[ltp] Re: Framebuffer console on a X300 (Intel GM965/GL960)

wes schreiner linux-thinkpad@linux-thinkpad.org
Thu, 04 Dec 2008 15:12:26 -0600


Rolf Kutz wrote:
> On 04/12/08 13:11 -0600, wes schreiner wrote:
>> Kiko Piris wrote:
>>> Has anyone with a X300 (or any other laptop with a graphics card like
>>> mine and a 1440x900 display) got framebuffer console to work at the
>>> displays resolution? How did you do it?
>>
>> Try this boot parameter:
>>
>> "video=intelfb:xres:1440,yres:900,depth:32,left:232,right:80,hslen:152,upper:28,lower:1,vslen:3,pixclock:9392" 
>>
> 
> How did you calculate these parameters? How would
> you calculate them for a 1024x768 display?

Start with values in /etc/fb.modes, then see man 5 fb.modes. Experiment 
with fbset. Use fbset -move to tweak the timings and read them with 
fbset -i.

wes