(In reply to atirage21 from comment #15)
> Created attachment 140332 [details]
> attachment-14056-0.html
> 
> In live ubuntu 18.04 with kernel 4.15
> 
> Only boot frequency of core
> sudo cat /sys/kernel/debug/dri/0/pstate
> 
> 
> 
> 07: core 405 MHz memory 810 MHz
> 0f: core 405 MHz memory 1800 MHz
> AC: core 405 MHz memory 648 MHz
> 
> 
> 2018-06-25 14:51 GMT+00:00 Attila Tóth <tothsoft@gmail.com>:
> 
> > Not truth!  I see only 405 MHz of core in newer kernel 4.x in
> >
> > /sys/kernel/debug/dri/<number>/pstate. It was first argument for me, that something is not good compared to kernel 3.19.
> >
> >
> >
> > 2018-06-25 16:25 GMT+02:00 <bugzilla-daemon@freedesktop.org>:
> >
> >> *Comment # 13 <https://bugs.freedesktop.org/show_bug.cgi?id=107016#c13>
> >> on bug 107016 <https://bugs.freedesktop.org/show_bug.cgi?id=107016> from
> >> Roy <nouveau@spliet.org> *
> >>
> >> (In reply to atirage21 from comment #12 <https://bugs.freedesktop.org/show_bug.cgi?id=107016#c12>)> Created attachment 140326 [details] <https://bugs.freedesktop.org/attachment.cgi?id=140326> [details] <https://bugs.freedesktop.org/attachment.cgi?id=140326&action=edit>
> >> > attachment-20771-0.html
> >> >
> >> > But also is question: Why i had only 405 Mhz of core under kernel 4.x,
> >> > if under kernel 3.19 was more options to see (and same more options is
> >> > with propretiary driver):
> >> >
> >> > [    4.311074] nouveau  [     CLK][0000:01:00.0] 07: core 270-405 MHz
> >> > memory 810 MHz
> >> > [    4.311090] nouveau  [     CLK][0000:01:00.0] 0f: core 270-745 MHz
> >> > memory 1800 MHz
> >> > [    4.311233] nouveau  [     CLK][0000:01:00.0] --: core 405 MHz memory 648
> >> > MHz
> >> >
> >>
> >> That's just reduced verbosity of the driver in newer kernels. There's no need
> >> to report that during boot, just clutters the log. You'll find all those
> >> entries in /sys/kernel/debug/dri/<number>/pstate.
> >>


Nvidia xserver setting have clock from 135-405 and from 135 - 745 Mhz of clock
(see attachment)