https://bugs.freedesktop.org/show_bug.cgi?id=99291
Bug ID: 99291
Summary: R9285 amd-staging-4.7 bad gamma since drm/amd/display:
Implement gamma correction using input LUT
Product: DRI
Version: DRI git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/AMDgpu
Assignee: dri-devel at lists.freedesktop.org
Reporter: adf.lists at gmail.com
R9285 git amd-staging-4.7 xserver 1.18.4
since
da3877a82a8a9375f47334cffd375c795d7a0f8c
drm/amd/display: Implement gamma correction using input LUT
initial x gamma will be far too light.
Turns out that although xgamma reports 1.0, doing
xgamma -gamma 1.0
corrects the issue
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