Re: [RFC PATCH 2/9] drm: bridge: Add Samsung SEC MIPI DSIM bridge driver

From: Fabio Estevam <festevam@gmail.com>
To: Jagan Teki <jagan@amarulasolutions.com>,
	Inki Dae <inki.dae@samsung.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Michael Tretter <m.tretter@pengutronix.de>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>, Peng Fan <peng.fan@nxp.com>,
	Francis Laniel <francis.laniel@amarulasolutions.com>,
	Matteo Lisi <matteo.lisi@engicam.com>,
	Neil Armstrong <narmstrong@baylibre.com>,
	linux-amarula <linux-amarula@amarulasolutions.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Robert Foss <robert.foss@linaro.org>,
	Andrzej Hajda <a.hajda@samsung.com>,
	DRI mailing list <dri-devel@lists.freedesktop.org>,
	Milco Pratesi <milco.pratesi@engicam.com>,
	Anthony Brandon <anthony@amarulasolutions.com>,
	linux-phy@lists.infradead.org, Fancy Fang <chen.fang@nxp.com>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
	<linux-arm-kernel@lists.infradead.org>,
	NXP Linux Team <linux-imx@nxp.com>
Subject: Re: [RFC PATCH 2/9] drm: bridge: Add Samsung SEC MIPI DSIM bridge driver
Date: Thu, 24 Jun 2021 09:46:10 -0300	[thread overview]
Message-ID: <CAOMZO5C4n0nnD0y_Ouoo70C4dN+BKg_D8iEO_wgN4_fDx0E2DA@mail.gmail.com> (raw)
In-Reply-To: <CAMty3ZA=1xreRB+SZOwj6khH6+nLsE_ND5599xfV8J=LzGFYYQ@mail.gmail.com>

Hi Jagan,

On Thu, Jun 24, 2021 at 9:32 AM Jagan Teki <jagan@amarulasolutions.com> wrote:

> > I had a brief look at the exynos driver, and I think it should be turned
> > into a DRM bridge as part of this rework to be used with the i.MX8MM.
> >
> > Is there someone from Samsung who could assist, at least to test the
> > changes ?
>
> I have hardware to verify it on i.MX8MM but from exynos I don't have
> any contact from Samsung to suggest or test. Maybe I can add Tomasz
> Figa while sending the changes?

Adding Inki Dae and Marek Szyprowski from Samsung who helped to review
Michael's series.

> I understand that there are 2 key implementations.
>
> 1. Adjust the exynos_drm_dsi.c by dropping component_ops as i.MX8MM
> flow with LCDIF doesn't have component_ops (make sure it works with
> exynos platform first)
> 2. Sec DSIM Bridge driver common cross Exynos and i.MX8MM platform
> drivers or only one Sec DSIM bridge driver to handle both the
> platforms by differentiating compatible and driver data
>
> Any more suggestions would be appreciated?
>
> Jagan.