From: kernel test robot <lkp@intel.com>
To: Mario Limonciello <mario.limonciello@amd.com>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [superm1:superm1/brightness-changes-6.15 3/7] drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:4694:13: error: 'caps' undeclared
Date: Fri, 7 Mar 2025 23:04:20 +0800 [thread overview]
Message-ID: <202503072204.9LZTFcpb-lkp@intel.com> (raw)
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 <lkp@intel.com>
| 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
reply other threads:[~2025-03-07 15:04 UTC|newest]
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