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now you have 2 options.
From the xf86-video-radeonhd directory type the command
dos2unix -n patch fixed.patch
Or
From the xf86-video-radeonhd directory type the command
sed 's/.$//' patch > fixed.patch
finally from the xf86-video-radeonhd issue the command
patch -p1 < fixed.patch
I hope this helps
Edit:
Note you can remove the patch with this command if it causes trouble
patch -p1 -R < fixed.patch
Thank You. The problem is that I've installed radeon{,hd} and drm in some another way, through ppa's and, lately, with easy-drm-modules-installer, so I do not have xf86-video-radeonhd directory ... I will investigate the situation more, I'm up-to date to tormod, pendretti, xorg-crack and radeon-rewrite (with both radeon{,hd}) ...
Thank You,again ...
gtkperf doesn't seem very consistent, I ran the test a few times at x1000 with your latest patch. These are the results
1 Total time: 103.18
2 Total time: 104.41
3 Total time: 105.26
4 Total time: 99.90
On the fourth run I moved the mouse cursor between the screens (dualhead)
Same with x100 if I move the mouse cursor to the other monitor there's a 1 second diffrence between the results.
I think Matthias just posted a patch to the radeonhd list which turns on clock gating for 5xx/rs6xx parts, which should give some additional power savings. I stress *should* because nobody has had a chance to actually verify power reduction yet
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