gta02 framebuffer decay on suspend

Sean McNeil sean at
Sat May 31 21:55:18 CEST 2008

Andy Green wrote:
> Somebody in the thread at some point said:
> | The longer I have a gta02 suspended to ram, the more decay I see in the
> | framebuffer when I resume. Is there a way to force a refresh of this in
> | hardware registers or at the device layer? Is this the glamo or the 410
> | framebuffer?
> This is Glamo internal memory not getting refresh.
> On resume, X should redraw; for true framebuffer nobody takes
> responsibility for it.  We can dump the framebuffer to CPU RAM in
> suspend and spam it back on resume, but it will delay both actions.
> -Andy
I'm not using X. I'm using something else. So it must be the glamo with 
video RAM from our comment as it looked like the 410 used ram for the 
framebuffer already.

More information about the openmoko-kernel mailing list