diff options
author | Rouven Czerwinski <rouven@czerwinskis.de> | 2020-01-24 19:31:39 +0100 |
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committer | Simon Ser <contact@emersion.fr> | 2020-01-24 19:43:51 +0100 |
commit | f0594fb732259606c0652f5fb1b847b86a746b35 (patch) | |
tree | 58268fa79e4913ff6945a8547ecfc21ee86fda80 /docs | |
parent | 1f722f5c800b1e422ffa480710d7af7c1e7dc0c4 (diff) |
backend/drm: add env variable to disable modifiers
In some cases modesets fail if the planes are initialized with
modifiers. Since in this case possibly all planes need to reinitialized,
which is not possible in the current wlroots design, add an environment
variable for affected users.
Diffstat (limited to 'docs')
-rw-r--r-- | docs/env_vars.md | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/docs/env_vars.md b/docs/env_vars.md index 6e6f846a..48f96f7f 100644 --- a/docs/env_vars.md +++ b/docs/env_vars.md @@ -17,6 +17,8 @@ wlroots reads these environment variables considered the primary DRM device. * *WLR_DRM_NO_ATOMIC*: set to 1 to use legacy DRM interface instead of atomic mode setting +* *WLR_DRM_NO_MODIFIERS*: set to 1 to always allocate planes without modifiers, + this can fix certain modeset failures because of bandwidth restrictions. ## Headless backend |