[Bug 42920] Radeon with KMS and UMA works only up to 128MB

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=42920





--- Comment #5 from Alex Deucher <alexdeucher at gmail.com>  2012-03-14 15:02:42 ---
(In reply to comment #4)
> for 256MB, 512MB and 1024MB I get
> 
> [    6.301475] [drm] CONFIG_MEMSIZE: 0xffffffff
> 
> also I need a cold restart when changing UMA size in bios, otherwise it's not
> changed.
> 
> so is it a bios problem? should I try to complain to Asus? Is there an easy
> workaround? Like using manually vramlimit?

Looks like the bios is broken.  The vramlimit parameter should work.

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