Nouveau - Dec 2012 - [Bug 58784] New: Nouveau on NVCE, reclocking: memory type not supported?

https://bugs.freedesktop.org/show_bug.cgi?id=58784

          Priority: medium
            Bug ID: 58784
          Assignee: nouveau at lists.freedesktop.org
           Summary: Nouveau on NVCE, reclocking: memory type not
                    supported?
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: miga-anyandall at hotmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Driver/nouveau
           Product: xorg

Created attachment 72144
  --> https://bugs.freedesktop.org/attachment.cgi?id=72144&action=edit
lspci_output, nvce_strap_peek, nvce_timing_peek, nvce_bios.rom, and
nvce_vbios_parsed

I understand reclocking on Nouveau is very experimental still, but I figured I
might as well send in this bug report anyway.

On my NVCE (GTX 560 from EVGA), the standard (boot) clock speeds are 50 MHz
core, 100 MHz shader, and 135 MHz memory. Naturally because of this, OpenGL
performance is terrible (possibly worse than older Intel chips like the
4500HD), about 15-20 FPS in Red Eclipse and about 5 FPS in Xonotic.

I am able to reclock the card, however, upon doing so, it comes up with this
error in dmesg:
[11245.600378] nouveau E[     DRM] cannot reclock unsupported memtype

So, I'm able to get the GPU core and shader to run at their highest speeds
(850
MHz and 1701 MHz respectively), but the memory speed stays at 135 MHz (when it
should be at 2052 MHz). Even though I can change the clock speeds, after a
while, the card will crash, forcing me to have to reboot.

I'm also uploading things such as my lspci_output, nvce_strap_peek,
nvce_timing_peek, nvce_bios.rom, and nvce_vbios_parsed, so it'll hopefully
help
you guys out on getting things working.

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Ilia Mirkin <imirkin at alum.mit.edu> changed:

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Roy <r.spliet at student.tudelft.nl> changed:

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--- Comment #1 from Tobias Klausmann <tobias.klausmann at mni.thm.de> ---
is this still a problem with newer version of the kernel while booting with the
_experimental_ nouveau.pstate=1 and change the clocks at the pstate file
"echo 0f /sys/class/drm/{nvidia_card}/device/pstate" ?

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--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Tobias Klausmann from comment #1)
> is this still a problem with newer version of the kernel while booting with
> the _experimental_ nouveau.pstate=1 and change the clocks at the pstate
file
> "echo 0f /sys/class/drm/{nvidia_card}/device/pstate" ?
Yes, it is. There's no reclocking support on nvc0.

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--- Comment #3 from Wojciech Arabczyk <arabek at gmail.com> ---
Is there any chance to get this working? I volunteer to even burn my card for
the sake of testing stuff if you provide me with patches.

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--- Comment #4 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Wojciech Arabczyk from comment #3)
> Is there any chance to get this working? I volunteer to even burn my card
> for the sake of testing stuff if you provide me with patches.
No one has stepped up with the time (and effort) required to make it happen.

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--- Comment #5 from Wojciech Arabczyk <arabek at gmail.com>
---
> No one has stepped up with the time (and effort) required to make it
happen.
What kind of effort and knowledge would be needed to make it happen? Perhaps a
bounty? To my knowledge the 560 was/is a really popular graphics adapter
amongst the community.

According to the steam survey, 550/560/560 Ti are amongst top20 used cards
around the globe.

source: http://store.steampowered.com/hwsurvey/

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--- Comment #6 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Wojciech Arabczyk from comment #5)
> > No one has stepped up with the time (and effort) required to make it
happen.
> 
> What kind of effort and knowledge would be needed to make it happen?
a few $k for buying up lots of cards for testing, and probably 3-4 months of
full-time work for someone familiar with the project; add a month for someone
who isn't.

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Martin Peres <martin.peres at free.fr> changed:

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--- Comment #7 from Martin Peres <martin.peres at free.fr> ---
-- GitLab Migration Automatic Message --

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