[Intel-gfx] [PATCH] drm/i915: Set guardband clipping workaround bit in the right register.

[Daniel Vetter]

On Tue, Oct 09, 2012 at 10:43:10AM +0300, Mika Kuoppala wrote:
> On Sun,  7 Oct 2012 08:51:07 -0700, Kenneth Graunke <kenneth at whitecape.org> wrote:
> > A previous patch, namely:
> > 
> > commit bf97b276ca04cee9ab65ffd378fa8e6aedd71ff6
> > Author: Daniel Vetter <daniel.vetter at ffwll.ch>
> > Date:   Wed Apr 11 20:42:41 2012 +0200
> > 
> >     drm/i915: implement w/a for incorrect guarband clipping
> > 
> > accidentally set bit 5 in 3D_CHICKEN, which has nothing to do with
> > clipping.  This patch changes it to be set in 3D_CHICKEN3, where it
> > belongs.
> > 
> > The game "Dante" demonstrates random clipping issues when guardband
> > clipping is enabled and bit 5 of 3D_CHICKEN3 isn't set.  So the
> > workaround is actually necessary.
> > 
> > Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> > Cc: Oliver McFadden <oliver.mcfadden at linux.intel.com>
> > Acked-by: Paul Menzel <paulepanter at users.sourceforge.net>
> > Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
> 
> Reviewed-by: Mika Kuoppala <mika.kuoppala at intel.com>

Applied to -fixes, thanks for the patch&review.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch