[Intel-gfx] [PATCH] drm/i915: Use PIPE_CONTROL for flushing on gen6+.

[Chris Wilson]

On Mon, 26 Sep 2011 11:59:23 -0700, Kenneth Graunke <kenneth at whitecape.org> wrote:
> From: Jesse Barnes <jbarnes at virtuousgeek.org>

>From the school of "If ain't broke, don't fix it" there needs to be a real
explanation of why this change is required here.

PIPE_CONTROL and its workarounds is a very bitter pill to swallow if
MI_FLUSH continues to function.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre