From patchwork Wed Mar 20 09:49:07 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajendra Nayak X-Patchwork-Id: 10861103 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 862E41708 for ; Wed, 20 Mar 2019 09:49:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 605BE2965E for ; Wed, 20 Mar 2019 09:49:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 54BE2299AD; Wed, 20 Mar 2019 09:49:40 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EF089299CE for ; Wed, 20 Mar 2019 09:49:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6655289715; Wed, 20 Mar 2019 09:49:37 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp.codeaurora.org (smtp.codeaurora.org [198.145.29.96]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4B2E689715 for ; Wed, 20 Mar 2019 09:49:36 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 9B96B60312; Wed, 20 Mar 2019 09:49:35 +0000 (UTC) Received: from blr-ubuntu-173.qualcomm.com (blr-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rnayak@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 459E360312; Wed, 20 Mar 2019 09:49:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 459E360312 From: Rajendra Nayak To: linux-kernel@vger.kernel.org Subject: [RFC v2 00/11] DVFS in the OPP core Date: Wed, 20 Mar 2019 15:19:07 +0530 Message-Id: <20190320094918.20234-1-rnayak@codeaurora.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1553075375; bh=WUOnpQWVWKOF3RH2q4gUBD4xXGNGK8eEmbtT75FnkiI=; h=From:To:Cc:Subject:Date:From; b=LZfidXK5NwPDiA8RNA7mtoEIjRXsUVUdWxMepqroiylZd3ZmusRXSYw9mGwqH+dU1 0EEX6t2OACiIVVJA+0RGtZKpWMwHonWIXouNVVHg6cSYNrBa0nlHQiUiyxUbzYc/Gb gGdlXIXTqimCTvcSHblzdaLUkqlPLv0l8Onp9Kwg= X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1553075374; bh=WUOnpQWVWKOF3RH2q4gUBD4xXGNGK8eEmbtT75FnkiI=; h=From:To:Cc:Subject:Date:From; b=EWU5gm689kq3LU+tzlw343C2kmonPv4wYMzz0dd0Rs4wsGVYdNkOgnQNmVp6gYs99 +9VS9hWkQ3jrCRSsuKaa1n9H4FQ6Am1eq4sRrw1KLUolr1dQldpXZHYNLH0799rehf fsMq+eh27ip08r5AUBlIzkInN0R7NO94bw6AiPJA= X-Mailman-Original-Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org X-Mailman-Original-Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=rnayak@codeaurora.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ulf.hansson@linaro.org, Rajendra Nayak , linux-scsi@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, rafael@kernel.org, dianders@chromium.org, dri-devel@lists.freedesktop.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org, viresh.kumar@linaro.org, swboyd@chromium.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP This is a v2 of the RFC posted earlier by Stephen Boyd [1] As part of v2 I still follow the same approach of dev_pm_opp_set_rate() API using clk framework to round the frequency passed and making it accept 0 as a valid frequency indicating the frequency isn't required anymore. It just has a few more drivers converted to use this approach like dsi/dpu and ufs. ufs demonstrates the case of having to handle multiple power domains, one of which is scalable. The patches are based on 5.1-rc1 and depend on some ufs fixes I posted earlier [2] and a DT patch to include the rpmpd header [3] [1] https://lkml.org/lkml/2019/1/28/2086 [2] https://lkml.org/lkml/2019/3/8/70 [3] https://lkml.org/lkml/2019/3/20/120 Rajendra Nayak (10): OPP: Make dev_pm_opp_set_rate() with freq=0 as valid tty: serial: qcom_geni_serial: Use OPP API to set clk/perf state spi: spi-geni-qcom: Use OPP API to set clk/perf state arm64: dts: sdm845: Add OPP table for all qup devices scsi: ufs: Add support to manage multiple power domains in ufshcd-pltfrm scsi: ufs: Add support for specifying OPP tables in DT arm64: dts: sdm845: Add ufs opps and power-domains drm/msm/dpu: Use OPP API to set clk/perf state drm/msm: dsi: Use OPP API to set clk/perf state arm64: dts: sdm845: Add DSI and MDP OPP tables and power-domains Stephen Boyd (1): OPP: Don't overwrite rounded clk rate arch/arm64/boot/dts/qcom/sdm845.dtsi | 194 +++++++++++++++++- drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c | 7 +- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 9 + drivers/gpu/drm/msm/dsi/dsi.h | 2 + drivers/gpu/drm/msm/dsi/dsi_cfg.c | 4 +- drivers/gpu/drm/msm/dsi/dsi_host.c | 88 +++++++- drivers/opp/core.c | 26 ++- drivers/scsi/ufs/ufshcd-pltfrm.c | 52 ++++- drivers/scsi/ufs/ufshcd.c | 21 +- drivers/scsi/ufs/ufshcd.h | 3 + drivers/spi/spi-geni-qcom.c | 14 +- drivers/tty/serial/qcom_geni_serial.c | 15 +- 12 files changed, 406 insertions(+), 29 deletions(-)