Re: [PATCH 00/11] drm: bridge: Add Samsung MIPI DSIM bridge

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On Mon, Apr 11, 2022 at 9:39 AM Adam Ford <aford173@xxxxxxxxx> wrote:
>
> On Mon, Apr 11, 2022 at 8:56 AM Marek Szyprowski
> <m.szyprowski@xxxxxxxxxxx> wrote:
> >
> > On 08.04.2022 18:20, Jagan Teki wrote:
> > > This series supports common bridge support for Samsung MIPI DSIM
> > > which is used in Exynos and i.MX8MM SoC's.
> > >
> > > Previous RFC can be available here [1].
> > >
> > > The final bridge supports both the Exynos and i.MX8MM DSI devices.
> > >
> > > On, summary this patch-set break the entire DSIM driver into
> > > - platform specific glue code for platform ops, component_ops.
> > > - common bridge driver which handle platform glue init and invoke.
> > >
> > > Patch 0000:   Samsung DSIM bridge
> > >
> > > Patch 0001:   platform init flag via driver_data
> > >
> > > Patch 0002/9:   bridge fixes, atomic API's
> > >
> > > Patch 0010:   document fsl,imx8mm-mipi-dsim
> > >
> > > Patch 0011:   add i.MX8MM DSIM support
> > >
> > > Tested in Engicam i.Core MX8M Mini SoM.
> > >
> > > Anyone interested, please have a look on this repo [2]
> > >
> > > [2] https://protect2.fireeye.com/v1/url?k=930e329a-f28527b5-930fb9d5-74fe485cbfe7-b0c53e2d688ddbc5&q=1&e=e6aa727d-5ae2-4ca5-bff3-7f62d8fae87e&u=https%3A%2F%2Fgithub.com%2Fopenedev%2Fkernel%2Ftree%2Fimx8mm-dsi-v1
> > > [1] https://lore.kernel.org/linux-arm-kernel/YP2j9k5SrZ2%2Fo2%2F5@xxxxxxxxxxxx/T/
> > >
> > > Any inputs?
> >
> > I wanted to test this on the Exynos, but I wasn't able to find what base
> > should I apply this patchset. I've tried linux-next as well as
> > 95a2441e4347 ("drm: exynos: dsi: Switch to atomic funcs").
> >
> > Please note that pointing a proper base for the patchset is really
> > essential if you really want others to test it.
>
> Can you clone his repo and test that?  He posted it above.  I was
> going to clone it at some point this week to give it a try.

Jagan,

Is there anyway you could rebase this onto 5.18-rc1? Marek was having
issues applying patches to a known branch, and it looks like I cannot
enable stuff on Nano without applying a bunch of patches, because this
base lacks the power-domain features on Nano that are present in the
5.18-rc1.

thanks,

adam

>
> adam
> >
> >
> > > Jagan.
> > >
> > > Jagan Teki (11):
> > >    drm: bridge: Add Samsung DSIM bridge driver
> > >    drm: bridge: samsung-dsim: Handle platform init via driver_data
> > >    drm: bridge: samsung-dsim: Mark PHY as optional
> > >    drm: bridge: samsung-dsim: Add DSI init in bridge pre_enable()
> > >    drm: bridge: samsung-dsim: Fix PLL_P (PMS_P) offset
> > >    drm: bridge: samsung-dsim: Add module init, exit
> > >    drm: bridge: samsung-dsim: Add atomic_check
> > >    drm: bridge: samsung-dsim: Add atomic_get_input_bus_fmts
> > >    drm: bridge: samsung-dsim: Add input_bus_flags
> > >    dt-bindings: display: exynos: dsim: Add NXP i.MX8MM support
> > >    drm: bridge: samsung-dsim: Add i.MX8MM support
> > >
> > >   .../bindings/display/exynos/exynos_dsim.txt   |    1 +
> > >   MAINTAINERS                                   |   12 +
> > >   drivers/gpu/drm/bridge/Kconfig                |   12 +
> > >   drivers/gpu/drm/bridge/Makefile               |    1 +
> > >   drivers/gpu/drm/bridge/samsung-dsim.c         | 1803 +++++++++++++++++
> > >   drivers/gpu/drm/exynos/Kconfig                |    1 +
> > >   drivers/gpu/drm/exynos/exynos_drm_dsi.c       | 1704 +---------------
> > >   include/drm/bridge/samsung-dsim.h             |   97 +
> > >   8 files changed, 1982 insertions(+), 1649 deletions(-)
> > >   create mode 100644 drivers/gpu/drm/bridge/samsung-dsim.c
> > >   create mode 100644 include/drm/bridge/samsung-dsim.h
> > >
> > Best regards
> > --
> > Marek Szyprowski, PhD
> > Samsung R&D Institute Poland
> >



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