From: Simon Farnsworth <simon.farnsworth@onelan.com>
Date: Fri, 10 Jul 2009 10:25:16 +0000 (+0100)
Subject: drm/via: Fix vblank IRQ on VIA hardware.
X-Git-Tag: v2.6.31-rc4~29^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=42dd8619940a153e950c4d2301cd5e49f7342f99;p=pandora-kernel.git

drm/via: Fix vblank IRQ on VIA hardware.

via_enable_vblank wasn't setting the VBlank enable bit - instead, it
was masking out the rest of the register.

At the same time, fix via_disable_vblank to clear the VBlank enable
bit.

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