[Bug 101926] kabini amdgpu: LVDS not working after resume from suspend (works with radeon)
https://bugs.freedesktop.org/show_bug.cgi?id=101926
Bug ID: 101926 Summary: kabini amdgpu: LVDS not working after resume from suspend (works with radeon) Product: DRI Version: unspecified Hardware: Other OS: All Status: NEW Severity: normal Priority: medium Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: chithanh@gentoo.org
Using Linux 4.12.3 on a netbook with AMD A4-1200 Kabini APU and the amdgpu driver:
Upon resuming from suspend-to-RAM, the LVDS display will become all while.
This situation will persist until a reboot, even after turning it off and on again with xrandr.
Backlight control works fine at all times. External displays (VGA, HDMI) are not affected. The radeon driver does not have this problem.
I noticed that in bug 42960 a very similar issue was fixed in radeon, but am currently unsure whether the fix made it into amdgpu too.
https://bugs.freedesktop.org/show_bug.cgi?id=101926
--- Comment #1 from Chí-Thanh Christopher Nguyễn chithanh@gentoo.org --- Created attachment 132985 --> https://bugs.freedesktop.org/attachment.cgi?id=132985&action=edit dmesg
https://bugs.freedesktop.org/show_bug.cgi?id=101926
Martin Peres martin.peres@free.fr changed:
What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |MOVED Status|NEW |RESOLVED
--- Comment #2 from Martin Peres martin.peres@free.fr --- -- GitLab Migration Automatic Message --
This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.
You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/205.
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