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Fedora 19 Readies AMD "RadeonSI" Driver

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  • Ericg
    replied
    Originally posted by RahulSundaram View Post
    Not quite. Fedora kernel is fairly close to upstream releases and can get more than one major release because backporting security and bug fixes is too much work for Fedora kernel maintainers. KDE has one major update because it is out of sync with Fedora releases and Mesa gets backported as necessary. The general guidelines and exceptions are at

    https://fedoraproject.org/wiki/Updates_Policy
    Huh... Actually did not know that. I knew KDE got the one major release, I just assumed that THAT was just general policy-- N+1. Actually glad to see I was wrong thanks for the correction Rahul.

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  • RahulSundaram
    replied
    Originally posted by Ericg View Post
    Everything in Fedora gets 1 major upgrade in that release's lifetime. From kernel to mesa to KDE. So they could ship mesa 9.1 and upgrade to 9.2 upon release. Same with kernel, they'll ship 3.9 and upgrade to 3.10. But not 3.11 (or 4.0 depending on how Linus is feeling)
    Not quite. Fedora kernel is fairly close to upstream releases and can get more than one major release because backporting security and bug fixes is too much work for Fedora kernel maintainers. KDE has one major update because it is out of sync with Fedora releases and Mesa gets backported as necessary. The general guidelines and exceptions are at

    https://fedoraproject.org/wiki/Updates_Policy

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  • r1348
    replied
    Originally posted by Ericg View Post
    Everything in Fedora gets 1 major upgrade in that release's lifetime. From kernel to mesa to KDE. So they could ship mesa 9.1 and upgrade to 9.2 upon release. Same with kernel, they'll ship 3.9 and upgrade to 3.10. But not 3.11 (or 4.0 depending on how Linus is feeling)
    Not necessarily, F18 shipped with kernel 3.6 and they already updated all the way to 3.8.5

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  • ChrisXY
    replied
    Mesa in Archlinux already "ships" with radeonsi and with xf86-video-ati ships with glamor enabled, by the way.

    Leave a comment:


  • chithanh
    replied
    Originally posted by fa5hion View Post
    Hmmm. F19 already already seems to have xorg 1.14.0., but according to https://bugs.freedesktop.org/show_bug.cgi?id=58910, glamor still fails to build with 1.14.0.
    glamor builds fine on Gentoo with xorg 1.14.0 and mesa-9.1.1, so the problem could be Mandriva specific.

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  • Ericg
    replied
    Originally posted by chithanh View Post
    The kernel is in the rolling release part of Fedora anyway.
    They would have to patch mesa-9.1 to build against llvm-3.3 so that combination does not make much sense. So they probably either ship mesa-9.1 and patched llvm-3.2, or mesa-9.2 git snapshot and llvm-3.3 svn snapshot.

    The latter seems not unlikely to me, as not so many Fedora packages besides Mesa depend on LLVM (opengtl, dragonegg, anything else?).
    Everything in Fedora gets 1 major upgrade in that release's lifetime. From kernel to mesa to KDE. So they could ship mesa 9.1 and upgrade to 9.2 upon release. Same with kernel, they'll ship 3.9 and upgrade to 3.10. But not 3.11 (or 4.0 depending on how Linus is feeling)

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  • chithanh
    replied
    Originally posted by fa5hion View Post
    Has it already been decided which versions of mesa / kernel / llvm Fedora plans to ship with F19?
    Maybe pre 9.2/10, 3.9, pre 3.3?
    The kernel is in the rolling release part of Fedora anyway.
    They would have to patch mesa-9.1 to build against llvm-3.3 so that combination does not make much sense. So they probably either ship mesa-9.1 and patched llvm-3.2, or mesa-9.2 git snapshot and llvm-3.3 svn snapshot.

    The latter seems not unlikely to me, as not so many Fedora packages besides Mesa depend on LLVM (opengtl, dragonegg, anything else?).

    Leave a comment:


  • bridgman
    replied
    AFAIK most distros (perhaps all) have only been enabling KMS support for SI, along with the shadowfb-based "modesetting" X driver (no HW acceleration) and a software-rendering GL driver (ditto).

    The point of the article AFAIK is that F19 will be enabling both X (via Glamor) and GL acceleration by default. The potentially confusing thing is that Jerome's specific request related only to the addition of Glamor, presumably since Mesa is already part of Fedora while the article talked about accelerating both X and GL.

    The reason that GL doesn't get accelerated without X acceleration is that putting the frame buffer in GPU memory (to make GL acceleration fast) has the unfortunate side effect of making software-rendered X really slow (much slower than the shadowfb logic used in the "modesetting" driver. If X rendering is also being done by the GPU then you don't have that problem.
    Last edited by bridgman; 03-29-2013, 12:57 PM.

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  • Ancurio
    replied
    Originally posted by bridgman View Post
    I would have expected GL acceleration as well. Did you find a statement that only X was going to be accelerated ?
    I didn't say "only X". I initially thought the article was about "accelerated SI drivers" in general,
    but realized it was specifically about leveraging the existing work through glamor to benefit X from it as well.
    Or did I miss something again?

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  • Ericg
    replied
    Originally posted by Ancurio View Post
    When we talk about "accelerated" support, what does that mean in concrete?
    30% of the binary bob performance?

    Edit: My bad, I misunderstood the article. What is meant with "accelerated" is Xorg itself through glamor.
    The last time one of the ATI devs posted here on the forums he said quite bluntly that games were working just fine under RadeonSI. I see no reason to believe that F19 would ship with anything less.

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