From: =?utf-8?q?Michel_D=C3=A4nzer?= <michel@tungstengraphics.com>
Date: Mon, 11 Dec 2006 07:32:27 +0000 (+1100)
Subject: i915_vblank_tasklet: Try harder to avoid tearing.
X-Git-Tag: v2.6.20-rc2~85^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3188a24c256bae0ed93d81d82db1f1bb6060d727;p=pandora-kernel.git

i915_vblank_tasklet: Try harder to avoid tearing.

Previously, if there were several buffer swaps scheduled for the same vertical
blank, all but the first blit emitted stood a chance of exhibiting tearing. In
order to avoid this, split the blits along slices of each output top to bottom.

Signed-off-by: Dave Airlie <airlied@linux.ie>
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