aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon/cik_sdma.c
diff options
context:
space:
mode:
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/cik_sdma.c
parentdrm/ttm: allow fence to be added as shared (diff)
downloadlinux-dev-57d20a43c9b30663bdbacde8294a902edef35a84.tar.xz
linux-dev-57d20a43c9b30663bdbacde8294a902edef35a84.zip
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/cik_sdma.c')
-rw-r--r--drivers/gpu/drm/radeon/cik_sdma.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c
index 192278bc993c..c01a6100c318 100644
--- a/drivers/gpu/drm/radeon/cik_sdma.c
+++ b/drivers/gpu/drm/radeon/cik_sdma.c
@@ -537,18 +537,19 @@ void cik_sdma_fini(struct radeon_device *rdev)
* @src_offset: src GPU address
* @dst_offset: dst GPU address
* @num_gpu_pages: number of GPU pages to xfer
- * @fence: radeon fence object
+ * @resv: reservation object to sync to
*
* Copy GPU paging using the DMA engine (CIK).
* Used by the radeon ttm implementation to move pages if
* registered as the asic copy callback.
*/
-int cik_copy_dma(struct radeon_device *rdev,
- uint64_t src_offset, uint64_t dst_offset,
- unsigned num_gpu_pages,
- struct radeon_fence **fence)
+struct radeon_fence *cik_copy_dma(struct radeon_device *rdev,
+ uint64_t src_offset, uint64_t dst_offset,
+ unsigned num_gpu_pages,
+ struct reservation_object *resv)
{
struct radeon_semaphore *sem = NULL;
+ struct radeon_fence *fence;
int ring_index = rdev->asic->copy.dma_ring_index;
struct radeon_ring *ring = &rdev->ring[ring_index];
u32 size_in_bytes, cur_size_in_bytes;
@@ -558,7 +559,7 @@ int cik_copy_dma(struct radeon_device *rdev,
r = radeon_semaphore_create(rdev, &sem);
if (r) {
DRM_ERROR("radeon: moving bo (%d).\n", r);
- return r;
+ return ERR_PTR(r);
}
size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT);
@@ -567,10 +568,10 @@ int cik_copy_dma(struct radeon_device *rdev,
if (r) {
DRM_ERROR("radeon: moving bo (%d).\n", r);
radeon_semaphore_free(rdev, &sem, NULL);
- return r;
+ return ERR_PTR(r);
}
- radeon_semaphore_sync_to(sem, *fence);
+ radeon_semaphore_sync_resv(sem, resv, false);
radeon_semaphore_sync_rings(rdev, sem, ring->idx);
for (i = 0; i < num_loops; i++) {
@@ -589,17 +590,17 @@ int cik_copy_dma(struct radeon_device *rdev,
dst_offset += cur_size_in_bytes;
}
- r = radeon_fence_emit(rdev, fence, ring->idx);
+ r = radeon_fence_emit(rdev, &fence, ring->idx);
if (r) {
radeon_ring_unlock_undo(rdev, ring);
radeon_semaphore_free(rdev, &sem, NULL);
- return r;
+ return ERR_PTR(r);
}
radeon_ring_unlock_commit(rdev, ring, false);
- radeon_semaphore_free(rdev, &sem, *fence);
+ radeon_semaphore_free(rdev, &sem, fence);
- return r;
+ return fence;
}
/**