https://bugzilla.novell.com/show_bug.cgi?id=636968
https://bugzilla.novell.com/show_bug.cgi?id=636968#c3
Stefan Dirsch changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |UPSTREAM
--- Comment #3 from Stefan Dirsch 2010-09-03 12:56:46 UTC ---
Apparently for the DPI calculation the resolution of S-Video output is used.
[ 2790.959] (II) RADEON(0): Output VGA-0 using initial mode 800x600
[ 2790.959] (II) RADEON(0): Output S-video using initial mode 800x600
[ 2790.959] (II) RADEON(0): Using default gamma of (1.0, 1.0, 1.0) unless
otherwise stated.
[ 2790.959] (II) RADEON(0): mem size init: gart size :7dff000 vram size:
s:8000000 visible:7905000
[ 2790.959] (II) RADEON(0): EXA: Driver will allow EXA pixmaps in VRAM
[ 2790.959] (**) RADEON(0): Display dimensions: (470, 300) mm
[ 2790.959] (**) RADEON(0): DPI set to (43, 50)
In that case the initial resolution for the VGA output is the same as the one
for S-Video, which then results in this DPI value.
Having different DPI values on different screens still hasn't been addressed
upstream in X (also affects desktops; what happens if you move a window from
one screen to the other?). I suggest to disable S-Video if you don't need it to
workaround the issue. You need to add 'radeon.tv=0' as boot option to achieve
this.
Closing as upstream.
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