[Bug 104145] New: [SNB] igt@[vgem_*/prime_*/pm_*] dmesg-warn *ERROR* [CRTC:47:pipe B] flip_done timed out

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104145

            Bug ID: 104145
           Summary: [SNB] igt@[vgem_*/prime_*/pm_*] dmesg-warn *ERROR*
                    [CRTC:47:pipe B] flip_done timed out
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: elizabethx.de.la.torre.mena at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

With commit 0d0fe91 we are getting a bunch of flip_done timed out messages on
SNB. Don't have yesterday logs, but I'll attach today's with 4.15.0-rc2
commit-1a0d67e+. 

Note: I'm adding SNB in tittle since it seems to be the only platform affected.

Sample messages:
[ 4364.260454] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]]
*ERROR* [CRTC:37:pipe A] flip_done timed out
[ 4374.500423] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]]
*ERROR* [CRTC:47:pipe B] flip_done timed out
[ 4384.740457] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]]
*ERROR* [CONNECTOR:48:VGA-1] flip_done timed out
[ 4394.980460] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]]
*ERROR* [CONNECTOR:56:DP-1] flip_done timed out
[ 4405.220458] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]]
*ERROR* [PLANE:28:primary A] flip_done timed out
[ 4415.460450] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]]
*ERROR* [PLANE:38:primary B] flip_done timed out
[ 4425.700456] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]]
*ERROR* [CRTC:37:pipe A] flip_done timed out
[ 4435.940451] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]]
*ERROR* [CRTC:47:pipe B] flip_done timed out

Tests affected:
igt at vgem_basic@create
igt at vgem_basic@dmabuf-fence-before
igt at prime_vgem@basic-sync-default
igt at prime_self_import@basic-llseek-bad
igt at vgem_basic@second-client
igt at vgem_basic@debugfs
igt at prime_self_import@basic-with_one_bo
igt at prime_self_import@basic-llseek-size
igt at pm_rps@basic-api
igt at prime_self_import@basic-with_fd_dup
igt at prime_vgem@basic-write
igt at prime_vgem@basic-read
igt at vgem_basic@sysfs
igt at prime_vgem@basic-fence-mmap
igt at vgem_basic@dmabuf-mmap
igt at prime_self_import@basic-with_one_bo_two_files
igt at prime_vgem@basic-fence-wait-default
igt at vgem_basic@dmabuf-fence
igt at drv_module_reload@basic-reload
igt at prime_vgem@basic-fence-read
igt at vgem_basic@mmap
igt at vgem_basic@setversion
igt at prime_vgem@basic-wait-default
igt at prime_self_import@basic-with_two_bos
igt at prime_vgem@basic-gtt
igt at prime_vgem@basic-busy-default
igt at vgem_basic@dmabuf-export

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