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SubjectRe: [PATCH RFC 0/8] Add New DRM Driver for Hisilicon's Hi6220 SoC
On Wed, Sep 16, 2015 at 04:23:35PM +0100, Daniel Stone wrote:
> The biggest issue though, is that this driver should become an atomic
> modesetting driver. Atomic modesetting, rather than sending small
> individual commands (enable CRTC, change plane position, etc) is based
> on validating and passing around complete sets of hardware state.
> Daniel Vetter's blog has an article on how to convert your driver:
> http://blog.ffwll.ch/2014/11/atomic-modeset-support-for-kms-drivers.html

Yeah, any new driver should really be built on top of atomic - it's a lot
more flexible than the old thing and it's also what you want long-term.

I've also just done a presenation about atomic for drivers:

http://people.freedesktop.org/~danvet/presentations/xdc-2015.pdf

Cheers, Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch


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