Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932934AbaDIKqg (ORCPT ); Wed, 9 Apr 2014 06:46:36 -0400 Received: from mail-wg0-f49.google.com ([74.125.82.49]:63658 "EHLO mail-wg0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750784AbaDIKqd (ORCPT ); Wed, 9 Apr 2014 06:46:33 -0400 MIME-Version: 1.0 In-Reply-To: <53452157.9030203@samsung.com> References: <1396967856-27470-1-git-send-email-t.stanislaws@samsung.com> <1396967856-27470-3-git-send-email-t.stanislaws@samsung.com> <53452157.9030203@samsung.com> Date: Wed, 9 Apr 2014 16:16:31 +0530 Message-ID: Subject: Re: [PATCHv2 2/3] drm: exynos: hdmi: use hdmiphy as PHY From: Rahul Sharma To: Andrzej Hajda Cc: Tomasz Stanislawski , "linux-kernel@vger.kernel.org" , linux-samsung-soc , "devicetree@vger.kernel.org" , "linux-media@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , Kukjin Kim , Kishon Vijay Abraham I , Kyungmin Park , Rob Herring , Grant Likely , Sylwester Nawrocki , Rahul Sharma , sunil joshi Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Andrzej, On 9 April 2014 16:00, Andrzej Hajda wrote: > Hi Tomasz, > > On 04/08/2014 04:37 PM, Tomasz Stanislawski wrote: >> The HDMIPHY (physical interface) is controlled by a single >> bit in a power controller's regiter. It was implemented >> as clock. It was a simple but effective hack. > > This power controller register has also bits to control HDMI clock > divider ratio. I guess current drivers do not change it, but how do you > want to implement access to it if some HDMI driver in the future will > need to change ratio. I guess in case of clk it would be easier. If it is really required to change this divider, it should be registered as a clock provider in clock driver exposing single divider clock. Regards, Rahul Sharma > > Regards > Andrzej > > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/