W dniu 3 grudnia 2009 11:20 użytkownik Jerome Glisse
<gli...@freedesktop.org> napisał:
> The first design i thought for PM long time ago was :
> func_compute_clock
> func_set_clock
> func_irq_powersave
>
> func_compute_clock is call any time there is a mode change to
> compute new minimum clock.
>
> func_set_clock is call after func_compute_clock (if we need to
> upclock gpu to have enough bandwidth for a new video mode) or
> from func_irq_powersave. func_set_clock would have to take all
> necessary lock to ensure exclusive hw access.
>
> func_irq_powersave is the function responsible for downclocking
> or not the GPU, it's call from irq handler, and it would call
> func_set_clock to do the work if necessary

Do you think it's alright to do modeset on downclocked GPU? With my
patch I upclocked before every modeset operation, but not sure anymore
if that is necessary...

-- 
Rafał

------------------------------------------------------------------------------
Return on Information:
Google Enterprise Search pays you back
Get the facts.
http://p.sf.net/sfu/google-dev2dev
--
_______________________________________________
Dri-devel mailing list
Dri-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/dri-devel

Reply via email to