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Thread: Nouveau Receives Greater Re-Clocking Support

  1. #1
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    Default Nouveau Receives Greater Re-Clocking Support

    Phoronix: Nouveau Receives Greater Re-Clocking Support

    The Linux 3.13 kernel has major power management and re-clocking changes -- including automatic fan management by default and initial support for Fermi/Kepler GPU core re-clocking -- and now separate from that work are some more re-clocking improvements. This time around the re-clocking work is for some older NVIDIA integrated/mobile graphics cores...

    http://www.phoronix.com/vr.php?view=MTUxMzQ

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    I believe that nvidia nouveau driver development is hopeless. Even AMD that supports open drivers officially is still lacking features for very old hardware (dpm and hdmi audio will be enabled by default in 3.13) and RadeonSi is still far far behind.

    How can someone hope that nouveau will be in parity with nvidia binary drivers in the future?

    Lets hope that nvidia will be supporting nvidia binary drivers for older hardware in this pace forever.

  3. #3
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    Yay. I'm sure it'll be a while before it's enabled by default, but my 13" 2009 MBP has a GF9400m which would eventually benefit from this.

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    Is this based on documentation released by NVidia?

    BTW, what happened after NVidia wrote to the Nouveau ML that they're
    now more open towards releasing "some" documentation on request?

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    Quote Originally Posted by verde View Post
    I believe that nvidia nouveau driver development is hopeless. Even AMD that supports open drivers officially is still lacking features for very old hardware (dpm and hdmi audio will be enabled by default in 3.13) and RadeonSi is still far far behind.

    How can someone hope that nouveau will be in parity with nvidia binary drivers in the future?

    Lets hope that nvidia will be supporting nvidia binary drivers for older hardware in this pace forever.
    Actually, if you bother reading Nouveau's documentation, the only things missing are power management (which is the big one), as well as OpenCL and SLI support. HDMI Audio is already DONE. Power management is going to be complete by mid next year at this rate (which is ahead of what I predicted by 1.5 years thanks to the NVIDIA Documentation) The Nouveau driver stack is going to rapidly gain ground on the closed drivers. The only lag point by the end of next year will be on OpenGL support and I'd be willing to bet money on that now.

  6. #6
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    Quote Originally Posted by verde View Post
    I believe that nvidia nouveau driver development is hopeless. Even AMD that supports open drivers officially is still lacking features for very old hardware (dpm and hdmi audio will be enabled by default in 3.13) and RadeonSi is still far far behind.

    How can someone hope that nouveau will be in parity with nvidia binary drivers in the future?

    Lets hope that nvidia will be supporting nvidia binary drivers for older hardware in this pace forever.
    In addition to what DMJC said, have you ever looked at the radeon todo list? Old hardware is almost completely supported, and as of today, supports more features than what the hardware was intended to when released. Consider the poor state that the radeon drivers were in prior to AMD's involvement, and I think it's pretty safe to say that the radeon drivers will be a very reasonable replacement to catalyst in a couple years.

  7. #7

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    Quote Originally Posted by verde View Post
    I believe that nvidia nouveau driver development is hopeless. [..] How can someone hope that nouveau will be in parity with nvidia binary drivers in the future?
    How come you say that _now_ that nouveau is finally about to get the one long awaited missing feature, reclocking support? When that one is done I'm pretty sure nouveau will for the first time be very usable to make use of the newer high end cards. Mesa will have opengl4 implemented very soon if they continue at their current pace..

    So maaaybe the performance with the nouveau driver will still be behind, but I could live with slightly lower FPS in exchange for sleeping well by using a free software graphics driver, having KMS, Optimus (at least for my notebook) etc. Of course, the performance improvements will only be a matter of some more time once everything else is covered. You can see that with the AMD drivers, which in my opinion will replace catalyst for a majority of users quite soon.

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    Quote Originally Posted by schmidtbag View Post
    In addition to what DMJC said, have you ever looked at the radeon todo list? Old hardware is almost completely supported, and as of today, supports more features than what the hardware was intended to when released. Consider the poor state that the radeon drivers were in prior to AMD's involvement, and I think it's pretty safe to say that the radeon drivers will be a very reasonable replacement to catalyst in a couple years.
    So in the same vein, the old nvidia hardware support should be pretty much complete already and the other hardware lines are catching up now. Hopefully we'll start seeing launch day support for any future nvidia hardware that comes out.

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    Quote Originally Posted by DeepDayze View Post
    So in the same vein, the old nvidia hardware support should be pretty much complete already and the other hardware lines are catching up now. Hopefully we'll start seeing launch day support for any future nvidia hardware that comes out.
    Not necessarily. The nouveau devs don't have a company backing them and a large percentage of what they accomplished was done through reverse engineering. This means that they could get a big chunk of features completed but lots of holes they won't be able to patch very easily. I haven't yet found a page for nouveau's progress, though I'd really like to see one.

  10. #10
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    AFAIK this is the nouveau equivalent to RadeonFeature :

    http://nouveau.freedesktop.org/wiki/FeatureMatrix/

    Don't know how accurate it is... last update was September so presumably won't reflect recent changes.

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