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Thread: The AMD R600 Gallium3D Driver Is Becoming Quite Fit

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  1. #1
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    Default The AMD R600 Gallium3D Driver Is Becoming Quite Fit

    Phoronix: The AMD R600 Gallium3D Driver Is Becoming Quite Fit

    One of the features of the soon-to-be-released Mesa 7.11 is a much more mature ATI/AMD Radeon "R600g" Gallium3D driver. This driver has received much work over the past six months and is becoming quite fit...

    http://www.phoronix.com/vr.php?view=OTU0MA

  2. #2
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    It's a shame that the article forgot to name Dave Arlie since he is *the* one working on it continuously.

    Of course, independent contributors sometimes commit patches. Especially Henri Verbeet worked quite a lot during this spring, as well as Christian Konig.

    Marek implemented all the ogl functions in not just mesa/gallium but in r600g, too.

    Unfortunately, Alex seems to only add new chips and fix some bugs, occasionally. However, I think he tends to work more on the kernel and ddx side, hence I'm definitely not saying he's lazy.

    It's a real pity that Jerome is not as active this year as he was in the previous one. He's probably working on something else or he'll just come with something big one day.

    Big kudos and thanks to all contributors! Your work is very much appreciated!

  3. #3
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    Too bad power management is lagging behind, I can't switch to R600(g) on my laptop yet: even with the profile set on "low" my GPU heats up to a stunning 70 C (pushing the system temperature well beyond 40 C, too hot to work on) while Catalyst manages to keep it at a "refreshing" 55 C (with a respective system temperature of about 27 C).

    Other than that it's nice to see the driver progressing

  4. #4
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    Quote Originally Posted by maleadt View Post
    Too bad power management is lagging behind, I can't switch to R600(g) on my laptop yet...
    Exactly the same situation over here...

  5. #5
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    Quote Originally Posted by maleadt View Post
    Too bad power management is lagging behind, I can't switch to R600(g) on my laptop yet: even with the profile set on "low" my GPU heats up to a stunning 70 C (pushing the system temperature well beyond 40 C, too hot to work on) while Catalyst manages to keep it at a "refreshing" 55 C (with a respective system temperature of about 27 C).

    Other than that it's nice to see the driver progressing
    Full ACK! The power management in catalyst is the only reason why I use it. In regards to everything else the open driver gives a superior user experience and desktop performance (at least on my hd 4890 since it has enough power to compensate most weaknesses with regards to 3D). Unfortunately this chip produces a lot of heat when it is not fully throttled down. The "low" setting in radeon power management works great but it's still a long way to the blob.

  6. #6
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    The power management is handled by kernel, nothing to do with Gallium3D.

    Quote Originally Posted by LibertyZero View Post
    The "low" setting in radeon power management works great but it's still a long way to the blob.
    Just to know, what is your GPU and MEMORY timing while in 'low' mode ? And voltage ?
    Because, in my case (RV770), 'low' mode freeze my system. I want to know if there is a real difference between 'low' and 'mid'.

  7. #7
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    Well I have a HD4330 and I've been using the R600g driver on my laptop for several months now. I keep the power profile on low and the battery life is only ~10 minutes shorter than with catalyst.

    GPU temp idles around 55C, system temp around 40C, both of which are -IMHO- damn good.

  8. #8
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    Quote Originally Posted by whitecat View Post
    The power management is handled by kernel, nothing to do with Gallium3D.


    Just to know, what is your GPU and MEMORY timing while in 'low' mode ? And voltage ?
    Because, in my case (RV770), 'low' mode freeze my system. I want to know if there is a real difference between 'low' and 'mid'.
    Tell me how to read the values and I'll post them (Radeon 5870 here)

    David

  9. #9
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    Quote Originally Posted by whitecat View Post
    Just to know, what is your GPU and MEMORY timing while in 'low' mode ? And voltage ?
    Because, in my case (RV770), 'low' mode freeze my system. I want to know if there is a real difference between 'low' and 'mid'.
    mid profile:
    default engine clock: 850000 kHz
    current engine clock: 800000 kHz
    default memory clock: 975000 kHz
    current memory clock: 975000 kHz
    voltage: 1313 mV

    low profile:
    default engine clock: 850000 kHz
    current engine clock: 500000 kHz
    default memory clock: 975000 kHz
    current memory clock: 975000 kHz
    voltage: 923 mV

    but remember that my chip is RV790

    EDIT:
    Quote Originally Posted by whitecat View Post
    The power management is handled by kernel, nothing to do with Gallium3D.
    I guess nobody here would claim otherwise. But the shift of the topic over to power management in this thread is really nice too see, since this shows how high quality r600g has become.
    Last edited by LibertyZero; 06-17-2011 at 09:50 AM.

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