I've already pushed the patch and marked it for stable.

I added a note into the commit message to discard the version bump for
stable.

The GCR packet is always supported in the ring regardless of firmware.

Marek

On Mon, Apr 27, 2020 at 9:01 AM Deucher, Alexander <
alexander.deuc...@amd.com> wrote:

> [AMD Official Use Only - Internal Distribution Only]
>
> Please split the patch into two, one to update the emit IB sequence, and
> one to bump the minor version.  That way we can make sure older kernels get
> the new sequence.  Also do we need an sdma fw version check for the new
> packet in the emi IB function?
>
> Alex
> ------------------------------
> *From:* amd-gfx <amd-gfx-boun...@lists.freedesktop.org> on behalf of
> Christian König <christian.koe...@amd.com>
> *Sent:* Sunday, April 26, 2020 4:52 AM
> *To:* Marek Olšák <mar...@gmail.com>
> *Cc:* amd-gfx mailing list <amd-gfx@lists.freedesktop.org>
> *Subject:* Re: drm/amdgpu: invalidate L2 before SDMA IBs (on gfx10)
>
> Thought so, we should try to get this get it committed ASAP. And maybe add
> a CC: stable tag as well.
>
> Patch is Reviewed-by: Christian König <christian.koe...@amd.com>
> <christian.koe...@amd.com>.
>
> Thanks,
> Christian.
>
> Am 26.04.20 um 02:28 schrieb 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.leichtzumer...@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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