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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 572F7C433DF for ; Fri, 26 Jun 2020 07:07:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 36BC120768 for ; Fri, 26 Jun 2020 07:07:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728147AbgFZHHX (ORCPT ); Fri, 26 Jun 2020 03:07:23 -0400 Received: from honk.sigxcpu.org ([24.134.29.49]:53370 "EHLO honk.sigxcpu.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725801AbgFZHHX (ORCPT ); Fri, 26 Jun 2020 03:07:23 -0400 Received: from localhost (localhost [127.0.0.1]) by honk.sigxcpu.org (Postfix) with ESMTP id 21BFCFB03; Fri, 26 Jun 2020 09:07:20 +0200 (CEST) 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 zv7aaNIuXRxh; Fri, 26 Jun 2020 09:07:19 +0200 (CEST) Received: by bogon.sigxcpu.org (Postfix, from userid 1000) id 335B640939; Fri, 26 Jun 2020 09:07:18 +0200 (CEST) Date: Fri, 26 Jun 2020 09:07:18 +0200 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 0/1] phy: fsl-imx8-mipi-dphy: Hook into runtime pm Message-ID: <20200626070718.GA5854@bogon.m.sigxcpu.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Tue, Feb 25, 2020 at 04:53:33PM +0100, Guido Günther wrote: > This allows us to shut down the mipi power domain on the SOC. 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 > (and rely on the phy layer's built in runtime pm handling) but this > makes the power domain dependency less explicit. > > Currently the pm domain can't be shut off when blanking the panel: Anything I can do to get this applied? Cheers, -- Guido > > pm_genpd_summary > 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 > > while with this we can shut down the power domain on panel blank: > > 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 > > This is similar to what drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c > does. > > Patch is against next-20200217 > > Guido Günther (1): > phy: fsl-imx8-mipi-dphy: Hook into runtime pm > > .../phy/freescale/phy-fsl-imx8-mipi-dphy.c | 22 ++++++++++++++++++- > 1 file changed, 21 insertions(+), 1 deletion(-) > > -- > 2.23.0 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel