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Message-ID: <223c7j4rkz6oh2kvsj7azn5fit2ojbuqmuhux7yafeosj3pch4@abjur6szwgep>
Date: Mon, 17 Jun 2024 14:57:59 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Aradhya Bhatia <a-bhatia1@...com>
Cc: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
Andrzej Hajda <andrzej.hajda@...el.com>, Neil Armstrong <neil.armstrong@...aro.org>,
Robert Foss <rfoss@...nel.org>, Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>,
Jyri Sarha <jyri.sarha@....fi>, Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
DRI Development List <dri-devel@...ts.freedesktop.org>, Linux Kernel List <linux-kernel@...r.kernel.org>,
Dominik Haller <d.haller@...tec.de>, Sam Ravnborg <sam@...nborg.org>,
Thierry Reding <treding@...dia.com>, Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
Praneeth Bajjuri <praneeth@...com>, Udit Kumar <u-kumar1@...com>, Devarsh Thakkar <devarsht@...com>,
Jayesh Choudhary <j-choudhary@...com>, Jai Luthra <j-luthra@...com>
Subject: Re: [PATCH v3 01/10] drm/bridge: cdns-dsi: Fix OF node pointer
On Mon, Jun 17, 2024 at 04:23:02PM GMT, Aradhya Bhatia wrote:
> Fix the OF node pointer passed to the of_drm_find_bridge() call to find
> the next bridge in the display chain.
>
> To find the next bridge in the pipeline, we need to pass "np" - the OF
> node pointer of the next entity in the devicetree chain. Passing
> "of_node" to of_drm_find_bridge will make the function try to fetch the
> bridge for the cdns-dsi which is not what's required.
>
> Fix that.
>
> Fixes: e19233955d9e ("drm/bridge: Add Cadence DSI driver")
> Signed-off-by: Aradhya Bhatia <a-bhatia1@...com>
> ---
> drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Nit: consider switching to devm_drm_of_get_bridge(), which does the
same.
--
With best wishes
Dmitry
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