From patchwork Sat Sep 2 15:22:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 1829115 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=wanadoo.fr header.i=@wanadoo.fr header.a=rsa-sha256 header.s=t20230301 header.b=jHDd+W/P; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RdJYN4Qf1z1yfm for ; Sun, 3 Sep 2023 01:22:32 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233108AbjIBPWa (ORCPT ); Sat, 2 Sep 2023 11:22:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33416 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233096AbjIBPW3 (ORCPT ); Sat, 2 Sep 2023 11:22:29 -0400 Received: from smtp.smtpout.orange.fr (smtp-19.smtpout.orange.fr [80.12.242.19]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 36026E5B for ; Sat, 2 Sep 2023 08:22:26 -0700 (PDT) Received: from pop-os.home ([86.243.2.178]) by smtp.orange.fr with ESMTPA id cSRzqoXOCUaEwcSS8qaS03; Sat, 02 Sep 2023 17:22:24 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1693668144; bh=xCugdhAN14swOoqb4o28KP1+9bFzq57uqYIUSdT9O8o=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=jHDd+W/PUj1jxh0Hfn+vLd4yapnyTQFFqMpvUHYDxfDa2GmIAd7+x1kK103ufZeiw ZQeDujVEJRt1ulEO8j98rXGqiWiTWaKfHbUccv79ftMeYcN5rMinmMGViwGIRzAgUZ b/g3m+hIJhtDsNlE0hhBoTsZyKygTrh5HP83hJhyCBvVLTc2Hx5S6OeNgkhgfX6xuR okvrGVpg8LRH+MJVnBclRS8q9kfpD/fla5xMDpi4MYvxtLZEN8JHH6/9r4gEb+YT9k +6V0E3KUC5YMvvBc4nnN/Lrji1wo+UiQO6yZ/gHdtL21AFb+K1ji3Fz5SZYFN+/MvB DxI/AaS3QurOg== X-ME-Helo: pop-os.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sat, 02 Sep 2023 17:22:24 +0200 X-ME-IP: 86.243.2.178 From: Christophe JAILLET To: thierry.reding@gmail.com, mperttunen@nvidia.com, airlied@gmail.com, daniel@ffwll.ch, jonathanh@nvidia.com, digetx@gmail.com Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 1/6] drm/tegra: dsi: Fix some error handling paths in tegra_dsi_probe() Date: Sat, 2 Sep 2023 17:22:08 +0200 Message-Id: <16820073278d031f6c474a08d5f22a255158585e.1693667005.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org If an error occurs after calling tegra_output_probe(), tegra_output_remove() should be called as already done in the remove function. Fixes: dec727399a4b ("drm/tegra: Add DSI support") Signed-off-by: Christophe JAILLET --- drivers/gpu/drm/tegra/dsi.c | 54 ++++++++++++++++++++++++------------- 1 file changed, 35 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index a9870c828374..70a77c75bfe1 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -1593,44 +1593,58 @@ static int tegra_dsi_probe(struct platform_device *pdev) if (!pdev->dev.pm_domain) { dsi->rst = devm_reset_control_get(&pdev->dev, "dsi"); - if (IS_ERR(dsi->rst)) - return PTR_ERR(dsi->rst); + if (IS_ERR(dsi->rst)) { + err = PTR_ERR(dsi->rst); + goto tegra_remove; + } } dsi->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(dsi->clk)) - return dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk), - "cannot get DSI clock\n"); + if (IS_ERR(dsi->clk)) { + err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk), + "cannot get DSI clock\n"); + goto tegra_remove; + } dsi->clk_lp = devm_clk_get(&pdev->dev, "lp"); - if (IS_ERR(dsi->clk_lp)) - return dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_lp), - "cannot get low-power clock\n"); + if (IS_ERR(dsi->clk_lp)) { + err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_lp), + "cannot get low-power clock\n"); + goto tegra_remove; + } dsi->clk_parent = devm_clk_get(&pdev->dev, "parent"); - if (IS_ERR(dsi->clk_parent)) - return dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_parent), - "cannot get parent clock\n"); + if (IS_ERR(dsi->clk_parent)) { + err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_parent), + "cannot get parent clock\n"); + goto tegra_remove; + } dsi->vdd = devm_regulator_get(&pdev->dev, "avdd-dsi-csi"); - if (IS_ERR(dsi->vdd)) - return dev_err_probe(&pdev->dev, PTR_ERR(dsi->vdd), - "cannot get VDD supply\n"); + if (IS_ERR(dsi->vdd)) { + err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->vdd), + "cannot get VDD supply\n"); + goto tegra_remove; + } err = tegra_dsi_setup_clocks(dsi); if (err < 0) { dev_err(&pdev->dev, "cannot setup clocks\n"); - return err; + goto tegra_remove; } regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); dsi->regs = devm_ioremap_resource(&pdev->dev, regs); - if (IS_ERR(dsi->regs)) - return PTR_ERR(dsi->regs); + if (IS_ERR(dsi->regs)) { + err = PTR_ERR(dsi->regs); + goto tegra_remove; + } dsi->mipi = tegra_mipi_request(&pdev->dev, pdev->dev.of_node); - if (IS_ERR(dsi->mipi)) - return PTR_ERR(dsi->mipi); + if (IS_ERR(dsi->mipi)) { + err = PTR_ERR(dsi->mipi); + goto tegra_remove; + } dsi->host.ops = &tegra_dsi_host_ops; dsi->host.dev = &pdev->dev; @@ -1661,6 +1675,8 @@ static int tegra_dsi_probe(struct platform_device *pdev) mipi_dsi_host_unregister(&dsi->host); mipi_free: tegra_mipi_free(dsi->mipi); +tegra_remove: + tegra_output_remove(&dsi->output); return err; } From patchwork Sat Sep 2 15:22:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 1829121 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Sat, 02 Sep 2023 08:29:59 PDT Received: from smtp.smtpout.orange.fr (smtp-20.smtpout.orange.fr [80.12.242.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 87C0E100 for ; Sat, 2 Sep 2023 08:29:59 -0700 (PDT) Received: from pop-os.home ([86.243.2.178]) by smtp.orange.fr with ESMTPA id cSRzqoXOCUaEwcSSBqaS0o; Sat, 02 Sep 2023 17:22:28 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1693668148; bh=CcJIylx4XWMH4i7v7yeGHjUJhvGVgKvnNJDrOuGdvbc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=bV5n2JhbrP+dnNHvPqRj7xIc7xk8nYL0d3ORcvjfuJUcm/aJAnFjARdnxFau3J1LI apG7Baj8mgHspXAEcJHsT707PzwGGjS7C2XJcVIG9uIWCa7IoSjRwbD0k/lTU/4ZFf VKE1pOGrzh8ZGS+tOxjNur0CFosUloL6Do4Z6FgL99d3FjLxTPz6nVrw083gcUkVzC 2HWW5JKLxuzvgcrrQ5OyyKTEtXmQbA72Zh/ABhjC8OohvC1KJmqg0Tu8zHA2Kc5Fb8 v3aZ1zed/PlcHe8T20E1GQyx7MQDSIeLjTiLTjKOQsXLck9dQ6vlvNBWLCLZkq46MS 8/YJ2NVIZY/mA== X-ME-Helo: pop-os.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sat, 02 Sep 2023 17:22:28 +0200 X-ME-IP: 86.243.2.178 From: Christophe JAILLET To: thierry.reding@gmail.com, mperttunen@nvidia.com, airlied@gmail.com, daniel@ffwll.ch, jonathanh@nvidia.com, digetx@gmail.com Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 2/6] drm/tegra: dsi: Fix missing pm_runtime_disable() in the error handling path of tegra_dsi_probe() Date: Sat, 2 Sep 2023 17:22:09 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org If an error occurs after calling pm_runtime_enable(), pm_runtime_disable() should be called as already done in the remove function. Fixes: ef8187d75265 ("drm/tegra: dsi: Implement runtime PM") Signed-off-by: Christophe JAILLET --- drivers/gpu/drm/tegra/dsi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index 70a77c75bfe1..0cf379e20d89 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -1672,6 +1672,7 @@ static int tegra_dsi_probe(struct platform_device *pdev) return 0; unregister: + pm_runtime_disable(&pdev->dev); mipi_dsi_host_unregister(&dsi->host); mipi_free: tegra_mipi_free(dsi->mipi); From patchwork Sat Sep 2 15:22:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 1829116 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=wanadoo.fr header.i=@wanadoo.fr header.a=rsa-sha256 header.s=t20230301 header.b=A8HFEMdo; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RdJYQ6s3bz1yhM for ; Sun, 3 Sep 2023 01:22:34 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233247AbjIBPWf (ORCPT ); Sat, 2 Sep 2023 11:22:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233200AbjIBPWf (ORCPT ); Sat, 2 Sep 2023 11:22:35 -0400 Received: from smtp.smtpout.orange.fr (smtp-19.smtpout.orange.fr [80.12.242.19]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 494ABE5B for ; Sat, 2 Sep 2023 08:22:32 -0700 (PDT) Received: from pop-os.home ([86.243.2.178]) by smtp.orange.fr with ESMTPA id cSRzqoXOCUaEwcSSEqaS1G; Sat, 02 Sep 2023 17:22:31 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1693668151; bh=tjkg9rcvcouWu8UqYIEWp20ZVBqNAubtdKin1b09hDs=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=A8HFEMdoFVUCWZZwAjO9TsAAB+Td2ZkYpd+UXL4SNmwsP6CCwxmWLWF4+sFFRKfCC Px0OuqkMud5HmKYPiDSQBGQ4hox9MSgeJtI6R3nf6o9ONT9WuTwPjXRb2ZJ5UKhQ/p GzSa7ELWNjpgEP/PjJ2XeNk9Lio5xrPTUGwcTXKcaQJ+l1b42D9kaSXBpyPd5/jw9m JqWV0dDvQYvhAm29GfukT7WPWvgOFcEE+6CDO7W4pDk60GLd91yirsuLv6FouVdMpZ 18cchkTgx82/baT9ZbjAhp5bW6Ng0rGpqDFgK34HZTs1coctjO4rvEPZBYo3xbg3I5 m1MljsxO+HNbw== X-ME-Helo: pop-os.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sat, 02 Sep 2023 17:22:31 +0200 X-ME-IP: 86.243.2.178 From: Christophe JAILLET To: thierry.reding@gmail.com, mperttunen@nvidia.com, airlied@gmail.com, daniel@ffwll.ch, jonathanh@nvidia.com, digetx@gmail.com Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 3/6] drm/tegra: hdmi: Fix some error handling paths in tegra_hdmi_probe() Date: Sat, 2 Sep 2023 17:22:10 +0200 Message-Id: <9b7c564eb71977678b20abd73ee52001a51cf327.1693667005.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org If an error occurs after calling tegra_output_probe(), tegra_output_remove() should be called as already done in the remove function. Fixes: 59d29c0ec93f ("drm/tegra: Allocate resources at probe time") Signed-off-by: Christophe JAILLET --- drivers/gpu/drm/tegra/hdmi.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c index 80c760986d9e..c73e7fb1877e 100644 --- a/drivers/gpu/drm/tegra/hdmi.c +++ b/drivers/gpu/drm/tegra/hdmi.c @@ -1854,12 +1854,14 @@ static int tegra_hdmi_probe(struct platform_device *pdev) return err; hdmi->regs = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(hdmi->regs)) - return PTR_ERR(hdmi->regs); + if (IS_ERR(hdmi->regs)) { + err = PTR_ERR(hdmi->regs); + goto tegra_remove; + } err = platform_get_irq(pdev, 0); if (err < 0) - return err; + goto tegra_remove; hdmi->irq = err; @@ -1868,18 +1870,18 @@ static int tegra_hdmi_probe(struct platform_device *pdev) if (err < 0) { dev_err(&pdev->dev, "failed to request IRQ#%u: %d\n", hdmi->irq, err); - return err; + goto tegra_remove; } platform_set_drvdata(pdev, hdmi); err = devm_pm_runtime_enable(&pdev->dev); if (err) - return err; + goto tegra_remove; err = devm_tegra_core_dev_init_opp_table_common(&pdev->dev); if (err) - return err; + goto tegra_remove; INIT_LIST_HEAD(&hdmi->client.list); hdmi->client.ops = &hdmi_client_ops; @@ -1889,10 +1891,14 @@ static int tegra_hdmi_probe(struct platform_device *pdev) if (err < 0) { dev_err(&pdev->dev, "failed to register host1x client: %d\n", err); - return err; + goto tegra_remove; } return 0; + +tegra_remove: + tegra_output_remove(&hdmi->output); + return err; } static void tegra_hdmi_remove(struct platform_device *pdev) From patchwork Sat Sep 2 15:22:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 1829117 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=wanadoo.fr header.i=@wanadoo.fr header.a=rsa-sha256 header.s=t20230301 header.b=M4pyTcXr; 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Fixes: 59d29c0ec93f ("drm/tegra: Allocate resources at probe time") Signed-off-by: Christophe JAILLET --- drivers/gpu/drm/tegra/rgb.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index 79566c9ea8ff..26d4d87b83de 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -215,26 +215,28 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc) rgb->clk = devm_clk_get(dc->dev, NULL); if (IS_ERR(rgb->clk)) { dev_err(dc->dev, "failed to get clock\n"); - return PTR_ERR(rgb->clk); + err = PTR_ERR(rgb->clk); + goto tegra_remove; } rgb->clk_parent = devm_clk_get(dc->dev, "parent"); if (IS_ERR(rgb->clk_parent)) { dev_err(dc->dev, "failed to get parent clock\n"); - return PTR_ERR(rgb->clk_parent); + err = PTR_ERR(rgb->clk_parent); + goto tegra_remove; } err = clk_set_parent(rgb->clk, rgb->clk_parent); if (err < 0) { dev_err(dc->dev, "failed to set parent clock: %d\n", err); - return err; + goto tegra_remove; } rgb->pll_d_out0 = clk_get_sys(NULL, "pll_d_out0"); if (IS_ERR(rgb->pll_d_out0)) { err = PTR_ERR(rgb->pll_d_out0); dev_err(dc->dev, "failed to get pll_d_out0: %d\n", err); - return err; + goto tegra_remove; } if (dc->soc->has_pll_d2_out0) { @@ -242,13 +244,17 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc) if (IS_ERR(rgb->pll_d2_out0)) { err = PTR_ERR(rgb->pll_d2_out0); dev_err(dc->dev, "failed to get pll_d2_out0: %d\n", err); - return err; + goto tegra_remove; } } dc->rgb = &rgb->output; return 0; + +tegra_remove: + tegra_output_remove(&rgb->output); + return err; } void tegra_dc_rgb_remove(struct tegra_dc *dc) From patchwork Sat Sep 2 15:22:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 1829118 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=wanadoo.fr header.i=@wanadoo.fr header.a=rsa-sha256 header.s=t20230301 header.b=lbtQafwZ; 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Sat, 02 Sep 2023 17:22:36 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1693668156; bh=jjFPsVcx6aUbMmjjTF/u/Nl/5KjfB+Ek7/mYBuPCzj4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=lbtQafwZtPk0rru/DCcIwm6Zib9y2qUf/fKFz9Z6mJH1El3xP0nygKYkG6+HeX7R0 U8No6evW77b9r2wwbUcnl3x+61lYOLdbH3ayfkH/coeSA5mk+XINYxcFgx+uIvU6rT XTTvw7DIjf2+ex/+YI5erlayJdzpD4yFo59A/xOLWWk+l4A4gocNnoOhW0zo/MjupT L7H/Mw08jzvEI1mworgiyOggh4VJLt6bFVUf4U9wprTmxz84CGRjYXsQd0ynTC0hmh EgijffRSpMlo8ex2boLlbZZMesF0CAqGplvDx78rtw6c8aa7OX/B7Ex2ySAfxvmcJ0 r725vxn4qIWiw== X-ME-Helo: pop-os.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sat, 02 Sep 2023 17:22:36 +0200 X-ME-IP: 86.243.2.178 From: Christophe JAILLET To: thierry.reding@gmail.com, mperttunen@nvidia.com, airlied@gmail.com, daniel@ffwll.ch, jonathanh@nvidia.com, digetx@gmail.com Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 5/6] drm/tegra: rgb: Fix missing clk_put() in the error handling paths of tegra_dc_rgb_probe() Date: Sat, 2 Sep 2023 17:22:12 +0200 Message-Id: <0182895ead4e4730426616b0d9995954c960b634.1693667005.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org If clk_get_sys(..., "pll_d2_out0") fails, the clk_get_sys() call must be undone. Add the missing clk_put and a new 'put_pll_d_out0' label in the error handling path, and use it. Fixes: 0c921b6d4ba0 ("drm/tegra: dc: rgb: Allow changing PLLD rate on Tegra30+") Signed-off-by: Christophe JAILLET --- drivers/gpu/drm/tegra/rgb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index 26d4d87b83de..e277826ab494 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -244,7 +244,7 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc) if (IS_ERR(rgb->pll_d2_out0)) { err = PTR_ERR(rgb->pll_d2_out0); dev_err(dc->dev, "failed to get pll_d2_out0: %d\n", err); - goto tegra_remove; + goto put_pll_d_out0; } } @@ -252,6 +252,8 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc) return 0; +put_pll_d_out0: + clk_put(rgb->pll_d_out0); tegra_remove: tegra_output_remove(&rgb->output); return err; From patchwork Sat Sep 2 15:22:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 1829119 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=wanadoo.fr header.i=@wanadoo.fr header.a=rsa-sha256 header.s=t20230301 header.b=jfPDQufx; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RdJYg2btNz1yhM for ; Sun, 3 Sep 2023 01:22:47 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233279AbjIBPWr (ORCPT ); Sat, 2 Sep 2023 11:22:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36880 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233504AbjIBPWq (ORCPT ); Sat, 2 Sep 2023 11:22:46 -0400 Received: from smtp.smtpout.orange.fr (smtp-19.smtpout.orange.fr [80.12.242.19]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 66E121724 for ; Sat, 2 Sep 2023 08:22:41 -0700 (PDT) Received: from pop-os.home ([86.243.2.178]) by smtp.orange.fr with ESMTPA id cSRzqoXOCUaEwcSSNqaS2H; Sat, 02 Sep 2023 17:22:40 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1693668160; bh=OK7xakYKxBr5OBglBORqhPQ35WeB7Etk6Y/hw78k0rE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=jfPDQufxycXowrFFVq4JYOWlEkF/8QLgYpiZySc4oG0V2m4I0AxBHEJI231g7/4yg duJoGWf7WztP1GLXvCGDm6PTK5vBPIFkbgJ68not8KFy396X3SeL3fT4qkJIw6Imyh gBu0Aanea3iOyzAOtYFjY82jbYwxpo/btRwcRonKhR7f9uNjSk7Sve90PWp1gxVyrk SgpzheKRROj0H/thlOwHHPSzkAEtvyWKD6OpskQ064G3+O6GxHxd220zwr8U5ptwKP 90+XJnsDbvmRKO3YIWPh7XFAF2Z0yMfEPpkVGGHI3DmxscUybGRbJc5lQlgO7CKy6z CGdpLyzy4UnQg== X-ME-Helo: pop-os.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sat, 02 Sep 2023 17:22:40 +0200 X-ME-IP: 86.243.2.178 From: Christophe JAILLET To: thierry.reding@gmail.com, mperttunen@nvidia.com, airlied@gmail.com, daniel@ffwll.ch, jonathanh@nvidia.com, digetx@gmail.com Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 6/6] drm/tegra: output: Fix missing i2c_put_adapter() in the error handling paths of tegra_output_probe() Date: Sat, 2 Sep 2023 17:22:13 +0200 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org If an error occurs after a successful of_get_i2c_adapter_by_node() call, it should be undone by a corresponding i2c_put_adapter(). Add the missing i2c_put_adapter() call. Fixes: 9be7d864cf07 ("drm/tegra: Implement panel support") Signed-off-by: Christophe JAILLET --- drivers/gpu/drm/tegra/output.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c index dc2dcb5ca1c8..d7d2389ac2f5 100644 --- a/drivers/gpu/drm/tegra/output.c +++ b/drivers/gpu/drm/tegra/output.c @@ -142,8 +142,10 @@ int tegra_output_probe(struct tegra_output *output) GPIOD_IN, "HDMI hotplug detect"); if (IS_ERR(output->hpd_gpio)) { - if (PTR_ERR(output->hpd_gpio) != -ENOENT) - return PTR_ERR(output->hpd_gpio); + if (PTR_ERR(output->hpd_gpio) != -ENOENT) { + err = PTR_ERR(output->hpd_gpio); + goto put_i2c; + } output->hpd_gpio = NULL; } @@ -152,7 +154,7 @@ int tegra_output_probe(struct tegra_output *output) err = gpiod_to_irq(output->hpd_gpio); if (err < 0) { dev_err(output->dev, "gpiod_to_irq(): %d\n", err); - return err; + goto put_i2c; } output->hpd_irq = err; @@ -165,7 +167,7 @@ int tegra_output_probe(struct tegra_output *output) if (err < 0) { dev_err(output->dev, "failed to request IRQ#%u: %d\n", output->hpd_irq, err); - return err; + goto put_i2c; } output->connector.polled = DRM_CONNECTOR_POLL_HPD; @@ -179,6 +181,12 @@ int tegra_output_probe(struct tegra_output *output) } return 0; + +put_i2c: + if (output->ddc) + i2c_put_adapter(output->ddc); + + return err; } void tegra_output_remove(struct tegra_output *output)