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[209.85.221.43]) by smtp.gmail.com with ESMTPSA id p5-v6sm7948240edc.33.2018.09.09.22.03.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 09 Sep 2018 22:03:49 -0700 (PDT) Received: by mail-wr1-f43.google.com with SMTP id j26-v6so20418055wre.2; Sun, 09 Sep 2018 22:03:49 -0700 (PDT) X-Received: by 2002:adf:8485:: with SMTP id 5-v6mr13656854wrg.34.1536555828970; Sun, 09 Sep 2018 22:03:48 -0700 (PDT) MIME-Version: 1.0 References: <20180907072234.48282-1-icenowy@aosc.io> In-Reply-To: <20180907072234.48282-1-icenowy@aosc.io> From: Chen-Yu Tsai Date: Mon, 10 Sep 2018 13:03:32 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [linux-sunxi] [PATCH 0/5] Fix A64 HDMI PHY device tree binding To: Icenowy Zheng Cc: Maxime Ripard , Rob Herring , Jernej Skrabec , dri-devel , devicetree , linux-arm-kernel , linux-kernel , linux-sunxi Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 7, 2018 at 3:22 PM Icenowy Zheng wrote: > > When adding support for A64 HDMI PHY in 4.19, we assumed that the two > PLL-VIDEOs can both feed the HDMI PHY clock. However experiments show > that the mux bit discovered in R40 blob is not applicable on A64. This > is not discovered, as normally with a single display pipeline only > PLL-VIDEO0 will be used. > > In this patchset the second PLL is dropped, and a binding specially for > R40 HDMI PHY is added (which seems to have the mux). > > PATCH 1 and 2 are dropping second PLL for A64 HDMI PHY, and PATCH 3 to 5 > are adding R40 HDMI PHY binding. > > This patchset targets v4.19 fixes tree, because the binding is > introduced in v4.19, and if we don't fix it there a wrong binding will > be left in a stable version released. Please add fixes tags. The patches look good, though I'm not sure about patches 3 and 4 going in fixes. ChenYu > Icenowy Zheng (5): > dt-bindings: sun4i-drm: drop second PLL from A64 HDMI PHY binding > drm: sun4i: drop second PLL from A64 HDMI PHY > dt-bindings: sun4i-drm: add compatible for R40 HDMI PHY > drm/sun4i: add support for R40 HDMI PHY > ARM: sun8i: dts: drop A64 HDMI PHY fallback compatible from R40 DT > > .../devicetree/bindings/display/sunxi/sun4i-drm.txt | 5 +++-- > arch/arm/boot/dts/sun8i-r40.dtsi | 3 +-- > drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c | 13 ++++++++++++- > 3 files changed, 16 insertions(+), 5 deletions(-) > > -- > 2.18.0 > > -- > You received this message because you are subscribed to the Google Groups "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscribe@googlegroups.com. > For more options, visit https://groups.google.com/d/optout.