From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8C1DED1D88F for ; Tue, 15 Oct 2024 17:02:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D34A810E5D4; Tue, 15 Oct 2024 17:02:41 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="BVEy19Cq"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6537B10E5DD; Tue, 15 Oct 2024 17:02:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729011761; x=1760547761; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=25hxaowDpDYK8TbQdGfXRUfKvGkgzt+94kBWLP8fHPg=; b=BVEy19CqfS6trmppdI2a0By8mswxYT+J5U2nLf11LWKYhNVa2kq25f5U mywUZVylxRhRCbE5+qMMi9GcGVbb5FZ4bGoYMWaBNRWq5qjqOeWMjrEfi hLCu20NKR6l9jlhp5HmD2PUGKs5n4Gfi4j1+sD4jQ+WHHa7HDzsnFV+/y pUVwG3Mfg1zP0gkQKhZRkSV9ftyJyNUDZ78fdznsZweTaaJpWYf0tMGgY BTercVS86bnvDJFwMgxwU1daRZ+dgEwmmxwES6+FPIOIGYb/kjaUNCBGE eIHzBWPdWQGLe65grFIl06ssAwup5SoTc1yv3aEz1ZNN0y+iUHetvLIUn A==; X-CSE-ConnectionGUID: jBc8oz3rRjqO+bQmgScGWg== X-CSE-MsgGUID: yKkk8i3LTOi+CUS5IgTUHQ== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="50957231" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="50957231" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Oct 2024 10:02:40 -0700 X-CSE-ConnectionGUID: Bz2CBDoUQRq+0/Vjxz6R0Q== X-CSE-MsgGUID: OvGl0Vz1S8+8azJHYkXYfw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,205,1725346800"; d="scan'208";a="108691617" Received: from lkp-server01.sh.intel.com (HELO a48cf1aa22e8) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 15 Oct 2024 10:02:38 -0700 Received: from kbuild by a48cf1aa22e8 with local (Exim 4.96) (envelope-from ) id 1t0kwO-000Jdz-17; Tue, 15 Oct 2024 17:02:36 +0000 Date: Wed, 16 Oct 2024 01:01:51 +0800 From: kernel test robot To: Ankit Nautiyal , intel-gfx@lists.freedesktop.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, intel-xe@lists.freedesktop.org Subject: Re: [PATCH 6/9] drm/i915/display: Add DSC pixel replication Message-ID: <202410160018.hjWyI23D-lkp@intel.com> References: <20241014081000.2844245-7-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241014081000.2844245-7-ankit.k.nautiyal@intel.com> X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Hi Ankit, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on next-20241015] [cannot apply to drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.12-rc3] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ankit-Nautiyal/drm-i915-display-Prepare-for-dsc-3-stream-splitter/20241014-161007 base: git://anongit.freedesktop.org/drm-intel for-linux-next patch link: https://lore.kernel.org/r/20241014081000.2844245-7-ankit.k.nautiyal%40intel.com patch subject: [PATCH 6/9] drm/i915/display: Add DSC pixel replication config: i386-defconfig (https://download.01.org/0day-ci/archive/20241016/202410160018.hjWyI23D-lkp@intel.com/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241016/202410160018.hjWyI23D-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/202410160018.hjWyI23D-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/i915/display/intel_vdsc.c:1022:6: warning: variable 'dss_ctl3' is uninitialized when used here [-Wuninitialized] 1022 | if (dss_ctl3 & DSC_PIXEL_REPLICATION_MASK) | ^~~~~~~~ drivers/gpu/drm/i915/display/intel_vdsc.c:991:34: note: initialize the variable 'dss_ctl3' to silence this warning 991 | u32 dss_ctl1, dss_ctl2, dss_ctl3; | ^ | = 0 1 warning generated. vim +/dss_ctl3 +1022 drivers/gpu/drm/i915/display/intel_vdsc.c 983 984 void intel_dsc_get_config(struct intel_crtc_state *crtc_state) 985 { 986 struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); 987 struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); 988 enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; 989 enum intel_display_power_domain power_domain; 990 intel_wakeref_t wakeref; 991 u32 dss_ctl1, dss_ctl2, dss_ctl3; 992 993 if (!intel_dsc_source_support(crtc_state)) 994 return; 995 996 power_domain = intel_dsc_power_domain(crtc, cpu_transcoder); 997 998 wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain); 999 if (!wakeref) 1000 return; 1001 1002 dss_ctl1 = intel_de_read(dev_priv, dss_ctl1_reg(crtc, cpu_transcoder)); 1003 dss_ctl2 = intel_de_read(dev_priv, dss_ctl2_reg(crtc, cpu_transcoder)); 1004 1005 if (IS_BATTLEMAGE(dev_priv)) 1006 dss_ctl3 = intel_de_read(dev_priv, BMG_PIPE_DSS_CTL3(crtc_state->cpu_transcoder)); 1007 1008 crtc_state->dsc.compression_enable = dss_ctl2 & VDSC0_ENABLE; 1009 if (!crtc_state->dsc.compression_enable) 1010 goto out; 1011 1012 if (dss_ctl1 & JOINER_ENABLE) { 1013 if (dss_ctl2 & (VDSC2_ENABLE | SMALL_JOINER_CONFIG_3_ENGINES)) 1014 crtc_state->dsc.dsc_split = INTEL_DSC_SPLIT_3_STREAMS; 1015 1016 else if (dss_ctl2 & VDSC1_ENABLE) 1017 crtc_state->dsc.dsc_split = INTEL_DSC_SPLIT_2_STREAMS; 1018 } else { 1019 crtc_state->dsc.dsc_split = INTEL_DSC_SPLIT_DISABLED; 1020 } 1021 > 1022 if (dss_ctl3 & DSC_PIXEL_REPLICATION_MASK) 1023 crtc_state->dsc.pixel_replication_count = 1024 dss_ctl3 & DSC_PIXEL_REPLICATION_MASK; 1025 1026 intel_dsc_get_pps_config(crtc_state); 1027 out: 1028 intel_display_power_put(dev_priv, power_domain, wakeref); 1029 } 1030 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki