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(parent: c038e51) | patch
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)
commitb1f60b7029989da71fd8ea1b1176480fac9e846c
tree774173fc5f95a2c7c72d931d9305500640ac6c31tree | snapshot
parentc038e51e841581cc3fb9a76e5e16331331e9c85ccommit | diff
drm/i915: fix panel fitting filter coefficient select for Ironlake

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>
drivers/gpu/drm/i915/i915_reg.h diff | blob | history
drivers/gpu/drm/i915/intel_display.c diff | blob | history
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