linux-kernel - Re: [PATCH] drm/scheduler: fix drm_sched_job_add_implicit

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Message-ID: <0336e09d-59c4-3155-434a-0b04fda15bb6@kali.org>
Date:   Wed, 17 Nov 2021 19:23:17 -0600
From:   Steev Klimaszewski <steev@...i.org>
To:     Christian König <christian.koenig@....com>,
        Amit Pundir <amit.pundir@...aro.org>,
        Rob Clark <robdclark@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, Daniel Vetter <daniel@...ll.ch>,
        linux-arm-msm@...r.kernel.org, Rob Clark <robdclark@...omium.org>,
        Andrey Grodzovsky <andrey.grodzovsky@....com>,
        David Airlie <airlied@...ux.ie>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/scheduler: fix
 drm_sched_job_add_implicit_dependencies harder


On 11/17/21 1:27 AM, Christian König wrote:
> Am 16.11.21 um 19:30 schrieb Amit Pundir:
>> On Tue, 16 Nov 2021 at 21:21, Rob Clark <robdclark@...il.com> wrote:
>>> From: Rob Clark <robdclark@...omium.org>
>>>
>>> drm_sched_job_add_dependency() could drop the last ref, so we need 
>>> to do
>>> the dma_fence_get() first.
>>>
>> It fixed the splats I saw on RB5 (sm8250 | A650). Thanks.
>>
>> Tested-by: Amit Pundir <amit.pundir@...aro.org>
>
> I've added my rb, pushed this with the original fix to drm-misc-fixes 
> and cleaned up the obvious fallout between drm-misc-fixes and 
> drm-misc-next in drm-tip.
>
> Thanks for the help and sorry for the noise,
> Christian.
>
I've run into this splat on the Lenovo Yoga C630 on 5.16-rc1 - are these 
2 patches (which fix it) going to be heading to 5.16 or were they 
targeted at 5.17?

-- steev