https://bugs.freedesktop.org/show_bug.cgi?id=109068
Bug ID: 109068
Summary: Raven Ridge: backlight is off after suspend
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: samant...@posteo.net
This is an issue on amd-staging-drm-next but not on 4.19.7. I have not tested
other kernels. The issue is that if you put the system in suspend and wake it
up again, the backlight is off. On 4.19 when you resume from suspend the
backlight resumes the same level it was when you put it into suspend.
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