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Date: Wed, 07 Jan 2015 15:17:44 +0800
From: Andy Yan <andy.yan@...k-chips.com>
To: Liu Ying <Ying.Liu@...escale.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
Hi Liu Ying , Philipp:
On 2015年01月07日 10:39, Liu Ying wrote:
>
> 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
>
>
>
Very sorry for these issue, thank you for pointing out it.
I will send [PATCH V18.1 12/12] for a fix.
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