[Bug 62771] Screen turns to coloured snowstorm (or blanks) when KMS kicks in

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=62771

--- Comment #7 from Daniel Vetter <daniel at ffwll.ch> ---
This is _really_ strange. Both dumps have apparently no mode configured at all.
The message about the lack of debugfs is ok for the nomodeset case, we only
need that to ask the kernel to wake up the gpu. If you don't use kms, that's
not required.

Can you try to install the vesa X driver and use that one to adjust the modes
with xrandr (obviously requires that kms is disabled). Then pls grab a two reg
dumps for different modes.

This is just to figure out where exactly the failure is, since according to the
reg dumps here neither kms nor non-kms should work at all ...

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