linux-kernel - Re: [PATCH v2 2/4] drm/bridge: analogix

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Date:   Tue, 4 Oct 2016 10:53:58 -0400
From:   Sean Paul <seanpaul@...omium.org>
To:     zain wang <wzz@...k-chips.com>
Cc:     Daniel Vetter <daniel.vetter@...ll.ch>,
        Inki Dae <inki.dae@...sung.com>,
        David Airlie <airlied@...ux.ie>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        Mika Kahola <mika.kahola@...el.com>,
        Stéphane Marchesin <marcheu@...omium.org>,
        Tomasz Figa <tfiga@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Thierry Reding <treding@...dia.com>,
        Krzysztof Kozlowski <k.kozlowski@...sung.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Jingoo Han <jingoohan1@...il.com>,
        Javier Martinez Canillas <javier@....samsung.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
        linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH v2 2/4] drm/bridge: analogix_dp: get sync PM when init eDP

On Fri, Sep 30, 2016 at 8:40 AM, zain wang <wzz@...k-chips.com> wrote:


Can you please add a commit message describing why this is needed.

Sean


> Signed-off-by: zain wang <wzz@...k-chips.com>
>
> ---
>
> Changes in v2: None
>
>  drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> index b4ce16a..1bd190e 100644
> --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> @@ -1411,10 +1411,12 @@ int analogix_dp_bind(struct device *dev, struct drm_device *drm_dev,
>         }
>
>         pm_runtime_enable(dev);
> +       pm_runtime_get_sync(dev);
>
>         phy_power_on(dp->phy);
>
>         analogix_dp_init_dp(dp);
> +       pm_runtime_put_sync(dev);
>
>         ret = devm_request_threaded_irq(&pdev->dev, dp->irq,
>                                         analogix_dp_hardirq,
> --
> 1.9.1
>
>
> --
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