Re: [PATCH v2] drm/sun4i: dw-hdmi: Make HDMI PHY into a platform device

From: Maxime Ripard
Date: Mon Jun 07 2021 - 07:41:54 EST


On Mon, Jun 07, 2021 at 10:58:36AM +0200, Ondrej Jirman wrote:
> From: Saravana Kannan <saravanak@xxxxxxxxxx>
>
> On sunxi boards that use HDMI output, HDMI device probe keeps being
> avoided indefinitely with these repeated messages in dmesg:
>
> platform 1ee0000.hdmi: probe deferral - supplier 1ef0000.hdmi-phy
> not ready
>
> There's a fwnode_link being created with fw_devlink=on between hdmi
> and hdmi-phy nodes, because both nodes have 'compatible' property set.
>
> 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.
>
> This commit makes sun8i-hdmi-phy into a proper platform device
> and fixes the display pipeline probe on sunxi boards that use HDMI.
>
> More context: https://lkml.org/lkml/2021/5/16/203
>
> Signed-off-by: Saravana Kannan <saravanak@xxxxxxxxxx>
> Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx>

Applied, thanks
Maxime

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