When using linux-next-20100305 with drm/radeon/kms, the LVDS panel of my laptop (Dell Studio 17) gets blank, and occasionally displays some brief artifacts when the KDM login screen supposed to pop up.
Maybe it needs some quirks (as Alex Daucher did for Dell Studio 15) ?
Does radeon.new_pll=0 fix it?
(In reply to comment #1)
> Does radeon.new_pll=0 fix it?
No it doesn't, same result.
Note that KMS with mainline 2.6.33 is OK. Seems to occur since recent merges in linux-next.
Can you attach the output of lspci -vnn and your video bios? To dump your video bios do the following (as root):
cd /sys/bus/pci/devices/<pci bus id>
echo 1 > rom
cat rom > /tmp/vbios.rom
echo 0 > rom
Created attachment 33822 [details]
requested vbios dump
Created attachment 33823 [details]
Somehow I cannot reproduce with 2.6.34rc1, or even with next + glisse/drm-next.
I am closing the bug report.