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I am using KDE as my DE and the opensource radeon graphics driver. I am having issues with video tearing, and no options under System Settings > Desktop Effects > Advanced seem to help except "full screen repaints" which kills my performance (dragging windows around is no longer smooth). I am also having issues with very poor performance with transparent / blurred elements. What can I do to fix these issues? The video tearing is top priority here, that's gotta be fixed or it's going to drive me insane.
Also, when X starts and I am at the log in screen (KDM) I get a mirrored image on both screens (I am using two monitors, by the way), how can I configure X to properly extend my desktop at the before I log in? After I log in my settings through KDE take care of it, and dual screens works as expected.
Thanks!
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I am using KDE as my DE and the opensource radeon graphics driver. I am having issues with video tearing, and no options under System Settings > Desktop Effects > Advanced seem to help except "full screen repaints" which kills my performance (dragging windows around is no longer smooth). I am also having issues with very poor performance with transparent / blurred elements. What can I do to fix these issues? The video tearing is top priority here, that's gotta be fixed or it's going to drive me insane.
what driver/module is handlig your graphics card?
are you sure it's making proper use of any hardware acceleration available?
has it worked better before? what changed?
Also, when X starts and I am at the log in screen (KDM) I get a mirrored image
i guess you mean "duplicated"?
on both screens (I am using two monitors, by the way), how can I configure X to properly extend my desktop at the before I log in? After I log in my settings through KDE take care of it, and dual screens works as expected.
you can pass a boot option in grub to disable the second monitor; kde should then be able to re-enable it.
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