linux-kernel - ld.lld: warning: src/consumer/drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/display_mode_core.c:6269:0: stack frame size (4048) exceeds limit (3072) in function 'dml_prefetch

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Message-ID: <202502050105.2A6kZvev-lkp@intel.com>
Date: Wed, 5 Feb 2025 01:37:28 +0800
From: kernel test robot <lkp@...el.com>
To: Tzung-Bi Shih <tzungbi@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Alex Deucher <alexander.deucher@....com>
Subject: ld.lld: warning:
 src/consumer/drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/display_mode_core.c:6269:0:
 stack frame size (4048) exceeds limit (3072) in function
 'dml_prefetch_check'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0de63bb7d91975e73338300a57c54b93d3cc151c
commit: a8d42cd228ec41ad99c50a270db82f0dd9127a28 drm/amd/display: mark static functions noinline_for_stack
date:   11 days ago
config: x86_64-randconfig-075-20250203 (https://download.01.org/0day-ci/archive/20250205/202502050105.2A6kZvev-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250205/202502050105.2A6kZvev-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/202502050105.2A6kZvev-lkp@intel.com/

All warnings (new ones prefixed by >>):

   ld.lld: warning: src/consumer/drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_32.c:1725:0: stack frame size (3496) exceeds limit (3072) in function 'dml32_ModeSupportAndSystemConfigurationFull'
   ld.lld: warning: src/consumer/drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/display_mode_core.c:6714:0: stack frame size (3416) exceeds limit (3072) in function 'dml_core_mode_support'
>> ld.lld: warning: src/consumer/drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/display_mode_core.c:6269:0: stack frame size (4048) exceeds limit (3072) in function 'dml_prefetch_check'
   ld.lld: warning: src/consumer/drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/display_mode_core.c:8290:0: stack frame size (3584) exceeds limit (3072) in function 'dml_core_mode_programming'
   ld.lld: warning: src/consumer/drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c:7308:0: stack frame size (4944) exceeds limit (3072) in function 'dml_core_mode_support.46549'
   ld.lld: warning: src/consumer/drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c:10360:0: stack frame size (3744) exceeds limit (3072) in function 'dml_core_mode_programming.46571'

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