[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 #3 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
igt at kms_setmode@basic-clone-single-crtc

IGT-Version: 1.21-g94bd67c (x86_64) (Linux:
4.15.0-rc9-drm-intel-qa-ww4-commit-8748fd9+ x86_64)
Testing: basic-clone-single-crtc 2 connector combinations
Subtest basic-clone-single-crtc: SUCCESS (61.462s)

[ 1271.520530] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR*
[CRTC:37:pipe A] flip_done timed out
[ 1281.760475] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR*
[CONNECTOR:48:VGA-1] flip_done timed out
[ 1292.000469] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR*
[PLANE:28:primary A] flip_done timed out
[ 1302.240475] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR*
[CRTC:47:pipe B] flip_done timed out
[ 1312.480469] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR*
[CONNECTOR:56:DP-1] flip_done timed out
[ 1322.720469] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR*
[PLANE:38:primary B] flip_done timed out
[ 1323.000482] ------------[ cut here ]------------
[ 1323.000488] vblank wait timed out on crtc 0
[ 1323.000525] WARNING: CPU: 4 PID: 14451 at drivers/gpu/drm/drm_vblank.c:1073
drm_wait_one_vblank+0x18d/0x1a0
...

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