From patchwork Wed Oct 28 06:44:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viresh Kumar X-Patchwork-Id: 11862565 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=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 14B20C388F7 for ; Wed, 28 Oct 2020 08:07:52 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9B7F220724 for ; Wed, 28 Oct 2020 08:07:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="iYOIaz1l" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9B7F220724 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id ECE036EC9C; Wed, 28 Oct 2020 08:06:40 +0000 (UTC) Received: from mail-pl1-x641.google.com (mail-pl1-x641.google.com [IPv6:2607:f8b0:4864:20::641]) by gabe.freedesktop.org (Postfix) with ESMTPS id B4F0C6E488 for ; Wed, 28 Oct 2020 06:44:27 +0000 (UTC) Received: by mail-pl1-x641.google.com with SMTP id z1so564348plo.12 for ; Tue, 27 Oct 2020 23:44:27 -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:mime-version :content-transfer-encoding; bh=lRIVhEzHo1XPH6PloaXFLB5fbBAOJPEuMdhJUY10d78=; b=iYOIaz1lxvCXYXcNu+M4bI10tLNyS4M9A6CZD5JmtScTgP2CA5ampy0XyQktbCzrM4 ceakwVehkdY/LSqm0tglgrQrFLMxrSzd5TaJyZKvXoxWuCkMqFjxHRfXCvUmBxOEeBC4 57vXFD6qCgSo0XOh4N70icprcdVJJu/U6FPp6uXalYDeubBNbKCFyhWyXlWYOhTrXmN9 111vfz9NNBLBF7Gvxfc/9K/YkdW9/DtxWCkRM4yC8iaExAzHBgoBCqSQKPVxk1WH76am qq8qlPNy71RraDWoum8l5+HopRZsSa/Bw0h5Sj+YvUecZ8GJsT/tllUFSCBCz7Jp1CjQ mmCg== 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:mime-version :content-transfer-encoding; bh=lRIVhEzHo1XPH6PloaXFLB5fbBAOJPEuMdhJUY10d78=; b=OjJcy3vVqK+a5pA16gjaCqEaj6FVsVnjg3HmeRO7TJHhOdSpyimJUb2xq25459gMcO K0CeaKJmiUx5buscwDGrmOTEUScokJEZyu8pbl1jgh4nFr3tPkTAQw9DGiTpsNlIxQHg o0fPi40hTxQS8Fsv0y02pOJAT8vsHcfx/nev16vzltMX1FNp/hLE4Kav3jtjqvWriZGG +fu98Kyp016jaZP6gXyBXpoSqFpwK/Hl2neQ9uK8GnjtZKTxJRUlY0RQo65fTnp+Sw4J ktVL6ZJ1mOOJ+sA/IHCadS3eueLFYqH9l+JIig5Qnr45OYulzBhwnTRMHQx+uWJYOtOC FY7g== X-Gm-Message-State: AOAM532pwPPZAUYGISY+qCLv8dBLzlLNteuuoPj+aeIG/Ph7GCtS5faI JMvzqCvq+IjeR4aHcHKmXc4GTA== X-Google-Smtp-Source: ABdhPJxsjXO4BzH/gTE1g7vUyycm0va7CGlKvoKvhDoyNRMPGXbtCie5OuI0yJ2/DOj01voeRbrUHg== X-Received: by 2002:a17:90a:f3d4:: with SMTP id ha20mr5577064pjb.28.1603867467388; Tue, 27 Oct 2020 23:44:27 -0700 (PDT) Received: from localhost ([122.181.54.133]) by smtp.gmail.com with ESMTPSA id t10sm3948706pjr.37.2020.10.27.23.44.25 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 27 Oct 2020 23:44:26 -0700 (PDT) From: Viresh Kumar To: robdclark@gmail.com, Qiang Yu , David Airlie , Daniel Vetter Subject: [PATCH V2 Resend 1/2] drm/lima: Unconditionally call dev_pm_opp_of_remove_table() Date: Wed, 28 Oct 2020 12:14:21 +0530 Message-Id: X-Mailer: git-send-email 2.25.0.rc1.19.g042ed3e048af MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 28 Oct 2020 08:06:31 +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 , lima@lists.freedesktop.org, Viresh Kumar , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.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. Reviewed-by: Qiang Yu Signed-off-by: Viresh Kumar --- V2: Applied Reviewed by tag. --- drivers/gpu/drm/lima/lima_devfreq.c | 6 +----- drivers/gpu/drm/lima/lima_devfreq.h | 1 - 2 files changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/gpu/drm/lima/lima_devfreq.c b/drivers/gpu/drm/lima/lima_devfreq.c index bbe02817721b..cd290d866a04 100644 --- a/drivers/gpu/drm/lima/lima_devfreq.c +++ b/drivers/gpu/drm/lima/lima_devfreq.c @@ -105,10 +105,7 @@ void lima_devfreq_fini(struct lima_device *ldev) devfreq->devfreq = NULL; } - if (devfreq->opp_of_table_added) { - dev_pm_opp_of_remove_table(ldev->dev); - devfreq->opp_of_table_added = false; - } + dev_pm_opp_of_remove_table(ldev->dev); if (devfreq->regulators_opp_table) { dev_pm_opp_put_regulators(devfreq->regulators_opp_table); @@ -162,7 +159,6 @@ int lima_devfreq_init(struct lima_device *ldev) ret = dev_pm_opp_of_add_table(dev); if (ret) goto err_fini; - ldevfreq->opp_of_table_added = true; lima_devfreq_reset(ldevfreq); diff --git a/drivers/gpu/drm/lima/lima_devfreq.h b/drivers/gpu/drm/lima/lima_devfreq.h index 5eed2975a375..2d9b3008ce77 100644 --- a/drivers/gpu/drm/lima/lima_devfreq.h +++ b/drivers/gpu/drm/lima/lima_devfreq.h @@ -18,7 +18,6 @@ struct lima_devfreq { struct opp_table *clkname_opp_table; struct opp_table *regulators_opp_table; struct thermal_cooling_device *cooling; - bool opp_of_table_added; ktime_t busy_time; ktime_t idle_time; 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: 11862555 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=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 DDEFAC55178 for ; Wed, 28 Oct 2020 08:07:28 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7969B20724 for ; 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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(-) 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); }