diff options
author | Christian König <christian.koenig@amd.com> | 2014-09-04 20:01:53 +0200 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2014-09-11 10:46:01 -0400 |
commit | 57d20a43c9b30663bdbacde8294a902edef35a84 (patch) | |
tree | 1a2ab2ad48988611c498f8e8c202a6a90b1598da /drivers/gpu/drm/radeon/si_dma.c | |
parent | ae9c0af2c0ea92e57013ab2dd7271ba7d6b2a833 (diff) | |
download | linux-57d20a43c9b30663bdbacde8294a902edef35a84.tar.bz2 |
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/si_dma.c')
-rw-r--r-- | drivers/gpu/drm/radeon/si_dma.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/gpu/drm/radeon/si_dma.c b/drivers/gpu/drm/radeon/si_dma.c index 7c22baaf94db..9b0dfbc913f3 100644 --- a/drivers/gpu/drm/radeon/si_dma.c +++ b/drivers/gpu/drm/radeon/si_dma.c @@ -218,18 +218,19 @@ void si_dma_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm) * @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 (SI). * Used by the radeon ttm implementation to move pages if * registered as the asic copy callback. */ -int si_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 *si_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; @@ -239,7 +240,7 @@ int si_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); @@ -248,10 +249,10 @@ int si_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++) { @@ -268,16 +269,16 @@ int si_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; } |