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

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Date:   Wed, 17 Nov 2021 19:09:00 -0800
From:   Rob Clark <robdclark@...il.com>
To:     Steev Klimaszewski <steev@...i.org>
Cc:     Christian König <christian.koenig@....com>,
        Amit Pundir <amit.pundir@...aro.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Daniel Vetter <daniel@...ll.ch>,
        linux-arm-msm <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 Wed, Nov 17, 2021 at 5:23 PM Steev Klimaszewski <steev@...i.org> wrote:
>
>
> 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?

these should be for v5.16

BR,
-R