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(parent: 800a6bc) | patch
drm/i915: Add lock on drm_helper_resume_force_mode
authorSean Paul <seanpaul@chromium.org>
Fri, 23 Mar 2012 12:52:58 +0000 (08:52 -0400)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 3 Apr 2012 08:37:37 +0000 (10:37 +0200)
commit6c0920d9a8feb339ca8d573ec9a9537a64bf2dd0
tree982fd48fc0a39dd5ce0e073b3475283219bd11a7tree | snapshot
parent800a6bcbe61f9d3d79e377dc5b627697bed1a513commit | diff
drm/i915: Add lock on drm_helper_resume_force_mode

i915_drm_thaw was not locking the mode_config lock when calling
drm_helper_resume_force_mode. When there were multiple wake sources,
this caused FDI training failure on SNB which in turn corrupted the
display.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_drv.c diff | blob | history
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