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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/superm1/linux.git superm1/brightness-changes-6.15 head: e1a5d02a5851574c4f09e3d483c473555e69a453 commit: 88e76b926b193764694367e3411d004d5db78ccb [3/7] drm/amd/display: Avoid operating on copies of backlight caps config: sparc-allmodconfig (https://download.01.org/0day-ci/archive/20250307/202503072204.9LZTFcpb-lkp@intel.com/config) compiler: sparc64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250307/202503072204.9LZTFcpb-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/202503072204.9LZTFcpb-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'amdgpu_dm_update_backlight_caps': >> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:4694:13: error: 'caps' undeclared (first use in this function) 4694 | if (caps->aux_support) | ^~~~ drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:4694:13: note: each undeclared identifier is reported only once for each function it appears in vim +/caps +4694 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c 4662 4663 static void amdgpu_dm_update_backlight_caps(struct amdgpu_display_manager *dm, 4664 int bl_idx) 4665 { 4666 #if defined(CONFIG_ACPI) 4667 struct amdgpu_dm_backlight_caps *caps = &dm->backlight_caps[bl_idx]; 4668 4669 if (caps->caps_valid) 4670 return; 4671 4672 amdgpu_acpi_get_backlight_caps(caps); 4673 4674 /* validate the firmware value is sane */ 4675 if (caps->caps_valid) { 4676 int spread = caps->max_input_signal - caps->min_input_signal; 4677 4678 if (caps->max_input_signal > AMDGPU_DM_DEFAULT_MAX_BACKLIGHT || 4679 caps->min_input_signal < 0 || 4680 spread > AMDGPU_DM_DEFAULT_MAX_BACKLIGHT || 4681 spread < AMDGPU_DM_MIN_SPREAD) { 4682 DRM_DEBUG_KMS("DM: Invalid backlight caps: min=%d, max=%d\n", 4683 caps->min_input_signal, caps->max_input_signal); 4684 caps->caps_valid = false; 4685 } 4686 } 4687 4688 if (!caps->caps_valid) { 4689 caps->min_input_signal = AMDGPU_DM_DEFAULT_MIN_BACKLIGHT; 4690 caps->max_input_signal = AMDGPU_DM_DEFAULT_MAX_BACKLIGHT; 4691 caps->caps_valid = true; 4692 } 4693 #else > 4694 if (caps->aux_support) 4695 return; 4696 4697 caps->min_input_signal = AMDGPU_DM_DEFAULT_MIN_BACKLIGHT; 4698 caps->max_input_signal = AMDGPU_DM_DEFAULT_MAX_BACKLIGHT; 4699 caps->caps_valid = true; 4700 #endif 4701 } 4702 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki