[Bug 101269] [SNB] gpu hangs, pipe A vblank wait timed out

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101269

--- Comment #24 from Simon <sur3 at gmx.de> ---
Still GPU hangs in 4.15.3, without my proposed patch stated above..
[  164.530054] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]]
*ERROR* [CRTC:37:pipe A] flip_done timed out
[  174.556732] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]]
*ERROR* [CRTC:37:pipe A] flip_done timed out
[  184.583364] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]]
*ERROR* [PLANE:28:primary A] flip_done timed out
[  194.610032] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]]
*ERROR* [CRTC:37:pipe A] flip_done timed out
..

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