Bug 21208

Summary: Option "DynamicPM" causes display corruption
Product: xorg Reporter: Alexander Hunziker <alex.hunziker>
Component: Driver/RadeonAssignee: xf86-video-ati maintainers <xorg-driver-ati>
Status: RESOLVED FIXED QA Contact: Xorg Project Team <xorg-team>
Severity: major    
Priority: medium    
Version: 7.4 (2008.09)   
Hardware: Other   
OS: All   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
temporary fix none

Description Alexander Hunziker 2009-04-15 13:16:51 UTC 
When I enable the option "DynamicPM" in a snapshot from April 15, I get screen corruption. This happens on a Mobility Radeon X1400 on a Thinkpad T60 with a 1400x1050 panel.

What happens is that the picture is streched so that it is too wide, and it looks like two pictures are laid over each other, slightly shifted horizontally. I see this behaviour not only in X mode, but also when I switch to a terminal.
Comment 1 Papadakos Panagiotis 2009-04-16 08:48:39 UTC 
I have also corruption on my X2300 based laptop, using DynamicPM, 
and latest driver code. The corruption affects the mouse cursor and widgets.
I can't see any corruption when switching to terminal, like #1 commenter said,
and no stretching using 1280x800 resolution.
Comment 2 Alex Deucher 2009-04-16 09:09:44 UTC 
Created attachment 24869 [details] [review]
temporary fix

This should fix the corruption for the time being.  I'm working on a better fix.
Comment 3 Alex Deucher 2009-04-16 14:06:23 UTC 
Should be fixed now in git.
Comment 4 Papadakos Panagiotis 2009-04-17 09:59:37 UTC 
Seems to be fixed here! Thanks.

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