[PATCH] drm/radeon: fix VCE fence command
Deucher, Alexander
Alexander.Deucher at amd.com
Mon Apr 14 15:13:08 PDT 2014
> -----Original Message-----
> From: Christoph Jaeger [mailto:christophjaeger at linux.com]
> Sent: Monday, April 14, 2014 6:10 PM
> To: Deucher, Alexander; Koenig, Christian; airlied at linux.ie
> Cc: dri-devel at lists.freedesktop.org; linux-kernel at vger.kernel.org; Christoph
> Jaeger
> Subject: [PATCH] drm/radeon: fix VCE fence command
>
> Due to a type mismatch that causes an implicit type conversion, the
> upper 32 bits of the GPU address have been zeroed out when adding to the
> command buffer.
>
> Picked up by Coverity - CID 1198624.
>
> Signed-off-by: Christoph Jaeger <christophjaeger at linux.com>
Good catch!
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
> ---
> drivers/gpu/drm/radeon/radeon_vce.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_vce.c
> b/drivers/gpu/drm/radeon/radeon_vce.c
> index 76e9904..ced53dd 100644
> --- a/drivers/gpu/drm/radeon/radeon_vce.c
> +++ b/drivers/gpu/drm/radeon/radeon_vce.c
> @@ -613,7 +613,7 @@ void radeon_vce_fence_emit(struct radeon_device
> *rdev,
> struct radeon_fence *fence)
> {
> struct radeon_ring *ring = &rdev->ring[fence->ring];
> - uint32_t addr = rdev->fence_drv[fence->ring].gpu_addr;
> + uint64_t addr = rdev->fence_drv[fence->ring].gpu_addr;
>
> radeon_ring_write(ring, VCE_CMD_FENCE);
> radeon_ring_write(ring, addr);
> --
> 1.9.0
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