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
Date: Mon, 7 Jun 2021 13:41:46 +0200 [thread overview]
Message-ID: <20210607114146.ohiqf4ousibfu4wm@gilmour> (raw)
In-Reply-To: <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>
>
> 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@google.com>
> Signed-off-by: Ondrej Jirman <megous@megous.com>
Applied, thanks
Maxime
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next prev parent reply other threads:[~2021-06-07 11:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-07 8:58 [PATCH v2] drm/sun4i: dw-hdmi: Make HDMI PHY into a platform device Ondrej Jirman
2021-06-07 9:29 ` Andre Przywara
2021-06-07 11:41 ` Maxime Ripard [this message]
2021-06-07 17:13 ` Saravana Kannan
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