[Bug 20752] [KMS] radeon not working reliable with X1300

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=20752





--- Comment #4 from Torsten Krah <tkrah@fachschaft.imn.htwk-leipzig.de>  2010-10-20 09:00:59 ---
Thanks Alex for those hints.
radeon.new_pll=0 makes the first problem go away, no screen blanking anymore
yet.
The second one is still there - not that often as before the adding the pll
boot parameter but still there.
Using your second hint with xrandr --output DVI-0 --set coherent 0 seems to
help with this, no more black lines on my screen. Nice.

I'll report again in one or two days of working if the problems are really gone
- but the first impression looks promising - using both, new_pll=0 and xrandr
coherent = 0 seems to make things work.

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