From: kernel test robot <lkp@intel.com>
To: Alvin Lee <Alvin.Lee2@amd.com>
Cc: oe-kbuild-all@lists.linux.dev,
Alex Deucher <alexander.deucher@amd.com>,
Dillon Varone <dillon.varone@amd.com>,
Ivan Lipski <ivan.lipski@amd.com>
Subject: [linux-next:master 678/13246] Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:218 function parameter 'copy_width' not described in 'calculate_tile_aligned_size'
Date: Fri, 02 Oct 2026 08:52:50 +0200 [thread overview]
Message-ID: <202610020825.cduaAr2m-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 9f24d789f03b22941b905ded43cb5ff8eea9ce62
commit: c16d07698fce2e7a0557c4569d426a36eaa8e958 [678/13246] drm/amd/display: Update alt-ch size calculations
config: x86_64-rhel-9.4-bpf (https://download.01.org/0day-ci/archive/20261002/202610020825.cduaAr2m-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261002/202610020825.cduaAr2m-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/202610020825.cduaAr2m-lkp@intel.com/
All warnings (new ones prefixed by >>):
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:98 Cannot find identifier on line:
* *****************************************************************************************************************************
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:107 function parameter 'p' not described in 'get_plane_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:107 function parameter 'plane_idx' not described in 'get_plane_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:107 function parameter 'chroma' not described in 'get_plane_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:107 function parameter 'out' not described in 'get_plane_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:131 Cannot find identifier on line:
* *****************************************************************************************************************************
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:142 function parameter 'p' not described in 'compute_pre_rec_first_hdl'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:142 function parameter 'chroma' not described in 'compute_pre_rec_first_hdl'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:142 function parameter 'stream_idx' not described in 'compute_pre_rec_first_hdl'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:142 function parameter 'plane_idx' not described in 'compute_pre_rec_first_hdl'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:142 function parameter 'pre_first_hdl_out' not described in 'compute_pre_rec_first_hdl'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:142 function parameter 'rec_first_hdl_out' not described in 'compute_pre_rec_first_hdl'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:169 Cannot find identifier on line:
* ************************************************************************************************************************************
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'pre_first_hdl' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'rec_first_hdl' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'pre_hdl_delta' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'rec_hdl_delta' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'prefetch_swaths' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'total_swaths' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'svp0_dst_lines' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'svp1_dst_lines' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'vtotal' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:206 Cannot find identifier on line:
* *******************************************************************************************************************************************************
>> Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:218 function parameter 'copy_width' not described in 'calculate_tile_aligned_size'
>> Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:218 function parameter 'copy_height' not described in 'calculate_tile_aligned_size'
>> Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:218 function parameter 'tile_width' not described in 'calculate_tile_aligned_size'
>> Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:218 function parameter 'tile_height' not described in 'calculate_tile_aligned_size'
>> Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:218 function parameter 'byte_per_pixel' not described in 'calculate_tile_aligned_size'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:299 Cannot find identifier on line:
* *****************************************************************************************************************************
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:312 function parameter 'p' not described in 'calculate_alt_copy_time_us'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:345 Cannot find identifier on line:
* *****************************************************************************************************************************
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:365 function parameter 'p' not described in 'calculate_ub_copy_size_per_plane_per_dpp_per_svp'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:365 function parameter 'svp_dst_lines' not described in 'calculate_ub_copy_size_per_plane_per_dpp_per_svp'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:365 function parameter 'plane_idx' not described in 'calculate_ub_copy_size_per_plane_per_dpp_per_svp'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:365 function parameter 'chroma' not described in 'calculate_ub_copy_size_per_plane_per_dpp_per_svp'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:365 Excess function parameter 'input' description in 'calculate_ub_copy_size_per_plane_per_dpp_per_svp'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:397 Cannot find identifier on line:
* ***********************************************************************************************************
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:411 function parameter 'p' not described in 'calculate_swath_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:411 function parameter 'plane_idx' not described in 'calculate_swath_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:411 function parameter 'chroma' not described in 'calculate_swath_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:411 function parameter 'out' not described in 'calculate_swath_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:98 Cannot find identifier on line:
* *****************************************************************************************************************************
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:107 function parameter 'p' not described in 'get_plane_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:107 function parameter 'plane_idx' not described in 'get_plane_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:107 function parameter 'chroma' not described in 'get_plane_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:107 function parameter 'out' not described in 'get_plane_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:131 Cannot find identifier on line:
* *****************************************************************************************************************************
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:142 function parameter 'p' not described in 'compute_pre_rec_first_hdl'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:142 function parameter 'chroma' not described in 'compute_pre_rec_first_hdl'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:142 function parameter 'stream_idx' not described in 'compute_pre_rec_first_hdl'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:142 function parameter 'plane_idx' not described in 'compute_pre_rec_first_hdl'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:142 function parameter 'pre_first_hdl_out' not described in 'compute_pre_rec_first_hdl'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:142 function parameter 'rec_first_hdl_out' not described in 'compute_pre_rec_first_hdl'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:169 Cannot find identifier on line:
* ************************************************************************************************************************************
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'pre_first_hdl' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'rec_first_hdl' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'pre_hdl_delta' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'rec_hdl_delta' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'prefetch_swaths' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'total_swaths' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'svp0_dst_lines' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'svp1_dst_lines' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:187 function parameter 'vtotal' not described in 'calculate_copy_swaths'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:206 Cannot find identifier on line:
* *******************************************************************************************************************************************************
>> Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:218 function parameter 'copy_width' not described in 'calculate_tile_aligned_size'
>> Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:218 function parameter 'copy_height' not described in 'calculate_tile_aligned_size'
>> Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:218 function parameter 'tile_width' not described in 'calculate_tile_aligned_size'
>> Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:218 function parameter 'tile_height' not described in 'calculate_tile_aligned_size'
>> Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:218 function parameter 'byte_per_pixel' not described in 'calculate_tile_aligned_size'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:299 Cannot find identifier on line:
* *****************************************************************************************************************************
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:312 function parameter 'p' not described in 'calculate_alt_copy_time_us'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:345 Cannot find identifier on line:
* *****************************************************************************************************************************
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:365 function parameter 'p' not described in 'calculate_ub_copy_size_per_plane_per_dpp_per_svp'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:365 function parameter 'svp_dst_lines' not described in 'calculate_ub_copy_size_per_plane_per_dpp_per_svp'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:365 function parameter 'plane_idx' not described in 'calculate_ub_copy_size_per_plane_per_dpp_per_svp'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:365 function parameter 'chroma' not described in 'calculate_ub_copy_size_per_plane_per_dpp_per_svp'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:365 Excess function parameter 'input' description in 'calculate_ub_copy_size_per_plane_per_dpp_per_svp'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:397 Cannot find identifier on line:
* ***********************************************************************************************************
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:411 function parameter 'p' not described in 'calculate_swath_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:411 function parameter 'plane_idx' not described in 'calculate_swath_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:411 function parameter 'chroma' not described in 'calculate_swath_params'
Warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c:411 function parameter 'out' not described in 'calculate_swath_params'
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