drm/i915: gen7: work around a system hang on IVB
authorEugeni Dodonov <eugeni.dodonov@intel.com>
Wed, 8 Feb 2012 20:53:51 +0000 (12:53 -0800)
committerJesse Barnes <jbarnes@virtuousgeek.org>
Fri, 10 Feb 2012 22:19:14 +0000 (14:19 -0800)
commitdb099c8f963fe656108e0a068274c5580a17f69b
tree297ad1b9831163f56981a802773e69b0036b90fc
parente4e0c058a19c41150d12ad2d3023b3cf09c5de67
drm/i915: gen7: work around a system hang on IVB

This adds the workaround for WaCatErrorRejectionIssue which could result
in a system hang.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41353
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=44610
Tested-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/intel_display.c