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authorChristian König <christian.koenig@amd.com>2014-09-04 20:01:53 +0200
committerAlex Deucher <alexander.deucher@amd.com>2014-09-11 10:46:01 -0400
commit57d20a43c9b30663bdbacde8294a902edef35a84 (patch)
tree1a2ab2ad48988611c498f8e8c202a6a90b1598da /drivers/gpu/drm/radeon/radeon_ttm.c
parentae9c0af2c0ea92e57013ab2dd7271ba7d6b2a833 (diff)
drm/radeon: add the infrastructure for concurrent buffer access
This allows us to specify if we want to sync to the shared fences of a reservation object or not. Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_ttm.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_ttm.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 62d1f4d730a2..eca2ce60d440 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -233,6 +233,7 @@ static int radeon_move_blit(struct ttm_buffer_object *bo,
struct radeon_device *rdev;
uint64_t old_start, new_start;
struct radeon_fence *fence;
+ unsigned num_pages;
int r, ridx;
rdev = radeon_get_rdev(bo->bdev);
@@ -269,12 +270,11 @@ static int radeon_move_blit(struct ttm_buffer_object *bo,
BUILD_BUG_ON((PAGE_SIZE % RADEON_GPU_PAGE_SIZE) != 0);
- /* sync other rings */
- fence = (struct radeon_fence *)reservation_object_get_excl(bo->resv);
- r = radeon_copy(rdev, old_start, new_start,
- new_mem->num_pages * (PAGE_SIZE / RADEON_GPU_PAGE_SIZE), /* GPU pages */
- &fence);
- /* FIXME: handle copy error */
+ num_pages = new_mem->num_pages * (PAGE_SIZE / RADEON_GPU_PAGE_SIZE);
+ fence = radeon_copy(rdev, old_start, new_start, num_pages, bo->resv);
+ if (IS_ERR(fence))
+ return PTR_ERR(fence);
+
r = ttm_bo_move_accel_cleanup(bo, &fence->base,
evict, no_wait_gpu, new_mem);
radeon_fence_unref(&fence);