linux-kernel - Re: [PATCH 0/3] drm/rockchip: Add driver for the new DSI2 controller

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Message-ID: <20241120095326.9854-1-dse@thaumatec.com>
Date: Wed, 20 Nov 2024 10:52:58 +0100
From: Daniel Semkowicz <dse@...umatec.com>
To: heiko@...ech.de
Cc: Laurent.pinchart@...asonboard.com,
	andrzej.hajda@...el.com,
	andy.yan@...k-chips.com,
	conor+dt@...nel.org,
	devicetree@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	jernej.skrabec@...il.com,
	jonas@...boo.se,
	krzk+dt@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	neil.armstrong@...aro.org,
	quentin.schulz@...rry.de,
	rfoss@...nel.org,
	robh@...nel.org,
	tzimmermann@...e.de,
	Daniel Semkowicz <dse@...umatec.com>
Subject: Re: [PATCH 0/3] drm/rockchip: Add driver for the new DSI2 controller

Hello Heiko,

> This series adds a bridge and glue driver for the DSI2 controller found
> in the rk3588 soc from Rockchip, that is based on a Synopsis IP block.
> 
> As the manual states:
> The Display Serial Interface 2 (DSI-2) is part of a group of communication
> protocols defined by the MIPI Alliance. The MIPI DSI-2 Host Controller is
> a digital core that implements all protocol functions defined in the
> MIPI DSI-2 Specification.
> 
> 
> While the driver structure is very similar to the previous DSI controller,
> the programming model of the core is quite different, with a completely
> new register set.
> 
> Another notable difference is that the phy interface is variable now too
> in its width and some other settings.
> 
> 
> Heiko Stuebner (3):
>   drm/bridge/synopsys: Add MIPI DSI2 host controller bridge
>   dt-bindings: display: rockchip: Add schema for RK3588 DW DSI2
>     controller
>   drm/rockchip: Add MIPI DSI2 glue driver for RK3588
> 
>  .../rockchip/rockchip,rk3588-mipi-dsi2.yaml   |  119 ++
>  drivers/gpu/drm/bridge/synopsys/Kconfig       |    6 +
>  drivers/gpu/drm/bridge/synopsys/Makefile      |    1 +
>  .../gpu/drm/bridge/synopsys/dw-mipi-dsi2.c    | 1034 +++++++++++++++++
>  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 +
>  include/drm/bridge/dw_mipi_dsi2.h             |   94 ++
>  10 files changed, 1792 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-mipi-dsi2.yaml
>  create mode 100644 drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c
>  create mode 100644 drivers/gpu/drm/rockchip/dw-mipi-dsi2-rockchip.c
>  create mode 100644 include/drm/bridge/dw_mipi_dsi2.h
> 
> -- 
> 2.45.2

Thank you for this work!

Sucessfuly tested this series with DSI/LVDS bridge.

Test configuration was described in the thread "[PATCH v3 0/2] MIPI DSI
phy for rk3588":
https://lore.kernel.org/all/20241120093702.9018-1-dse@thaumatec.com/

Tested-by: Daniel Semkowicz <dse@...umatec.com>

Kind regards
Daniel