[Intel-gfx] [PATCH 5/7] drm/i915: implement w/a for incorrect guarband clipping

[Ben Widawsky]

On Sat, Mar 31, 2012 at 11:22:01AM +0200, Daniel Vetter wrote:
> According to Bsepc, this should be set by default, but isn't. See vo1c.4
> "Render Engine Command Streamer", Section 1.1.14.3 "3D_CHICKEN3"
> 
> Bspec also says that we always need to set all mask bits.
I think this deserves to be a comment in the code itself. That really
made me say WTF when looking at the patch.
> 
> Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Reviewed-by: Ben Widawsky <ben at bwidawsk.net>