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List:       openbsd-arm
Subject:    apldrm(4) error after sleep
From:       hi () senzilla ! io
Date:       2024-01-30 8:58:59
Message-ID: fb83f41c2150b4793d9234d9e5fb89a48480d187 () senzilla ! io
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Hello

First of all, thank you all for the recent work on apldrm(4). It really i=
mproved the user experience on Apple Sillicon. However, I have been runni=
ng into two problems after upgrading to a recent snapshot.

My display is a LG HDR UWQHD (Ultra-Wide) 5K.

First problem is after the display has gone to sleep it doesn't want to c=
ome back. Here is a dmesg dump:


---


drm:pid0:iomfb_poweron_v13_3 *ERROR* dcp_poweron() starting

apldrm0: 3840x2160, 32bpp

wsdisplay0 at apldrm0 mux 1

wskbd0: connecting to wsdisplay0

wskbd1: connecting to wsdisplay0

wsdisplay0: screen 0-5 added (std, vt100 emulation)

bwfm0: address 14:98:77:39:e8:52

drm:pid29918:iomfb_poweroff_v13_3 *ERROR* dcp_poweroff() done

ungoogled-chromium[86229]: pledge "inet", syscall 97

drm:pid29918:iomfb_poweron_v13_3 *ERROR* dcp_poweron() starting

drm:pid29918:iomfb_poweroff_v13_3 *ERROR* dcp_poweroff() done

drm:pid29918:iomfb_poweron_v13_3 *ERROR* dcp_poweron() starting

drm:pid29918:drm_atomic_helper_wait_for_flip_done *ERROR* [drm] *ERROR* [=
CRTC:33:crtc-0] flip_done timed out

drm:pid29918:drm_crtc_commit_wait *ERROR* [drm] *ERROR* flip_done timed o=
ut

drm:pid29918:drm_atomic_helper_wait_for_dependencies *ERROR* [drm] *ERROR=
* [CRTC:33:crtc-0] commit wait timed out

drm:pid29918:dcp_flush *ERROR* unexpected busy command channel

drm:pid29918:drm_crtc_commit_wait *ERROR* [drm] *ERROR* flip_done timed o=
ut

drm:pid29918:drm_atomic_helper_wait_for_dependencies *ERROR* [drm] *ERROR=
* [CONNECTOR:35:HDMI-A-1] commit wait timed out

drm:pid29918:dcp_flush *ERROR* unexpected busy command channel

drm:pid29918:dcp_flush *ERROR* unexpected busy command channel

drm:pid29918:drm_crtc_commit_wait *ERROR* [drm] *ERROR* flip_done timed o=
ut

drm:pid29918:drm_atomic_helper_wait_for_dependencies *ERROR* [drm] *ERROR=
* [PLANE:31:plane-0] commit wait timed out


---


Second problem is after unplugging the cable and plugging it back in the =
screen does not want to come back. Here is another dmesg dump:


---


drm:pid0:iomfb_poweron_v13_3 *ERROR* dcp_poweron() starting

apldrm0: 3840x2160, 32bpp

wsdisplay0 at apldrm0 mux 1

wskbd0: connecting to wsdisplay0

wskbd1: connecting to wsdisplay0

wsdisplay0: screen 0-5 added (std, vt100 emulation)

bwfm0: address 14:98:77:39:e8:52

drm:pid71006:iomfb_poweroff_v13_3 *ERROR* dcp_poweroff() done

drm:pid71006:iomfb_poweron_v13_3 *ERROR* dcp_poweron() starting

drm:pid71006:drm_atomic_helper_wait_for_flip_done *ERROR* [drm] *ERROR* [=
CRTC:33:crtc-0] flip_done timed out

drm:pid71006:drm_crtc_commit_wait *ERROR* [drm] *ERROR* flip_done timed o=
ut

drm:pid71006:drm_atomic_helper_wait_for_dependencies *ERROR* [drm] *ERROR=
* [CRTC:33:crtc-0] commit wait timed out

drm:pid71006:dcp_flush *ERROR* unexpected busy command channel

drm:pid71006:drm_crtc_commit_wait *ERROR* [drm] *ERROR* flip_done timed o=
ut

drm:pid71006:drm_atomic_helper_wait_for_dependencies *ERROR* [drm] *ERROR=
* [CONNECTOR:35:HDMI-A-1] commit wait timed out

drm:pid71006:dcp_flush *ERROR* unexpected busy command channel


---


Thank you!

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