[Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34534

--- Comment #8 from Alex Deucher <agd5f at yahoo.com> 2011-04-08 08:56:06 PDT ---
Can you dump the following registers in both the working and non-working states
using radeonreg or avivotool
(http://cgit.freedesktop.org/~airlied/radeontool/)?
You only need to dump the set that aligns to whichever crtc you are using for
the problematic monitor (probably crtc 0 if you have just one monitor
attached).  'xrandr --verbose' will tell you which crtc is in use.


crtc0:
radeonreg regmatch 0x0bf0
radeonreg regmatch 0x0bf4
radeonreg regmatch 0x6b18
radeonreg regmatch 0x6b1c
radeonreg regmatch 0x6b0c

crtc 1:
radeonreg regmatch 0x0c00
radeonreg regmatch 0x0c04
radeonreg regmatch 0x7718
radeonreg regmatch 0x771c
radeonreg regmatch 0x770c

crtc 2:
radeonreg regmatch 0x0c10
radeonreg regmatch 0x0c14
radeonreg regmatch 0x10318
radeonreg regmatch 0x1031c
radeonreg regmatch 0x1030c

crtc 3:
radeonreg regmatch 0x0c20
radeonreg regmatch 0x0c24
radeonreg regmatch 0x10f18
radeonreg regmatch 0x10f1c
radeonreg regmatch 0x10f0c

crtc 4:
radeonreg regmatch 0x0c30
radeonreg regmatch 0x0c34
radeonreg regmatch 0x11b18
radeonreg regmatch 0x11b1c
radeonreg regmatch 0x11b0c

crtc 5:
radeonreg regmatch 0x0c40
radeonreg regmatch 0x0c44
radeonreg regmatch 0x12718
radeonreg regmatch 0x1271c
radeonreg regmatch 0x1270c

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