linux-kernel - Re: [PATCH 5/5] drm: dw-hdmi: update ELD on HPD event

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Message-ID: <29a3cd0b-af69-98ae-26c5-947526a7fc68@baylibre.com>
Date:   Mon, 2 Sep 2019 10:08:04 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Jonas Karlman <jonas@...boo.se>,
        Andrzej Hajda <a.hajda@...sung.com>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Sean Paul <sean@...rly.run>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Hans Verkuil <hverkuil@...all.nl>,
        Jerome Brunet <jbrunet@...libre.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/5] drm: dw-hdmi: update ELD on HPD event

On 01/09/2019 18:14, Jonas Karlman wrote:
> Update connector ELD on HPD event, fixes stale ELD when
> HDMI cable is unplugged/replugged or AVR is powered on/off.
> 
> Signed-off-by: Jonas Karlman <jonas@...boo.se>
> ---
>  drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> index 0f07be1b5914..0a8268b20561 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> @@ -2178,6 +2178,8 @@ static int dw_hdmi_connector_update_edid(struct drm_connector *connector,
>  		cec_notifier_set_phys_addr_from_edid(hdmi->cec_notifier, edid);
>  		if (add_modes)
>  			ret = drm_add_edid_modes(connector, edid);
> +		else
> +			drm_edid_to_eld(connector, edid);
>  		kfree(edid);
>  	} else {
>  		dev_dbg(hdmi->dev, "failed to get edid\n");
> 

Reviewed-by: Neil Armstrong <narmstrong@...libre.com>