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Date: Mon, 21 Feb 2022 11:54:38 +0800
From: kernel test robot <lkp@...el.com>
To: Qingqing Zhuo <qingqing.zhuo@....com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Alex Deucher <alexander.deucher@....com>
Subject: [agd5f:drm-next 100/114]
drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn315/dcn315_smu.c:126:5:
warning: no previous prototype for 'dcn315_smu_send_msg_with_param'
tree: https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head: ad72a74cfe7edab15aef40519727a388285e7510
commit: f9490399614050a47472ff127c67830cb4e311f4 [100/114] drm/amd/display: Add DCN315 CLK_MGR
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220221/202202211133.HYWcMRIV-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git
git fetch --no-tags agd5f drm-next
git checkout f9490399614050a47472ff127c67830cb4e311f4
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn315/dcn315_smu.c:126:5: warning: no previous prototype for 'dcn315_smu_send_msg_with_param' [-Wmissing-prototypes]
126 | int dcn315_smu_send_msg_with_param(
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn315/dcn315_smu.c:184:5: warning: no previous prototype for 'dcn315_smu_set_voltage_via_phyclk' [-Wmissing-prototypes]
184 | int dcn315_smu_set_voltage_via_phyclk(struct clk_mgr_internal *clk_mgr, int requested_phyclk_khz)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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/dcn315/dcn315_smu.c:26:
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:127:22: warning: 'SYNAPTICS_DEVICE_ID' defined but not used [-Wunused-const-variable=]
127 | static const uint8_t SYNAPTICS_DEVICE_ID[] = "SYNA";
| ^~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:124:22: warning: 'DP_SINK_DEVICE_STR_ID_2' defined but not used [-Wunused-const-variable=]
124 | static const uint8_t DP_SINK_DEVICE_STR_ID_2[] = {7, 1, 8, 7, 5, 0};
| ^~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:123:22: warning: 'DP_SINK_DEVICE_STR_ID_1' defined but not used [-Wunused-const-variable=]
123 | static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3, 0};
| ^~~~~~~~~~~~~~~~~~~~~~~
--
In file included from drivers/gpu/drm/amd/amdgpu/../display/dmub/dmub_srv.h:67,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.h:30,
from drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c:42:
drivers/gpu/drm/amd/amdgpu/../display/dmub/inc/dmub_cmd.h: In function 'dmub_rb_flush_pending':
drivers/gpu/drm/amd/amdgpu/../display/dmub/inc/dmub_cmd.h:2921:12: warning: variable 'temp' set but not used [-Wunused-but-set-variable]
2921 | uint64_t temp;
| ^~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c: At top level:
>> drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c:436:6: warning: no previous prototype for 'dcn315_clk_mgr_helper_populate_bw_params' [-Wmissing-prototypes]
436 | void dcn315_clk_mgr_helper_populate_bw_params(
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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/dcn315/dcn315_clk_mgr.c:29:
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:127:22: warning: 'SYNAPTICS_DEVICE_ID' defined but not used [-Wunused-const-variable=]
127 | static const uint8_t SYNAPTICS_DEVICE_ID[] = "SYNA";
| ^~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:124:22: warning: 'DP_SINK_DEVICE_STR_ID_2' defined but not used [-Wunused-const-variable=]
124 | static const uint8_t DP_SINK_DEVICE_STR_ID_2[] = {7, 1, 8, 7, 5, 0};
| ^~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:123:22: warning: 'DP_SINK_DEVICE_STR_ID_1' defined but not used [-Wunused-const-variable=]
123 | static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3, 0};
| ^~~~~~~~~~~~~~~~~~~~~~~
vim +/dcn315_smu_send_msg_with_param +126 drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn315/dcn315_smu.c
125
> 126 int dcn315_smu_send_msg_with_param(
127 struct clk_mgr_internal *clk_mgr,
128 unsigned int msg_id, unsigned int param)
129 {
130 uint32_t result;
131
132 result = dcn315_smu_wait_for_response(clk_mgr, 10, 200000);
133 ASSERT(result == VBIOSSMC_Result_OK);
134
135 if (result == VBIOSSMC_Status_BUSY) {
136 return -1;
137 }
138
139 /* First clear response register */
140 REG_WRITE(MP1_SMN_C2PMSG_38, VBIOSSMC_Status_BUSY);
141
142 /* Set the parameter register for the SMU message, unit is Mhz */
143 REG_WRITE(MP1_SMN_C2PMSG_37, param);
144
145 /* Trigger the message transaction by writing the message ID */
146 generic_write_indirect_reg(CTX,
147 REG_NBIO(RSMU_INDEX), REG_NBIO(RSMU_DATA),
148 mmMP1_C2PMSG_3, msg_id);
149
150 result = dcn315_smu_wait_for_response(clk_mgr, 10, 200000);
151
152 if (result == VBIOSSMC_Status_BUSY) {
153 ASSERT(0);
154 dm_helpers_smu_timeout(CTX, msg_id, param, 10 * 200000);
155 }
156
157 return REG_READ(MP1_SMN_C2PMSG_37);
158 }
159
160 int dcn315_smu_get_smu_version(struct clk_mgr_internal *clk_mgr)
161 {
162 return dcn315_smu_send_msg_with_param(
163 clk_mgr,
164 VBIOSSMC_MSG_GetPmfwVersion,
165 0);
166 }
167
168
169 int dcn315_smu_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_dispclk_khz)
170 {
171 int actual_dispclk_set_mhz = -1;
172
173 if (!clk_mgr->smu_present)
174 return requested_dispclk_khz;
175
176 /* Unit of SMU msg parameter is Mhz */
177 actual_dispclk_set_mhz = dcn315_smu_send_msg_with_param(
178 clk_mgr,
179 VBIOSSMC_MSG_SetDispclkFreq,
180 khz_to_mhz_ceil(requested_dispclk_khz));
181
182 return actual_dispclk_set_mhz * 1000;
183 }
> 184 int dcn315_smu_set_voltage_via_phyclk(struct clk_mgr_internal *clk_mgr, int requested_phyclk_khz)
185 {
186 int actual_phypclk_set_mhz = -1;
187
188 if (!clk_mgr->smu_present && requested_phyclk_khz)
189 return requested_phyclk_khz;
190
191 /* Unit of SMU msg parameter is Mhz */
192 actual_phypclk_set_mhz = dcn315_smu_send_msg_with_param(
193 clk_mgr,
194 VBIOSSMC_MSG_SetPhyclkVoltageByFreq,
195 khz_to_mhz_ceil(requested_phyclk_khz));
196
197 return actual_phypclk_set_mhz * 1000;
198 }
199
---
0-DAY CI Kernel Test Service, Intel Corporation
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