From: Maxime Ripard <maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>
To: Icenowy Zheng <icenowy-h8G6r0blFSE@public.gmane.org>
Cc: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>,
Jagan Teki
<jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>,
Jernej Skrabec <jernej.skrabec-gGgVlfcn5nU@public.gmane.org>,
dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: Re: [PATCH v4 01/11] clk: sunxi-ng: a64: Add minimal rate for video PLLs
Date: Wed, 5 Sep 2018 09:16:31 +0200 [thread overview]
Message-ID: <20180905071631.pke35tfyyeahdi3i@flea> (raw)
In-Reply-To: <20180904044053.15425-2-icenowy-h8G6r0blFSE@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 709 bytes --]
On Tue, Sep 04, 2018 at 12:40:43PM +0800, Icenowy Zheng wrote:
> From: Jagan Teki <jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>
>
> According to documentation and experience with other similar SoCs, video
> PLLs don't work stable if their output frequency is set below 192 MHz.
>
> Because of that, set minimal rate to both A64 video PLLs to 192 MHz.
>
> Signed-off-by: Jagan Teki <jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>
> Signed-off-by: Icenowy Zheng <icenowy-h8G6r0blFSE@public.gmane.org>
> Reviewed-by: Jernej Skrabec <jernej.skrabec-gGgVlfcn5nU@public.gmane.org>
Applied, thanks
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2018-09-05 7:16 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-04 4:40 [PATCH v4 00/11] arm64: allwinner: Add A64 DE2 HDMI support Icenowy Zheng
[not found] ` <20180904044053.15425-1-icenowy-h8G6r0blFSE@public.gmane.org>
2018-09-04 4:40 ` [PATCH v4 01/11] clk: sunxi-ng: a64: Add minimal rate for video PLLs Icenowy Zheng
[not found] ` <20180904044053.15425-2-icenowy-h8G6r0blFSE@public.gmane.org>
2018-09-05 7:16 ` Maxime Ripard [this message]
2018-09-04 4:40 ` [PATCH v4 02/11] clk: sunxi-ng: a64: Add max. rate constraint to " Icenowy Zheng
[not found] ` <20180904044053.15425-3-icenowy-h8G6r0blFSE@public.gmane.org>
2018-09-05 7:16 ` Maxime Ripard
2018-09-05 10:17 ` Sergey Suloev
2018-09-05 10:22 ` Sergey Suloev
2018-09-04 4:40 ` [PATCH v4 06/11] dt-bindings: display: Add compatible for A64 HDMI Icenowy Zheng
[not found] ` <20180904044053.15425-7-icenowy-h8G6r0blFSE@public.gmane.org>
2018-09-05 7:21 ` Maxime Ripard
2018-09-04 4:40 ` [PATCH v4 07/11] dt-bindings: clock: sun50i-a64-ccu: Add PLL_VIDEO0 macro Icenowy Zheng
[not found] ` <20180904044053.15425-8-icenowy-h8G6r0blFSE@public.gmane.org>
2018-09-05 7:21 ` Maxime Ripard
2018-09-04 4:40 ` [PATCH v4 08/11] arm64: dts: allwinner: a64: Add display pipeline Icenowy Zheng
[not found] ` <20180904044053.15425-9-icenowy-h8G6r0blFSE@public.gmane.org>
2018-09-05 7:50 ` Maxime Ripard
2018-09-07 4:13 ` Jagan Teki
[not found] ` <CAMty3ZBo+X5o22i1=HR9d1VjkEWQ7=DHHPL9RLtbzbyzCZLyFw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-09-07 8:21 ` Maxime Ripard
2018-09-06 6:18 ` Jagan Teki
[not found] ` <CAMty3ZDn=uj3buvJx93R1J7Swr3CyfjJJ=MgQTGvRZ01izbAAA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-09-06 6:19 ` Icenowy Zheng
2018-09-04 4:40 ` [PATCH v4 09/11] dt-bindings: sun4i-drm: add HDMI VCC supply property for sun8i-dw-hdmi Icenowy Zheng
[not found] ` <20180904044053.15425-10-icenowy-h8G6r0blFSE@public.gmane.org>
2018-09-05 7:22 ` Maxime Ripard
2018-09-04 4:40 ` [PATCH v4 10/11] drm/sun4i: Add support for HDMI voltage regulator Icenowy Zheng
[not found] ` <20180904044053.15425-11-icenowy-h8G6r0blFSE@public.gmane.org>
2018-09-05 7:22 ` Maxime Ripard
2018-09-04 4:40 ` [PATCH v4 11/11] arm64: dts: allwinner: a64: Enable HDMI output on A64 boards w/ HDMI Icenowy Zheng
[not found] ` <20180904044053.15425-12-icenowy-h8G6r0blFSE@public.gmane.org>
2018-09-05 7:26 ` Jagan Teki
[not found] ` <CAMty3ZCvpUf0nJ3WuPccP8BizBP=Uc8ChzB8SeN8fkX2iS1E_Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-09-05 7:51 ` Maxime Ripard
2018-09-05 7:57 ` Jagan Teki
2018-09-05 22:53 ` [linux-sunxi] " Vasily Khoruzhick
2018-09-06 4:12 ` Vasily Khoruzhick
[not found] ` <CAMty3ZAVr_d+Rwry_DMWY221OC+YSWmReNm-TXzYWgpd1s68+w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-09-06 5:07 ` Jernej Škrabec
2018-09-04 4:40 ` [PATCH v4 03/11] dt-bindings: display: Add compatible for A64 DE2 display pipeline Icenowy Zheng
[not found] ` <20180904044053.15425-4-icenowy-h8G6r0blFSE@public.gmane.org>
2018-09-05 7:20 ` Maxime Ripard
2018-09-04 4:40 ` [PATCH v4 04/11] drm/sun4i: Add support for A64 mixers Icenowy Zheng
2018-09-05 7:21 ` Maxime Ripard
2018-09-04 4:40 ` [PATCH v4 05/11] drm/sun4i: Add support for A64 display engine Icenowy Zheng
[not found] ` <20180904044053.15425-6-icenowy-h8G6r0blFSE@public.gmane.org>
2018-09-05 7:21 ` Maxime Ripard
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