linux-kernel - Re: [PATCH] drm/etnaviv: Fix flush sequence logic

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Message-ID: <CAH9NwWeBKXbFkCydXq9mupAosVFS+Wvazq_Bmkt9D4CJNP5YNQ@mail.gmail.com>
Date: Wed, 7 May 2025 15:07:34 +0200
From: Christian Gmeiner <christian.gmeiner@...il.com>
To: Fabio Estevam <festevam@...il.com>
Cc: Tomeu Vizoso <tomeu@...euvizoso.net>, linux-kernel@...r.kernel.org, 
	Lucas Stach <l.stach@...gutronix.de>, Russell King <linux+etnaviv@...linux.org.uk>, 
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, etnaviv@...ts.freedesktop.org, 
	dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] drm/etnaviv: Fix flush sequence logic

> Hi Tomeu,
>
> On Wed, May 7, 2025 at 8:22 AM Tomeu Vizoso <tomeu@...euvizoso.net> wrote:
> >
> > We should be comparing the last submitted sequence number with that of
> > the address space we may be switching to.
> >
> > And we should be using the latter as the last submitted sequence number
> > afterwards.
> >
> > Signed-off-by: Tomeu Vizoso <tomeu@...euvizoso.net>
>
> Does this need a Fixes tag?

Yes - based on the READ_ONCE(..) line, it should be
Fixes: 27b67278e007 ("drm/etnaviv: rework MMU handling")

-- 
greets
--
Christian Gmeiner, MSc

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