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(parent: b6b5d04) | patch
drm/i915: Preserve VGACNTR bits from the BIOS
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Thu, 14 Aug 2014 22:22:08 +0000 (01:22 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 3 Sep 2014 09:05:26 +0000 (11:05 +0200)
commit69769f9a422bfc62e17399da3590c5e31ac37f24
tree49f2647517fb048de0415d79382f1c22ead3fb20tree | snapshot
parentb6b5d049780c29fe6073b6ecbb712dd8dcb27ebccommit | diff
drm/i915: Preserve VGACNTR bits from the BIOS

My Fujistsu-Siemens Lifebook S6010 doesn't like to resume from
S3 unless VGACNTR has been restore to the original value. The BIOS
value in this case was 0x0124008E. Setting the "VGA disable" bit
doesn't interfere with the S3 resume fortunately.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Thomas Richter <richter@rus.uni-stuttgart.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_drv.h diff | blob | history
drivers/gpu/drm/i915/intel_display.c diff | blob | history
Domain: System / Kernel;