[PATCH v3 3/3] drm/rockchip: Add MIPI DSI2 glue driver for RK3588

[Diederik de Haas]

If there's going to be another version (to fix this) ...

On Wed Dec 4, 2024 at 3:16 AM CET, Kever Yang wrote:
> On 2024/12/4 00:54, Heiko Stuebner wrote:
> > From: Heiko Stuebner <heiko.stuebner at cherry.de>
> >
> > This adds the glue code for the MIPI DSI2 bridge on Rockchip SoCs and
> > enables its use on the RK3588.
> >
> > Right now the DSI2 controller is always paired with a DC-phy based on a
> > Samsung IP, so the interface values are set statically for now.
> > This stays true for the upcoming RK3576 as well.
> >
> > Tested-by: Daniel Semkowicz <dse at thaumatec.com>
> > Signed-off-by: Heiko Stuebner <heiko.stuebner at cherry.de>
> > ---
> >   drivers/gpu/drm/rockchip/Kconfig              |  10 +
> >   drivers/gpu/drm/rockchip/Makefile             |   1 +
> >   .../gpu/drm/rockchip/dw-mipi-dsi2-rockchip.c  | 524 ++++++++++++++++++
> >   drivers/gpu/drm/rockchip/rockchip_drm_drv.c   |   2 +
> >   drivers/gpu/drm/rockchip/rockchip_drm_drv.h   |   1 +
> >   5 files changed, 538 insertions(+)
> >   create mode 100644 drivers/gpu/drm/rockchip/dw-mipi-dsi2-rockchip.c
> >
> > diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig
> > index 448fadd4ba15..84af423b7f90 100644
> > --- a/drivers/gpu/drm/rockchip/Kconfig
> > +++ b/drivers/gpu/drm/rockchip/Kconfig
> > @@ -10,6 +10,7 @@ config DRM_ROCKCHIP
> >   	select DRM_DW_HDMI if ROCKCHIP_DW_HDMI
> >   	select DRM_DW_HDMI_QP if ROCKCHIP_DW_HDMI_QP
> >   	select DRM_DW_MIPI_DSI if ROCKCHIP_DW_MIPI_DSI
> > +	select DRM_DW_MIPI_DSI2 if ROCKCHIP_DW_MIPI_DSI2
> >   	select GENERIC_PHY if ROCKCHIP_DW_MIPI_DSI
> >   	select GENERIC_PHY_MIPI_DPHY if ROCKCHIP_DW_MIPI_DSI
> >   	select SND_SOC_HDMI_CODEC if ROCKCHIP_CDN_DP && SND_SOC
> > @@ -81,6 +82,15 @@ config ROCKCHIP_DW_MIPI_DSI
> >   	  enable MIPI DSI on RK3288 or RK3399 based SoC, you should
> >   	  select this option.
> >   
> > +config ROCKCHIP_DW_MIPI_DSI2
> > +	bool "Rockchip specific extensions for Synopsys DW MIPI DSI2"
> > +	select GENERIC_PHY_MIPI_DPHY
> > +	help
> > +	  This selects support for Rockchip SoC specific extensions
> > +	  for the Synopsys DesignWare dsi driver. If you want to

... could you then also s/dsi/DSI/ ?

Cheers,
  Diederik

> > +	  enable MIPI DSI on RK3576 or RK3588 based SoC, you should
> > +	  select this option.
> > +
> >   config ROCKCHIP_INNO_HDMI
> >   	bool "Rockchip specific extensions for Innosilicon HDMI"
> >   	select DRM_DISPLAY_HDMI_HELPER
> > diff --git a/drivers/gpu/drm/rockchip/Makefile b/drivers/gpu/drm/rockchip/Makefile
> > index 3eab662a5a1d..2b867cebbc12 100644
> > --- a/drivers/gpu/drm/rockchip/Makefile
> > +++ b/drivers/gpu/drm/rockchip/Makefile
> > @@ -13,6 +13,7 @@ rockchipdrm-$(CONFIG_ROCKCHIP_CDN_DP) += cdn-dp-core.o cdn-dp-reg.o
> >   rockchipdrm-$(CONFIG_ROCKCHIP_DW_HDMI) += dw_hdmi-rockchip.o
> >   rockchipdrm-$(CONFIG_ROCKCHIP_DW_HDMI_QP) += dw_hdmi_qp-rockchip.o
> >   rockchipdrm-$(CONFIG_ROCKCHIP_DW_MIPI_DSI) += dw-mipi-dsi-rockchip.o
> > +rockchipdrm-$(CONFIG_ROCKCHIP_DW_MIPI_DSI2) += dw-mipi-dsi2-rockchip.o
> >   rockchipdrm-$(CONFIG_ROCKCHIP_INNO_HDMI) += inno_hdmi.o
> >   rockchipdrm-$(CONFIG_ROCKCHIP_LVDS) += rockchip_lvds.o
> >   rockchipdrm-$(CONFIG_ROCKCHIP_RGB) += rockchip_rgb.o
> > diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi2-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi2-rockchip.c
> > new file mode 100644
> > index 000000000000..55eed4001634
> > --- /dev/null
> > +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi2-rockchip.c
> > @@ -0,0 +1,524 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Copyright (C) 2024 Rockchip Electronics Co.Ltd
> This should be:
>
> Rockchip Electronics Co., Ltd.
>
> This typo is from vendor kernel, we will correct all this kind of issue locally,
> and Andy is going to correct other files in drm for mainline kernel.
>
> Thanks,
> - Kever
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