drm/amdgpu: invalidate L2 before SDMA IBs (on gfx10)

[Marek Olšák]

Not without a mandatory firmware update. The gcr packet support for IBs was
added into the sdma firmware just two weeks ago.

Marek

On Sat., Apr. 25, 2020, 11:04 Christian König, <
ckoenig.leichtzumerken at gmail.com> wrote:

> Could we do this in userspace as well?
>
> Am 25.04.20 um 10:52 schrieb Marek Olšák:
>
> This should fix SDMA hangs on gfx10.
>
> Marek
>
> _______________________________________________
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>
>
>
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