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From: Sean Paul <seanpaul@chromium.org>
Date: Tue, 4 Oct 2016 10:53:58 -0400
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Subject: Re: [PATCH v2 2/4] drm/bridge: analogix_dp: get sync PM when init eDP
To: zain wang <wzz@rock-chips.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
        Inki Dae <inki.dae@samsung.com>, David Airlie <airlied@linux.ie>,
        Tomeu Vizoso <tomeu.vizoso@collabora.com>,
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On Fri, Sep 30, 2016 at 8:40 AM, zain wang <wzz@rock-chips.com> wrote:


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

Sean


> Signed-off-by: zain wang <wzz@rock-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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