From: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Date: Thu, 9 May 2013 17:08:38 +0000 (-0300)
Subject: drm/i915: IVB FBC WaFbcDisableDpfcClockGating
X-Git-Tag: v3.11-rc1~65^2~131^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b74ea102b746a1e5157d6b0c83f486ad3c6235d1;p=pandora-kernel.git

drm/i915: IVB FBC WaFbcDisableDpfcClockGating

Display register 42020h bit 9 must be set to 1b for the entire time that
Frame Buffer Compression is enabled.

v2: RMW to preserve other bits (by Ville)
v3: Fix from Ville: sed &/| at RMW
v4: Too far on sed.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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