Best practice device tree design for display subsystems/DRM

Daniel Drake dsd at laptop.org
Wed Jul 3 07:04:56 EST 2013


On Tue, Jul 2, 2013 at 1:57 PM, Sebastian Hesselbarth
<sebastian.hesselbarth at gmail.com> wrote:
> I am against a super node which contains lcd and dcon/ire nodes. You can
> enable those devices on a per board basis. We add them to dove.dtsi but
> disable them by default (status = "disabled").
>
> The DRM driver itself should get a video-card node outside of
> soc/internal-regs where you can put e.g. video memory hole (or video
> mem size if it will be taken from RAM later)

For completeness of the discussion, and my understanding too, can you
explain your objections to the display super-node in a bit more
detail?

Thanks
Daniel


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