On Wed, Jul 15, 2015 at 02:17:03PM +0530, sourab.gupta@xxxxxxxxx wrote:
> @@ -802,7 +808,7 @@ struct drm_i915_gem_execbuffer2 {
> #define I915_EXEC_CONSTANTS_REL_SURFACE (2<<6) /* gen4/5 only */
> __u64 flags;
> __u64 rsvd1; /* now used for context info */
> - __u64 rsvd2;
> + __u64 rsvd2; /* used for tag */
Only the bottom 32bits of rsvd1 are ctx_id. tag seems a natural
complement to ctx_id and could be fitted into the top 32bits of rsvd1.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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