Bug 14435

Summary: [3.4 M1 beaglebone] Some drm error messages in dmesg
Product: [Build System, Metadata & Runtime] BSPs Reporter: Yi Zhao <yi.zhao>
Component: bsps-meta-yoctoAssignee: Kevin Hao <kexin.hao>
Status: RESOLVED FIXED QA Contact: Yi Zhao <yi.zhao>
Severity: normal    
Priority: Medium+ CC: randy.macleod, richard.purdie, sangeeta.jain, yi.zhao
Version: 3.4   
Target Milestone: 3.4 M2   
Hardware: x86   
OS: Multiple   
Whiteboard:
OS type for building Yocto: --- Type of Regression: Regression (Used to work)
Verified: Documentation change: No (bug/feature does not impact docs)

Description Yi Zhao 2021-06-16 08:09:54 UTC 
Git rev: master/59d93693bf24e02ca0f05fe06d96a46f4f0f1bf8
Image location: https://autobuilder.yocto.io/pub/releases/yocto-3.4_M1.rc1/machines/beaglebone-yocto/

When the monitor enters power save mode or wakes up, some drm error messages are printed to the console:


root@beaglebone-yocto:~#
[drm:drm_atomic_helper_wait_for_dependencies] *ERROR* [CRTC:32:tilcdc crtc] flip_done timed out
[drm:drm_atomic_helper_wait_for_dependencies] *ERROR* [CONNECTOR:34:HDMI-A-1] flip_done timed out

root@beaglebone-yocto:~#[drm:drm_atomic_helper_wait_for_dependencies] *ERROR* [PLANE:31:plane-0] flip_done timed out
tilcdc 4830e000.lcdc: already pending page flip!
Comment 1 Yi Zhao 2021-07-23 07:20:04 UTC 
This issue doesn't exist on 3.4 M2.
Comment 2 Kevin Hao 2021-07-23 08:11:44 UTC 
It seems that this has been fixed in the latest stable kernel.