mirror of https://gitee.com/openkylin/linux.git
506 lines
13 KiB
C
506 lines
13 KiB
C
/*
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* Copyright 2009 VMware, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Michel Dänzer
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*/
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#include <drm/drmP.h>
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#include <drm/radeon_drm.h>
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#include "radeon_reg.h"
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#include "radeon.h"
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#define RADEON_TEST_COPY_BLIT 1
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#define RADEON_TEST_COPY_DMA 0
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/* Test BO GTT->VRAM and VRAM->GTT GPU copies across the whole GTT aperture */
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static void radeon_do_test_moves(struct radeon_device *rdev, int flag)
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{
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struct radeon_bo *vram_obj = NULL;
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struct radeon_bo **gtt_obj = NULL;
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struct radeon_fence *fence = NULL;
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uint64_t gtt_addr, vram_addr;
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unsigned i, n, size;
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int r, ring;
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switch (flag) {
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case RADEON_TEST_COPY_DMA:
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ring = radeon_copy_dma_ring_index(rdev);
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break;
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case RADEON_TEST_COPY_BLIT:
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ring = radeon_copy_blit_ring_index(rdev);
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break;
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default:
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DRM_ERROR("Unknown copy method\n");
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return;
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}
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size = 1024 * 1024;
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/* Number of tests =
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* (Total GTT - IB pool - writeback page - ring buffers) / test size
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*/
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n = rdev->mc.gtt_size - RADEON_IB_POOL_SIZE*64*1024;
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for (i = 0; i < RADEON_NUM_RINGS; ++i)
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n -= rdev->ring[i].ring_size;
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if (rdev->wb.wb_obj)
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n -= RADEON_GPU_PAGE_SIZE;
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if (rdev->ih.ring_obj)
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n -= rdev->ih.ring_size;
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n /= size;
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gtt_obj = kzalloc(n * sizeof(*gtt_obj), GFP_KERNEL);
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if (!gtt_obj) {
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DRM_ERROR("Failed to allocate %d pointers\n", n);
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r = 1;
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goto out_cleanup;
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}
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r = radeon_bo_create(rdev, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
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NULL, &vram_obj);
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if (r) {
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DRM_ERROR("Failed to create VRAM object\n");
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goto out_cleanup;
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}
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r = radeon_bo_reserve(vram_obj, false);
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if (unlikely(r != 0))
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goto out_cleanup;
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r = radeon_bo_pin(vram_obj, RADEON_GEM_DOMAIN_VRAM, &vram_addr);
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if (r) {
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DRM_ERROR("Failed to pin VRAM object\n");
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goto out_cleanup;
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}
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for (i = 0; i < n; i++) {
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void *gtt_map, *vram_map;
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void **gtt_start, **gtt_end;
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void **vram_start, **vram_end;
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r = radeon_bo_create(rdev, size, PAGE_SIZE, true,
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RADEON_GEM_DOMAIN_GTT, NULL, gtt_obj + i);
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if (r) {
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DRM_ERROR("Failed to create GTT object %d\n", i);
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goto out_cleanup;
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}
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r = radeon_bo_reserve(gtt_obj[i], false);
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if (unlikely(r != 0))
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goto out_cleanup;
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r = radeon_bo_pin(gtt_obj[i], RADEON_GEM_DOMAIN_GTT, >t_addr);
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if (r) {
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DRM_ERROR("Failed to pin GTT object %d\n", i);
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goto out_cleanup;
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}
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r = radeon_bo_kmap(gtt_obj[i], >t_map);
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if (r) {
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DRM_ERROR("Failed to map GTT object %d\n", i);
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goto out_cleanup;
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}
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for (gtt_start = gtt_map, gtt_end = gtt_map + size;
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gtt_start < gtt_end;
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gtt_start++)
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*gtt_start = gtt_start;
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radeon_bo_kunmap(gtt_obj[i]);
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if (ring == R600_RING_TYPE_DMA_INDEX)
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r = radeon_copy_dma(rdev, gtt_addr, vram_addr, size / RADEON_GPU_PAGE_SIZE, &fence);
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else
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r = radeon_copy_blit(rdev, gtt_addr, vram_addr, size / RADEON_GPU_PAGE_SIZE, &fence);
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if (r) {
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DRM_ERROR("Failed GTT->VRAM copy %d\n", i);
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goto out_cleanup;
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}
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r = radeon_fence_wait(fence, false);
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if (r) {
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DRM_ERROR("Failed to wait for GTT->VRAM fence %d\n", i);
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goto out_cleanup;
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}
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radeon_fence_unref(&fence);
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r = radeon_bo_kmap(vram_obj, &vram_map);
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if (r) {
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DRM_ERROR("Failed to map VRAM object after copy %d\n", i);
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goto out_cleanup;
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}
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for (gtt_start = gtt_map, gtt_end = gtt_map + size,
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vram_start = vram_map, vram_end = vram_map + size;
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vram_start < vram_end;
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gtt_start++, vram_start++) {
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if (*vram_start != gtt_start) {
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DRM_ERROR("Incorrect GTT->VRAM copy %d: Got 0x%p, "
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"expected 0x%p (GTT/VRAM offset "
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"0x%16llx/0x%16llx)\n",
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i, *vram_start, gtt_start,
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(unsigned long long)
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(gtt_addr - rdev->mc.gtt_start +
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(void*)gtt_start - gtt_map),
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(unsigned long long)
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(vram_addr - rdev->mc.vram_start +
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(void*)gtt_start - gtt_map));
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radeon_bo_kunmap(vram_obj);
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goto out_cleanup;
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}
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*vram_start = vram_start;
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}
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radeon_bo_kunmap(vram_obj);
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if (ring == R600_RING_TYPE_DMA_INDEX)
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r = radeon_copy_dma(rdev, vram_addr, gtt_addr, size / RADEON_GPU_PAGE_SIZE, &fence);
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else
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r = radeon_copy_blit(rdev, vram_addr, gtt_addr, size / RADEON_GPU_PAGE_SIZE, &fence);
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if (r) {
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DRM_ERROR("Failed VRAM->GTT copy %d\n", i);
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goto out_cleanup;
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}
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r = radeon_fence_wait(fence, false);
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if (r) {
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DRM_ERROR("Failed to wait for VRAM->GTT fence %d\n", i);
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goto out_cleanup;
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}
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radeon_fence_unref(&fence);
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r = radeon_bo_kmap(gtt_obj[i], >t_map);
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if (r) {
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DRM_ERROR("Failed to map GTT object after copy %d\n", i);
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goto out_cleanup;
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}
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for (gtt_start = gtt_map, gtt_end = gtt_map + size,
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vram_start = vram_map, vram_end = vram_map + size;
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gtt_start < gtt_end;
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gtt_start++, vram_start++) {
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if (*gtt_start != vram_start) {
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DRM_ERROR("Incorrect VRAM->GTT copy %d: Got 0x%p, "
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"expected 0x%p (VRAM/GTT offset "
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"0x%16llx/0x%16llx)\n",
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i, *gtt_start, vram_start,
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(unsigned long long)
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(vram_addr - rdev->mc.vram_start +
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(void*)vram_start - vram_map),
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(unsigned long long)
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(gtt_addr - rdev->mc.gtt_start +
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(void*)vram_start - vram_map));
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radeon_bo_kunmap(gtt_obj[i]);
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goto out_cleanup;
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}
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}
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radeon_bo_kunmap(gtt_obj[i]);
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DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n",
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gtt_addr - rdev->mc.gtt_start);
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}
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out_cleanup:
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if (vram_obj) {
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if (radeon_bo_is_reserved(vram_obj)) {
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radeon_bo_unpin(vram_obj);
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radeon_bo_unreserve(vram_obj);
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}
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radeon_bo_unref(&vram_obj);
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}
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if (gtt_obj) {
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for (i = 0; i < n; i++) {
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if (gtt_obj[i]) {
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if (radeon_bo_is_reserved(gtt_obj[i])) {
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radeon_bo_unpin(gtt_obj[i]);
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radeon_bo_unreserve(gtt_obj[i]);
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}
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radeon_bo_unref(>t_obj[i]);
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}
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}
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kfree(gtt_obj);
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}
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if (fence) {
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radeon_fence_unref(&fence);
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}
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if (r) {
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printk(KERN_WARNING "Error while testing BO move.\n");
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}
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}
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void radeon_test_moves(struct radeon_device *rdev)
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{
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if (rdev->asic->copy.dma)
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radeon_do_test_moves(rdev, RADEON_TEST_COPY_DMA);
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if (rdev->asic->copy.blit)
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radeon_do_test_moves(rdev, RADEON_TEST_COPY_BLIT);
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}
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void radeon_test_ring_sync(struct radeon_device *rdev,
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struct radeon_ring *ringA,
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struct radeon_ring *ringB)
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{
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struct radeon_fence *fence1 = NULL, *fence2 = NULL;
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struct radeon_semaphore *semaphore = NULL;
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int r;
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r = radeon_semaphore_create(rdev, &semaphore);
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if (r) {
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DRM_ERROR("Failed to create semaphore\n");
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goto out_cleanup;
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}
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r = radeon_ring_lock(rdev, ringA, 64);
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if (r) {
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DRM_ERROR("Failed to lock ring A %d\n", ringA->idx);
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goto out_cleanup;
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}
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radeon_semaphore_emit_wait(rdev, ringA->idx, semaphore);
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r = radeon_fence_emit(rdev, &fence1, ringA->idx);
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if (r) {
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DRM_ERROR("Failed to emit fence 1\n");
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radeon_ring_unlock_undo(rdev, ringA);
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goto out_cleanup;
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}
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radeon_semaphore_emit_wait(rdev, ringA->idx, semaphore);
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r = radeon_fence_emit(rdev, &fence2, ringA->idx);
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if (r) {
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DRM_ERROR("Failed to emit fence 2\n");
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radeon_ring_unlock_undo(rdev, ringA);
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goto out_cleanup;
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}
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radeon_ring_unlock_commit(rdev, ringA);
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mdelay(1000);
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if (radeon_fence_signaled(fence1)) {
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DRM_ERROR("Fence 1 signaled without waiting for semaphore.\n");
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goto out_cleanup;
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}
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r = radeon_ring_lock(rdev, ringB, 64);
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if (r) {
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DRM_ERROR("Failed to lock ring B %p\n", ringB);
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goto out_cleanup;
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}
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radeon_semaphore_emit_signal(rdev, ringB->idx, semaphore);
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radeon_ring_unlock_commit(rdev, ringB);
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r = radeon_fence_wait(fence1, false);
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if (r) {
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DRM_ERROR("Failed to wait for sync fence 1\n");
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goto out_cleanup;
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}
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mdelay(1000);
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if (radeon_fence_signaled(fence2)) {
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DRM_ERROR("Fence 2 signaled without waiting for semaphore.\n");
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goto out_cleanup;
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}
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r = radeon_ring_lock(rdev, ringB, 64);
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if (r) {
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DRM_ERROR("Failed to lock ring B %p\n", ringB);
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goto out_cleanup;
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}
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radeon_semaphore_emit_signal(rdev, ringB->idx, semaphore);
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radeon_ring_unlock_commit(rdev, ringB);
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r = radeon_fence_wait(fence2, false);
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if (r) {
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DRM_ERROR("Failed to wait for sync fence 1\n");
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goto out_cleanup;
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}
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out_cleanup:
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radeon_semaphore_free(rdev, &semaphore, NULL);
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if (fence1)
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radeon_fence_unref(&fence1);
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if (fence2)
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radeon_fence_unref(&fence2);
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if (r)
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printk(KERN_WARNING "Error while testing ring sync (%d).\n", r);
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}
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static void radeon_test_ring_sync2(struct radeon_device *rdev,
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struct radeon_ring *ringA,
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struct radeon_ring *ringB,
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struct radeon_ring *ringC)
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{
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struct radeon_fence *fenceA = NULL, *fenceB = NULL;
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struct radeon_semaphore *semaphore = NULL;
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bool sigA, sigB;
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int i, r;
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r = radeon_semaphore_create(rdev, &semaphore);
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if (r) {
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DRM_ERROR("Failed to create semaphore\n");
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goto out_cleanup;
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}
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r = radeon_ring_lock(rdev, ringA, 64);
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if (r) {
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DRM_ERROR("Failed to lock ring A %d\n", ringA->idx);
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goto out_cleanup;
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}
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radeon_semaphore_emit_wait(rdev, ringA->idx, semaphore);
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r = radeon_fence_emit(rdev, &fenceA, ringA->idx);
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if (r) {
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DRM_ERROR("Failed to emit sync fence 1\n");
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radeon_ring_unlock_undo(rdev, ringA);
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goto out_cleanup;
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}
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radeon_ring_unlock_commit(rdev, ringA);
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r = radeon_ring_lock(rdev, ringB, 64);
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if (r) {
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DRM_ERROR("Failed to lock ring B %d\n", ringB->idx);
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goto out_cleanup;
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}
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radeon_semaphore_emit_wait(rdev, ringB->idx, semaphore);
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r = radeon_fence_emit(rdev, &fenceB, ringB->idx);
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if (r) {
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DRM_ERROR("Failed to create sync fence 2\n");
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radeon_ring_unlock_undo(rdev, ringB);
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goto out_cleanup;
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}
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radeon_ring_unlock_commit(rdev, ringB);
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mdelay(1000);
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if (radeon_fence_signaled(fenceA)) {
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DRM_ERROR("Fence A signaled without waiting for semaphore.\n");
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goto out_cleanup;
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}
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if (radeon_fence_signaled(fenceB)) {
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DRM_ERROR("Fence A signaled without waiting for semaphore.\n");
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goto out_cleanup;
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}
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r = radeon_ring_lock(rdev, ringC, 64);
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if (r) {
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DRM_ERROR("Failed to lock ring B %p\n", ringC);
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goto out_cleanup;
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}
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radeon_semaphore_emit_signal(rdev, ringC->idx, semaphore);
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radeon_ring_unlock_commit(rdev, ringC);
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for (i = 0; i < 30; ++i) {
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mdelay(100);
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sigA = radeon_fence_signaled(fenceA);
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sigB = radeon_fence_signaled(fenceB);
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if (sigA || sigB)
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break;
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}
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if (!sigA && !sigB) {
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DRM_ERROR("Neither fence A nor B has been signaled\n");
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goto out_cleanup;
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} else if (sigA && sigB) {
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DRM_ERROR("Both fence A and B has been signaled\n");
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goto out_cleanup;
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}
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DRM_INFO("Fence %c was first signaled\n", sigA ? 'A' : 'B');
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r = radeon_ring_lock(rdev, ringC, 64);
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if (r) {
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DRM_ERROR("Failed to lock ring B %p\n", ringC);
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goto out_cleanup;
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}
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radeon_semaphore_emit_signal(rdev, ringC->idx, semaphore);
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radeon_ring_unlock_commit(rdev, ringC);
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mdelay(1000);
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r = radeon_fence_wait(fenceA, false);
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if (r) {
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DRM_ERROR("Failed to wait for sync fence A\n");
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goto out_cleanup;
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}
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r = radeon_fence_wait(fenceB, false);
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if (r) {
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DRM_ERROR("Failed to wait for sync fence B\n");
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goto out_cleanup;
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}
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out_cleanup:
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radeon_semaphore_free(rdev, &semaphore, NULL);
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if (fenceA)
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radeon_fence_unref(&fenceA);
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if (fenceB)
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radeon_fence_unref(&fenceB);
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if (r)
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printk(KERN_WARNING "Error while testing ring sync (%d).\n", r);
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}
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void radeon_test_syncing(struct radeon_device *rdev)
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{
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int i, j, k;
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for (i = 1; i < RADEON_NUM_RINGS; ++i) {
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struct radeon_ring *ringA = &rdev->ring[i];
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if (!ringA->ready)
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continue;
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for (j = 0; j < i; ++j) {
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struct radeon_ring *ringB = &rdev->ring[j];
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if (!ringB->ready)
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continue;
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DRM_INFO("Testing syncing between rings %d and %d...\n", i, j);
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radeon_test_ring_sync(rdev, ringA, ringB);
|
|
|
|
DRM_INFO("Testing syncing between rings %d and %d...\n", j, i);
|
|
radeon_test_ring_sync(rdev, ringB, ringA);
|
|
|
|
for (k = 0; k < j; ++k) {
|
|
struct radeon_ring *ringC = &rdev->ring[k];
|
|
if (!ringC->ready)
|
|
continue;
|
|
|
|
DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i, j, k);
|
|
radeon_test_ring_sync2(rdev, ringA, ringB, ringC);
|
|
|
|
DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i, k, j);
|
|
radeon_test_ring_sync2(rdev, ringA, ringC, ringB);
|
|
|
|
DRM_INFO("Testing syncing between rings %d, %d and %d...\n", j, i, k);
|
|
radeon_test_ring_sync2(rdev, ringB, ringA, ringC);
|
|
|
|
DRM_INFO("Testing syncing between rings %d, %d and %d...\n", j, k, i);
|
|
radeon_test_ring_sync2(rdev, ringB, ringC, ringA);
|
|
|
|
DRM_INFO("Testing syncing between rings %d, %d and %d...\n", k, i, j);
|
|
radeon_test_ring_sync2(rdev, ringC, ringA, ringB);
|
|
|
|
DRM_INFO("Testing syncing between rings %d, %d and %d...\n", k, j, i);
|
|
radeon_test_ring_sync2(rdev, ringC, ringB, ringA);
|
|
}
|
|
}
|
|
}
|
|
}
|