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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_1 autolearn=no 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 D2A55C433B4 for ; Tue, 20 Apr 2021 09:31:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A95E261073 for ; Tue, 20 Apr 2021 09:31:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230234AbhDTJbx (ORCPT ); Tue, 20 Apr 2021 05:31:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41824 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229729AbhDTJbx (ORCPT ); Tue, 20 Apr 2021 05:31:53 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30860C06174A; Tue, 20 Apr 2021 02:31:22 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: benjamin.gaignard) with ESMTPSA id 906181F4277A Subject: Re: [PATCH v9 03/13] media: hantro: Use syscon instead of 'ctrl' register To: Hans Verkuil , Lucas Stach , ezequiel@collabora.com, p.zabel@pengutronix.de, mchehab@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, lee.jones@linaro.org, gregkh@linuxfoundation.org, mripard@kernel.org, paul.kocialkowski@bootlin.com, wens@csie.org, jernej.skrabec@siol.net, emil.l.velikov@gmail.com, "Peng Fan (OSS)" , Jacky Bai Cc: devel@driverdev.osuosl.org, devicetree@vger.kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-imx@nxp.com, kernel@pengutronix.de, kernel@collabora.com, cphealy@gmail.com, linux-arm-kernel@lists.infradead.org References: <20210407073534.376722-1-benjamin.gaignard@collabora.com> <20210407073534.376722-4-benjamin.gaignard@collabora.com> <7bcbb787d82f21d42563d8fb7e3c2e7d40123932.camel@pengutronix.de> <529b61b1b1e6030c92a7944c4864246521b2ccdd.camel@pengutronix.de> <36008691-d075-203d-0cac-2a012773ea34@collabora.com> <43a767f8-77f5-7937-c484-753a3123f6a2@xs4all.nl> From: Benjamin Gaignard Message-ID: Date: Tue, 20 Apr 2021 11:31:16 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <43a767f8-77f5-7937-c484-753a3123f6a2@xs4all.nl> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Le 20/04/2021 à 11:16, Hans Verkuil a écrit : > On 20/04/2021 11:10, Benjamin Gaignard wrote: >> Le 16/04/2021 à 17:14, Lucas Stach a écrit : >>> Am Freitag, dem 16.04.2021 um 15:08 +0200 schrieb Benjamin Gaignard: >>>> Le 16/04/2021 à 12:54, Lucas Stach a écrit : >>>>> Am Mittwoch, dem 07.04.2021 um 09:35 +0200 schrieb Benjamin Gaignard: >>>>>> In order to be able to share the control hardware block between >>>>>> VPUs use a syscon instead a ioremap it in the driver. >>>>>> To keep the compatibility with older DT if 'nxp,imx8mq-vpu-ctrl' >>>>>> phandle is not found look at 'ctrl' reg-name. >>>>>> With the method it becomes useless to provide a list of register >>>>>> names so remove it. >>>>> Sorry for putting a spoke in the wheel after many iterations of the >>>>> series. >>>>> >>>>> We just discussed a way forward on how to handle the clocks and resets >>>>> provided by the blkctl block on i.MX8MM and later and it seems there is >>>>> a consensus on trying to provide virtual power domains from a blkctl >>>>> driver, controlling clocks and resets for the devices in the power >>>>> domain. I would like to avoid introducing yet another way of handling >>>>> the blkctl and thus would like to align the i.MX8MQ VPU blkctl with >>>>> what we are planning to do on the later chip generations. >>>>> >>>>> CC'ing Jacky Bai and Peng Fan from NXP, as they were going to give this >>>>> virtual power domain thing a shot. >>>> That could replace the 3 first patches and Dt patche of this series >>>> but that will not impact the hevc part, so I wonder if pure hevc patches >>>> could be merged anyway ? >>>> They are reviewed and don't depend of how the ctrl block is managed. >>> I'm not really in a position to give any informed opinion about that >>> hvec patches, as I only skimmed them, but I don't see any reason to >>> delay patches 04-11 from this series until the i.MX8M platform issues >>> are sorted. AFAICS those things are totally orthogonal. >> Hi Hans, >> What do you think about this proposal to split this series ? >> Get hevc part merged could allow me to continue to add features >> like scaling lists, compressed reference buffers and 10-bit supports. > Makes sense to me! Great ! If the latest version match your expectations how would you like to processed ? Can you merged patches 4 to 12 ? or should I resend them in a new shorted series ? Regards, Benjamin > > Regards, > > Hans >