linux-kernel - Re: [PATCH v2 7/7] arm64: defconfig: Enable Panfrost driver

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Message-ID: <CAJKOXPdk2MmBHjiDU4M6PA6O4ifVe_sDifejUPJiGPCQ7MR1sQ@mail.gmail.com>
Date:   Sat, 22 Jun 2019 10:39:07 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Vasily Khoruzhick <anarsoul@...il.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kukjin Kim <kgene@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
        devicetree <devicetree@...r.kernel.org>,
        arm-linux <linux-arm-kernel@...ts.infradead.org>,
        linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Joseph Kogut <joseph.kogut@...il.com>,
        Inki Dae <inki.dae@...sung.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: Re: [PATCH v2 7/7] arm64: defconfig: Enable Panfrost driver

On Fri, 21 Jun 2019 at 22:15, Vasily Khoruzhick <anarsoul@...il.com> wrote:
>
> On Fri, Jun 21, 2019 at 11:04 AM Krzysztof Kozlowski <krzk@...nel.org> wrote:
> >
> > Enable support for Mali GPU with Panfrost driver, e.g. for Exynos5433
> > and Exynos7 (having Mali T760).
> >
> > Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
> > ---
> >  arch/arm64/configs/defconfig | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> > index 6b4f5cf23324..972b17239f13 100644
> > --- a/arch/arm64/configs/defconfig
> > +++ b/arch/arm64/configs/defconfig
> > @@ -517,6 +517,7 @@ CONFIG_DRM_HISI_HIBMC=m
> >  CONFIG_DRM_HISI_KIRIN=m
> >  CONFIG_DRM_MESON=m
> >  CONFIG_DRM_PL111=m
> > +CONFIG_DRM_PANFROST=m
>
> It makes sense to enable lima for arm64 defconfig as well since it's
> used on number of 64-bit Allwinner SoCs.

I wasn't aware that some of ARMv8 SoCs still use Utgard. In such case
it makes sense indeed, I will send a follow up.

Thanks for feedback!

Krzysztof