[PATCH 1/2] dt-bindings: gpu: add Exynos Mali vendor specifics

[Krzysztof Kozlowski]

On Tue, 18 Jun 2019 at 00:06, Rob Herring <robh+dt at kernel.org> wrote:
>
> On Sun, Jun 16, 2019 at 2:16 AM Krzysztof Kozlowski <krzk at kernel.org> wrote:
> >
> > On Fri, Jun 14, 2019 at 01:31:43PM -0700, Joseph Kogut wrote:
> > > Document vendor specific compatible string for Mali gpus on Exynos SoCs.
> > >
> > > Signed-off-by: Joseph Kogut <joseph.kogut at gmail.com>
> > > ---
> > >  Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt | 1 +
> > >  1 file changed, 1 insertion(+)
> > >
> > > diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
> > > index 1b1a74129141..a9704c736d07 100644
> > > --- a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
> > > +++ b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
> > > @@ -18,6 +18,7 @@ Required properties:
> > >      + "amlogic,meson-gxm-mali"
> > >      + "rockchip,rk3288-mali"
> > >      + "rockchip,rk3399-mali"
> > > +    + "samsung,exynos-mali"
> >
> > Are there any driver differences for Exynos? If not then why adding
> > another compatible?
>
> Wrong question. Are there any hardware differences? (Trick question
> because difference compared to what?)
>
> Really, this shouldn't be 'exynos', but per SoC. But I'll leave it to
> the Samsung folks to decide how specific it should be.

If vendor compatible is expected, then let's go with per-soc
(Exynos5420) because other SoCs use different Midgard chipsets so they
might come with own differences.

Best regards,
Krzysztof