On Mon, Jun 4, 2012 at 12:29 PM, Lauri Kasanen <cand@xxxxxxx> wrote: > On Mon, 04 Jun 2012 18:18:10 +0200 > Christian König <deathsimple@xxxxxxxxxxx> wrote: >> > My experience is that things that are true today for GPU, are not >> > tomorrow. Yes there will still be clock/voltage, but there could be >> > new complete different things, like shutting down block. >> > >> > I am not even mentioning things like complex value range dependency >> > btw things (for instance if a domain as clock/voltage in certain range >> > than some other domain can only have clock in a restricted range >> > value). >> > >> > While i agree that sysfs looks easy for user to play with, i believe >> > that gui is what you really after and afaik closed source driver all >> > expose a gui for their power management. Using ioctl allow better >> > overall control, like atomic setting of several domain ... >> >> Yeah, I think Jerome is right here. >> >> The internals like different voltage areas, dependencies of clocks, >> possible powered down chip areas, etc are very complex and actually >> completely unteresting to the end user. Also the general direction of >> AMD hardware is going to a complete self containing system, e.g. the >> chip is handling mostly everything on its own. >> >> I agree that this is better done in a hardware dependent ioctl and then >> abstracted in userspace instead of pushing the whole abstraction into >> the kernel. > > Hi > > As long as the info is made available better than it is currently, I'm all for it. > > Though with the direction of ioctl and folks, it is deep outside my expertise. With a deep solution like that someone who knows the area well would need to do it. > > - Lauri My dream here is to talk with the gnome folks to have them make some kind GPU module we could write and that would show in control center. I just need to corner some of my gnome coworker to work something out. So if you were using nouveau you would a nouveau specific control center entry where there could be nouveau specific information (clock voltage) and control. Same for radeon, intel ... Cheers, Jerome _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
