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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 19EB7C433E0 for ; Fri, 19 Feb 2021 09:40:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C34DB64DFD for ; Fri, 19 Feb 2021 09:40:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229720AbhBSJjo (ORCPT ); Fri, 19 Feb 2021 04:39:44 -0500 Received: from honk.sigxcpu.org ([24.134.29.49]:49240 "EHLO honk.sigxcpu.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229636AbhBSJjk (ORCPT ); Fri, 19 Feb 2021 04:39:40 -0500 Received: from localhost (localhost [127.0.0.1]) by honk.sigxcpu.org (Postfix) with ESMTP id D5EB0FB04; Fri, 19 Feb 2021 10:38:55 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at honk.sigxcpu.org Received: from honk.sigxcpu.org ([127.0.0.1]) by localhost (honk.sigxcpu.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iW_gueEqE_pP; Fri, 19 Feb 2021 10:38:54 +0100 (CET) Date: Fri, 19 Feb 2021 10:38:53 +0100 From: Guido =?iso-8859-1?Q?G=FCnther?= To: Kishon Vijay Abraham I , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Robert Chiras , Sam Ravnborg , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v3 0/1] phy: fsl-imx8-mipi-dphy: Hook into runtime pm Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Wed, Dec 16, 2020 at 07:22:32PM +0100, Guido Günther wrote: > This allows us to shut down the mipi power domain on the imx8. The alternative > would be to drop the dphy from the mipi power domain in the SOCs device tree > and only have the DSI host controller visible there but since the PD is mostly > about the PHY that would defeat it's purpose. Is there anything I can do to move that forward. I assume this needs to go via the phy/ subsystem not drm? Cheers, -- Guido > > This is basically a resend from February 2020 which went without feedback. > > This allows to shut off the power domain hen blanking the LCD panel: > > pm_genpd_summary before: > > domain status slaves > /device runtime status > ---------------------------------------------------------------------- > mipi on > /devices/platform/soc@0/soc@0:bus@30800000/30a00300.dphy unsupported > /devices/platform/soc@0/soc@0:bus@30800000/30a00000.mipi_dsi suspended > > after: > > mipi off-0 > /devices/platform/soc@0/soc@0:bus@30800000/30a00300.dphy suspended > /devices/platform/soc@0/soc@0:bus@30800000/30a00000.mipi_dsi suspended > > Changes from v1: > - Tweak commit message slightly > > Changes from v2: > - As pre review comment by Lucas Stach > https://lore.kernel.org/linux-arm-kernel/ee22b072e0abe07559a3e6a63ccf6ece064a46cb.camel@pengutronix.de/ > Check for pm_runtime_get_sync failure > > Guido Günther (1): > phy: fsl-imx8-mipi-dphy: Hook into runtime pm > > .../phy/freescale/phy-fsl-imx8-mipi-dphy.c | 25 ++++++++++++++++++- > 1 file changed, 24 insertions(+), 1 deletion(-) > > -- > 2.29.2 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel