From fd392b6003ae79c8abfb077be76e0a4b4cea8e3e Mon Sep 17 00:00:00 2001
From: Ben Widawsky <ben@bwidawsk.net>
Date: Mon, 4 Nov 2013 22:52:39 -0800
Subject: [PATCH] ddrm/i915/bdw: Disable centroid pixel perf optimization

BDW-A workaround

BDW Bug #1899532

v2: WARN on when not using preliminary HW support

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuosugeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Reading git-format-patch failed