[ltp] linux t41 consumes 2 watts on suspend

U Kuehn linux-thinkpad@linux-thinkpad.org
Fri, 19 Oct 2007 00:15:49 +0200


Marius Gedminas wrote:
> On Thu, Oct 18, 2007 at 10:27:41AM -0700, Dan Sawyer wrote:
>> It's loading something called radeon.
> 
> That's the DRI module for X.
> 
> You want radeonfb, which is the kernel framebuffer driver and which has
> the code to fix power usage during sleep.
> 
> IIRC I had to add radeonfb to my /etc/modules to get it to load on
> startup.
> 
Actually I recommend to compile it into the kernel. And make sure that
no other framebuffer device is loaded. Additional benefit is a 128x48
text console.

Cheers,
Ulrich