From: Daniel Kurtz <djkurtz@chromium.org>
To: Bibby Hsieh <bibby.hsieh@mediatek.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
"open list:OPEN FIRMWARE AND..." <devicetree@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@lists.infradead.org>,
Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Yingjoe Chen <yingjoe.chen@mediatek.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
James Liao <jamesjj.liao@mediatek.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
YH Huang <yh.huang@mediatek.com>, CK Hu <ck.hu@mediatek.com>,
Yong Wu <yong.wu@mediatek.com>,
Eddie Huang <eddie.huang@mediatek.com>,
"dawei.chien@mediatek.com" <dawei.chien@mediatek.com>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
Junzhi Zhao <junzhi.zhao@mediatek.com>,
Philipp Zabel <p.zabel@pengutronix.de>
Subject: Re: [PATCH v5] arm64: dts: mt8173: add mmsel clocks for 4K support
Date: Thu, 12 Jan 2017 12:50:44 +0800 [thread overview]
Message-ID: <CAGS+omAZvHmSz6bJcvisC1LZgxwbd-HzvYMDrHXzfkY3mZZEsw@mail.gmail.com> (raw)
In-Reply-To: <1470279438-60372-1-git-send-email-bibby.hsieh@mediatek.com>
Hi Matthias,
(Trying again to send plain text email)...
On Thu, Aug 4, 2016 at 10:57 AM, Bibby Hsieh <bibby.hsieh@mediatek.com> wrote:
> To support HDMI 4K resolution, mmsys need clcok
> mm_sel to be 400MHz.
>
> The board .dts file should override the clock rate
> property with the higher VENCPLL frequency the board
> supports HDMI 4K resolution.
>
> Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
It looks like this patch was lost. It is actually a prerequisite for
MTK 4k HDMI support, which already landed in v4.9.
See the email thread entitled:
[PATCH v5 0/3] MT8173 HDMI 4K support <https://lkml.org/lkml/2016/9/28/893>
Or these three:
0d2200794f0a drm/mediatek: modify the factor to make the pll_rate set
in the 1G-2G range
968253bd7caa drm/mediatek: enhance the HDMI driving current
d542b7c473f0 drm/mediatek: do mtk_hdmi_send_infoframe after HDMI clock enable
-Dan
> ---
> arch/arm64/boot/dts/mediatek/mt8173.dtsi | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> index 78529e4..c3f32f3 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> @@ -690,6 +690,8 @@
> compatible = "mediatek,mt8173-mmsys", "syscon";
> reg = <0 0x14000000 0 0x1000>;
> power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> + assigned-clocks = <&topckgen CLK_TOP_MM_SEL>;
> + assigned-clock-rates = <400000000>;
> #clock-cells = <1>;
> };
>
> --
> 1.7.9.5
>
next prev parent reply other threads:[~2017-01-12 4:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-04 2:57 [PATCH v5] arm64: dts: mt8173: add mmsel clocks for 4K support Bibby Hsieh
2017-01-12 4:50 ` Daniel Kurtz [this message]
2017-01-13 15:32 ` Matthias Brugger
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