From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756266AbdESSIi convert rfc822-to-8bit (ORCPT ); Fri, 19 May 2017 14:08:38 -0400 Received: from hermes.aosc.io ([199.195.250.187]:55622 "EHLO hermes.aosc.io" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753536AbdESSI1 (ORCPT ); Fri, 19 May 2017 14:08:27 -0400 Date: Sat, 20 May 2017 02:08:18 +0800 In-Reply-To: <20170519180330.7hpfkdqk3r2x3kn5@flea.home> References: <20170517164354.16399-1-icenowy@aosc.io> <20170517164354.16399-8-icenowy@aosc.io> <20170519180330.7hpfkdqk3r2x3kn5@flea.home> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT Subject: Re: [RFC PATCH 07/11] drm: sun4i: add support for the TV encoder in H3 SoC To: Maxime Ripard CC: Rob Herring , Chen-Yu Tsai , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-sunxi@googlegroups.com From: Icenowy Zheng Message-ID: <3FCDBC05-20A1-460C-A21B-8C3E9C776768@aosc.io> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 于 2017年5月20日 GMT+08:00 上午2:03:30, Maxime Ripard 写到: >On Thu, May 18, 2017 at 12:43:50AM +0800, Icenowy Zheng wrote: >> Allwinner H3 features a TV encoder similar to the one in earlier >SoCs, >> but with some different points about clocks: >> - It has a mod clock and a bus clock. >> - The mod clock must be at a fixed rate to generate signal. > >Why? It's experiment result by Jernej. The clock rates in BSP kernel is also specially designed (PLL_DE at 432MHz) in order to be able to feed the TVE. > >Maxime