[PATCH] drm/radeon: add a CS flag END_OF_FRAME

[Alex Deucher]

On Sun, Dec 2, 2012 at 3:03 PM, Marek Olšák <maraeo at gmail.com> wrote:
> No version bump is required because setting the flag on older DRM has
> no effect.
>
> This only reserves the bit and doesn't use it. I assume we will use it
> for buffer eviction heuristics.

Looks good to me.  Seems like it would be handy for a number of things.

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

>
> Signed-off-by: Marek Olšák <maraeo at gmail.com>
> ---
>  include/uapi/drm/radeon_drm.h |    1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h
> index 4766c0f..0c8a62c 100644
> --- a/include/uapi/drm/radeon_drm.h
> +++ b/include/uapi/drm/radeon_drm.h
> @@ -913,6 +913,7 @@ struct drm_radeon_gem_va {
>  /* The first dword of RADEON_CHUNK_ID_FLAGS is a uint32 of these flags: */
>  #define RADEON_CS_KEEP_TILING_FLAGS 0x01
>  #define RADEON_CS_USE_VM            0x02
> +#define RADEON_CS_END_OF_FRAME      0x04 /* a hint from userspace which CS is the last one */
>  /* The second dword of RADEON_CHUNK_ID_FLAGS is a uint32 that sets the ring type */
>  #define RADEON_CS_RING_GFX          0
>  #define RADEON_CS_RING_COMPUTE      1
> --
> 1.7.10.4
>
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