Description of problem: I used to choose to dim the display to save power when running on battery. However I see this as an annoying compromise and would much rather use the screen at the standard brightness when power saving is not crucial. I would watch video etc. with the power connected thus enjoying the full brightness of the screen. The new control center only allows a binary setting to dim the screen or not. While this is OK for some purposes, it's very annoying when watching video content or animation longer than the timeout. Ideally Fedora would allow users to benefit from power savings when not viewing video content without arcane settings. The recent change has moved towards making the setting (as it now is) pointless for me, and reduced the opportunity for power saving. Would it be possible for a modern compositing WM to detect when the display content is changing (or contains video) and automate the power saving this way? This would provide a better integrated and more optimal solution. Version-Release number of selected component (if applicable): control-center-3.1.91-1.fc16.i686 How reproducible: 100% Steps to Reproduce: 1.visit system settings, note that 'screen' settings are no longer related to power sources 2.choose dim, connect power 3.watch video Actual results: screen dims while watching video if there is no user input Expected results: screen should not dim as it's a poor user experience and does not save battery power. Additional info: using nouveau driver
I've found that the old settings are available, from the command line, even if the GUI denies access to them: gsettings list-keys org.gnome.settings-daemon.plugins.power - lists all the settings idle-dim-battery and idle-dim-ac are relevant. gsettings set org.gnome.settings-daemon.plugins.power idle-dim-battery true - this allows the dim to happen when running on battery.
Unfortunately, I'm still seeing some strange behaviour when using the gsettings above: [cxm@bishop ~]$ gsettings get org.gnome.settings-daemon.plugins.power idle-dim-battery true [cxm@bishop ~]$ gsettings get org.gnome.settings-daemon.plugins.power idle-dim-ac false [cxm@bishop ~]$ gsettings get org.gnome.settings-daemon.plugins.power idle-dim-time 10 [cxm@bishop ~]$ gsettings get org.gnome.settings-daemon.plugins.power idle-brightness 30 With the mains adapter plugged in and the gnome shell power display showing battery + spark, it still dims after some time. I use the BIOS buttons to raise the brightness to a usable level again (recognised by Gnome because an animated overlay pops up). I timed the delay until the display dims again, I left it over a minute then it dimmed gradually as soon as I moved the pointer. It seems like it detects idle as soon as it's over the timeout, on the next movement event. Maybe this merits a new bug or maybe it's a side effect of my low level gsettings tweaks.
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Fedora 16 changed to end-of-life (EOL) status on 2013-02-12. Fedora 16 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.