[Openchrome-users] OpenChrome driver and power saving

[Jon Nettleton]

On Tue, 2007-05-22 at 01:10 +0400, Andrey Melentyev wrote:
> Thank you, Jon.
> Enabling this option in xorg.conf reduced wakeups caused by openChrome driver 
> to zero value. So my laptop power usage has been lowered a little bit.
> 
> Does this option mean, that DRI won't actually work at the moment? OpenGL 
> applications give me warning: 
> 
> do_wait: drmWaitVBlank returned -1, IRQs don't seem to be working correctly.
> Try running with LIBGL_THROTTLE_REFRESH and LIBL_SYNC_REFRESH unset.

DRI will run, just not as fast as with IRQ's enabled.  I looked briefly
at some of the intel stuff, and I should be able to implement their
solution into our driver. 

Thanks for testing.
Jon

> 
> > My KM400 chipset requires the DisableIRQ option to be set, so I don't
> > see this.  I am not sure which chipsets can successfully use this
> > setting.  You can give it a try and report back.
> >
> > Jon
> 
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