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X-CSE-ConnectionGUID: pxByhTj0SD6RnlZof/8PfA== X-CSE-MsgGUID: 5Ixt9CQNT4G28B6k9xkI1g== X-IronPort-AV: E=McAfee;i="6800,10657,11848"; a="96319615" X-IronPort-AV: E=Sophos;i="6.25,169,1779174000"; d="scan'208";a="96319615" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2026 03:45:32 -0700 X-CSE-ConnectionGUID: /FoUgh7jRrSD49kTmypCoA== X-CSE-MsgGUID: sQ3DauY1TOqn6b2MD359Rw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,169,1779174000"; d="scan'208";a="253343556" Received: from lkp-server02.sh.intel.com (HELO ea128546eb3d) ([10.239.97.151]) by fmviesa007.fm.intel.com with ESMTP; 17 Jul 2026 03:45:30 -0700 Received: from kbuild by ea128546eb3d with local (Exim 4.98.2) (envelope-from ) id 1wkg4N-00000000SeG-3BbS; Fri, 17 Jul 2026 10:45:27 +0000 Date: Fri, 17 Jul 2026 18:44:28 +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: <202607171852.GAoki6h6-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: fce2dfa773ced15f27dd27cd0b482a7473cdcf2a commit: e1455196ada3ed892742b6b3459be7e6980a1590 drm/i915/ltphy: Read PHY_VDR_0_CONFIG register date: 9 months ago config: x86_64-randconfig-122-20260716 (https://download.01.org/0day-ci/archive/20260717/202607171852.GAoki6h6-lkp@intel.com/config) compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211) sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260717/202607171852.GAoki6h6-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/202607171852.GAoki6h6-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