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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 DB158C4360F for ; Fri, 22 Mar 2019 08:18:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9DA74213F2 for ; Fri, 22 Mar 2019 08:18:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="PLW0DGXN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727603AbfCVISN (ORCPT ); Fri, 22 Mar 2019 04:18:13 -0400 Received: from perceval.ideasonboard.com ([213.167.242.64]:36992 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727513AbfCVISN (ORCPT ); Fri, 22 Mar 2019 04:18:13 -0400 Received: from [192.168.0.20] (cpc89242-aztw30-2-0-cust488.18-1.cable.virginm.net [86.31.129.233]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id D135F2DE; Fri, 22 Mar 2019 09:18:09 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1553242690; bh=u1YD/ec9XrfsgarGSR88KutgfIZwVQ7Gs1zBie686KY=; h=Subject:To:Cc:References:From:Reply-To:Date:In-Reply-To:From; b=PLW0DGXNhw8/fgpEVPI9liYerUxb1qSSEr9X5DmAVltYwc3TYX2amI0hwQAFV1KMW uy0WFGjewFcLtDZ2w0vGJevaAtuuh6c7UVMelA2emYSx3/r2cwGX0YaSCtXmW2n50K CYqdEamG0tqeJEkjk8aZ8ZTCttA6mFM31eqBcB7I= Subject: Re: [PATCH 1/2] drm/msm: simplify getting .driver_data To: Wolfram Sang , linux-kernel@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, Rob Clark , Sean Paul , David Airlie , Daniel Vetter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org References: <20190319163629.30660-1-wsa+renesas@sang-engineering.com> From: Kieran Bingham Reply-To: kieran.bingham+renesas@ideasonboard.com Organization: Ideas on Board Message-ID: <7d66ed6f-1dc4-05ec-567e-939df7d8c94b@ideasonboard.com> Date: Fri, 22 Mar 2019 08:18:06 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <20190319163629.30660-1-wsa+renesas@sang-engineering.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Wolfram, Thank you for the patch, On 19/03/2019 16:36, Wolfram Sang wrote: > We should get 'driver_data' from 'struct device' directly. Going via > platform_device is an unneeded step back and forth. > > Signed-off-by: Wolfram Sang This looks good to me. Reviewed-by: Kieran Bingham > --- > > Build tested only. buildbot is happy. > > drivers/gpu/drm/msm/adreno/adreno_device.c | 6 ++---- > drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 13 +++++-------- > drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 6 ++---- > drivers/gpu/drm/msm/dsi/dsi_host.c | 6 ++---- > drivers/gpu/drm/msm/msm_drv.c | 3 +-- > 5 files changed, 12 insertions(+), 22 deletions(-) > > diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c > index 714ed6505e47..13802af8294c 100644 > --- a/drivers/gpu/drm/msm/adreno/adreno_device.c > +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c > @@ -412,16 +412,14 @@ static const struct of_device_id dt_match[] = { > #ifdef CONFIG_PM > static int adreno_resume(struct device *dev) > { > - struct platform_device *pdev = to_platform_device(dev); > - struct msm_gpu *gpu = platform_get_drvdata(pdev); > + struct msm_gpu *gpu = dev_get_drvdata(dev); Nice simplification :-) Do you catch these with Coccinelle? > > return gpu->funcs->pm_resume(gpu); > } > > static int adreno_suspend(struct device *dev) > { > - struct platform_device *pdev = to_platform_device(dev); > - struct msm_gpu *gpu = platform_get_drvdata(pdev); > + struct msm_gpu *gpu = dev_get_drvdata(dev); > > return gpu->funcs->pm_suspend(gpu); > } > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c > index 885bf88afa3e..0154eb9b343f 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c > @@ -1036,16 +1036,15 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) > > static void dpu_unbind(struct device *dev, struct device *master, void *data) > { > - struct platform_device *pdev = to_platform_device(dev); > - struct dpu_kms *dpu_kms = platform_get_drvdata(pdev); > + struct dpu_kms *dpu_kms = dev_get_drvdata(dev); > struct dss_module_power *mp = &dpu_kms->mp; > > msm_dss_put_clk(mp->clk_config, mp->num_clk); > - devm_kfree(&pdev->dev, mp->clk_config); > + devm_kfree(dev, mp->clk_config); Using the dev to get the pdev to get the dev :-D > mp->num_clk = 0; > > if (dpu_kms->rpm_enabled) > - pm_runtime_disable(&pdev->dev); > + pm_runtime_disable(dev); > } > > static const struct component_ops dpu_ops = { > @@ -1067,8 +1066,7 @@ static int dpu_dev_remove(struct platform_device *pdev) > static int __maybe_unused dpu_runtime_suspend(struct device *dev) > { > int rc = -1; > - struct platform_device *pdev = to_platform_device(dev); > - struct dpu_kms *dpu_kms = platform_get_drvdata(pdev); > + struct dpu_kms *dpu_kms = dev_get_drvdata(dev); > struct drm_device *ddev; > struct dss_module_power *mp = &dpu_kms->mp; > > @@ -1088,8 +1086,7 @@ static int __maybe_unused dpu_runtime_suspend(struct device *dev) > static int __maybe_unused dpu_runtime_resume(struct device *dev) > { > int rc = -1; > - struct platform_device *pdev = to_platform_device(dev); > - struct dpu_kms *dpu_kms = platform_get_drvdata(pdev); > + struct dpu_kms *dpu_kms = dev_get_drvdata(dev); > struct drm_encoder *encoder; > struct drm_device *ddev; > struct dss_module_power *mp = &dpu_kms->mp; > diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c > index 97179bec8902..8f7a01d7a663 100644 > --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c > +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c > @@ -1063,8 +1063,7 @@ static int mdp5_dev_remove(struct platform_device *pdev) > > static __maybe_unused int mdp5_runtime_suspend(struct device *dev) > { > - struct platform_device *pdev = to_platform_device(dev); > - struct mdp5_kms *mdp5_kms = platform_get_drvdata(pdev); > + struct mdp5_kms *mdp5_kms = dev_get_drvdata(dev); > > DBG(""); > > @@ -1073,8 +1072,7 @@ static __maybe_unused int mdp5_runtime_suspend(struct device *dev) > > static __maybe_unused int mdp5_runtime_resume(struct device *dev) > { > - struct platform_device *pdev = to_platform_device(dev); > - struct mdp5_kms *mdp5_kms = platform_get_drvdata(pdev); > + struct mdp5_kms *mdp5_kms = dev_get_drvdata(dev); > > DBG(""); > > diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c > index 610183db1daf..4a158c41ef30 100644 > --- a/drivers/gpu/drm/msm/dsi/dsi_host.c > +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c > @@ -485,8 +485,7 @@ static void dsi_bus_clk_disable(struct msm_dsi_host *msm_host) > > int msm_dsi_runtime_suspend(struct device *dev) > { > - struct platform_device *pdev = to_platform_device(dev); > - struct msm_dsi *msm_dsi = platform_get_drvdata(pdev); > + struct msm_dsi *msm_dsi = dev_get_drvdata(dev); > struct mipi_dsi_host *host = msm_dsi->host; > struct msm_dsi_host *msm_host = to_msm_dsi_host(host); > > @@ -500,8 +499,7 @@ int msm_dsi_runtime_suspend(struct device *dev) > > int msm_dsi_runtime_resume(struct device *dev) > { > - struct platform_device *pdev = to_platform_device(dev); > - struct msm_dsi *msm_dsi = platform_get_drvdata(pdev); > + struct msm_dsi *msm_dsi = dev_get_drvdata(dev); > struct mipi_dsi_host *host = msm_dsi->host; > struct msm_dsi_host *msm_host = to_msm_dsi_host(host); > > diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c > index 0bdd93648761..071ad87ce44e 100644 > --- a/drivers/gpu/drm/msm/msm_drv.c > +++ b/drivers/gpu/drm/msm/msm_drv.c > @@ -251,8 +251,7 @@ static int vblank_ctrl_queue_work(struct msm_drm_private *priv, > > static int msm_drm_uninit(struct device *dev) > { > - struct platform_device *pdev = to_platform_device(dev); > - struct drm_device *ddev = platform_get_drvdata(pdev); > + struct drm_device *ddev = dev_get_drvdata(dev); > struct msm_drm_private *priv = ddev->dev_private; > struct msm_kms *kms = priv->kms; > struct msm_mdss *mdss = priv->mdss; >