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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20210607114146.ohiqf4ousibfu4wm@gilmour>
Date:   Mon, 7 Jun 2021 13:41:46 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Ondrej Jirman <megous@...ous.com>
Cc:     Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        "open list:DRM DRIVER FOR ALLWINNER DE2 AND DE3 ENGINE" 
        <dri-devel@...ts.freedesktop.org>,
        "moderated list:ARM/Allwinner sunXi SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:ARM/Allwinner sunXi SoC support" 
        <linux-sunxi@...ts.linux.dev>,
        open list <linux-kernel@...r.kernel.org>,
        Saravana Kannan <saravanak@...gle.com>
Subject: Re: [PATCH v2] drm/sun4i: dw-hdmi: Make HDMI PHY into a platform
 device

On Mon, Jun 07, 2021 at 10:58:36AM +0200, Ondrej Jirman wrote:
> From: Saravana Kannan <saravanak@...gle.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@...gle.com>
> Signed-off-by: Ondrej Jirman <megous@...ous.com>

Applied, thanks
Maxime

Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)