[Intel-gfx] [PATCH 1/2] drm/i915/hsw: Add I915_EXEC_RESOURCE_STREAMER flag

[Chris Wilson]

On Wed, Oct 09, 2013 at 12:09:51AM +0300, Abdiel Janulgue wrote:
> Ensures that the batch buffer is executed by the resource streamer.
> 
> Signed-off-by: Abdiel Janulgue <abdiel.janulgue at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/i915_gem_execbuffer.c |    2 ++
>  include/uapi/drm/i915_drm.h                |    5 +++++
>  2 files changed, 7 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> index 0ce0d47..4a56c58 100644
> --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> @@ -962,6 +962,8 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
>  	case I915_EXEC_DEFAULT:
>  	case I915_EXEC_RENDER:
>  		ring = &dev_priv->ring[RCS];
> +		flags |= (args->flags & I915_EXEC_RESOURCE_STREAMER) ?
> +		  I915_EXEC_RESOURCE_STREAMER : 0;

Besides this being flags |= args->flags & I915_EXEC_RESOURCE_STREAMER;
flags is a completely different bitfield and you should be translating
into a dispatch value rather than the execbuffer value.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre