Public bug reported:
[Summary]
Fail to detect card after unplugging DPoC cable and reboot
Still can reproduce the issue after upgrading kenrel to 5.15.0-1033-mtk
[Steps to reproduce]
1. Flash image
2. Go to U-Boot shell and add display-dsidp.dtbo to list_dtbo
3. Reboot system with DPoC connected
4. Unplug DPoC cable and reboot system
5. Check if the card can be detected
$ pactl list cards
[Expected result]
The card can be detected
[Actual result]
no card is detected
[Failure rate]
100%
[Additional information]
SKU: G1200-evk P1V2, G510
Image: genio-classic-desktop-2204-20240322-185.tar.xz
kernel-version: 5.15.0-1030-mtk
---
The issue is gone after changing following values to default values.
$ amixer -c 0 cset name='DPTX_OUT_MUX' 0
$ amixer -c 0 cset name='HDMI_OUT_MUX' 1
LP: #2079780
** Affects: linux-mtk (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-mtk (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux-mtk (Ubuntu Jammy)
Importance: Undecided
Status: New
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Packages, which is subscribed to linux-mtk in Ubuntu.
https://bugs.launchpad.net/bugs/2090979
Title:
Fail to detect card after unplugging DPoC cable and reboot
Status in linux-mtk package in Ubuntu:
New
Status in linux-mtk source package in Jammy:
New
Bug description:
[Summary]
Fail to detect card after unplugging DPoC cable and reboot
Still can reproduce the issue after upgrading kenrel to
5.15.0-1033-mtk
[Steps to reproduce]
1. Flash image
2. Go to U-Boot shell and add display-dsidp.dtbo to list_dtbo
3. Reboot system with DPoC connected
4. Unplug DPoC cable and reboot system
5. Check if the card can be detected
$ pactl list cards
[Expected result]
The card can be detected
[Actual result]
no card is detected
[Failure rate]
100%
[Additional information]
SKU: G1200-evk P1V2, G510
Image: genio-classic-desktop-2204-20240322-185.tar.xz
kernel-version: 5.15.0-1030-mtk
---
The issue is gone after changing following values to default values.
$ amixer -c 0 cset name='DPTX_OUT_MUX' 0
$ amixer -c 0 cset name='HDMI_OUT_MUX' 1
LP: #2079780
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https://bugs.launchpad.net/ubuntu/+source/linux-mtk/+bug/2090979/+subscriptions
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