[U-Boot] [PATCH v4 0/3] Allwinner DE2 HDMI SimpleFB support

[icenowy at aosc.io]

在 2017-09-15 21:35，Maxime Ripard 写道：
> On Fri, Sep 15, 2017 at 02:25:12PM +0100, Peter Robinson wrote:
>> On Fri, Sep 15, 2017 at 2:59 AM, Icenowy Zheng <icenowy at aosc.io> 
>> wrote:
>> > This patchset is for Allwinner DE2 HDMI SimpleFB support.
>> >
>> > The framebuffer initialized by the Allwinner DE2 driver can be
>> > passed by to the kernel as simplefb, and this can enable the
>> > kernel to display graphics without having full DE2 driver.
>> >
>> > Add the suppot of simplefb in DE2 code.
>> >
>> > The code to find a simplefb with sunxi extension and a suitable
>> > pipeline is extracted to a new source file in video/sunxi/.
>> >
>> > An option is added for device tree simplefb, and furtherly
>> > other simplefb support code should also be converted to it.
>> 
>> There was a generic simplefb driver recently added [1], is it worth
>> basing it on that?
>> 
>> [1] https://lists.denx.de/pipermail/u-boot/2017-September/306273.html
> 
> This is a simplefb "client", it uses a display that has already been
> initialized. What Icenowy is working on is a "provider", ie it
> initializes the display in order for other components to reuse it
> (Linux).

As I know, now FreeBSD and NetBSD are also going to use the simplefb.

> 
> Maxime