[Bug 61811] kms mode breaks when using radeon.agpmode=-1

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=61811

Dieter Nützel <Dieter at nuetzel-hh.de> changed:

           What    |Removed                     |Added
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                 CC|                            |Dieter at nuetzel-hh.de

--- Comment #8 from Dieter Nützel <Dieter at nuetzel-hh.de> ---
(In reply to Alex Deucher from comment #6)
> Can you bisect?

Hello Alex,

I'll try 'cause I get the same with clean 3.12-rc2 +
0001-drm-radeon-avoid-UVD-corruption-on-AGP-cards-using-G.patch

radeon.agpmode=8 works as before, but
radeon.agpmode=-1 gave

[-]
[   10.958649] radeon: `-1' invalid for parameter `agpmode'
[   11.515274] radeon: `-1' invalid for parameter `agpmode'
FATAL: Error inserting radeon
(/lib/modules/3.12.0-rc2-1-desktop/kernel/drivers/gpu/drm/radeon/radeon.ko):
Invalid argument

Welcome to openSUSE 12.3 "Dartmouth" - Kernel 3.12.0-rc2-1-desktop (tty1).
[-]

Your drm-fixes-3.12 (3.11.0-rc7 in reality) +
0001-drm-radeon-avoid-UVD-corruption-on-AGP-cards-using-G.patch
works like a charm.

Any point to start without git-tree?

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