linux-kernel - drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c:6953:13: warning: stack frame size (3160) exceeds limit (3072) in 'dml_core_mode

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Message-ID: <202410260648.Dnwzz67Y-lkp@intel.com>
Date: Sat, 26 Oct 2024 06:50:06 +0800
From: kernel test robot <lkp@...el.com>
To: Rodrigo Siqueira <Rodrigo.Siqueira@....com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Alex Deucher <alexander.deucher@....com>
Subject: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c:6953:13:
 warning: stack frame size (3160) exceeds limit (3072) in
 'dml_core_mode_support'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c71f8fb4dc911022748a378b16aad1cc9b43aad8
commit: a00e85713c372f19a81432e44f0bd5cb5102c644 drm/amd/display: Update DML2.1 generated code
date:   5 months ago
config: x86_64-randconfig-071-20241024 (https://download.01.org/0day-ci/archive/20241026/202410260648.Dnwzz67Y-lkp@intel.com/config)
compiler: clang version 19.1.2 (https://github.com/llvm/llvm-project 7ba7d8e2f7b6445b60679da826210cdde29eaf8b)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241026/202410260648.Dnwzz67Y-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410260648.Dnwzz67Y-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c:6:
   In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml21/src/inc/dml2_internal_shared_types.h:9:
   In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml21/inc/dml2_external_lib_deps.h:8:
   In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:31:
   In file included from include/linux/kgdb.h:19:
   In file included from include/linux/kprobes.h:28:
   In file included from include/linux/ftrace.h:13:
   In file included from include/linux/kallsyms.h:13:
   In file included from include/linux/mm.h:2208:
   include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     522 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c:6953:13: warning: stack frame size (3160) exceeds limit (3072) in 'dml_core_mode_support' [-Wframe-larger-than]
    6953 | static bool dml_core_mode_support(struct dml2_core_calcs_mode_support_ex *in_out_params)
         |             ^
   2 warnings generated.


vim +/dml_core_mode_support +6953 drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c

a00e85713c372f Rodrigo Siqueira 2024-04-29  6952  
70839da6360500 Aurabindo Pillai 2024-04-19 @6953  static bool dml_core_mode_support(struct dml2_core_calcs_mode_support_ex *in_out_params)
70839da6360500 Aurabindo Pillai 2024-04-19  6954  {
70839da6360500 Aurabindo Pillai 2024-04-19  6955  	struct dml2_core_internal_display_mode_lib *mode_lib = in_out_params->mode_lib;
70839da6360500 Aurabindo Pillai 2024-04-19  6956  	const struct dml2_display_cfg *display_cfg = in_out_params->in_display_cfg;
70839da6360500 Aurabindo Pillai 2024-04-19  6957  	const struct dml2_mcg_min_clock_table *min_clk_table = in_out_params->min_clk_table;
70839da6360500 Aurabindo Pillai 2024-04-19  6958  

:::::: The code at line 6953 was first introduced by commit
:::::: 70839da6360500a82e4d5f78499284474cbed7c1 drm/amd/display: Add new DCN401 sources

:::::: TO: Aurabindo Pillai <aurabindo.pillai@....com>
:::::: CC: Alex Deucher <alexander.deucher@....com>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki