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X-CSE-ConnectionGUID: FBcNvOj7RCSDzHSEbOb3XQ== X-CSE-MsgGUID: dBaczDKETVmoH/F7ZbcEdg== X-IronPort-AV: E=McAfee;i="6800,10657,11813"; a="92579345" X-IronPort-AV: E=Sophos;i="6.24,199,1774335600"; d="scan'208";a="92579345" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jun 2026 09:19:07 -0700 X-CSE-ConnectionGUID: nrGAadj3Qba7wD6e4w7yEA== X-CSE-MsgGUID: vta0o+oYSce6lLjd/FJ1gQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,199,1774335600"; d="scan'208";a="284617309" Received: from lkp-server01.sh.intel.com (HELO f0d55cb201f0) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 11 Jun 2026 09:19:05 -0700 Received: from kbuild by f0d55cb201f0 with local (Exim 4.98.2) (envelope-from ) id 1wXi7S-00000000NSS-0yQ1; Thu, 11 Jun 2026 16:19:02 +0000 Date: Fri, 12 Jun 2026 00:18:29 +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: <202606120029.ZTaxZGeL-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: 9716c086c8e8b141d35aa61f2e96a2e83de212a7 commit: e1455196ada3ed892742b6b3459be7e6980a1590 drm/i915/ltphy: Read PHY_VDR_0_CONFIG register date: 7 months ago config: i386-randconfig-062-20260611 (https://download.01.org/0day-ci/archive/20260612/202606120029.ZTaxZGeL-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/20260612/202606120029.ZTaxZGeL-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/202606120029.ZTaxZGeL-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