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Message-ID: <202210172337.urLYhDie-lkp@intel.com>
Date: Mon, 17 Oct 2022 23:30:10 +0800
From: kernel test robot <lkp@...el.com>
To: Alex Deucher <alexander.deucher@....com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Luben Tuikov <luben.tuikov@....com>
Subject: drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hwseq.c:322:34:
warning: variable 'optc' set but not used
Hi Alex,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9abf2313adc1ca1b6180c508c25f22f9395cc780
commit: 20f2ffe504728612d7b0c34e4f8280e34251e704 drm/amdgpu: fold CONFIG_DRM_AMD_DC_DCN3* into CONFIG_DRM_AMD_DC_DCN (v3)
date: 1 year, 11 months ago
config: i386-buildonly-randconfig-r005-20221017
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=20f2ffe504728612d7b0c34e4f8280e34251e704
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 20f2ffe504728612d7b0c34e4f8280e34251e704
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/ kernel/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hwseq.c: In function 'dcn30_enable_writeback':
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hwseq.c:322:34: warning: variable 'optc' set but not used [-Wunused-but-set-variable]
322 | struct timing_generator *optc;
| ^~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hwseq.c: In function 'dcn30_update_info_frame':
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hwseq.c:654:14: warning: variable 'is_dp' set but not used [-Wunused-but-set-variable]
654 | bool is_dp;
| ^~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:86,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hwseq.c:29:
At top level:
drivers/gpu/drm/amd/amdgpu/../display/dc/inc/hw/dpp.h:50:42: warning: 'dpp_input_csc_matrix' defined but not used [-Wunused-const-variable=]
50 | static const struct dpp_input_csc_matrix dpp_input_csc_matrix[] = {
| ^~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:32,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hwseq.c:29:
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:126:22: warning: 'DP_DVI_CONVERTER_ID_5' defined but not used [-Wunused-const-variable=]
126 | static const uint8_t DP_DVI_CONVERTER_ID_5[] = "3393N2";
| ^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:125:22: warning: 'DP_DVI_CONVERTER_ID_4' defined but not used [-Wunused-const-variable=]
125 | static const uint8_t DP_DVI_CONVERTER_ID_4[] = "m2DVIa";
| ^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:123:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_3' defined but not used [-Wunused-const-variable=]
123 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_3[] = "dnomlA";
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:121:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_2' defined but not used [-Wunused-const-variable=]
121 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_2[] = "sivarT";
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:33,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:30,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services.h:35,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hwseq.c:27:
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
| ^~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
| ^~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
| ^~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
| ^~~~~~~~~~~
--
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_afmt.c: In function 'afmt3_se_audio_setup':
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_afmt.c:122:18: warning: variable 'speakers' set but not used [-Wunused-but-set-variable]
122 | uint32_t speakers = 0;
| ^~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:33,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:30,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services.h:35,
from drivers/gpu/drm/amd/amdgpu/../display/include/bios_parser_types.h:30,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_bios_types.h:39,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_afmt.c:27:
At top level:
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
| ^~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
| ^~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
| ^~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
| ^~~~~~~~~~~
--
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hubp.c: In function 'hubp3_set_vm_system_aperture_settings':
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hubp.c:50:30: warning: variable 'mc_vm_apt_default' set but not used [-Wunused-but-set-variable]
50 | PHYSICAL_ADDRESS_LOC mc_vm_apt_default;
| ^~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:33,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dc.h:29,
from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/hw/mem_input.h:28,
from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/hw/hubp.h:29,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/../dcn10/dcn10_hubp.h:28,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_hubp.h:29,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hubp.h:29,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hubp.c:26:
At top level:
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
| ^~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
| ^~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
| ^~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
| ^~~~~~~~~~~
vim +/optc +322 drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hwseq.c
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 314
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 315 void dcn30_enable_writeback(
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 316 struct dc *dc,
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 317 struct dc_writeback_info *wb_info,
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 318 struct dc_state *context)
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 319 {
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 320 struct dwbc *dwb;
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 321 struct mcif_wb *mcif_wb;
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 @322 struct timing_generator *optc;
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 323
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 324 dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 325 mcif_wb = dc->res_pool->mcif_wb[wb_info->dwb_pipe_inst];
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 326
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 327 /* set the OPTC source mux */
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 328 optc = dc->res_pool->timing_generators[dwb->otg_inst];
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 329 DC_LOG_DWB("%s dwb_pipe_inst = %d, mpcc_inst = %d",\
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 330 __func__, wb_info->dwb_pipe_inst,\
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 331 wb_info->mpcc_inst);
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 332 if (IS_DIAG_DC(dc->ctx->dce_environment)) {
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 333 /*till diags switch to warmup interface*/
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 334 dcn30_mmhubbub_warmup(dc, 1, wb_info);
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 335 }
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 336 /* Update writeback pipe */
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 337 dcn30_set_writeback(dc, wb_info, context);
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 338
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 339 /* Enable MCIF_WB */
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 340 mcif_wb->funcs->enable_mcif(mcif_wb);
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 341 /* Enable DWB */
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 342 dwb->funcs->enable(dwb, &wb_info->dwb_params);
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 343 }
d99f13878d6f9c2 Bhawanpreet Lakha 2020-05-21 344
:::::: The code at line 322 was first introduced by commit
:::::: d99f13878d6f9c286b13860d8bf0b4db9ffb189a drm/amd/display: Add DCN3 HWSEQ
:::::: TO: Bhawanpreet Lakha <Bhawanpreet.Lakha@....com>
:::::: CC: Alex Deucher <alexander.deucher@....com>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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