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SubjectRe: [PATCH v3 2/3] dt-bindings: Add header for the ingenic-drm driver bindings
On Wed, 17 Apr 2019 at 10:48, Rob Herring <robh+dt@kernel.org> wrote:
>
> On Sun, Apr 14, 2019 at 3:08 PM Paul Cercueil <paul@crapouillou.net> wrote:
> >
> > Add macros that can be used with the ingenic,lcd-mode property in the
> > devicetree node that corresponds to the ingenic-drm driver.
>
> DRM is a Linuxism.
>
> >
> > Signed-off-by: Paul Cercueil <paul@crapouillou.net>
> > Tested-by: Artur Rojek <contact@artur-rojek.eu>
> > ---
> >
> > Notes:
> > v2: No change
> >
> > v3: s/_DRM//
> >
> > include/dt-bindings/display/ingenic,drm.h | 28 ++++++++++++++++++++++++++++
>
> DRM is a Linuxism...
>
> > 1 file changed, 28 insertions(+)
> > create mode 100644 include/dt-bindings/display/ingenic,drm.h
> >
> > diff --git a/include/dt-bindings/display/ingenic,drm.h b/include/dt-bindings/display/ingenic,drm.h
> > new file mode 100644
> > index 000000000000..c749b8c346fc
> > --- /dev/null
> > +++ b/include/dt-bindings/display/ingenic,drm.h
> > @@ -0,0 +1,28 @@
> > +/* SPDX-License-Identifier: GPL-2.0 */
> > +/*
> > + * Ingenic JZ47xx KMS driver
>
> Pretty sure this file is not a KMS driver.
>
> > + *
> > + * Copyright (C) 2019, Paul Cercueil <paul@crapouillou.net>
> > + */
> > +#ifndef __INCLUDE_DT_BINDINGS_DISPLAY_INGENIC_DRM_H__
> > +#define __INCLUDE_DT_BINDINGS_DISPLAY_INGENIC_DRM_H__
> > +
> > +#define JZ_LCD_GENERIC_16BIT 0
> > +#define JZ_LCD_GENERIC_18BIT 16
>
> We have some generic properties for defining the bus width already.
> Plus, in many cases this can be implied by the panel compatible. The
> exceptions are cases such as when both the ctrlr and panel support
> multiple modes.
>

In the same direction as Rob's comment, I'd like to see these decoupled
from the register value.

Ideally, we'd like to reuse this driver and its bindings for JZ4780,
and these values are already different.

Thanks!
--
Ezequiel García, VanguardiaSur
www.vanguardiasur.com.ar

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