Date:	Sat, 15 Nov 2014 13:46:17 +0800
From:	Daniel Kurtz <djkurtz@...gle.com>
To:	Andy Yan <andy.yan@...k-chips.com>
Cc:	David Airlie <airlied@...ux.ie>,
	Heiko Stübner <heiko@...ech.de>,
	fabio.estevam@...escale.com, rmk+kernel@....linux.org.uk,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Shawn Guo <shawn.guo@...aro.org>,
	Josh Boyer <jwboyer@...hat.com>,
	Sean Paul <seanpaul@...omium.org>,
	Inki Dae <inki.dae@...sung.com>,
	Dave Airlie <airlied@...hat.com>,
	Arnd Bergmann <arnd@...db.de>,
	Lucas Stach <l.stach@...gutronix.de>,
	Zubair.Kakakhel@...tec.com, Yakir Yang <ykk@...k-chips.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	dri-devel <dri-devel@...ts.freedesktop.org>,
	devel@...verdev.osuosl.org,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	"open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
	Xu Jianqun <jay.xu@...k-chips.com>,
	Pawel Moll <pawel.moll@....com>,
	"mark.yao@...k-chips.com" <mark.yao@...k-chips.com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>
Subject: Re: [PATCH v11 0/12] dw-hdmi: convert imx hdmi to bridge/dw_hdmi

On Fri, Nov 14, 2014 at 9:37 PM, Andy Yan <andy.yan@...k-chips.com> wrote:
>
> We found Freescale imx6 and Rockchip rk3288 and Ingenic JZ4780 (Xburst/MIPS)
> use the interface compatible Designware HDMI IP, but they also have some
> lightly differences, such as phy pll configuration, register width(imx hdmi
> register is one byte, but rk3288 is 4 bytes width and can only be accessed
> by word), 4K support(imx6 doesn't support 4k, but rk3288 does), and HDMI2.0
> support.
>
> To reuse the imx-hdmi driver, we make this patch set:
> (1): fix some CodingStyle warning to make checkpatch happy
> (2): split out imx-soc code from imx-hdmi to dw_hdmi-imx.c
> (3): move imx-hdmi to bridge/dw-hdmi, and convert it to a drm_bridge driver
> (4): add rockchip rk3288 platform specific code dw_hdmi-rockchip.c
>
> Changes in v11:
> - rearrange the patch order
> - squash patch  <split some phy configuration to platform driver>
> - split some modification form patch <dw_hdmi: add rk3288 support>
>
> Changes in v10:
> - split generic dw_hdmi.c improvements from patch#11 (add rk3288 support)
> - add more display mode support mpll configuration for rk3288
>
> Changes in v9:
> - move some phy configuration to platform driver
>
> Changes in v8:
> - correct some spelling mistake
> - modify ddc-i2c-bus and interrupt description
> - Add documentation for rockchip dw hdmi
>
> Changes in v7:
> - remove unused variables from structure dw_hdmi
> - remove a wrong modification
> - add copyrights for dw_hdmi-imx.c
>
> Changes in v6:
> - rearrange the patch order
> - move some modification from patch#5
> - move some modification to  patch#6
> - refactor register access without reg_shift
>
> Changes in v5:
> - refactor reg-io-width
>
> Changes in v4:
> - fix checkpatch CHECK
> - defer probe ddc i2c adapter
>
> Changes in v3:
> - split multi-register access to one indepent patch
>
> Changes in v2:
> - use git format -M to generate these patch
>
> Andy Yan (11):
>   staging: imx-drm: imx-hdmi: make checkpatch happy
>   staging: imx-drm: imx-hdmi: return defer if can't get ddc i2c adapter
>   staging: imx-drm: imx-hdmi: split imx soc specific code from imx-hdmi
>   staging: imx-drm: imx-hdmi: move imx-hdmi to bridge/dw_hdmi
>   dt-bindings: add document for dw_hdmi
>   drm: bridge/dw_hdmi: add support for multi-byte register width access
>   drm: bridge/dw_hdmi: add mode_valid support
>   drm: bridge/dw_hdmi: clear i2cmphy_stat0 reg in hdmi_phy_wait_i2c_done
>   drm: bridge/dw_hdmi: add function dw_hdmi_phy_enable_spare
>   dt-bindings: Add documentation for rockchip dw hdmi
>   drm: bridge/dw_hdmi: add rockchip rk3288 support
>
> Yakir Yang (1):
>   drm: bridge/dw_hdmi: convert dw-hdmi to drm_bridge mode

Patch 1 & 2 are:

Reviewed-by: Daniel Kurtz <djkurtz@...omium.org>

I think these first two are ready (or will be, after a small nit fix to #2).

Since they are independent of the imx/dw_hdmi split, can we get them
accepted first, to help shrink Andy's patch set?

Thanks,
-djk

>
>  .../devicetree/bindings/drm/bridge/dw_hdmi.txt     |  40 ++
>  .../devicetree/bindings/video/dw_hdmi-rockchip.txt |  43 ++
>  drivers/gpu/drm/bridge/Kconfig                     |   5 +
>  drivers/gpu/drm/bridge/Makefile                    |   1 +
>  .../imx-hdmi.c => gpu/drm/bridge/dw_hdmi.c}        | 762 +++++++++------------
>  .../imx-hdmi.h => gpu/drm/bridge/dw_hdmi.h}        |   8 +-
>  drivers/gpu/drm/rockchip/Kconfig                   |  10 +
>  drivers/gpu/drm/rockchip/Makefile                  |   2 +-
>  drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c        | 355 ++++++++++
>  drivers/staging/imx-drm/Kconfig                    |   1 +
>  drivers/staging/imx-drm/Makefile                   |   2 +-
>  drivers/staging/imx-drm/dw_hdmi-imx.c              | 274 ++++++++
>  include/drm/bridge/dw_hdmi.h                       |  60 ++
>  13 files changed, 1138 insertions(+), 425 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/drm/bridge/dw_hdmi.txt
>  create mode 100644 Documentation/devicetree/bindings/video/dw_hdmi-rockchip.txt
>  rename drivers/{staging/imx-drm/imx-hdmi.c => gpu/drm/bridge/dw_hdmi.c} (70%)
>  rename drivers/{staging/imx-drm/imx-hdmi.h => gpu/drm/bridge/dw_hdmi.h} (99%)
>  create mode 100644 drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
>  create mode 100644 drivers/staging/imx-drm/dw_hdmi-imx.c
>  create mode 100644 include/drm/bridge/dw_hdmi.h
>
> --
> 1.9.1
>



-- 
Daniel Kurtz | Software Engineer | djkurtz@...gle.com | 650.204.0722
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