[U-Boot] [PATCH v4 2/3] video: add an option for video simplefb via DT

[Icenowy Zheng]

于 2017年9月18日 GMT+08:00 下午3:29:06, Maxime Ripard <maxime.ripard at free-electrons.com> 写到:
>Hi,
>
>On Fri, Sep 15, 2017 at 09:59:20AM +0800, Icenowy Zheng wrote:
>> Add an option to indicate that the video driver should setup a
>SimpleFB
>> node that passes the video framebuffer initialized by U-Boot to the
>> operating system kernel.
>> 
>> Currently only the Allwinner DE2 driver uses this option.
>> 
>> Signed-off-by: Icenowy Zheng <icenowy at aosc.io>
>> ---
>> Changes in v4:
>> - Remove the dependency of VIDEO_DT_SIMPLEFB.
>> 
>>  drivers/video/Kconfig | 8 ++++++++
>>  1 file changed, 8 insertions(+)
>> 
>> diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
>> index 082cc4a528..547d4cc0c7 100644
>> --- a/drivers/video/Kconfig
>> +++ b/drivers/video/Kconfig
>> @@ -601,4 +601,12 @@ config VIDEO_DW_HDMI
>>  	  rather requires a SoC-specific glue driver to call it), it
>>  	  can not be enabled from the configuration menu.
>>  
>> +config VIDEO_DT_SIMPLEFB
>> +	bool "Enable SimpleFB support for passing framebuffer to OS"
>> +	help
>> +	  Enables the code to pass the framebuffer to the kernel as a
>> +	  simple framebuffer in the device tree.
>> +	  The video output is initialized by U-Boot, and kept by the
>> +	  kernel.
>> +
>
>You should also remove it from the current users. It will generate a
>warning otherwise.

I think the only current user is DE1.

Should I also convert DE1 to use this option in this patch?

>
>Maxime