linux-kernel - Re: [PATCH 1/3] drm/stm: drv: fix suspend/resume

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Message-ID: <CACvgo52tK2Gaz7wzJ0Cw1rKsTog6PbGF4G8at=cO-oyiEZ4EUg@mail.gmail.com>
Date:   Fri, 21 Jun 2019 15:53:32 +0100
From:   Emil Velikov <emil.l.velikov@...il.com>
To:     Yannick FERTRE <yannick.fertre@...com>
Cc:     Philippe CORNU <philippe.cornu@...com>,
        Benjamin GAIGNARD <benjamin.gaignard@...com>,
        Vincent ABRIOU <vincent.abriou@...com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        ML dri-devel <dri-devel@...ts.freedesktop.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        LAKML <linux-arm-kernel@...ts.infradead.org>,
        "Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] drm/stm: drv: fix suspend/resume

On Fri, 21 Jun 2019 at 15:01, Yannick FERTRE <yannick.fertre@...com> wrote:
>
> Hi Emil,
>
> The msm driver tests the return value & set state to NULL if no error is
> detected.
>
> the ltdc driver tests the return value & force to suspend if an error is
> detected.
>
> It's not exactly the same.
>
D'oh I've misread that patch as pm_runtime_force_suspend() being
called when the atomic helper succeeds.

Thanks for the correction :-)
Emil