[Bug 104573] [IGT][SNB only] dmesg-warn [CRTC:37:pipe A] flip_done timed out and vblank wait timed out on crtc 0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104573

--- Comment #2 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
On today's ff:
SNB, igt at kms_pipe_crc_basic@suspend-read-crc-pipe-a, commit-a0ca279+
SNB, igt at kms_setmode@basic-clone-single-crtc, commit-a0ca279+

[  389.843007] vblank wait timed out on crtc 0
[  389.843052] WARNING: CPU: 3 PID: 28418 at drivers/gpu/drm/drm_vblank.c:1073
drm_wait_one_vblank+0x18d/0x1a0 [drm]
...
[  400.355021] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]]
*ERROR* [CRTC:37:pipe A] flip_done timed out
[  410.594996] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]]
*ERROR* [CRTC:47:pipe B] flip_done timed out

And may be related:
https://bugs.freedesktop.org/show_bug.cgi?id=104614
https://bugs.freedesktop.org/show_bug.cgi?id=101269
https://bugs.freedesktop.org/show_bug.cgi?id=103713

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