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

[Jagan Teki <jagan@amarulasolutions.com>]

Hi Krzysztof,

On Fri, Jun 25, 2021 at 2:51 PM Krzysztof Kozlowski
<krzysztof.kozlowski@canonical.com> wrote:
>
> On Thu, 24 Jun 2021 at 14:19, Laurent Pinchart
> <laurent.pinchart@ideasonboard.com> wrote:
> >
> > Hi Jagan,
> >
> > On Thu, Jun 24, 2021 at 05:42:43PM +0530, Jagan Teki wrote:
> > > On Thu, Jun 24, 2021 at 8:18 AM Fabio Estevam wrote:
> > > > On Wed, Jun 23, 2021 at 7:23 PM Laurent Pinchart wrote:
> > > >
> > > > > Looking at the register set, it seems to match the Exynos 5433,
> > > > > supported by drivers/gpu/drm/exynos/exynos_drm_dsi.c. Can we leverage
> > > > > that driver instead of adding a new one for the same IP core ?
> > > >
> > > > Yes. there was an attempt from Michael in this direction:
> > > > https://patchwork.kernel.org/project/dri-devel/cover/20200911135413.3654800-1-m.tretter@pengutronix.de/
> > >
> > > Thanks for the reference, I will check it out and see I can send any
> > > updated versions wrt my i.MX8MM platform.
> >
> > Thanks.
> >
> > 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 ?
>
> Yes, I mentioned few guys in reply to PHY. Around the DRM drivers you
> can get in touch with:
> Inki Dae <inki.dae@samsung.com>
> Seung-Woo Kim <sw0312.kim@samsung.com>
> Marek Szyprowski <m.szyprowski@samsung.com>
> Andrzej Hajda <a.hajda@samsung.com>

Thanks for the information.

>
> The easiest testing of the display stack would be on Hardkernel's Odroid
> XU4 (https://www.hardkernel.com/shop/odroid-xu4-special-price/) however
> you will not test the DSI/DSIM directly (it has only HDMI port).

Look like I found one board with Exynos5430 with DSI. Does this SoC is
same as mainline Exynos5433?

Jagan.