[Bug 111481] AMD Navi GPU frequent freezes on both Manjaro/Ubuntu with kernel 5.3 and mesa 19.2 -git/llvm9

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111481

--- Comment #93 from Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer at amd.com> ---
Created attachment 145734
  --> https://bugs.freedesktop.org/attachment.cgi?id=145734&action=edit
sdma read delay

Hi all,

Here's a new patch that should help with sdma issues.

This is not a replacement for https://patchwork.freedesktop.org/patch/335077/
nor https://bugs.freedesktop.org/show_bug.cgi?id=111481#c33 so ideally you
should have the 3 patches applied and the "AMD_DEBUG=nodma" workaround
disabled.

Let me know if it helps getting rid of the sdma timeout errors. Thanks!

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