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| author | Michael Raskin <7c6f434c@mail.ru> | 2019-03-07 13:38:05 +0100 |
|---|---|---|
| committer | Michael Raskin <7c6f434c@mail.ru> | 2019-03-07 13:38:19 +0100 |
| commit | 500d61560fb76b46db017109ff5b9ddc50e02434 (patch) | |
| tree | 2ab4bdd8697e9948590468de62da7834f8c3b97c /nixos | |
| parent | 36f5c0d58d935cf8b7cd00dd176f7cbc0a8b541b (diff) | |
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Release notes: switch to modesetting: mention backlight problem
Diffstat (limited to 'nixos')
| -rw-r--r-- | nixos/doc/manual/release-notes/rl-1903.xml | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/nixos/doc/manual/release-notes/rl-1903.xml b/nixos/doc/manual/release-notes/rl-1903.xml index 18d32b59584..e58ce49c79b 100644 --- a/nixos/doc/manual/release-notes/rl-1903.xml +++ b/nixos/doc/manual/release-notes/rl-1903.xml @@ -666,6 +666,10 @@ Some OpenCL and VA-API applications might also break (Beignet seems to provide OpenCL support with <literal>modesetting</literal> driver, too). + Kernel mode setting API does not support backlight control, + so <literal>xbacklight</literal> tool will not work; + backlight level can be controlled directly via <literal>/sys/</literal> + or with <literal>brightnessctl</literal>. Users who need this functionality more than multi-output XRandR are advised to add `intel` to `videoDrivers` and report an issue (or provide additional details in an existing one) |