https://bugs.freedesktop.org/show_bug.cgi?id=108542
Bug ID: 108542 Summary: hdmi issues with kernel 4.18 Product: DRI Version: unspecified Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: davide26079@gmail.com
- since 4.18, the hdmi output says "12 bit" - since 4.18.8 there's no video output !!
You can find more details in this thread
https://bbs.archlinux.org/viewtopic.php?id=241212
I did a bisection to find the bad commit for the first regression already, and that's the result:
e03fd3f300f6184c1264186a4c815e93bf658abb is the first bad commit commit e03fd3f300f6184c1264186a4c815e93bf658abb Author: Mikita Lipski mikita.lipski@amd.com Date: Wed May 16 16:46:18 2018 -0400
drm/amd/display: Do not limit color depth to 8bpc
Delete if statement that would force any display's color depth higher than 8 bpc to 8
Signed-off-by: Mikita Lipski mikita.lipski@amd.com Reviewed-by: Harry Wentland Harry.Wentland@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com
:040000 040000 57c7a743a10059addbfdd1a122f90c4053d377fa 13139317e62ef56db1748bf48f31f81eb986c7f8 M drivers