From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Tue, 1 Jul 2008 19:32:52 +0000 (-0700)
Subject: DRM/i915: only use tiled blits on 965+
X-Git-Tag: v2.6.26-rc9~85
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d25802e3ba7c82457b5c12bbfeefe391d8a333e;p=pandora-kernel.git

DRM/i915: only use tiled blits on 965+

When scheduled swaps occur, we need to blit between front & back
buffers.  If the buffers are tiled, we need to set the appropriate
XY_SRC_COPY tile bit, but only on 965 chips, since it will cause
corruption on pre-965 (e.g. 945).

Bug reported by and fix tested by Tomas Janousek <tomi@nomi.cz>.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Acked-by: Dave Airlie <airlied@linux.ie>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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