https://bugs.freedesktop.org/show_bug.cgi?id=108668
Bug ID: 108668
Summary: drm/amd/display: set backlight level limit to 1:
breaks userspace programs assuming 0 is the minimum
brightness
Product: DRI
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/AMDgpu
Assignee: dri-devel@lists.freedesktop.org
Reporter: samant...@posteo.net
This commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0cafc82fae41531b0162150f9a97f2c74f97118f
breaks KDE and any other software that assumes setting 0 will induce the
minimum brightness. Maybe it would make more sense to set the brightness level
to "1" if userspace requests brightness level "0" so programs still function
correctly.
If desired the call could still return false to indicate it was out of bounds,
but still lower brightness.
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