From patchwork Wed Oct 28 06:44:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viresh Kumar X-Patchwork-Id: 319253 Delivered-To: patch@linaro.org Received: by 2002:a92:7b12:0:0:0:0:0 with SMTP id w18csp371232ilc; Wed, 28 Oct 2020 01:07:29 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzsrmr/9lvmZC2S28zjr+MTP7K3unnZXSIpzWl2Uv605GDvj73S43YjUwy8CUxUpfkOiD/O X-Received: by 2002:a17:90a:2f89:: with SMTP id t9mr5828544pjd.86.1603872448952; Wed, 28 Oct 2020 01:07:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1603872448; cv=none; d=google.com; s=arc-20160816; b=zkE/e9JYg5uccrj8af0qM3+ZkF5trGAIpWJQpXLqIKIgAvHJ0oN+pHhls/OfR55tXQ BVE3oId67mkA/BtXnATNXoBHfGazpvjKFc2gNLJAfzegP+q5Pueht3rFc1CqrLEJi6gE RVAWnDCC4ta5EBbsL0Lk71reNitM0b24mnhSmrvxzfJAo/3nx4tvNXVKecAZW9KHLIga X7w35F54gluIW2TOTmxvkbXnn9RuLNUl6Rtexlz1W+Tuz8M5hGWif43hWwDosi4ofgyC xiOndTNqbOnf2gooe7kQzENEOgZnhqu6/TSDvBBKnaWo+sN8fImnEE+qrQRUrZDzG99a Uf6w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:cc:list-subscribe :list-help:list-post:list-archive:list-unsubscribe:list-id :precedence:mime-version:references:in-reply-to:message-id:date :subject:to:from:dkim-signature:delivered-to; bh=cIes2rFkVQjngS1DuFPPyRaXfaZBuxpxpt4RcW4zgsc=; b=w5kygHOJQKeCxZtO5qAd6flgPsbHjL9T8/HSTWrrgeyzYs4TQny8hGKwpWwntXuYa2 KbWQj3Fis/v/fxWz2fb7KK/gDf+2PL8pOZSu0s0y6StWmg9Wvw/RXuPAeAaZwTW8Sozi VOjVE9qRud4v6MXEUVL03uIubszfhfZmvUaGYbmOl9A82Nccl7QOhDiwW1w8YkmMGipL HMb2m8UGyJNFVSy54BZi+ZLeP1SIOBO5u014XsvTYfWQz7EBCU541UyM9ekRsLTTvvil Q1SgeqC4imAtRQFiZ7j4IBTZwHCkXLYwZZwFXL6llrKuslyk1MOn3ofE7UnAEiLPPPGH g0Hw== ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (body hash did not verify) header.i=@linaro.org header.s=google header.b=Pdjp840S; spf=pass (google.com: best guess record for domain of dri-devel-bounces@lists.freedesktop.org designates 131.252.210.177 as permitted sender) smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from gabe.freedesktop.org (gabe.freedesktop.org. [131.252.210.177]) by mx.google.com with ESMTPS id 11si4051502pll.391.2020.10.28.01.07.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Oct 2020 01:07:28 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of dri-devel-bounces@lists.freedesktop.org designates 131.252.210.177 as permitted sender) client-ip=131.252.210.177; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@linaro.org header.s=google header.b=Pdjp840S; spf=pass (google.com: best guess record for domain of dri-devel-bounces@lists.freedesktop.org designates 131.252.210.177 as permitted sender) smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2EF366EC4E; Wed, 28 Oct 2020 08:06:36 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by gabe.freedesktop.org (Postfix) with ESMTPS id 97AE46E488 for ; Wed, 28 Oct 2020 06:44:35 +0000 (UTC) Received: by mail-pg1-x541.google.com with SMTP id o3so2190197pgr.11 for ; Tue, 27 Oct 2020 23:44:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=DBtuKQbqQFVugOwxtfWUi7hhbBNFTZTu4rZZoWsSSOw=; b=Pdjp840SYs7UCdJ/A+6FMvTsWNPqC9dcSyVdlZ/v8Sw+MSDzxJCJjQLoFVBml/22V6 8/O2ShytMQkGmtAcyUJ/KnPUm4EIKO5zO65gLADPS33qCZtbfy+SROhhrug9kRGrQyKv r64RW30AxdtBu10xVQ2G+PQTXAOHK66yWnPPZFwp8MidX2MXkVhSwL1ndp/Hc7XJQgGS adfwjXsMTB0Ue0DlNCbS2ORXkKZ8J27wcwemhCzyVIvwrb3U1UbDmjQ5tOTQvU48dmP9 aajyg727fiHbdFfcBQoiIjv2vG49Dll4KuxiiUhYMDHb3i4tQpQCJ+OWI+5tr6Eu+8Q6 4xxw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=DBtuKQbqQFVugOwxtfWUi7hhbBNFTZTu4rZZoWsSSOw=; b=II5cK/kpjdY9vARIz1oBPDjBFIETFikZUNZzWd/ZiiuvjbZYyUNLr6mNpNOBCrU0P4 4GsaIfJm1tW3tNOYCJg4qYoJGjsFPH1yfP4iJR+VbOPRTL3R2PAqrxxosSrwM79IsuNw J9De6yHzl0dEhqO6P8NAOmtq2ESMG4PExKP4jApt1O/Uuyr7LKs0jTwgTMeWoXJd1IdN rSM6AZs1iG4q6gGfOH7LfYH4CXUU3DbweuJVEqk6UYWG3B7GFN0H5D+GmSuJxvTyORHI eTRoc32OCyCftYVxOBjtaQzLktfvZ6+31s2pYUuVjwmPukl6MiLfoazkgKjpTNZnIczq l2Hg== X-Gm-Message-State: AOAM5324v6VpKLgA6nzwkHg49XtS3kfnXkykO+zgBr9g9/V/kvx0UsCR 1XQ65UZV4Qw8ClIIlloFJwh+gA== X-Received: by 2002:aa7:808a:0:b029:160:167d:d332 with SMTP id v10-20020aa7808a0000b0290160167dd332mr6340101pff.1.1603867475214; Tue, 27 Oct 2020 23:44:35 -0700 (PDT) Received: from localhost ([122.181.54.133]) by smtp.gmail.com with ESMTPSA id t13sm4900602pfc.1.2020.10.27.23.44.34 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 27 Oct 2020 23:44:34 -0700 (PDT) From: Viresh Kumar To: robdclark@gmail.com, Sean Paul Subject: [PATCH V2 Resend 2/2] drm/msm: Unconditionally call dev_pm_opp_of_remove_table() Date: Wed, 28 Oct 2020 12:14:22 +0530 Message-Id: X-Mailer: git-send-email 2.25.0.rc1.19.g042ed3e048af In-Reply-To: References: MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 28 Oct 2020 08:06:30 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vincent Guittot , Viresh Kumar , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" dev_pm_opp_of_remove_table() doesn't report any errors when it fails to find the OPP table with error -ENODEV (i.e. OPP table not present for the device). And we can call dev_pm_opp_of_remove_table() unconditionally here. While at it, also create a label to put clkname. Signed-off-by: Viresh Kumar --- V2: - Compare with -ENODEV only for failures. - Create new label to put clkname. --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 14 +++++--------- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 1 - drivers/gpu/drm/msm/dsi/dsi_host.c | 8 ++------ 3 files changed, 7 insertions(+), 16 deletions(-) -- 2.25.0.rc1.19.g042ed3e048af _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index d93c44f6996d..fe127c2f5505 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -1091,12 +1091,9 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) return PTR_ERR(dpu_kms->opp_table); /* OPP table is optional */ ret = dev_pm_opp_of_add_table(dev); - if (!ret) { - dpu_kms->has_opp_table = true; - } else if (ret != -ENODEV) { + if (ret && ret != -ENODEV) { dev_err(dev, "invalid OPP table in device tree\n"); - dev_pm_opp_put_clkname(dpu_kms->opp_table); - return ret; + goto put_clkname; } mp = &dpu_kms->mp; @@ -1118,8 +1115,8 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) priv->kms = &dpu_kms->base; return ret; err: - if (dpu_kms->has_opp_table) - dev_pm_opp_of_remove_table(dev); + dev_pm_opp_of_remove_table(dev); +put_clkname: dev_pm_opp_put_clkname(dpu_kms->opp_table); return ret; } @@ -1137,8 +1134,7 @@ static void dpu_unbind(struct device *dev, struct device *master, void *data) if (dpu_kms->rpm_enabled) pm_runtime_disable(&pdev->dev); - if (dpu_kms->has_opp_table) - dev_pm_opp_of_remove_table(dev); + dev_pm_opp_of_remove_table(dev); dev_pm_opp_put_clkname(dpu_kms->opp_table); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h index 1c0e4c0c9ffb..d6717d6672f7 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h @@ -131,7 +131,6 @@ struct dpu_kms { bool rpm_enabled; struct opp_table *opp_table; - bool has_opp_table; struct dss_module_power mp; diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index b17ac6c27554..4335fe33250c 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -113,7 +113,6 @@ struct msm_dsi_host { struct clk *byte_intf_clk; struct opp_table *opp_table; - bool has_opp_table; u32 byte_clk_rate; u32 pixel_clk_rate; @@ -1891,9 +1890,7 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi) return PTR_ERR(msm_host->opp_table); /* OPP table is optional */ ret = dev_pm_opp_of_add_table(&pdev->dev); - if (!ret) { - msm_host->has_opp_table = true; - } else if (ret != -ENODEV) { + if (ret && ret != -ENODEV) { dev_err(&pdev->dev, "invalid OPP table in device tree\n"); dev_pm_opp_put_clkname(msm_host->opp_table); return ret; @@ -1934,8 +1931,7 @@ void msm_dsi_host_destroy(struct mipi_dsi_host *host) mutex_destroy(&msm_host->cmd_mutex); mutex_destroy(&msm_host->dev_mutex); - if (msm_host->has_opp_table) - dev_pm_opp_of_remove_table(&msm_host->pdev->dev); + dev_pm_opp_of_remove_table(&msm_host->pdev->dev); dev_pm_opp_put_clkname(msm_host->opp_table); pm_runtime_disable(&msm_host->pdev->dev); }