[PATCH] drm/radeon: remove init of CIK VMIDs 8-16 for amdkfd

[Deucher, Alexander]

I'll add it to my -fixes branch.

________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Michel Dänzer <michel at daenzer.net>
Sent: Wednesday, November 29, 2017 11:57:26 AM
To: Oded Gabbay
Cc: Deucher, Alexander; deathsimple at vodafone.de; amd-gfx at lists.freedesktop.org
Subject: Re: [PATCH] drm/radeon: remove init of CIK VMIDs 8-16 for amdkfd

On 2017-11-29 04:23 PM, Oded Gabbay wrote:
> VMIDs 8-16 in Kaveri were reserved for use by the amdkfd driver.
> Because we removed amdkfd support from radeon, those VMIDs are now
> used by radeon and are initialized by radeon.
>
> This patch removes the function that initialized those VMIDs for amdkfd
> use.
> This initialization overridden the radeon initialization and caused GPU
> faults and GUI crashed.
>
> This bug was found by Michel Dänzer.
>
> Signed-off-by: Oded Gabbay <oded.gabbay at gmail.com>

Pushed to our internal amd-staging-drm-next branch, with some
modifications to the tags in the commit log, thanks!


Alex, this needs to go into 4.15.


--
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer
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