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  • AMD Hybrid Graphics For Linux?

    Phoronix: AMD Hybrid Graphics For Linux?

    At CeBIT 2008 in Germany, AMD today announced the 780 Series Chipset. This budget-minded motherboard chipset, which is compatible with Quad-Core Phenom CPUs but a step-down from the 790FX Chipset, takes on gaming and high-definition computing for mainstream PC users on both the desktop and mobile platforms...

    http://www.phoronix.com/vr.php?view=NjM3Mw

  • #2
    Interesting technology, and if it really gives 70% speed increase that's a great option for people with too much money
    However, if it's just 70% more than a normal IGP (which is much slower than a normal graphics card), instead of 70 % faster than a
    normal graphics card, this won't bring us much...
    And for Linux I fear we won't see any CrossFire support ever, as there just too few people who have 2 graphics cards. It just
    wouldn't be worth the effort to implement some crappy crossfire support and then stabilize it if it's going to be taken over by
    Hybrid Graphics anyways.

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    • #3
      The reality is, the R500 derived parts would be vertex shader crippled (as in NONE...)- which is where a substantive part of the slowness comes from in many of the cases. Adding a second Crossfire-like GPU configuration would be a waste of resources in the large.

      With the R600 series cores, however, we're talking unified shaders- this means with Hybrid Graphics you're piling more shaders on top of the ones you already have when you're doing it (But who's the master card and who's the supplier of the extra shader pool?). Not knowing a bit more about what they're doing here in this case, I can't see the claims they're making- but it's conceivable that they're telling the truth here.

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      • #4
        UVD Support

        The thing that interests me about the 780G is the potential for low power HTPC. It sounds like the UVD video playback acceleration won't be available in the open source driver, but how about the fglrx driver? Will Linux users be able to use UVD with the closed source driver?

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        • #5
          Originally posted by barthawk View Post
          Will Linux users be able to use UVD with the closed source driver?
          Not quite yet, at least...
          Michael Larabel
          http://www.michaellarabel.com/

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          • #6
            Originally posted by Michael View Post
            Not quite yet, at least...
            Sounds like there is hope! Are there any discussions of when?

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            • #7
              Let's just get working basic card support and get the numerous old bugs ironed out on the ATI's drivers before looking to complicate it more. You have to learn to walk before you can run.

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              • #8
                I'd have to concur there...

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                • #9
                  Is there actually anything holding back nVidia/ATI with making drivers that do SLI/XFire? Is it something to do with the way Linux works, or more likely a case of apathy (and blaming it on lack of demand)?

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                  • #10
                    Originally posted by Moustacha View Post
                    Is there actually anything holding back nVidia/ATI with making drivers that do SLI/XFire? Is it something to do with the way Linux works, or more likely a case of apathy (and blaming it on lack of demand)?

                    NVIDIA already does SLI on Linux.
                    Michael Larabel
                    http://www.michaellarabel.com/

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                    • #11
                      Hybrid Graphics is definitely neat, but 780 brings a lot more to the table than that. For people building quiet, low-power, and SFF systems - or even just low-cost systems - this chipset paired with an HE Athlon processor looks very promising.

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                      • #12
                        Yup my money would be on Nvidia Hybrid to be supported in the next official drivers maybe a year or two for ATI.

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                        • #13
                          I am not sure this post will be read by anyone at this point. But I am wondering if there was any progress in this regard? Wikipedia seems to indicate that Hybrid graphics are still unsupported in Linux:

                          http://en.wikipedia.org/wiki/Linux_Hybrid_Graphics

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                          • #14
                            I'm interested, too!
                            Especially because this feature is not supported under Windows XP as far as I know. PowerXpress is one feature which I _really_(!!!) WANT to see! I dont know which stupid engineer, PR guy or manager decided to let this die, but he needs to get fired!

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                            • #15
                              Especially with all the talk about global warming and all, who needs to have a 200 processor GPU heating up a room while reading the news? ;-)

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