[Bug 109068] Raven Ridge: backlight is off after suspend

[bugzilla-daemon at freedesktop.org]

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 at lists.freedesktop.org
          Reporter: samantham at 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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