https://bugs.freedesktop.org/show_bug.cgi?id=92632
Bug ID: 92632
Summary: Huge performance drop and inaccurate cursor
Product: xorg
Version: unspecified
Hardware: Other
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Driver/Radeon
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
Created attachment 119134
--> https://bugs.freedesktop.org/attachment.cgi?id=119134&action=edit
dmesg output
Hi all,
I'm facing a huge performance drop with latest git version of xf86-video-ati.
Creating and moving windows is very slow. There is also another problem where
the mouse cursor is inaccurate positioned by some pixels when it is changed
(input cursor, windows resize cursor, ...)
This does not happen with the last released version 7.5.0.
I bisected the driver and found the bad commit before that commit or when it is
reverted both problems do not appear:
673e1c7637687c74fc9bdeeeffb7ace0d04b734f is the first bad commit
commit 673e1c7637687c74fc9bdeeeffb7ace0d04b734f
Author: Michel Dänzer <[email protected]>
Date: Thu Apr 2 17:54:33 2015 +0900
Defer initial modeset until the first BlockHandler invocation
This ensures that the screen pixmap contents have been initialized when
the initial modes are set.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=27757
Reviewed-by: Alex Deucher <[email protected]>
Kind regards
Jan Burgmeier
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