[PATCH][Natty SRU] drm/i915: Sanitize the output registers after resume

Seth Forshee seth.forshee at canonical.com
Wed Apr 27 18:43:07 UTC 2011

This patch is already queued for the next .38 stable release, but I'd
like to go ahead and get it in for the first natty SRU.

SRU Justification

Impact: Graphics corruption after resuming from hiberante on some
machines with Intel GMA 3150 graphics, others potentially affected as

Fix: Upstream patch to force output registers to known state in resume

Test case: Hibernate affected machines and observe the display after

BugLink: http://bugs.launchpad.net/bugs/745304

Chris Wilson (1):
  drm/i915: Sanitize the output registers after resume

 drivers/gpu/drm/i915/intel_display.c |   68 ++++++++++++++++++----------------
 1 files changed, 36 insertions(+), 32 deletions(-)

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