linux-kernel - RE: [PATCH] drm/bridge: ite-it6263: Support VESA input format

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:
 <TY3PR01MB113469CCF62FCC801F15C6B2286372@TY3PR01MB11346.jpnprd01.prod.outlook.com>
Date: Wed, 4 Dec 2024 06:45:37 +0000
From: Biju Das <biju.das.jz@...renesas.com>
To: Liu Ying <victor.liu@....com>, Dmitry Baryshkov
	<dmitry.baryshkov@...aro.org>, "tomm.merciai@...il.com"
	<tomm.merciai@...il.com>
CC: "linux-renesas-soc@...r.kernel.org" <linux-renesas-soc@...r.kernel.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>, Tommaso
 Merciai <tommaso.merciai.xr@...renesas.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>,
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] drm/bridge: ite-it6263: Support VESA input format

Hi Liu Ying,

> -----Original Message-----
> From: Liu Ying <victor.liu@....com>
> Sent: 04 December 2024 03:43
> Subject: Re: [PATCH] drm/bridge: ite-it6263: Support VESA input format
> 
> On 12/04/2024, Dmitry Baryshkov wrote:
> > On Tue, Dec 03, 2024 at 06:21:29PM +0100, tomm.merciai@...il.com wrote:
> >> From: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
> >>
> >> Introduce it6263_is_input_bus_fmt_valid() and refactor the
> >> it6263_bridge_atomic_get_input_bus_fmts() function to support VESA
> >> format by selecting the LVDS input format based on the LVDS data
> >> mapping and thereby support both JEIDA and VESA input formats.
> >
> > For the patch itself,
> >
> > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> >
> > A more generic question: is the bridge limited to 4 lanes or does it
> > support 3-lane or 5-lane configurations?
> 
> According to ite,it6263.yaml, the bridge supports all the data mappings(jeida-{18,24,30} and vesa-
> {24,30}) listed in lvds-data-mapping.yaml.  lvds-data-mapping.yaml specifies the data lanes(3/4/5)
> used by each of the data mappings.  So, the bridge supports 3, 4 or 5 data lanes.

In Renesas SMARC RZ/G3E LVDS add on board, only 4 LVDS Rx lanes connected. The 5th one is unconnected.
What is the situation in your board Liu Ying?

Cheers,
Biju