[PATCH] drm/loongson: Add support for the DC in LS2K1000 SoC

Maxime Ripard mripard at kernel.org
Thu Oct 19 08:11:40 UTC 2023


On Fri, Oct 13, 2023 at 06:28:01PM +0800, Sui Jingfeng wrote:
> Hi,
> 
> 
> On 2023/10/13 16:22, Icenowy Zheng wrote:
> > 在 2023-10-12星期四的 00:26 +0800,Sui Jingfeng写道:
> > > LS2K1000 is a low end SoC (two core 1.0gHz), it don't has dedicated
> > > VRAM.
> > > It requires the framebuffer to be phisically continguous to scanout.
> > > The
> > > display controller in LS2K1000 don't has built-in GPIO hardware, the
> > > structure (register bit field) of its pixel, DC, GPU, DDR PLL are
> > > also
> > > defferent from other model. But for the display controller itself,
> > > Most of
> > > hardware features of it are same with ls7a1000.
> > > 
> > > Below is a simple dts for it.
> > Why don't you write a proper, YAML-formatted binding?
> > 
> This patch use only one DT property, that is the "memory-region = <&display_reserved>;".
> But the memory-region property is a common property, I means that everyone know how to
> use this property. I'm not sure the if YAML documentation is strictly required now.

AFAIK it is, and even if it's not, please do it.

Maxime


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