From mboxrd@z Thu Jan  1 00:00:00 1970
From: Maxime Ripard <maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>
Subject: Re: [PATCH v4 3/4] drm/sun4i: Enable DE2 Mixer for
 SUN8I and SUN50I
Date: Wed, 5 Sep 2018 16:48:52 +0200
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To: Jagan Teki <jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>
Cc: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>, Icenowy Zheng <icenowy-h8G6r0blFSE@public.gmane.org>, Jernej Skrabec <jernej.skrabec-gGgVlfcn5nU@public.gmane.org>, Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>, Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>, Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>, David Airlie <airlied-cv59FeDIM0c@public.gmane.org>, dri-devel <dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>, Michael Turquette <mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>, Stephen Boyd <sboyd-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, linux-clk <linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Michael Trimarchi <michael-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>, linux-arm-kernel <linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>, devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, linux-kernel <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, linux-sunxi <linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
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On Wed, Sep 05, 2018 at 01:51:25PM +0530, Jagan Teki wrote:
> On Wed, Sep 5, 2018 at 12:37 PM, Maxime Ripard
> <maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org> wrote:
> > On Tue, Sep 04, 2018 at 10:06:08PM +0530, Jagan Teki wrote:
> >> Allwinner SoC like SUN8I and SUN50I are now using DE2 Mixer
> >> so enable them as default.
> >>
> >> Signed-off-by: Jagan Teki <jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>
> >> ---
> >> Changes for v4, v3:
> >> - none
> >> Changes for v2:
> >> - Enable for SUN8I
> >>
> >>  drivers/gpu/drm/sun4i/Kconfig | 2 +-
> >>  1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> diff --git a/drivers/gpu/drm/sun4i/Kconfig b/drivers/gpu/drm/sun4i/Kconfig
> >> index c2c042287c19..cfa8b96273fb 100644
> >> --- a/drivers/gpu/drm/sun4i/Kconfig
> >> +++ b/drivers/gpu/drm/sun4i/Kconfig
> >> @@ -61,7 +61,7 @@ config DRM_SUN8I_DW_HDMI
> >>
> >>  config DRM_SUN8I_MIXER
> >>       tristate "Support for Allwinner Display Engine 2.0 Mixer"
> >> -     default MACH_SUN8I
> >> +     default MACH_SUN8I || (ARM64 && ARCH_SUNXI)
> >
> > I'm not really sure we should put it as a default. We should just
> > enable it in the defconfig.
> 
> What would be the difference in both cases it would be build as module
> since DRM_SUN4I=m for ARM64

We wouldn't force it down the throat to every user by default, even
though they have no interest in that driver being compiled into their
kernel.

Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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