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Message-ID: <54AC9C62.3030203@freescale.com>
Date: Wed, 7 Jan 2015 10:39:30 +0800
From: Liu Ying <Ying.Liu@...escale.com>
To: Andy Yan <andy.yan@...k-chips.com>, <airlied@...ux.ie>,
Philipp Zabel <p.zabel@...gutronix.de>, <heiko@...ech.de>,
<fabio.estevam@...escale.com>, <rmk+kernel@....linux.org.uk>
CC: Mark Rutland <mark.rutland@....com>,
<dri-devel@...ts.freedesktop.org>, <ykk@...k-chips.com>,
<devel@...verdev.osuosl.org>, Arnd Bergmann <arnd@...db.de>,
<linux-rockchip@...ts.infradead.org>,
Grant Likely <grant.likely@...aro.org>,
Dave Airlie <airlied@...hat.com>, <jay.xu@...k-chips.com>,
<devicetree@...r.kernel.org>, <Zubair.Kakakhel@...tec.com>,
Pawel Moll <pawel.moll@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Rob Herring <robh+dt@...nel.org>, <mark.yao@...k-chips.com>,
Josh Boyer <jwboyer@...hat.com>,
"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
<linux-kernel@...r.kernel.org>, <djkurtz@...gle.com>,
Kumar Gala <galak@...eaurora.org>,
<vladimir_zapolskiy@...tor.com>
Subject: Re: [PATCH v18 0/12] dw-hdmi: convert imx hdmi to bridge/dw_hdmi
On 12/05/2014 02:22 PM, Andy Yan 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): convert imx-hdmi to drm_bridge
> (3): split platform specific code
> (4): move imx-hdmi to bridge/dw_hdmi
> (5): extend dw_hdmi.c to support rk3288 hdmi
> (6): add rockchip rk3288 platform specific code dw_hdmi-rockchip.c
>
> Changes in v18:
> - remove a multiple blank lines in imx-hdmi.c
> - fix a checkpatch warning in imx-hdmi_pltfm.c
> - add port bindings
> - correct some spelling mistakes in dw_hdmi bindings doc
> - correct some spelling mistakes in dw_hdmi-rockchip bindings doc
>
> Changes in v17:
> - remove platform device stuff, adviced by Russell King
> - remove prompt message of dw_hdmi, adviced by Russel King
> - parse resource and irq in platform driver
>
> Changes in v16:
> - use the common binding for the clocks
> - describe ddc-i2c-bus as optional
> - add common clocks bindings
> - modify clocks bindings
> - descrbie ddc-i2c-bus as optional
>
> Changes in v15:
> - add prefix dw_hdmi/DW_HDMI for public used dw_hdmi structs
> adviced by Philipp Zabel
> - remove THIS_MODULE in platform driver
> - remove unio of the multi-byte register access, adviced by Philipp Zabel
> - remove THIS_MODULE in platform driver
>
> Changes in v14:
> - add defer probing, adviced by Philipp Zabel
> - remove drm_connector_register, because imx-drm core has registered
> connector
>
> Changes in v13:
> - patch against drm-next
> - split platform specific phy configuration
> - split phy configuration from patch#4
>
> Changes in v12:
> - refactor of_node_put(ddc_node)
> - squash patch <convert dw_hdmi to drm_bridge>
> - add comment for the depend on patch
>
> Changes in v11:
> - squash patch <split some phy configuration to platform driver>
>
> 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
> - 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
>
> Andy Yan (12):
> drm: imx: imx-hdmi: make checkpatch happy
> drm: imx: imx-hdmi: return defer if can't get ddc i2c adapter
> drm: imx: imx-hdmi: convert imx-hdmi to drm_bridge mode
> drm: imx: imx-hdmi: split phy configuration to platform driver
> drm: imx: 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
>
> .../devicetree/bindings/drm/bridge/dw_hdmi.txt | 50 ++
> .../devicetree/bindings/video/dw_hdmi-rockchip.txt | 46 ++
> drivers/gpu/drm/bridge/Kconfig | 5 +
> drivers/gpu/drm/bridge/Makefile | 1 +
> .../gpu/drm/{imx/imx-hdmi.c => bridge/dw_hdmi.c} | 717 ++++++++++-----------
> .../gpu/drm/{imx/imx-hdmi.h => bridge/dw_hdmi.h} | 4 +-
> drivers/gpu/drm/imx/Kconfig | 1 +
> drivers/gpu/drm/imx/Makefile | 2 +-
> drivers/gpu/drm/imx/dw_hdmi-imx.c | 258 ++++++++
> drivers/gpu/drm/rockchip/Kconfig | 10 +
> drivers/gpu/drm/rockchip/Makefile | 2 +
> drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 341 ++++++++++
> include/drm/bridge/dw_hdmi.h | 61 ++
> 13 files changed, 1111 insertions(+), 387 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/gpu/drm/{imx/imx-hdmi.c => bridge/dw_hdmi.c} (72%)
> rename drivers/gpu/drm/{imx/imx-hdmi.h => bridge/dw_hdmi.h} (99%)
> create mode 100644 drivers/gpu/drm/imx/dw_hdmi-imx.c
> create mode 100644 drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
> create mode 100644 include/drm/bridge/dw_hdmi.h
>
After applying this series, I find there is a build break issue with the
allmodconfig configuration for the ARM architecture.
Please fix this.
drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c:243:1: error:
‘__mod_of__dw_hdmi_rockchip_dt_ids_device_table’ aliased to undefined
symbol ‘dw_hdmi_rockchip_dt_ids’
scripts/Makefile.build:257: recipe for target
'drivers/gpu/drm/rockchip/dw_hdmi-rockchip.o' failed
make[4]: *** [drivers/gpu/drm/rockchip/dw_hdmi-rockchip.o] Error 1
scripts/Makefile.build:402: recipe for target 'drivers/gpu/drm/rockchip'
failed
make[3]: *** [drivers/gpu/drm/rockchip] Error 2
scripts/Makefile.build:402: recipe for target 'drivers/gpu/drm' failed
make[2]: *** [drivers/gpu/drm] Error 2
scripts/Makefile.build:402: recipe for target 'drivers/gpu' failed
make[1]: *** [drivers/gpu] Error 2
Makefile:937: recipe for target 'drivers' failed
make: *** [drivers] Error 2
Regards,
Liu Ying
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