Forcing DPMS on when we lose our session may force an expensive modeset operation, which is pointless if the next consumer (another compositor, or the console) is going to do a modeset. These should force DPMS on regardless. This actively causes problems for the DRM backend, in that it may actually require a repaint to set coherent state for DPMS off -> DPMS on transitions, which is very much not what we want when going offscreen. As DRM is the only backend which actually implements DPMS, just remove this call. Differential Revision: https://phabricator.freedesktop.org/D1483 Signed-off-by: Daniel Stone <daniels@collabora.com> Reviewed-by: Quentin Glidic <sardemff7+git@sardemff7.net>dev
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