From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) (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 B396B1878 for ; Tue, 21 Feb 2023 09:28:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1676971739; x=1708507739; h=date:from:to:cc:subject:message-id:mime-version: content-transfer-encoding; bh=PwEcfDVtE23iag4E+nBnVidQy6S4t+Y9km5RfIQWGKM=; b=NAo7oL4BEYL2OylyL+a6rsBDgsK6S1nAGlkqhF+YRbCIAGDtT8J11oEw pmop+H572f4L9NCqHgUXTI7AZLH8yg5BgVzdePl/QWobSuY2i4FiKOwHV wVcI3vwbKXIa+leUydLJ9KxZx2mevRzE7wUVXQ1Idz6J2rwhevGD8cU2t FUUPLYh+3EkKLNwtYwShUmnVqbZNFv690HatzXVYEgVQ3Cg9K3bfPr/9Z Hs8MHuy+TJz+fmoEOJjsnlgS5Tz9A2fpGHoblAzu7CmM1ydxPMR3PlMkG SS0pNM/OLhQAEauXapZ50BokYojoptNQ2mxy8ZP6NORLJjpeEbGFzSrkQ A==; X-IronPort-AV: E=McAfee;i="6500,9779,10627"; a="334782270" X-IronPort-AV: E=Sophos;i="5.97,315,1669104000"; d="scan'208";a="334782270" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Feb 2023 01:28:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10627"; a="780937586" X-IronPort-AV: E=Sophos;i="5.97,315,1669104000"; d="scan'208";a="780937586" Received: from lkp-server01.sh.intel.com (HELO 4455601a8d94) ([10.239.97.150]) by fmsmga002.fm.intel.com with ESMTP; 21 Feb 2023 01:28:54 -0800 Received: from kbuild by 4455601a8d94 with local (Exim 4.96) (envelope-from ) id 1pUOxB-000EcZ-2X; Tue, 21 Feb 2023 09:28:53 +0000 Date: Tue, 21 Feb 2023 17:28:14 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: [linux-next:master 488/13664] drivers/gpu/drm/i915/display/intel_color.c:1400 intel_color_prepare_commit() warn: ignoring unreachable code. Message-ID: <202302211707.9malP4N2-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 CC: Linux Memory Management List TO: "Ville Syrjälä" CC: Ankit Nautiyal CC: Uma Shankar tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 465461cf48465b8a0a54025db5ae2b3df7a04577 commit: 2487ae0bcb53a7d4180c551c02b1f318ea590c84 [488/13664] drm/i915: Disable DSB usage specifically for LUTs :::::: branch date: 3 hours ago :::::: commit date: 2 months ago config: x86_64-randconfig-m001-20230213 (https://download.01.org/0day-ci/archive/20230221/202302211707.9malP4N2-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Reported-by: Dan Carpenter | Link: https://lore.kernel.org/r/202302211707.9malP4N2-lkp@intel.com/ New smatch warnings: drivers/gpu/drm/i915/display/intel_color.c:1400 intel_color_prepare_commit() warn: ignoring unreachable code. Old smatch warnings: drivers/gpu/drm/i915/display/intel_color.c:2579 i9xx_read_lut_10() error: uninitialized symbol 'ldw'. drivers/gpu/drm/i915/display/intel_color.c:2579 i9xx_read_lut_10() error: uninitialized symbol 'udw'. vim +1400 drivers/gpu/drm/i915/display/intel_color.c 4d8ed54c044703 drivers/gpu/drm/i915/intel_color.c Ville Syrjälä 2019-02-05 1392 efb2b57edf20c3 drivers/gpu/drm/i915/display/intel_color.c Ville Syrjälä 2022-11-23 1393 void intel_color_prepare_commit(struct intel_crtc_state *crtc_state) efb2b57edf20c3 drivers/gpu/drm/i915/display/intel_color.c Ville Syrjälä 2022-11-23 1394 { b358c3b98813b1 drivers/gpu/drm/i915/display/intel_color.c Ville Syrjälä 2022-11-23 1395 struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); b358c3b98813b1 drivers/gpu/drm/i915/display/intel_color.c Ville Syrjälä 2022-11-23 1396 2487ae0bcb53a7 drivers/gpu/drm/i915/display/intel_color.c Ville Syrjälä 2022-11-23 1397 /* FIXME DSB has issues loading LUTs, disable it for now */ 2487ae0bcb53a7 drivers/gpu/drm/i915/display/intel_color.c Ville Syrjälä 2022-11-23 1398 return; 2487ae0bcb53a7 drivers/gpu/drm/i915/display/intel_color.c Ville Syrjälä 2022-11-23 1399 b358c3b98813b1 drivers/gpu/drm/i915/display/intel_color.c Ville Syrjälä 2022-11-23 @1400 crtc_state->dsb = intel_dsb_prepare(crtc); efb2b57edf20c3 drivers/gpu/drm/i915/display/intel_color.c Ville Syrjälä 2022-11-23 1401 } efb2b57edf20c3 drivers/gpu/drm/i915/display/intel_color.c Ville Syrjälä 2022-11-23 1402 :::::: The code at line 1400 was first introduced by commit :::::: b358c3b98813b1557588a11c894b22915251a2ce drm/i915: Make DSB lower level :::::: TO: Ville Syrjälä :::::: CC: Ville Syrjälä -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests