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Subject: Re: [PATCH v9 00/11] Genericize DW MIPI DSI bridge and add i.MX 6
 driver
To:     Adrian Ratiu <adrian.ratiu@collabora.com>,
        linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
        linux-rockchip@lists.infradead.org,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc:     Jernej Skrabec <jernej.skrabec@siol.net>,
        Jonas Karlman <jonas@kwiboo.se>,
        Philippe CORNU <philippe.cornu@st.com>,
        dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
        Yannick FERTRE <yannick.fertre@st.com>,
        Andrzej Hajda <a.hajda@samsung.com>, linux-imx@nxp.com,
        kernel@collabora.com, linux-stm32@st-md-mailman.stormreply.com
References: <20200609174959.955926-1-adrian.ratiu@collabora.com>
From:   Neil Armstrong <narmstrong@baylibre.com>
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Organization: Baylibre
Message-ID: <c6f10db1-7f56-a156-36a1-125e764c8c1a@baylibre.com>
Date:   Mon, 29 Jun 2020 10:47:51 +0200
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In-Reply-To: <20200609174959.955926-1-adrian.ratiu@collabora.com>
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Hi Adrian,

On 09/06/2020 19:49, Adrian Ratiu wrote:
> [Re-submitting to cc dri-devel, sorry about the noise]
> 
> Hello all,
> 
> v9 cleanly applies on top of latest next-20200609 tree.
> 
> v9 does not depend on other patches as the last binding doc has been merged.
> 
> All feedback up to this point has been addressed. Specific details in
> individual patch changelogs.
> 
> The biggest changes are the deprecation of the Synopsys DW bridge bind()
> API in favor of of_drm_find_bridge() and .attach callbacks, the addition
> of a TODO entry which outlines future planned bridge driver refactorings
> and a reordering of some i.MX 6 patches to appease checkpatch.
> 
> The idea behind the TODO is to get this regmap and i.MX 6 driver merged
> and then do the rest of refactorings in-tree because it's easier and the
> refactorings themselves are out-of-scope of this series which is adding
> i.MX 6 support and is quite big already, so please, if there are more
> refactoring ideas, let's add them to the TODO doc. :) I intend to tackle
> those after this series is merged to avoid two complex inter-dependent
> simultaneous series.

This has been around here for a long time and you seem to have addressed all
the reviews.

> 
> As always more testing is welcome especially on Rockchip and STM SoCs.

It has been tested on STM, but I'd like a feedback on RK platform before applying
the bridge parts.

Can the imx & stm patches be applied separately ?

Neil

> 
> Big thank you to everyone who has contributed to this up to now,
> Adrian
> 
> Adrian Ratiu (11):
>   drm: bridge: dw_mipi_dsi: add initial regmap infrastructure
>   drm: bridge: dw_mipi_dsi: abstract register access using reg_fields
>   drm: bridge: dw_mipi_dsi: add dsi v1.01 support
>   drm: bridge: dw_mipi_dsi: remove bind/unbind API
>   dt-bindings: display: add i.MX6 MIPI DSI host controller doc
>   ARM: dts: imx6qdl: add missing mipi dsi properties
>   drm: imx: Add i.MX 6 MIPI DSI host platform driver
>   drm: stm: dw-mipi-dsi: let the bridge handle the HW version check
>   drm: bridge: dw-mipi-dsi: split low power cfg register into fields
>   drm: bridge: dw-mipi-dsi: fix bad register field offsets
>   Documentation: gpu: todo: Add dw-mipi-dsi consolidation plan
> 
>  .../display/imx/fsl,mipi-dsi-imx6.yaml        | 112 +++
>  Documentation/gpu/todo.rst                    |  25 +
>  arch/arm/boot/dts/imx6qdl.dtsi                |   8 +
>  drivers/gpu/drm/bridge/synopsys/Kconfig       |   1 +
>  drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 713 ++++++++++++------
>  drivers/gpu/drm/imx/Kconfig                   |   8 +
>  drivers/gpu/drm/imx/Makefile                  |   1 +
>  drivers/gpu/drm/imx/dw_mipi_dsi-imx6.c        | 399 ++++++++++
>  .../gpu/drm/rockchip/dw-mipi-dsi-rockchip.c   |   7 +-
>  drivers/gpu/drm/stm/dw_mipi_dsi-stm.c         |  16 +-
>  10 files changed, 1059 insertions(+), 231 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,mipi-dsi-imx6.yaml
>  create mode 100644 drivers/gpu/drm/imx/dw_mipi_dsi-imx6.c
>