HDMI resolution / EDID wrong since BSP 5.9 migration

Fixed

Description

Since the BSP uprev to 5.9 (linux kernel 5.10) we do see that the HDMI port on the h3 does not list 1920x1080 anymore.

See this:

https://lava.automotivelinux.org/scheduler/job/24693#L3704

This is consistent now in all CI jobs and means that the screenshooter test fails.

The build is with h3ulcb-nogfx .

CC:

Environment

None

Activity

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Walt Miner
June 1, 2023 at 6:29 PM

Can this issue be resolved?

ronan Le Martret
April 5, 2022 at 12:53 PM

When I removed the option "video=HDMI-A-1:1920x1080-32@60" from the kernel option, I've got an issue with the Gechic screen.(wrong size).

For now I do not have this kind of issue with other screen.

When I try to connect the conect the Gechic screen on my personnal laptop (Fedora 34) it doesn't work and I've got:

Marius Vlad
March 18, 2022 at 7:46 AM

Maybe if that plug is acting up, attempt to supply on of your own? You should be able to supply over kernel cmd line or in cat-it into the appropriate sysfs file. https://wiki.archlinux.org/title/kernel_mode_setting#Forcing_modes_and_EDID

Jan-Simon Moeller
March 17, 2022 at 10:23 PM

EDID of Gechic screen for comparison:

Jan-Simon Moeller
March 17, 2022 at 10:15 PM
(edited)

EDID of HDMI jig in use:

Resize issue view side panel

Details

Assignee

Jan-Simon Moeller

Reporter

Jan-Simon Moeller

Labels

Affects versions

master

Priority

Major

Created March 1, 2022 at 1:24 PM

Updated September 15, 2023 at 2:34 PM

Resolved September 6, 2023 at 10:17 AM