct dma_fence *fence = NULL; r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL, 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, &gtt_addr); if (r) { DRM_ERROR("Failed to pin GTT object %d\n", i); goto out_lclean_unres; } r = amdgpu_bo_kmap(gtt_obj[i], &gtt_map); if (r) { DRM_ERROR("Failed to map GTT object %d\n", i); goto out_lclean_unpin; } for (gtt_start = gtt_map, gtt_end = gtt_map + size; gtt_start < gtt_end; gtt_start++) *gtt_start = gtt_start; amdgpu_bo_kunmap(gtt_obj[i]); r = amdgpu_copy_buffer(ring, gtt_addr, vram_addr, size, NULL, &fence, 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); 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 (gtt_start = gtt_map, gtt_end = gtt_map + size, vram_start = vram_map, vram_end = vram_map + size; vram_start < vram_end; gtt_start++, vram_start++) { if (*vram_start != gtt_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, gtt_start, (unsigned long long) (gtt_addr - adev->mc.gtt_start + (void*)gtt_start - gtt_map), (unsigned long long) (vram_addr - adev->mc.vram_start + (void*)gtt_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, gtt_addr, size, NULL, &fence, 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); r = amdgpu_bo_kmap(gtt_obj[i], &gtt_map); if (r) { DRM_ERROR("Failed to map GTT object after copy %d\n", i); goto out_lclean_unpin; } for (gtt_start = gtt_map, gtt_end = gtt_map + size, vram_start = vram_map, vram_end = vram_map + size; gtt_start < gtt_end; gtt_start++, vram_start++) { if (*gtt_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, *gtt_start, vram_start, (unsigned long long) (vram_addr - adev->mc.vram_start + (void*)vram_start - vram_map), (unsigned long long) (gtt_addr - adev->mc.gtt_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", gtt_addr - adev->mc.gtt_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(&gtt_obj[i]); out_lclean: for (--i; i >= 0; --i) { amdgpu_bo_unpin(gtt_obj[i]); amdgpu_bo_unreserve(gtt_obj[i]); amdgpu_bo_unref(&gtt_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) { printk(KERN_WARNING "Error while testing BO move.\n"); } }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher101898.64%125.00%
Chris Wilson60.58%125.00%
Christian König40.39%125.00%
Chunming Zhou40.39%125.00%
Total1032100.00%4100.00%


void amdgpu_test_moves(struct amdgpu_device *adev) { if (adev->mman.buffer_funcs) amdgpu_do_test_moves(adev); }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher23100.00%1100.00%
Total23100.00%1100.00%


void amdgpu_test_ring_sync(struct amdgpu_device *adev, struct amdgpu_ring *ringA, struct amdgpu_ring *ringB) { }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher1368.42%150.00%
Chunming Zhou631.58%150.00%
Total19100.00%2100.00%


static void amdgpu_test_ring_sync2(struct amdgpu_device *adev, struct amdgpu_ring *ringA, struct amdgpu_ring *ringB, struct amdgpu_ring *ringC) { }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher1976.00%150.00%
Chunming Zhou624.00%150.00%
Total25100.00%2100.00%


static bool amdgpu_test_sync_possible(struct amdgpu_ring *ringA, struct amdgpu_ring *ringB) { if (ringA == &ringA->adev->vce.ring[0] && ringB == &ringB->adev->vce.ring[1]) return false; return true; }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher52100.00%1100.00%
Total52100.00%1100.00%


void amdgpu_test_syncing(struct amdgpu_device *adev) { int i, j, k; for (i = 1; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ringA = adev->rings[i]; if (!ringA || !ringA->ready) continue; for (j = 0; j < i; ++j) { struct amdgpu_ring *ringB = adev->rings[j]; if (!ringB || !ringB->ready) continue; if (!amdgpu_test_sync_possible(ringA, ringB)) continue; DRM_INFO("Testing syncing between rings %d and %d...\n", i, j); amdgpu_test_ring_sync(adev, ringA, ringB); DRM_INFO("Testing syncing between rings %d and %d...\n", j, i); amdgpu_test_ring_sync(adev, ringB, ringA); for (k = 0; k < j; ++k) { struct amdgpu_ring *ringC = adev->rings[k]; if (!ringC || !ringC->ready) continue; if (!amdgpu_test_sync_possible(ringA, ringC)) continue; if (!amdgpu_test_sync_possible(ringB, ringC)) continue; DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i, j, k); amdgpu_test_ring_sync2(adev, ringA, ringB, ringC); DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i, k, j); amdgpu_test_ring_sync2(adev, ringA, ringC, ringB); DRM_INFO("Testing syncing between rings %d, %d and %d...\n", j, i, k); amdgpu_test_ring_sync2(adev, ringB, ringA, ringC); DRM_INFO("Testing syncing between rings %d, %d and %d...\n", j, k, i); amdgpu_test_ring_sync2(adev, ringB, ringC, ringA); DRM_INFO("Testing syncing between rings %d, %d and %d...\n", k, i, j); amdgpu_test_ring_sync2(adev, ringC, ringA, ringB); DRM_INFO("Testing syncing between rings %d, %d and %d...\n", k, j, i); amdgpu_test_ring_sync2(adev, ringC, ringB, ringA); } } } }

Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher332100.00%1100.00%
Total332100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Alex Deucher147498.27%120.00%
Chunming Zhou161.07%240.00%
Chris Wilson60.40%120.00%
Christian König40.27%120.00%
Total1500100.00%5100.00%
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