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drm/i915: fix panel fitting filter coefficient select for Ironlake
authorZhenyu Wang <zhenyuw@linux.intel.com>
Mon, 19 Oct 2009 07:43:49 +0000 (15:43 +0800)
committerEric Anholt <eric@anholt.net>
Mon, 19 Oct 2009 18:03:43 +0000 (11:03 -0700)
Must set filter selection as hardcoded coefficients for medium 3x3
filtering, which matches vbios setting for Ironlake.

This fixes display corrupt issue on HP arrandale with new vbios.

Cc: Stable Team <stable@kernel.org>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

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