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| author | Christian König <christian.koenig@amd.com> | 2021-06-21 14:29:14 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2021-06-22 15:29:03 +0200 |
| commit | 8ddf5b9bb479570a3825d70fecfb9399bc15700c (patch) | |
| tree | 30c88932a8e180187fb2be054c18484123a7e68a /drivers | |
| parent | 4b41726aae563273bb4b4a9462ba51ce4d372f78 (diff) | |
| download | lwn-8ddf5b9bb479570a3825d70fecfb9399bc15700c.tar.gz lwn-8ddf5b9bb479570a3825d70fecfb9399bc15700c.zip | |
drm/amdgpu: wait for moving fence after pinning
We actually need to wait for the moving fence after pinning
the BO to make sure that the pin is completed.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
References: https://lore.kernel.org/dri-devel/20210621151758.2347474-1-daniel.vetter@ffwll.ch/
CC: stable@kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20210622114506.106349-3-christian.koenig@amd.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index baa980a477d9..37ec59365080 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c @@ -214,9 +214,21 @@ static int amdgpu_dma_buf_pin(struct dma_buf_attachment *attach) { struct drm_gem_object *obj = attach->dmabuf->priv; struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj); + int r; /* pin buffer into GTT */ - return amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT); + r = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT); + if (r) + return r; + + if (bo->tbo.moving) { + r = dma_fence_wait(bo->tbo.moving, true); + if (r) { + amdgpu_bo_unpin(bo); + return r; + } + } + return 0; } /** |