From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 719FD37F8D3 for ; Fri, 8 May 2026 07:56:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778226977; cv=none; b=IX13bs3q/6EVUtxHGsvgR12woKzYFQzU/Og2Cn0IC0SvQDdYftDOflLd8JwIyjW/onEbTAIwrxPZ6HNuIbEt/sQT7N5ATRYl4afMs5Wz81e89NJR+2QD8kTh/3G9SaIb19mTbRH/VyVyYbdJEC7+KkSCwgSggp/AgV+0lNLuVts= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778226977; c=relaxed/simple; bh=hmc3OGSaw20XzGtI1C3ZoSA4xEJIUGCVOolgQTP+7sk=; h=Date:From:To:Cc:Subject:Message-ID; b=DglboQ8hbnDXmHJPbm48nb8ctPsbHHVYRn2XDVdVGryHt6OzD044vxQnJ62bjgwxe0PMNE3iFX0fvGIp/p4E5zbyiZ+hxkrzG9Z4as5eo+0Skr5GP+Lba358XTq/WvnsZxA72I6XuypHs46pyhCPhmxleLYyWPlXyzrt9cVqrHc= 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=lSLBuAwn; arc=none smtp.client-ip=192.198.163.15 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="lSLBuAwn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778226976; x=1809762976; h=date:from:to:cc:subject:message-id; bh=hmc3OGSaw20XzGtI1C3ZoSA4xEJIUGCVOolgQTP+7sk=; b=lSLBuAwnNg42V1ew88MM1uhNNJbwAAXS7WTR6+oaiWwPRXzoLapYUssO J8wcO+9DgJniHBZA6dYdasN4hHJ/QWxVtOuWxwJwOL6JgyCMGwAKySyxF QECY4DGYL6WHoNWSLtGbuhFuDAqs5p2FB0A8nm+Dt1uJ7u+4st8DNGDcS jD2ul9njoWBjIjr/duShMntn3/uVoXcvJC3Nv3rr6A7oIHckz91xu4IVU +HGU8NqbbqIslTejrl51o/c0n//UF4Ww4SkBnt6a1IbwwVLNTEnl+RTIA dHUUfSMYnsXM12MXMhM7TpJepOrc9gXIf3cjoCYhqBIGvFONiwPKRqZKS w==; X-CSE-ConnectionGUID: W1xEACp+Q9ijnYRnCe5Ibw== X-CSE-MsgGUID: CrcyJA6cR0OwOCj2cuO+/Q== X-IronPort-AV: E=McAfee;i="6800,10657,11779"; a="79297717" X-IronPort-AV: E=Sophos;i="6.23,223,1770624000"; d="scan'208";a="79297717" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2026 00:56:14 -0700 X-CSE-ConnectionGUID: b9cGEc23QZyO/UnD5MkaFA== X-CSE-MsgGUID: 9bJp0r/HRoyElB7VxnYICg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,223,1770624000"; d="scan'208";a="232168549" Received: from lkp-server01.sh.intel.com (HELO d6e19f2f5857) ([10.239.97.150]) by fmviesa006.fm.intel.com with ESMTP; 08 May 2026 00:56:12 -0700 Received: from kbuild by d6e19f2f5857 with local (Exim 4.98.2) (envelope-from ) id 1wLG4A-000000000px-14b2; Fri, 08 May 2026 07:56:10 +0000 Date: Fri, 08 May 2026 15:55:55 +0800 From: kernel test robot To: Suraj Kandpal Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Arun R Murthy Subject: drivers/gpu/drm/i915/display/intel_lt_phy.c:246:35: sparse: sparse: Using plain integer as NULL pointer Message-ID: <202605081525.Z4gAosfh-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 917719c412c48687d4a176965d1fa35320ec457c commit: e1455196ada3ed892742b6b3459be7e6980a1590 drm/i915/ltphy: Read PHY_VDR_0_CONFIG register date: 6 months ago config: x86_64-randconfig-121-20260508 (https://download.01.org/0day-ci/archive/20260508/202605081525.Z4gAosfh-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260508/202605081525.Z4gAosfh-lkp@intel.com/reproduce) 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 | Fixes: e1455196ada3 ("drm/i915/ltphy: Read PHY_VDR_0_CONFIG register") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202605081525.Z4gAosfh-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/i915/display/intel_lt_phy.c:246:35: sparse: sparse: Using plain integer as NULL pointer vim +246 drivers/gpu/drm/i915/display/intel_lt_phy.c 238 239 void intel_lt_phy_pll_enable(struct intel_encoder *encoder, 240 const struct intel_crtc_state *crtc_state) 241 { 242 struct intel_display *display = to_intel_display(encoder); 243 struct intel_digital_port *dig_port = enc_to_dig_port(encoder); 244 bool lane_reversal = dig_port->lane_reversal; 245 u8 owned_lane_mask = intel_lt_phy_get_owned_lane_mask(encoder); > 246 intel_wakeref_t wakeref = 0; -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki