Re: [PATCH v5 00/11] drm: bridge: Add Samsung MIPI DSIM bridge

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On Fri, Sep 23, 2022 at 1:04 PM Marek Szyprowski
<m.szyprowski@xxxxxxxxxxx> wrote:
>
> On 16.09.2022 20:17, Jagan Teki wrote:
> > This series supports common bridge support for Samsung MIPI DSIM
> > which is used in Exynos and i.MX8MM SoC's.
> >
> > Previous v4 can be available here [1], repo on linux-next [2] and
> > Engicam i.Core MX8M Mini SoM boot log [3].
> >
> > The final bridge supports both the Exynos and i.MX8MM DSI devices.
> >
> > Changes for v3:
> > * bridge changes to support multi-arch
> > * updated and clear commit messages
> > * add hw_type via plat data
> > * removed unneeded quirk
> > * rebased on linux-next
> >
> > Changes for v4:
> > * include Inki Dae in MAINTAINERS
> > * remove dsi_driver probe in exynos_drm_drv to support multi-arch build
> > * update init handling to ensure host init done on first cmd transfer
> >
> > Changes for v3:
> > * fix the mult-arch build
> > * fix dsi host init
> > * updated commit messages
> >
> > Changes for v2:
> > * fix bridge handling
> > * fix dsi host init
> > * correct the commit messages
> >
> > Patch 0001:   Restore proper bridge chain in exynos_dsi
> >
> > Patch 0002:   Samsung DSIM bridge
> >
> > Patch 0003:   PHY optional
> >
> > Patch 0004:   OF-graph or Child node lookup
> >
> > Patch 0005:   DSI host initialization
> >
> > Patch 0006:   atomic check
> >
> > Patch 0007:   PMS_P offset via plat data
> >
> > Patch 0008:   atomic_get_input_bus_fmts
> >
> > Patch 0009:   input_bus_flags
> >
> > Patch 0010:   document fsl,imx8mm-mipi-dsim
> >
> > Patch 0011:   add i.MX8MM DSIM support
> >
> > [3] https://protect2.fireeye.com/v1/url?k=f5b98b61-94329e52-f5b8002e-000babff9bb7-1f9a3bf1da680bc2&q=1&e=efefced1-2052-43c5-834f-b50867c29e3c&u=https%3A%2F%2Fgist.github.com%2Fopenedev%2F22b2d63b30ade0ba55ab414a2f47aaf0
> > [2] https://protect2.fireeye.com/v1/url?k=02c0a3da-634bb6e9-02c12895-000babff9bb7-8ed3eab856890e56&q=1&e=efefced1-2052-43c5-834f-b50867c29e3c&u=https%3A%2F%2Fgithub.com%2Fopenedev%2Fkernel%2Ftree%2Fimx8mm-dsi-v5
> > [1] https://patchwork.kernel.org/project/dri-devel/cover/20220829184031.1863663-1-jagan@xxxxxxxxxxxxxxxxxxxx/
> >
> > Any inputs?
>
> Just to make it clear. Like I already pointed [1], this version breaks
> Exynos boards with DSI panels. Either the patch #1 has to be dropped to
> keep the current hack (the current code changes the bridge order to
> force proper pre_enable calls) or the Dave's patches have to be applied
> first [3].

Yes, I understand overall. Working on checking Dave's changes in the
Allwinner DSI host. If it doesn't impact it I will send next version
by including Dave's patches.

Thanks,
Jagan.



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