[PATCH v7 0/8] drm: sun8i: Add DE2 HDMI video support

[Maxime Ripard]

On Thu, Dec 01, 2016 at 11:19:56AM +0200, Laurent Pinchart wrote:
> Hi Maxime,
> 
> On Thursday 01 Dec 2016 10:13:13 Maxime Ripard wrote:
> > On Wed, Nov 30, 2016 at 12:12:55PM +0200, Laurent Pinchart wrote:
> > >> More, it is not sure that the bridge/DW code would work with Allwinner's
> > >> SoCs.
> > > 
> > > If it doesn't work and can't be made to work in a non-invasive way they it
> > > should certainly not be used :-)
> > 
> > Even if the register layout is completely scrambled, as long as the
> > bits themselves aren't (and by comparing the two drivers it looks like
> > they haven't changed), you can easily deal with that using the
> > regmap_fields, with the two implementations (the original one and the
> > scrambled one) providing their register map that way, and the driver
> > code using whatever has been provided.
> 
> Looking at https://linux-sunxi.org/DWC_HDMI_Controller#DWC_HDMI_Controller it 
> seems that an address remapping function could be used.

Even better.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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