[PATCH 1/5] dt-bindings: display: panel-dpi: Add bits-per-color property

[Maxime Ripard]

On Mon, Jul 20, 2020 at 08:10:26PM -0600, Rob Herring wrote:
> On Tue, Jul 14, 2020 at 03:13:01PM +0800, Chen-Yu Tsai wrote:
> > From: Chen-Yu Tsai <wens at csie.org>
> > 
> > Some LCD panels do not support 24-bit true color, or 8bits per channel
> > RGB. Many low end ones only support up to 6 bits per channel natively.
> 
> This should be implied by the panel's compatible property.

I'm not sure it should, or at least it's not sufficient. Some panels
while 24 bits capable might only have the higher bits connected to save
off a couple of pins per color, in which case we should probably
describe that somehow.

Maxime
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