From: Christian König <christian.koenig@xxxxxxx> commit 8ddf5b9bb479570a3825d70fecfb9399bc15700c upstream. 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@xxxxxxx> Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx> References: https://lore.kernel.org/dri-devel/20210621151758.2347474-1-daniel.vetter@xxxxxxxx/ CC: stable@xxxxxxxxxx Link: https://patchwork.freedesktop.org/patch/msgid/20210622114506.106349-3-christian.koenig@xxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index 1b56dbc1f304..e93ccdc5faf4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c @@ -238,9 +238,21 @@ 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; } /** -- 2.30.2
