From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 AA7822E282B; Fri, 16 Oct 2026 01:22:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792113746; cv=none; b=FO4iawDirK8Cr1fPnmjhRNM9MVszWHgmMpopoCBDIGtpfCT5MnPiAVuXPUtY/BnMGvlLHqbGsXC9TzYy6Ecpq0XGXdlwcV3TqEK2cEB3Dv7tdLbGgcQqNhKOG402r86G1msN8fjTm88vtVymXTSm45u26ymWQfknqxZ8SF6qT7k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792113746; c=relaxed/simple; bh=xwW3geS7NTLBw0wTSJ1HDN43irNs82bHCIk1paXYgfo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=bqS0fvxmaS7Hs7JWqyfAvhS8cve/9+IFPvlxRJtig+BEuarT2chfYkBAIysJnVZpHCzrKqbvEMPVYfM+xEIfLTceWq6RFpGsWFXUjN7asljug76EwMVOmJFx5eWh+sOoRaVQaZsm+N17QS1i7zpce5JpgszvetCdhQQi65uIz8M= 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=VNYhd6nO; arc=none smtp.client-ip=192.198.163.14 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="VNYhd6nO" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1792113744; x=1823649744; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=xwW3geS7NTLBw0wTSJ1HDN43irNs82bHCIk1paXYgfo=; b=VNYhd6nOJJAbtDj7nvJi+w0EhPbZzhryJmunuIVmb/IUyrEdrhvbcHo8 B8bTdheRsacBiCDTdF2OOTnIfQePk/2BOMa199qB7PFALUO/S6ZMyFqgW brxH6bAdqoy7fH6tgCo6LaBWqne/pYBauN8QczRfhGiW05eHegD8PllTO sTw3OF17Tbtc1CFOfZ0tv5uCrxAclyeElxCNjqk67MV9u/yqb3fd93wTR kJL0Tr6M/Oh29S4iyyU4nfdS6vHS16GxzWHeV6Vzms8caqRtElpYlE0ti F5nuygnU2uvDhZMjBzEZWkFOE5UuJQIAvfdApsOaH416VRUnb+7WMd1Oi w==; X-CSE-ConnectionGUID: ZZ2IGjZRQg6oWcDI0vP7EQ== X-CSE-MsgGUID: F5VJPe7cSsiU6XfKSAoAsQ== X-IronPort-AV: E=McAfee;i="6800,10657,11936"; a="910343" X-IronPort-AV: E=Sophos;i="6.27,160,1787036400"; d="scan'208";a="910343" Received: from fmviesa011.fm.intel.com ([10.60.135.151]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Oct 2026 18:22:24 -0700 X-CSE-ConnectionGUID: Lv5V6VB2QtGhXdHYpDfLcg== X-CSE-MsgGUID: if/VIz2VSEa9v57lhON+3Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,160,1787036400"; d="scan'208";a="3657518" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by fmviesa011.fm.intel.com with ESMTP; 15 Oct 2026 18:22:23 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xHWeK-00000000HO2-2u3b; Fri, 16 Oct 2026 01:22:20 +0000 Date: Fri, 16 Oct 2026 09:21:45 +0800 From: kernel test robot To: Kory Maincent Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH RFC v3 1/8] drm: Move sink link rates reading helpers out of i915 Message-ID: <202610160925.QJrMX394-lkp@intel.com> References: <20261012-feat_link_cap-v3-1-7517f4aba0f3@bootlin.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261012-feat_link_cap-v3-1-7517f4aba0f3@bootlin.com> Hi Kory, [This is a private test report for your RFC patch.] kernel test robot noticed the following build errors: [auto build test ERROR on 34e9ab0182494d7599dc9759bc216550d814b396] url: https://github.com/intel-lab-lkp/linux/commits/Kory-Maincent/drm-Move-sink-link-rates-reading-helpers-out-of-i915/20261012-171056 base: 34e9ab0182494d7599dc9759bc216550d814b396 patch link: https://lore.kernel.org/r/20261012-feat_link_cap-v3-1-7517f4aba0f3%40bootlin.com patch subject: [PATCH RFC v3 1/8] drm: Move sink link rates reading helpers out of i915 config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20261016/202610160925.QJrMX394-lkp@intel.com/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261016/202610160925.QJrMX394-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 | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202610160925.QJrMX394-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/display/drm_dp_helper.c:4947:7: error: call to undeclared function 'drm_dp_tunnel_bw_alloc_is_enabled'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 4947 | if (!drm_dp_tunnel_bw_alloc_is_enabled(tunnel)) | ^ >> drivers/gpu/drm/display/drm_dp_helper.c:4954:9: error: call to undeclared function 'drm_dp_tunnel_128b132b_dprx_rates'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 4954 | return drm_dp_tunnel_128b132b_dprx_rates(tunnel); | ^ drivers/gpu/drm/display/drm_dp_helper.c:4954:9: note: did you mean 'drm_dprx_128b132b_link_rates'? drivers/gpu/drm/display/drm_dp_helper.c:4944:11: note: 'drm_dprx_128b132b_link_rates' declared here 4944 | static u8 drm_dprx_128b132b_link_rates(const struct drm_dp_tunnel *tunnel, | ^ 4945 | u8 uhbr_rates) 4946 | { 4947 | if (!drm_dp_tunnel_bw_alloc_is_enabled(tunnel)) 4948 | return uhbr_rates; 4949 | 4950 | static_assert(DP_TUNNELING_10GBPS_PER_LANE_SUPPORT == DP_UHBR10 && 4951 | DP_TUNNELING_13_5GBPS_PER_LANE_SUPPORT == DP_UHBR13_5 && 4952 | DP_TUNNELING_20GBPS_PER_LANE_SUPPORT == DP_UHBR20); 4953 | 4954 | return drm_dp_tunnel_128b132b_dprx_rates(tunnel); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | drm_dprx_128b132b_link_rates drivers/gpu/drm/display/drm_dp_helper.c:4960:16: error: call to undeclared function 'drm_dp_tunnel_bw_alloc_is_enabled'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 4960 | if (tunnel && drm_dp_tunnel_bw_alloc_is_enabled(tunnel)) | ^ >> drivers/gpu/drm/display/drm_dp_helper.c:4961:10: error: call to undeclared function 'drm_dp_tunnel_128b132b_supported'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 4961 | return drm_dp_tunnel_128b132b_supported(tunnel); | ^ drivers/gpu/drm/display/drm_dp_helper.c:4961:10: note: did you mean 'drm_dp_128b132b_supported'? include/drm/display/drm_dp_helper.h:283:1: note: 'drm_dp_128b132b_supported' declared here 283 | drm_dp_128b132b_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) | ^ 4 errors generated. vim +/drm_dp_tunnel_bw_alloc_is_enabled +4947 drivers/gpu/drm/display/drm_dp_helper.c 4943 4944 static u8 drm_dprx_128b132b_link_rates(const struct drm_dp_tunnel *tunnel, 4945 u8 uhbr_rates) 4946 { > 4947 if (!drm_dp_tunnel_bw_alloc_is_enabled(tunnel)) 4948 return uhbr_rates; 4949 4950 static_assert(DP_TUNNELING_10GBPS_PER_LANE_SUPPORT == DP_UHBR10 && 4951 DP_TUNNELING_13_5GBPS_PER_LANE_SUPPORT == DP_UHBR13_5 && 4952 DP_TUNNELING_20GBPS_PER_LANE_SUPPORT == DP_UHBR20); 4953 > 4954 return drm_dp_tunnel_128b132b_dprx_rates(tunnel); 4955 } 4956 4957 static bool drm_dprx_supports_128b132b(const struct drm_dp_tunnel *tunnel, 4958 const u8 dpcd[DP_RECEIVER_CAP_SIZE]) 4959 { > 4960 if (tunnel && drm_dp_tunnel_bw_alloc_is_enabled(tunnel)) > 4961 return drm_dp_tunnel_128b132b_supported(tunnel); 4962 else 4963 return drm_dp_128b132b_supported(dpcd); 4964 } 4965 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki