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Date:   Mon, 7 Jun 2021 13:41:46 +0200
From:   Maxime Ripard <maxime@cerno.tech>
To:     Ondrej Jirman <megous@megous.com>
Cc:     Chen-Yu Tsai <wens@csie.org>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        "open list:DRM DRIVER FOR ALLWINNER DE2 AND DE3 ENGINE" 
        <dri-devel@lists.freedesktop.org>,
        "moderated list:ARM/Allwinner sunXi SoC support" 
        <linux-arm-kernel@lists.infradead.org>,
        "open list:ARM/Allwinner sunXi SoC support" 
        <linux-sunxi@lists.linux.dev>,
        open list <linux-kernel@vger.kernel.org>,
        Saravana Kannan <saravanak@google.com>
Subject: Re: [PATCH v2] drm/sun4i: dw-hdmi: Make HDMI PHY into a platform
 device
Message-ID: <20210607114146.ohiqf4ousibfu4wm@gilmour>
References: <20210607085836.2827429-1-megous@megous.com>
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On Mon, Jun 07, 2021 at 10:58:36AM +0200, Ondrej Jirman wrote:
> From: Saravana Kannan <saravanak@google.com>
>=20
> On sunxi boards that use HDMI output, HDMI device probe keeps being
> avoided indefinitely with these repeated messages in dmesg:
>=20
>   platform 1ee0000.hdmi: probe deferral - supplier 1ef0000.hdmi-phy
>     not ready
>=20
> There's a fwnode_link being created with fw_devlink=3Don between hdmi
> and hdmi-phy nodes, because both nodes have 'compatible' property set.
>=20
> Fw_devlink code assumes that nodes that have compatible property
> set will also have a device associated with them by some driver
> eventually. This is not the case with the current sun8i-hdmi
> driver.
>=20
> This commit makes sun8i-hdmi-phy into a proper platform device
> and fixes the display pipeline probe on sunxi boards that use HDMI.
>=20
> More context: https://lkml.org/lkml/2021/5/16/203
>=20
> Signed-off-by: Saravana Kannan <saravanak@google.com>
> Signed-off-by: Ondrej Jirman <megous@megous.com>

Applied, thanks
Maxime

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