Bug#661943: xserver-xorg-video-radeon: Unable to set native resolution with KMS enabled

Felix Miata mrmazda at earthlink.net
Thu Mar 8 13:54:56 PST 2012


On 2012/03/08 12:10 (GMT-0500) Felix Miata composed:

> On 2012/03/08 11:56 (GMT-0500) Christopher Dow composed:

>>  Thanks for the suggestion.  However, I think this is actually an issue
>>  that is deeper than X since it appears that it also affects the
>>  framebuffer.

> I forgot to address this. What's on your kernel cmdline? Which display is
> your #1?

> If the 1680x1050 is on #1, you probably need 'video=1680x1050' on cmdline,
> but even video=1600x900 may work better than nothing. vga= on cmdline has no
> impact after init progresses significantly as long as KMS is in effect.

Sheesh. :-p With refresh rate trouble like you have, video=1680x1050 likely 
wouldn't be enough. It should be video=1680x1050 at 60 or video=1680x1050 at 75 or 
whatever the display supports that you want KMS to produce.
-- 
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