Re: [PATCH 0/2] drm: add SimpleDRM driver

Luc Verhaegen
2016-08-04T14:21:48Z

On Thu, Aug 04, 2016 at 04:03:18PM +0200, Noralf Trønnes wrote:
>
> I have tested simpledrm on a Raspberry Pi B+ with U-boot setting up the
> framebuffer and producing this node:
>
> framebuffer@1e887000 {
> compatible = "simple-framebuffer";
> reg = <0x1e887000 0x36c600>;
> format = "r5g6b5";
> width = <1824>;
> height = <984>;
> stride = <3648>;
> status = "okay";
> };
>
> I have only tested with fbcon and modetest (XR24,RG16).

Please do not make the same mistake as simplefb in making this purely a
rpifb. Know that you will need some power and clock management for
properly free devices that do not depend on a binary only RTOS which
does _everything_ behind our backs.

Cfr this useless, endless and ridiculous discussion:
http://lists.infradead.org/pipermail/linux-arm-kernel/2014-August/279071.html

Luc Verhaegen.