From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_NEOMUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3549C07E85 for ; Fri, 7 Dec 2018 09:09:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 939C520882 for ; Fri, 7 Dec 2018 09:09:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 939C520882 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726014AbeLGJJi (ORCPT ); Fri, 7 Dec 2018 04:09:38 -0500 Received: from mail.bootlin.com ([62.4.15.54]:46455 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725966AbeLGJJi (ORCPT ); Fri, 7 Dec 2018 04:09:38 -0500 Received: by mail.bootlin.com (Postfix, from userid 110) id 5831E20717; Fri, 7 Dec 2018 10:09:35 +0100 (CET) Received: from localhost (aaubervilliers-681-1-79-44.w90-88.abo.wanadoo.fr [90.88.21.44]) by mail.bootlin.com (Postfix) with ESMTPSA id 2AF3720510; Fri, 7 Dec 2018 10:09:35 +0100 (CET) Date: Fri, 7 Dec 2018 10:09:35 +0100 From: Maxime Ripard To: Kishon Vijay Abraham I Cc: Boris Brezillon , Thomas Petazzoni , Laurent Pinchart , linux-media@vger.kernel.org, Archit Taneja , Andrzej Hajda , Chen-Yu Tsai , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, Krzysztof Witos , Rafal Ciepiela Subject: Re: [PATCH v2 0/9] phy: Add configuration interface for MIPI D-PHY devices Message-ID: <20181207090935.xw5oonoe7od7hmkq@flea> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="troqpcfqchs4wkuw" Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --troqpcfqchs4wkuw Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Dec 07, 2018 at 10:30:55AM +0530, Kishon Vijay Abraham I wrote: > Maxime, >=20 > On 06/11/18 8:24 PM, Maxime Ripard wrote: > > Hi, > >=20 > > Here is a set of patches to allow the phy framework consumers to test a= nd > > apply runtime configurations. > >=20 > > This is needed to support more phy classes that require tuning based on > > parameters depending on the current use case of the device, in addition= to > > the power state management already provided by the current functions. > >=20 > > A first test bed for that API are the MIPI D-PHY devices. There's a num= ber > > of solutions that have been used so far to support these phy, most of t= he > > time being an ad-hoc driver in the consumer. > >=20 > > That approach has a big shortcoming though, which is that this is quite > > difficult to deal with consumers integrated with multiple variants of p= hy, > > of multiple consumers integrated with the same phy. > >=20 > > The latter case can be found in the Cadence DSI bridge, and the CSI > > transceiver and receivers. All of them are integrated with the same phy= , or > > can be integrated with different phy, depending on the implementation. > >=20 > > I've looked at all the MIPI DSI drivers I could find, and gathered all = the > > parameters I could find. The interface should be complete, and most of = the > > drivers can be converted in the future. The current set converts two of > > them: the above mentionned Cadence DSI driver so that the v4l2 drivers = can > > use them, and the Allwinner MIPI-DSI driver. >=20 > Are you planning to send one more revision of this series after fixing the > comments? I'll send a new version today. Thanks! Maxime --=20 Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --troqpcfqchs4wkuw Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXAo4zwAKCRDj7w1vZxhR xbdOAQCILMy+JAxd6RYgHspolG6rz2rl0icJwBXZiKs8fE/kMwD/ch79eAPk78lF sYujEN+9EIEfzYtOZi8/7VZdxA9JKwU= =vt2O -----END PGP SIGNATURE----- --troqpcfqchs4wkuw--