I'm also seeing this same issue with a 5.15-rc4 kernel built from https://github.com/raspberrypi/linux/tree/rpi-5.15.y
[ 408.326395] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]] *ERROR* [CRTC:77:crtc-3] flip_done timed out [ 408.326477] [drm:drm_crtc_commit_wait [drm]] *ERROR* flip_done timed out [ 408.326711] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CRTC:77:crtc-3] commit wait timed out
I'm also seeing this same issue with a 5.15-rc4 kernel built from https:/ /github. com/raspberrypi /linux/ tree/rpi- 5.15.y
[ 408.326395] [drm:drm_ atomic_ helper_ wait_for_ flip_done [drm_kms_helper]] *ERROR* [CRTC:77:crtc-3] flip_done timed out crtc_commit_ wait [drm]] *ERROR* flip_done timed out atomic_ helper_ wait_for_ dependencies [drm_kms_helper]] *ERROR* [CRTC:77:crtc-3] commit wait timed out
[ 408.326477] [drm:drm_
[ 408.326711] [drm:drm_