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Commit 112a6d0c authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/radeon: fix UVD message buffer validation 



When the message buffer is currently moving block until it is idle again.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent e42f5814

drivers/gpu/drm/radeon/radeon_uvd.c

+8 −0
Original line number Diff line number Diff line
@@ -356,6 +356,14 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo, 
		return -EINVAL;

	}



	if (bo->tbo.sync_obj) {

		r = radeon_fence_wait(bo->tbo.sync_obj, false);

		if (r) {

			DRM_ERROR("Failed waiting for UVD message (%d)!\n", r);

			return r;

		}

	}



	r = radeon_bo_kmap(bo, &ptr);

	if (r) {

		DRM_ERROR("Failed mapping the UVD message (%d)!\n", r);