linux-kernel - Re: [PATCH v2 07/22] drm/msm: Do rpm get sooner in the submit path

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Date:   Wed, 18 Nov 2020 10:58:29 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Rob Clark <robdclark@...il.com>
Cc:     Daniel Vetter <daniel@...ll.ch>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Rob Clark <robdclark@...omium.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <linux-arm-msm@...r.kernel.org>,
        "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <freedreno@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>,
        "Menon, Nishanth" <nm@...com>
Subject: Re: [PATCH v2 07/22] drm/msm: Do rpm get sooner in the submit path

On 17-11-20, 09:02, Rob Clark wrote:
> With that on top of the previous patch,

Don't you still have this ? Which fixed the lockdep in the remove path.

https://lore.kernel.org/lkml/20201022080644.2ck4okrxygmkuatn@vireshk-i7/

To make it clear you need these patches to fix the OPP stuff:

//From 5.10-rc3 (the one from the above link).
commit e0df59de670b ("opp: Reduce the size of critical section in _opp_table_kref_release()")

//Below two from linux-next
commit ef43f01ac069 ("opp: Always add entries in dev_list with opp_table->lock held")
commit 27c09484dd3d ("opp: Allocate the OPP table outside of opp_table_lock")

This matches the diff I gave you earlier.

-- 
viresh