drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_clock_source.c:1113:25: warning: variable 'clk_src' set but not used

From: kernel test robot
Date: Fri Nov 19 2021 - 02:01:53 EST

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Hi Alex,

First bad commit (maybe != root cause):

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e26dd976580a6a427c69e6116508dd3d412742e5
commit: 20f2ffe504728612d7b0c34e4f8280e34251e704 drm/amdgpu: fold CONFIG_DRM_AMD_DC_DCN3* into CONFIG_DRM_AMD_DC_DCN (v3)
date: 1 year ago
config: x86_64-randconfig-m001-20211109 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
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 attached .config to linux build tree
make W=1 ARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c:96:6: warning: no previous prototype for 'vg_update_clocks' [-Wmissing-prototypes]
96 | void vg_update_clocks(struct clk_mgr *clk_mgr_base,
| ^~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c:375:6: warning: no previous prototype for 'vg_get_clk_states' [-Wmissing-prototypes]
375 | void vg_get_clk_states(struct clk_mgr *clk_mgr_base, struct clk_states *s)
| ^~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c:393:6: warning: no previous prototype for 'vg_init_clocks' [-Wmissing-prototypes]
393 | void vg_init_clocks(struct clk_mgr *clk_mgr)
| ^~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c:43:
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:218:29: warning: 'VCN_BASE' defined but not used [-Wunused-const-variable=]
218 | static const struct IP_BASE VCN_BASE = { { { { 0x00007800, 0x00007E00, 0x02403000, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:210:29: warning: 'USB_BASE' defined but not used [-Wunused-const-variable=]
210 | static const struct IP_BASE USB_BASE = { { { { 0x0242A800, 0x05B00000, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:202:29: warning: 'UMC_BASE' defined but not used [-Wunused-const-variable=]
202 | static const struct IP_BASE UMC_BASE = { { { { 0x00014000, 0x02425800, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:194:29: warning: 'THM_BASE' defined but not used [-Wunused-const-variable=]
194 | static const struct IP_BASE THM_BASE = { { { { 0x00016600, 0x02400C00, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:186:29: warning: 'SMUIO_BASE' defined but not used [-Wunused-const-variable=]
186 | static const struct IP_BASE SMUIO_BASE = { { { { 0x00016800, 0x00016A00, 0x02401000, 0x00440000, 0, 0 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:178:29: warning: 'PCIE0_BASE' defined but not used [-Wunused-const-variable=]
178 | static const struct IP_BASE PCIE0_BASE = { { { { 0x00000000, 0x00000014, 0x00000D20, 0x00010400, 0x0241B000, 0x04040000 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:170:29: warning: 'OSSSYS_BASE' defined but not used [-Wunused-const-variable=]
170 | static const struct IP_BASE OSSSYS_BASE = { { { { 0x000010A0, 0x0240A000, 0, 0, 0, 0 } },
| ^~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:162:29: warning: 'NBIO_BASE' defined but not used [-Wunused-const-variable=]
162 | static const struct IP_BASE NBIO_BASE = { { { { 0x00000000, 0x00000014, 0x00000D20, 0x00010400, 0x0241B000, 0x04040000 } },
| ^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:154:29: warning: 'MP2_BASE' defined but not used [-Wunused-const-variable=]
154 | static const struct IP_BASE MP2_BASE = { { { { 0x00016400, 0x02400800, 0x00F40000, 0x00F80000, 0x00FC0000, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:146:29: warning: 'MP1_BASE' defined but not used [-Wunused-const-variable=]
146 | static const struct IP_BASE MP1_BASE = { { { { 0x00016000, 0x0243FC00, 0x00DC0000, 0x00E00000, 0x00E40000, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:138:29: warning: 'MP0_BASE' defined but not used [-Wunused-const-variable=]
138 | static const struct IP_BASE MP0_BASE = { { { { 0x00016000, 0x0243FC00, 0x00DC0000, 0x00E00000, 0x00E40000, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:130:29: warning: 'MMHUB_BASE' defined but not used [-Wunused-const-variable=]
130 | static const struct IP_BASE MMHUB_BASE = { { { { 0x00013200, 0x0001A000, 0x02408800, 0, 0, 0 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:122:29: warning: 'ISP_BASE' defined but not used [-Wunused-const-variable=]
122 | static const struct IP_BASE ISP_BASE = { { { { 0x00018000, 0x0240B000, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:114:29: warning: 'HDP_BASE' defined but not used [-Wunused-const-variable=]
114 | static const struct IP_BASE HDP_BASE = { { { { 0x00000F20, 0x0240A400, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:106:29: warning: 'GC_BASE' defined but not used [-Wunused-const-variable=]
106 | static const struct IP_BASE GC_BASE = { { { { 0x00001260, 0x0000A000, 0x02402C00, 0, 0, 0 } },
| ^~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:98:29: warning: 'FUSE_BASE' defined but not used [-Wunused-const-variable=]
98 | static const struct IP_BASE FUSE_BASE = { { { { 0x00017400, 0x02401400, 0, 0, 0, 0 } },
| ^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:90:29: warning: 'FCH_BASE' defined but not used [-Wunused-const-variable=]
90 | static const struct IP_BASE FCH_BASE = { { { { 0x0240C000, 0x00B40000, 0x11000000, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:82:29: warning: 'DPCS_BASE' defined but not used [-Wunused-const-variable=]
82 | static const struct IP_BASE DPCS_BASE = { { { { 0x00000012, 0x000000C0, 0x000034C0, 0x00009000, 0x02403C00, 0 } },
| ^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:74:29: warning: 'DCN_BASE' defined but not used [-Wunused-const-variable=]
74 | static const struct IP_BASE DCN_BASE = { { { { 0x00000012, 0x000000C0, 0x000034C0, 0x00009000, 0x02403C00, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:66:29: warning: 'DF_BASE' defined but not used [-Wunused-const-variable=]
66 | static const struct IP_BASE DF_BASE = { { { { 0x00007000, 0x0240B800, 0, 0, 0, 0 } },
| ^~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:50:29: warning: 'ATHUB_BASE' defined but not used [-Wunused-const-variable=]
50 | static const struct IP_BASE ATHUB_BASE = { { { { 0x00000C00, 0x00013300, 0x02408C00, 0, 0, 0 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:42:29: warning: 'ACP_BASE' defined but not used [-Wunused-const-variable=]
42 | static const struct IP_BASE ACP_BASE = { { { { 0x02403800, 0x00480000, 0, 0, 0, 0 } },
| ^~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:86,
from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/resource.h:28,
from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/hw/clk_mgr_internal.h:36,
from drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c:27:
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/inc/resource.h:28,
from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/hw/clk_mgr_internal.h:36,
from drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c:27:
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/inc/hw/dccg.h:29,
from drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c:26:
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/dc/clk_mgr/dcn301/dcn301_smu.c:91:5: warning: no previous prototype for 'dcn301_smu_send_msg_with_param' [-Wmissing-prototypes]
91 | int dcn301_smu_send_msg_with_param(
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/dcn301_smu.c:33:
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:218:29: warning: 'VCN_BASE' defined but not used [-Wunused-const-variable=]
218 | static const struct IP_BASE VCN_BASE = { { { { 0x00007800, 0x00007E00, 0x02403000, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:210:29: warning: 'USB_BASE' defined but not used [-Wunused-const-variable=]
210 | static const struct IP_BASE USB_BASE = { { { { 0x0242A800, 0x05B00000, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:202:29: warning: 'UMC_BASE' defined but not used [-Wunused-const-variable=]
202 | static const struct IP_BASE UMC_BASE = { { { { 0x00014000, 0x02425800, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:194:29: warning: 'THM_BASE' defined but not used [-Wunused-const-variable=]
194 | static const struct IP_BASE THM_BASE = { { { { 0x00016600, 0x02400C00, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:186:29: warning: 'SMUIO_BASE' defined but not used [-Wunused-const-variable=]
186 | static const struct IP_BASE SMUIO_BASE = { { { { 0x00016800, 0x00016A00, 0x02401000, 0x00440000, 0, 0 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:178:29: warning: 'PCIE0_BASE' defined but not used [-Wunused-const-variable=]
178 | static const struct IP_BASE PCIE0_BASE = { { { { 0x00000000, 0x00000014, 0x00000D20, 0x00010400, 0x0241B000, 0x04040000 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:170:29: warning: 'OSSSYS_BASE' defined but not used [-Wunused-const-variable=]
170 | static const struct IP_BASE OSSSYS_BASE = { { { { 0x000010A0, 0x0240A000, 0, 0, 0, 0 } },
| ^~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:162:29: warning: 'NBIO_BASE' defined but not used [-Wunused-const-variable=]
162 | static const struct IP_BASE NBIO_BASE = { { { { 0x00000000, 0x00000014, 0x00000D20, 0x00010400, 0x0241B000, 0x04040000 } },
| ^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:154:29: warning: 'MP2_BASE' defined but not used [-Wunused-const-variable=]
154 | static const struct IP_BASE MP2_BASE = { { { { 0x00016400, 0x02400800, 0x00F40000, 0x00F80000, 0x00FC0000, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:146:29: warning: 'MP1_BASE' defined but not used [-Wunused-const-variable=]
146 | static const struct IP_BASE MP1_BASE = { { { { 0x00016000, 0x0243FC00, 0x00DC0000, 0x00E00000, 0x00E40000, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:130:29: warning: 'MMHUB_BASE' defined but not used [-Wunused-const-variable=]
130 | static const struct IP_BASE MMHUB_BASE = { { { { 0x00013200, 0x0001A000, 0x02408800, 0, 0, 0 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:122:29: warning: 'ISP_BASE' defined but not used [-Wunused-const-variable=]
122 | static const struct IP_BASE ISP_BASE = { { { { 0x00018000, 0x0240B000, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:114:29: warning: 'HDP_BASE' defined but not used [-Wunused-const-variable=]
114 | static const struct IP_BASE HDP_BASE = { { { { 0x00000F20, 0x0240A400, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:106:29: warning: 'GC_BASE' defined but not used [-Wunused-const-variable=]
106 | static const struct IP_BASE GC_BASE = { { { { 0x00001260, 0x0000A000, 0x02402C00, 0, 0, 0 } },
| ^~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:98:29: warning: 'FUSE_BASE' defined but not used [-Wunused-const-variable=]
98 | static const struct IP_BASE FUSE_BASE = { { { { 0x00017400, 0x02401400, 0, 0, 0, 0 } },
| ^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:90:29: warning: 'FCH_BASE' defined but not used [-Wunused-const-variable=]
90 | static const struct IP_BASE FCH_BASE = { { { { 0x0240C000, 0x00B40000, 0x11000000, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:82:29: warning: 'DPCS_BASE' defined but not used [-Wunused-const-variable=]
82 | static const struct IP_BASE DPCS_BASE = { { { { 0x00000012, 0x000000C0, 0x000034C0, 0x00009000, 0x02403C00, 0 } },
| ^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:74:29: warning: 'DCN_BASE' defined but not used [-Wunused-const-variable=]
74 | static const struct IP_BASE DCN_BASE = { { { { 0x00000012, 0x000000C0, 0x000034C0, 0x00009000, 0x02403C00, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:66:29: warning: 'DF_BASE' defined but not used [-Wunused-const-variable=]
66 | static const struct IP_BASE DF_BASE = { { { { 0x00007000, 0x0240B800, 0, 0, 0, 0 } },
| ^~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:58:29: warning: 'CLK_BASE' defined but not used [-Wunused-const-variable=]
58 | static const struct IP_BASE CLK_BASE = { { { { 0x00016C00, 0x02401800, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:50:29: warning: 'ATHUB_BASE' defined but not used [-Wunused-const-variable=]
50 | static const struct IP_BASE ATHUB_BASE = { { { { 0x00000C00, 0x00013300, 0x02408C00, 0, 0, 0 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/vangogh_ip_offset.h:42:29: warning: 'ACP_BASE' defined but not used [-Wunused-const-variable=]
42 | static const struct IP_BASE ACP_BASE = { { { { 0x02403800, 0x00480000, 0, 0, 0, 0 } },
| ^~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:86,
from drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/dcn301_smu.c:26:
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/clk_mgr/dcn301/dcn301_smu.c:26:
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/dc.h:29,
from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:29,
from drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/dcn301_smu.c:26:
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/dc/dce/dce_clock_source.c: In function 'dcn3_get_pix_clk_dividers':
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_clock_source.c:1113:25: warning: variable 'clk_src' set but not used [-Wunused-but-set-variable]
1113 | struct dce110_clk_src *clk_src;
| ^~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:86,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_clock_source.c:32:
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/dce/dce_clock_source.c:32:
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/dce/dce_clock_source.c:28:
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/irq/dcn30/irq_service_dcn30.c:50:20: warning: no previous prototype for 'to_dal_irq_source_dcn30' [-Wmissing-prototypes]
50 | enum dc_irq_source to_dal_irq_source_dcn30(
| ^~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/irq/dcn30/irq_service_dcn30.c:34:
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:193:29: warning: 'VCN_BASE' defined but not used [-Wunused-const-variable=]
193 | static const struct IP_BASE VCN_BASE = { { { { 0x00007800, 0x00007E00, 0x02403000, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:186:29: warning: 'USB0_BASE' defined but not used [-Wunused-const-variable=]
186 | static const struct IP_BASE USB0_BASE = { { { { 0x0242A800, 0x05B00000, 0, 0, 0 } },
| ^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:179:29: warning: 'UMC_BASE' defined but not used [-Wunused-const-variable=]
179 | static const struct IP_BASE UMC_BASE = { { { { 0x00014000, 0x02425800, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:172:29: warning: 'THM_BASE' defined but not used [-Wunused-const-variable=]
172 | static const struct IP_BASE THM_BASE = { { { { 0x00016600, 0x02400C00, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:165:29: warning: 'SMUIO_BASE' defined but not used [-Wunused-const-variable=]
165 | static const struct IP_BASE SMUIO_BASE = { { { { 0x00016800, 0x00016A00, 0x00440000, 0x02401000, 0 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:158:29: warning: 'SDMA1_BASE' defined but not used [-Wunused-const-variable=]
158 | static const struct IP_BASE SDMA1_BASE = { { { { 0x00001260, 0x0000A000, 0x0001C000, 0x02402C00, 0 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:151:29: warning: 'SDMA0_BASE' defined but not used [-Wunused-const-variable=]
151 | static const struct IP_BASE SDMA0_BASE = { { { { 0x00001260, 0x0000A000, 0x0001C000, 0x02402C00, 0 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:144:29: warning: 'PCIE0_BASE' defined but not used [-Wunused-const-variable=]
144 | static const struct IP_BASE PCIE0_BASE = { { { { 0x00000000, 0x00000014, 0x00000D20, 0x00010400, 0x0241B000 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:137:29: warning: 'OSSSYS_BASE' defined but not used [-Wunused-const-variable=]
137 | static const struct IP_BASE OSSSYS_BASE = { { { { 0x000010A0, 0x0240A000, 0, 0, 0 } },
| ^~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:130:29: warning: 'NBIO_BASE' defined but not used [-Wunused-const-variable=]
130 | static const struct IP_BASE NBIO_BASE = { { { { 0x00000000, 0x00000014, 0x00000D20, 0x00010400, 0x0241B000 } },
| ^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:123:29: warning: 'MP1_BASE' defined but not used [-Wunused-const-variable=]
123 | static const struct IP_BASE MP1_BASE = { { { { 0x00016000, 0x00DC0000, 0x00E00000, 0x00E40000, 0x0243FC00 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:116:29: warning: 'MP0_BASE' defined but not used [-Wunused-const-variable=]
116 | static const struct IP_BASE MP0_BASE = { { { { 0x00016000, 0x00DC0000, 0x00E00000, 0x00E40000, 0x0243FC00 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:109:29: warning: 'MMHUB_BASE' defined but not used [-Wunused-const-variable=]
109 | static const struct IP_BASE MMHUB_BASE = { { { { 0x0001A000, 0x02408800, 0, 0, 0 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:102:29: warning: 'HDP_BASE' defined but not used [-Wunused-const-variable=]
102 | static const struct IP_BASE HDP_BASE = { { { { 0x00000F20, 0x0240A400, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:95:29: warning: 'HDA_BASE' defined but not used [-Wunused-const-variable=]
95 | static const struct IP_BASE HDA_BASE = { { { { 0x004C0000, 0x02404800, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:88:29: warning: 'GC_BASE' defined but not used [-Wunused-const-variable=]
88 | static const struct IP_BASE GC_BASE = { { { { 0x00001260, 0x0000A000, 0x0001C000, 0x02402C00, 0 } },
| ^~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:81:29: warning: 'FUSE_BASE' defined but not used [-Wunused-const-variable=]
81 | static const struct IP_BASE FUSE_BASE = { { { { 0x00017400, 0x02401400, 0, 0, 0 } },
| ^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:74:29: warning: 'DPCS_BASE' defined but not used [-Wunused-const-variable=]
74 | static const struct IP_BASE DPCS_BASE = { { { { 0x00000012, 0x000000C0, 0x000034C0, 0x00009000, 0x02403C00 } },
| ^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:67:29: warning: 'DCN_BASE' defined but not used [-Wunused-const-variable=]
67 | static const struct IP_BASE DCN_BASE = { { { { 0x00000012, 0x000000C0, 0x000034C0, 0x00009000, 0x02403C00 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:60:29: warning: 'DIO_BASE' defined but not used [-Wunused-const-variable=]
60 | static const struct IP_BASE DIO_BASE = { { { { 0x02404000, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:53:29: warning: 'DF_BASE' defined but not used [-Wunused-const-variable=]
53 | static const struct IP_BASE DF_BASE = { { { { 0x00007000, 0x0240B800, 0, 0, 0 } },
| ^~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:46:29: warning: 'CLK_BASE' defined but not used [-Wunused-const-variable=]
46 | static const struct IP_BASE CLK_BASE = { { { { 0x00016C00, 0x02401800, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:39:29: warning: 'ATHUB_BASE' defined but not used [-Wunused-const-variable=]
39 | static const struct IP_BASE ATHUB_BASE = { { { { 0x00000C00, 0x02408C00, 0, 0, 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/dc/irq/dcn30/irq_service_dcn30.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 };
| ^~~~~~~~~~~
..

vim +/clk_src +1113 drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_clock_source.c

4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1106
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1107 static uint32_t dcn3_get_pix_clk_dividers(
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1108 struct clock_source *cs,
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1109 struct pixel_clk_params *pix_clk_params,
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1110 struct pll_settings *pll_settings)
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1111 {
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1112 unsigned long long actual_pix_clk_100Hz = pix_clk_params->requested_pix_clk_100hz;
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 @1113 struct dce110_clk_src *clk_src;
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1114
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1115 clk_src = TO_DCE110_CLK_SRC(cs);
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1116 DC_LOGGER_INIT();
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1117
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1118 if (pix_clk_params == NULL || pll_settings == NULL
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1119 || pix_clk_params->requested_pix_clk_100hz == 0) {
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1120 DC_LOG_ERROR(
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1121 "%s: Invalid parameters!!\n", __func__);
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1122 return -1;
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1123 }
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1124
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1125 memset(pll_settings, 0, sizeof(*pll_settings));
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1126 /* Adjust for HDMI Type A deep color */
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1127 if (pix_clk_params->signal_type == SIGNAL_TYPE_HDMI_TYPE_A) {
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1128 switch (pix_clk_params->color_depth) {
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1129 case COLOR_DEPTH_101010:
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1130 actual_pix_clk_100Hz = (actual_pix_clk_100Hz * 5) >> 2;
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1131 break;
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1132 case COLOR_DEPTH_121212:
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1133 actual_pix_clk_100Hz = (actual_pix_clk_100Hz * 6) >> 2;
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1134 break;
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1135 case COLOR_DEPTH_161616:
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1136 actual_pix_clk_100Hz = actual_pix_clk_100Hz * 2;
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1137 break;
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1138 default:
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1139 break;
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1140 }
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1141 }
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1142 pll_settings->actual_pix_clk_100hz = (unsigned int) actual_pix_clk_100Hz;
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1143 pll_settings->adjusted_pix_clk_100hz = (unsigned int) actual_pix_clk_100Hz;
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1144 pll_settings->calculated_pix_clk_100hz = (unsigned int) actual_pix_clk_100Hz;
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1145
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1146 return 0;
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1147 }
4d55b0dd1cdd853 Bhawanpreet Lakha 2020-05-21 1148

:::::: The code at line 1113 was first introduced by commit
:::::: 4d55b0dd1cdd8535ffd6057f210465575117d807 drm/amd/display: Add DCN3 CLK_MGR

:::::: TO: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx>
:::::: CC: Alex Deucher <alexander.deucher@xxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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