Messages in this thread |  | | From | Jagan Teki <> | Date | Thu, 20 Jan 2022 16:33:22 +0530 | Subject | Re: [PATCH 6/6] drm/meson: add support for MIPI-DSI transceiver |
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On Wed, Jan 12, 2022 at 1:49 PM Neil Armstrong <narmstrong@baylibre.com> wrote: > > Hi, > > On 12/01/2022 08:24, Jagan Teki wrote: > > Hi Neil, > > > > On Mon, Sep 7, 2020 at 1:48 PM Neil Armstrong <narmstrong@baylibre.com> wrote: > >> > >> The Amlogic AXg SoCs embeds a Synopsys DW-MIPI-DSI transceiver (ver 1.21a), with a custom > >> glue managing the IP resets, clock and data input similar to the DW-HDMI Glue on other > >> Amlogic SoCs. > >> > >> This adds support for the Glue managing the transceiver, mimicing the init flow provided > >> by Amlogic to setup the ENCl encoder, the glue, the transceiver, the digital D-PHY and the > >> Analog PHY in the proper way. > >> > >> The DW-MIPI-DSI transceiver + D-PHY are directly clocked by the VCLK2 clock, which pixel clock > >> is derived and feeds the ENCL encoder and the VIU pixel reader. > >> > >> An optional "MEAS" clock can be enabled to measure the delay between each vsync feeding the > >> DW-MIPI-DSI transceiver. > >> > >> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> > >> --- > > [..] > > >> + > >> +static const struct component_ops meson_dw_mipi_dsi_ops = { > >> + .bind = meson_dw_mipi_dsi_bind, > >> + .unbind = meson_dw_mipi_dsi_unbind, > >> +}; > > > > Do you thought of non-component based meson DSI like STM DSI? It > > require changes from meson drm but just to understand if you have any > > such plan. > > I have no such plans for now, note this serie has been rewritten at [1] but still > with based with components. > > If worth it, the plan is to get it with components and than yes if it's simpler > drop components completely.
Dropping components make the pipeline well suited for bridges as we are moving bridge-driven pipelines in other areas.
> > I'll have a look at how ST does
ST has no components. As I said above, eventually there would be common bridge driver for dw-mipi-dsi if meson and rockchip moving away from components.
Thanks, Jagan.
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