From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4B4CD81720 for ; Sun, 24 Aug 2025 21:03:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756069437; cv=none; b=PWzk21iK1GZsZKX0S46R0aaOl/+uwhvuSeplZ3X7AUgoovvnvD+xU23Vl7P8rGfkq7WPHDOsVrgcENLWMbpgNpOkU3nnx7XzTpyF+TL8LqTGGoT1lFvrLtSNKdIe6utiOI+klg/jUq13XRTts6dOPrCHJKlxD/Q6k40+Ww7ulqQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756069437; c=relaxed/simple; bh=6nySE6dhhimXiRGWe2t4DhJ012TC0ez22Bo1pA4d3MY=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=WiyrYdvEQtCuFbcEZUnNSLSCzqqff9JrbbfZtfb3l+e5oLziPvoX8Gidz8LfvYmopHLuQVuLnWROojCYzLin0fca1PnfCJNi6r17foJqXOOo26wx1NBdFIT3nRhqOll6UFxcqi2fNKN2pgES32g9hzLkfB3e1YK1Qhm5sueyAac= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=iLcpd/Xr; arc=none smtp.client-ip=198.175.65.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="iLcpd/Xr" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1756069435; x=1787605435; h=date:from:to:cc:subject:message-id:mime-version: content-transfer-encoding; bh=6nySE6dhhimXiRGWe2t4DhJ012TC0ez22Bo1pA4d3MY=; b=iLcpd/Xr8Y7hc3S+YCZ1gQhg5LzjQqE0AGBiEDMK3uBTJBtLGzQLbGdX M8zDwIn6+hgVryjbpwtDDgTaH9p92BfLZB63f3TFe5fgigCRBxlNLe51s uMhE0sn48hmr42PppW3yP7grV0Z53VzK8mb2za7NESN66ogj48HjsjiiT 6MDKktZoC4yuBalnCxO/rvdimfV4y3wvf4MVTiciSfNvV0hzgqoRzHxw/ NWd3aKw74L1QctyfsUyf57VSmQU5Gg7stAJ3wIxY4n6y1aaoSNDlgoPkg SF5QYEtRayrpCJwp92b2eWKiXoG76757kwurs4crDJNU8gP0SD61fQs+m g==; X-CSE-ConnectionGUID: RE4za8goQua9+kTGErTy6A== X-CSE-MsgGUID: nGqBDkI7QC6XDfWm7hTrZw== X-IronPort-AV: E=McAfee;i="6800,10657,11532"; a="58429652" X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="58429652" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Aug 2025 14:03:55 -0700 X-CSE-ConnectionGUID: 3uXau6DRSL2x28yI46f8jw== X-CSE-MsgGUID: XVvg3eA9TZeLOB6WJh0LCg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="173542851" Received: from lkp-server02.sh.intel.com (HELO 4ea60e6ab079) ([10.239.97.151]) by orviesa004.jf.intel.com with ESMTP; 24 Aug 2025 14:03:53 -0700 Received: from kbuild by 4ea60e6ab079 with local (Exim 4.96) (envelope-from ) id 1uqHsL-000NDP-0H; Sun, 24 Aug 2025 21:03:45 +0000 Date: Mon, 25 Aug 2025 05:03:39 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: Re: [PATCH v5 08/13] drm/stm: ltdc: handle lvds pixel clock Message-ID: <202508250449.oAIDCFbM-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev In-Reply-To: <20250822-drm-misc-next-v5-8-9c825e28f733@foss.st.com> References: <20250822-drm-misc-next-v5-8-9c825e28f733@foss.st.com> TO: "Raphael Gallais-Pou" TO: Yannick Fertre TO: Philippe Cornu TO: Maarten Lankhorst TO: Maxime Ripard TO: Thomas Zimmermann TO: David Airlie TO: Simona Vetter TO: Rob Herring TO: Krzysztof Kozlowski TO: Conor Dooley TO: Maxime Coquelin TO: Alexandre Torgue TO: Catalin Marinas TO: Will Deacon TO: Christophe Roullier CC: dri-devel@lists.freedesktop.org CC: devicetree@vger.kernel.org CC: linux-stm32@st-md-mailman.stormreply.com CC: linux-arm-kernel@lists.infradead.org CC: linux-kernel@vger.kernel.org Hi Raphael, kernel test robot noticed the following build warnings: [auto build test WARNING on c8cea4371e5eca30cda8660aabb337747dabc51d] url: https://github.com/intel-lab-lkp/linux/commits/Raphael-Gallais-Pou/dt-bindings-display-st-add-two-new-compatibles-to-LTDC-device/20250822-224549 base: c8cea4371e5eca30cda8660aabb337747dabc51d patch link: https://lore.kernel.org/r/20250822-drm-misc-next-v5-8-9c825e28f733%40foss.st.com patch subject: [PATCH v5 08/13] drm/stm: ltdc: handle lvds pixel clock :::::: branch date: 2 days ago :::::: commit date: 2 days ago config: arm-randconfig-r072-20250824 (https://download.01.org/0day-ci/archive/20250825/202508250449.oAIDCFbM-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 8.5.0 If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202508250449.oAIDCFbM-lkp@intel.com/ New smatch warnings: drivers/gpu/drm/stm/ltdc.c:1918 ltdc_resume() warn: 'ldev->bus_clk' from clk_prepare_enable() not released on lines: 1918. Old smatch warnings: drivers/gpu/drm/stm/ltdc.c:944 ltdc_crtc_mode_set_nofb() warn: pm_runtime_get_sync() also returns 1 on success drivers/gpu/drm/stm/ltdc.c:1918 ltdc_resume() warn: 'ldev->pixel_clk' from clk_prepare_enable() not released on lines: 1908,1918. drivers/gpu/drm/stm/ltdc.c:2097 ltdc_load() warn: 'ldev->bus_clk' from clk_prepare_enable() not released on lines: 2097. drivers/gpu/drm/stm/ltdc.c:2097 ltdc_load() warn: 'ldev->pixel_clk' from clk_prepare_enable() not released on lines: 1963. vim +1918 drivers/gpu/drm/stm/ltdc.c df61c776657fa5 Yannick Fertré 2019-03-21 1890 df61c776657fa5 Yannick Fertré 2019-03-21 1891 int ltdc_resume(struct drm_device *ddev) df61c776657fa5 Yannick Fertré 2019-03-21 1892 { df61c776657fa5 Yannick Fertré 2019-03-21 1893 struct ltdc_device *ldev = ddev->dev_private; df61c776657fa5 Yannick Fertré 2019-03-21 1894 int ret; df61c776657fa5 Yannick Fertré 2019-03-21 1895 df61c776657fa5 Yannick Fertré 2019-03-21 1896 DRM_DEBUG_DRIVER("\n"); df61c776657fa5 Yannick Fertré 2019-03-21 1897 df61c776657fa5 Yannick Fertré 2019-03-21 1898 ret = clk_prepare_enable(ldev->pixel_clk); df61c776657fa5 Yannick Fertré 2019-03-21 1899 if (ret) { df61c776657fa5 Yannick Fertré 2019-03-21 1900 DRM_ERROR("failed to enable pixel clock (%d)\n", ret); df61c776657fa5 Yannick Fertré 2019-03-21 1901 return ret; df61c776657fa5 Yannick Fertré 2019-03-21 1902 } df61c776657fa5 Yannick Fertré 2019-03-21 1903 4bc19104512f12 Yannick Fertre 2025-08-22 1904 if (ldev->bus_clk) { 4bc19104512f12 Yannick Fertre 2025-08-22 1905 ret = clk_prepare_enable(ldev->bus_clk); 8ed2dad23c5fb4 Yannick Fertre 2025-08-22 1906 if (ret) { 4bc19104512f12 Yannick Fertre 2025-08-22 1907 drm_err(ddev, "failed to enable bus clock (%d)\n", ret); 8ed2dad23c5fb4 Yannick Fertre 2025-08-22 1908 return ret; 8ed2dad23c5fb4 Yannick Fertre 2025-08-22 1909 } 8ed2dad23c5fb4 Yannick Fertre 2025-08-22 1910 } 8ed2dad23c5fb4 Yannick Fertre 2025-08-22 1911 8ed2dad23c5fb4 Yannick Fertre 2025-08-22 1912 if (ldev->lvds_clk) { 8ed2dad23c5fb4 Yannick Fertre 2025-08-22 1913 ret = clk_prepare_enable(ldev->lvds_clk); 8ed2dad23c5fb4 Yannick Fertre 2025-08-22 1914 if (ret) 8ed2dad23c5fb4 Yannick Fertre 2025-08-22 1915 drm_err(ddev, "failed to prepare lvds clock\n"); 4bc19104512f12 Yannick Fertre 2025-08-22 1916 } 4bc19104512f12 Yannick Fertre 2025-08-22 1917 4bc19104512f12 Yannick Fertre 2025-08-22 @1918 return ret; df61c776657fa5 Yannick Fertré 2019-03-21 1919 } df61c776657fa5 Yannick Fertré 2019-03-21 1920 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki