From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grigori Goronzy Subject: Re: [PATCH] drm/radeon: warn users when hw_i2c is enabled Date: Tue, 07 Jan 2014 16:58:03 +0100 Message-ID: <52CC240B.3080902@chown.ath.cx> References: <1389107665-2952-1-git-send-email-alexander.deucher@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from pygmy.kinoho.net (pygmy.kinoho.net [134.0.27.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 32FC0FA111 for ; Tue, 7 Jan 2014 07:58:06 -0800 (PST) In-Reply-To: <1389107665-2952-1-git-send-email-alexander.deucher@amd.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org To: Alex Deucher , dri-devel@lists.freedesktop.org Cc: Alex Deucher , stable@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org On 07.01.2014 16:14, Alex Deucher wrote: > The hw i2c engines are disabled by default as the > current implementation is still experimental. Print > a warning when users enable it so that it's obvious > when the option is enabled. > Does hardware I2C actually have any advantage in the DDC use case? AFAICT it's only transferring small amounts of data and mostly on display connect events, so not very often. Best regards Grigori