Hi Nick, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 0d426553bb97ebfcb4ea34e8fd63477a44316644 commit: f25433cb156a967d9b426ebaadf197c2369398e7 [9263/23983] drm/amd/display: readd -msse2 to prevent Clang from emitting libcalls to undefined SW FP routines config: x86_64-randconfig-071-20241104 (https://download.01.org/0day-ci/archive/20241105/202411050901.GVulQ30e-lkp@i...) 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/20241105/202411050901.GVulQ30e-lkp@i...) 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/202411050901.GVulQ30e-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dml1_display_rq_dlg_calc.c:26: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dml1_display_rq_dlg_calc.h:29: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dml_common_defs.h:29: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services.h:35: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:29: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:31: In file included from include/drm/drmP.h:62: In file included from arch/x86/include/asm/pgalloc.h:7: include/linux/pagemap.h:401:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict] 401 | filler_t *filler = (filler_t *)mapping->a_ops->readpage; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated.

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drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dml1_display_rq_dlg_calc.o: warning: objtool: dml1_rq_dlg_get_dlg_params()+0x2efb: unreachable instruction

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