[Bug 91066] problems with tearfree fullscreen video on secondary HDMI1 screen

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Jun 23 00:54:00 PDT 2015


https://bugs.freedesktop.org/show_bug.cgi?id=91066

--- Comment #1 from Kevin Mitchell <kevmitch at gmail.com> ---
I should add also that I have yet to experience these problems if I mirror the
displays (even with different refresh rates)
    xrandr --output LVDS1 --mode 1920x1080 --rate 60  --output HDMI1 --mode
1920x1080 --rate 23.98 --set "Broadcast RGB" "Full" --same-as LVDS1

Same refresh rate mirrored also works well
    xrandr --output LVDS1 --mode 1920x1080 --rate 60  --output HDMI1 --mode
1920x1080 --rate 60 --set "Broadcast RGB" "Full" --same-as LVDS1

Finally, turning off the LVDS1 entirely seems to work
    xrandr --output LVDS1 --off --output HDMI1 --mode 1920x1080 --rate 23.98
--set "Broadcast RGB" "Full" --same-as LVDS1

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