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AMDGPU Fixes For Linux 5.5 Include AMDKFD For PowerPC, Fix For Old ATI R100/R200 GPUs

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  • AMDGPU Fixes For Linux 5.5 Include AMDKFD For PowerPC, Fix For Old ATI R100/R200 GPUs

    Phoronix: AMDGPU Fixes For Linux 5.5 Include AMDKFD For PowerPC, Fix For Old ATI R100/R200 GPUs

    Following last week's big batch of DRM graphics driver updates for the Linux 5.5 merge window, AMD and the community engaging in Linux 5.5 testing have now sent in their first round of fixes for this next version of the Linux kernel...

    http://www.phoronix.com/scan.php?pag...ux-5.5-KFD-PPC

  • #2
    Still waiting when AMD fix powerplay bug on Vega56/64 which leads system into a frozen state.

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    • #3
      Originally posted by stalkerg View Post
      Still waiting when AMD fix powerplay bug on Vega56/64 which leads system into a frozen state.
      Does that bug cause the screen/graphics card to "turn off"? Or does it just freeze the card?

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      • #4
        Looks like flip patch didn't make it still: https://cgit.freedesktop.org/~agd5f/...382b1420ce0749

        And it's fixing a big number of GPU hangs on Navi.

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        • #5
          I suppose I can't expect a fully working RX5700 in the foreseeable future, can I?
          This has been my most recent ...erm... hiccup:
          https://gitlab.freedesktop.org/drm/amd/issues/929

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          • #6
            Originally posted by shmerl View Post
            Looks like flip patch didn't make it still: https://cgit.freedesktop.org/~agd5f/...382b1420ce0749

            And it's fixing a big number of GPU hangs on Navi.
            It's in:
            https://cgit.freedesktop.org/drm/drm...c41de9a386f5a2

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            • #7
              I mean it didn't land in the mainline yet?

              See: https://git.kernel.org/pub/scm/linux..._hwseq.c#n1037

              Is the plan to land it for 5.5. or it will also end up in 5.4 patches queue?

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              • #8
                Originally posted by shmerl View Post

                I mean it didn't land in the mainline yet?

                See: https://git.kernel.org/pub/scm/linux..._hwseq.c#n1037

                Is the plan to land it for 5.5. or it will also end up in 5.4 patches queue?
                It will land in Linus' master during the weekly subsystem updates and as soon as that happens, will also go to previous kernels.

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                • #9
                  Originally posted by agd5f View Post

                  It will land in Linus' master during the weekly subsystem updates and as soon as that happens, will also go to previous kernels.
                  Good to know, thanks!

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                  • #10
                    Out of curiosity does any one have experience with running ganged AMD graphics cards with Linux? If so how is it working and how hard is it to set up?

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