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=-7.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 A0F30C3B186 for ; Wed, 12 Feb 2020 10:32:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6F46521D7D for ; Wed, 12 Feb 2020 10:32:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581503572; bh=kHV32jEDnPvZQAKmMdNGxXaDqS1B6CzOhU1Igck7lvY=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=w0ZKEsU0Nhu1BttkBcTuKbEh1hgTd9y9olw1G9qE0RjoTJ4aS2+tgR3+mz87/sBkY JdmY+MVG8CaxGl1X5TJxiGA8nc03I+VL4fDrAZLiiUH/PX4RKGOOMxFwdAlOfxPEir 689ZQHqa2ySEyogB+iPjGKX9dm7+irt0p/vrD+9s= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727777AbgBLKcw (ORCPT ); Wed, 12 Feb 2020 05:32:52 -0500 Received: from mail-ot1-f68.google.com ([209.85.210.68]:32826 "EHLO mail-ot1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725710AbgBLKcv (ORCPT ); Wed, 12 Feb 2020 05:32:51 -0500 Received: by mail-ot1-f68.google.com with SMTP id b18so1431780otp.0; Wed, 12 Feb 2020 02:32:50 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Gzv9rt4/sNqw8bJZ2qsq654js0pdgt12w5ZQU73AU3k=; b=Mh1sLVZt+D8gsL7IxIkjsA7q6wmOMGNgxfTe286J6KfCVyEthFRWT8vDWe3MMqFuUJ bfPHvatcdxwUC6s7fV2oB46SRlbDcFTCQdbcJ4uyV7lqKBlHQ3S7g0E91SpitwjFyhrI anFLefv1Kfp6vNECrzbEFJfkkVivUS53CotdK2nDtXojjOmM5dCzelxo8QsJfTCx5b3i u8EWrclg0ce6uXFJLbSTJzgBzxCdmX6TDpiizY5FsC5eWbUsgflIgKOG4d7LtMie2cNM xMx0FFT4pqLiopmYlI91Q1CMLjr6jmrmNnE49wYpj0hflBXdkiT7dOGvtxLzd4XHloMc SYkA== X-Gm-Message-State: APjAAAXBORr/c8gi4O9PqfjUZpUJR9Qy0UOTz29edcoO12y9yGGQRcwH Nq+bYWe8gSTYWZFl/r2b0K0Emv3+Jl1F11sdezg= X-Google-Smtp-Source: APXvYqyy0kS7yyyUWf4LuMflnzcOEsRX4eqdYDT7PPvW+fTKcUJ6nyzjykovZhYc07IsNLnHlvxZIEw2/zbxRrszOjs= X-Received: by 2002:a9d:7559:: with SMTP id b25mr8433715otl.189.1581503570435; Wed, 12 Feb 2020 02:32:50 -0800 (PST) MIME-Version: 1.0 References: <1654227.8mz0SueHsU@kreacher> <1759702.XAW9B0MHEz@kreacher> In-Reply-To: <1759702.XAW9B0MHEz@kreacher> From: "Rafael J. Wysocki" Date: Wed, 12 Feb 2020 11:32:39 +0100 Message-ID: Subject: Re: [PATCH 16/28] drm: i915: Call cpu_latency_qos_*() instead of pm_qos_*() To: intel-gfx Cc: LKML , Amit Kucheria , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , "Rafael J. Wysocki" , Linux PM Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 12, 2020 at 12:40 AM Rafael J. Wysocki wrote: > > From: "Rafael J. Wysocki" > > Call cpu_latency_qos_add/update/remove_request() instead of > pm_qos_add/update/remove_request(), respectively, because the > latter are going to be dropped. > > No intentional functional impact. > > Signed-off-by: Rafael J. Wysocki Please note that the whole series is available here: https://lore.kernel.org/linux-pm/1654227.8mz0SueHsU@kreacher/ > --- > drivers/gpu/drm/i915/display/intel_dp.c | 4 ++-- > drivers/gpu/drm/i915/i915_drv.c | 12 +++++------- > drivers/gpu/drm/i915/intel_sideband.c | 5 +++-- > 3 files changed, 10 insertions(+), 11 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c > index c7424e2a04a3..208457005a11 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -1360,7 +1360,7 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp, > * lowest possible wakeup latency and so prevent the cpu from going into > * deep sleep states. > */ > - pm_qos_update_request(&i915->pm_qos, 0); > + cpu_latency_qos_update_request(&i915->pm_qos, 0); > > intel_dp_check_edp(intel_dp); > > @@ -1488,7 +1488,7 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp, > > ret = recv_bytes; > out: > - pm_qos_update_request(&i915->pm_qos, PM_QOS_DEFAULT_VALUE); > + cpu_latency_qos_update_request(&i915->pm_qos, PM_QOS_DEFAULT_VALUE); > > if (vdd) > edp_panel_vdd_off(intel_dp, false); > diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c > index f7385abdd74b..74481a189cfc 100644 > --- a/drivers/gpu/drm/i915/i915_drv.c > +++ b/drivers/gpu/drm/i915/i915_drv.c > @@ -502,8 +502,7 @@ static int i915_driver_early_probe(struct drm_i915_private *dev_priv) > mutex_init(&dev_priv->backlight_lock); > > mutex_init(&dev_priv->sb_lock); > - pm_qos_add_request(&dev_priv->sb_qos, > - PM_QOS_CPU_DMA_LATENCY, PM_QOS_DEFAULT_VALUE); > + cpu_latency_qos_add_request(&dev_priv->sb_qos, PM_QOS_DEFAULT_VALUE); > > mutex_init(&dev_priv->av_mutex); > mutex_init(&dev_priv->wm.wm_mutex); > @@ -568,7 +567,7 @@ static void i915_driver_late_release(struct drm_i915_private *dev_priv) > vlv_free_s0ix_state(dev_priv); > i915_workqueues_cleanup(dev_priv); > > - pm_qos_remove_request(&dev_priv->sb_qos); > + cpu_latency_qos_remove_request(&dev_priv->sb_qos); > mutex_destroy(&dev_priv->sb_lock); > } > > @@ -1226,8 +1225,7 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) > } > } > > - pm_qos_add_request(&dev_priv->pm_qos, PM_QOS_CPU_DMA_LATENCY, > - PM_QOS_DEFAULT_VALUE); > + cpu_latency_qos_add_request(&dev_priv->pm_qos, PM_QOS_DEFAULT_VALUE); > > intel_gt_init_workarounds(dev_priv); > > @@ -1273,7 +1271,7 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) > err_msi: > if (pdev->msi_enabled) > pci_disable_msi(pdev); > - pm_qos_remove_request(&dev_priv->pm_qos); > + cpu_latency_qos_remove_request(&dev_priv->pm_qos); > err_mem_regions: > intel_memory_regions_driver_release(dev_priv); > err_ggtt: > @@ -1296,7 +1294,7 @@ static void i915_driver_hw_remove(struct drm_i915_private *dev_priv) > if (pdev->msi_enabled) > pci_disable_msi(pdev); > > - pm_qos_remove_request(&dev_priv->pm_qos); > + cpu_latency_qos_remove_request(&dev_priv->pm_qos); > } > > /** > diff --git a/drivers/gpu/drm/i915/intel_sideband.c b/drivers/gpu/drm/i915/intel_sideband.c > index cbfb7171d62d..0648eda309e4 100644 > --- a/drivers/gpu/drm/i915/intel_sideband.c > +++ b/drivers/gpu/drm/i915/intel_sideband.c > @@ -60,7 +60,7 @@ static void __vlv_punit_get(struct drm_i915_private *i915) > * to the Valleyview P-unit and not all sideband communications. > */ > if (IS_VALLEYVIEW(i915)) { > - pm_qos_update_request(&i915->sb_qos, 0); > + cpu_latency_qos_update_request(&i915->sb_qos, 0); > on_each_cpu(ping, NULL, 1); > } > } > @@ -68,7 +68,8 @@ static void __vlv_punit_get(struct drm_i915_private *i915) > static void __vlv_punit_put(struct drm_i915_private *i915) > { > if (IS_VALLEYVIEW(i915)) > - pm_qos_update_request(&i915->sb_qos, PM_QOS_DEFAULT_VALUE); > + cpu_latency_qos_update_request(&i915->sb_qos, > + PM_QOS_DEFAULT_VALUE); > > iosf_mbi_punit_release(); > } > -- > 2.16.4 > > > > >