From: Saravana Kannan <saravanak@google.com>
To: Maxime Ripard <maxime@cerno.tech>
Cc: Ondrej Jirman <megous@megous.com>, 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>
Subject: Re: [PATCH v2] drm/sun4i: dw-hdmi: Make HDMI PHY into a platform device
Date: Mon, 7 Jun 2021 10:13:15 -0700 [thread overview]
Message-ID: <CAGETcx-ZH2egh4kNpAL8CTGTVo21nP8aYpU_W+UHZ_GLJDeLaw@mail.gmail.com> (raw)
In-Reply-To: <20210607114146.ohiqf4ousibfu4wm@gilmour>
On Mon, Jun 7, 2021 at 4:41 AM Maxime Ripard <maxime@cerno.tech> wrote:
>
> 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
Thanks everyone! And thanks for following up on this Ondrej!
-Saravana
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prev parent reply other threads:[~2021-06-07 17:16 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
2021-06-07 17:13 ` Saravana Kannan [this message]
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