Messages in this thread | | | From | "Zhuo, Lillian" <> | Subject | RE: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/display_mode_core.c:6193:12: warning: stack frame size (3368) exceeds limit (2048) in 'dml_core_mode_support' | Date | Tue, 6 Feb 2024 16:06:03 +0000 |
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[AMD Official Use Only - General]
+ Jay, who is looking into the issue
-----Original Message----- From: Alexander Lobakin <aleksander.lobakin@intel.com> Sent: Tuesday, February 6, 2024 8:20 AM To: Zhuo, Lillian <Qingqing.Zhuo@amd.com> Cc: kernel test robot <lkp@intel.com>; oe-kbuild-all@lists.linux.dev; linux-kernel@vger.kernel.org; Deucher, Alexander <Alexander.Deucher@amd.com>; Siqueira, Rodrigo <Rodrigo.Siqueira@amd.com>; Li, Roman <Roman.Li@amd.com> Subject: Re: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/display_mode_core.c:6193:12: warning: stack frame size (3368) exceeds limit (2048) in 'dml_core_mode_support'
From: Kernel Test Robot <lkp@intel.com> Date: Mon, 20 Nov 2023 10:01:21 +0800
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 037266a5f7239ead1530266f7d7af153d2a867fa > commit: 7966f319c66d9468623c6a6a017ecbc0dd79be75 drm/amd/display: Introduce DML2 > date: 6 weeks ago > config: x86_64-randconfig-121-20231119 > (https://download.01.org/0day-ci/archive/20231120/202311200955.pmjdQEM > 1-lkp@intel.com/config) > compiler: clang version 16.0.4 > (https://github.com/llvm/llvm-project.git > ae42196bc493ffe877a7e3dff8be32035dea4d07) > reproduce (this is a W=1 build): > (https://download.01.org/0day-ci/archive/20231120/202311200955.pmjdQEM > 1-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@intel.com> > | Closes: > | https://lore.kernel.org/oe-kbuild-all/202311200955.pmjdQEM1-lkp@inte > | l.com/ > > All warnings (new ones prefixed by >>): > > warning: unknown warning option '-Wstringop-truncation'; did you mean '-Wstring-concatenation'? [-Wunknown-warning-option] > warning: unknown warning option '-Wpacked-not-aligned'; did you > mean '-Wpacked-non-pod'? [-Wunknown-warning-option] >>> drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/display_mode_core.c:61 >>> 93:12: warning: stack frame size (3368) exceeds limit (2048) in >>> 'dml_core_mode_support' [-Wframe-larger-than] > dml_bool_t dml_core_mode_support(struct display_mode_lib_st > *mode_lib)
Ping? This still happens on the latest RC and linux-next on LLVM 19 at least (-O2) and breaks CONFIG_WERROR builds.
> ^ > 2183/3368 (64.82%) spills, 1185/3368 (35.18%) variables > drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/display_mode_core.c:8241:6: warning: stack frame size (2232) exceeds limit (2048) in 'dml_core_mode_programming' [-Wframe-larger-than] > void dml_core_mode_programming(struct display_mode_lib_st *mode_lib, const struct dml_clk_cfg_st *clk_cfg) > ^ > 1441/2232 (64.56%) spills, 791/2232 (35.44%) variables > 4 warnings generated. Thanks, Olek
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