imx-drm: vblank wait timed out

[Christian Gmeiner]

2017-03-31 14:57 GMT+02:00 Philipp Zabel <p.zabel at pengutronix.de>:
> Hi Christian,
>
> On Fri, 2017-03-31 at 12:44 +0200, Christian Gmeiner wrote:
>> Hi
>>
>> I get this from time to time on a 4.9.17 kernel:
>>
>> [    3.353387] ------------[ cut here ]------------
>> [    3.353408] WARNING: CPU: 0 PID: 1 at
>> drivers/gpu/drm/drm_atomic_helper.c:1140
>> drm_atomic_helper_wait_for_vblanks+0x240/0x244
>> [    3.353412] [CRTC:24] vblank wait timed out
> [...]
>
> Do the four patches in
>  git://git.pengutronix.de/git/pza/linux.git tags/v4.9-ipu-dp-plane-fix
> fix this?
>

Sadly no - this is what I get after a warm-reboot:

[    2.797368] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops
ipu_crtc_ops)
[    2.804985] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops
ipu_crtc_ops)
[    2.812574] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops
ipu_crtc_ops)
[    2.820170] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops
ipu_crtc_ops)
[    2.828119] imx-drm display-subsystem: bound
2000000.aips-bus:ldb at 020e0008 (ops imx_ldb_ops)
[   13.933401] [drm:drm_atomic_helper_commit_cleanup_done] *ERROR*
[CRTC:24:crtc-0] flip_done timed out
[   24.173399] [drm:drm_atomic_helper_commit_cleanup_done] *ERROR*
[CRTC:24:crtc-0] flip_done timed out
[   24.175535] Console: switching to colour frame buffer device 80x30
[   34.413391] [drm:drm_atomic_helper_commit_cleanup_done] *ERROR*
[CRTC:24:crtc-0] flip_done timed out
[   34.460376] imx-drm display-subsystem: fb0:  frame buffer device
[   34.504119] imx-ipuv3 2800000.ipu: IPUv3H probed
...
[   45.933472] [drm:drm_atomic_helper_commit_cleanup_done] *ERROR*
[CRTC:24:crtc-0] flip_done timed out
[   56.173522] [drm:drm_atomic_helper_commit_cleanup_done] *ERROR*
[CRTC:24:crtc-0] flip_done timed out
[   66.413519] [drm:drm_atomic_helper_commit_cleanup_done] *ERROR*
[CRTC:24:crtc-0] flip_done timed out
[   76.653515] [drm:drm_atomic_helper_commit_cleanup_done] *ERROR*
[CRTC:24:crtc-0] flip_done timed out
[   87.533556] [drm:drm_atomic_helper_commit_cleanup_done] *ERROR*
[CRTC:24:crtc-0] flip_done timed out
[   99.053496] [drm:drm_atomic_helper_commit_cleanup_done] *ERROR*
[CRTC:24:crtc-0] flip_done timed out
[  109.933532] [drm:drm_atomic_helper_commit_cleanup_done] *ERROR*
[CRTC:24:crtc-0] flip_done timed out
[  120.813541] [drm:drm_atomic_helper_commit_cleanup_done] *ERROR*
[CRTC:24:crtc-0] flip_done timed out
[  131.053513] [drm:drm_atomic_helper_commit_cleanup_done] *ERROR*
[CRTC:24:crtc-0] flip_done timed out

greets
--
Christian Gmeiner, MSc

https://www.youtube.com/user/AloryOFFICIAL
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