[agd5f:drm-next 44/63] drivers/gpu/drm/amd/amdgpu/../display/dc/dcn32/dcn32_dccg.c:180:6: warning: no previous prototype for 'dccg32_set_valid_pixel_rate'

From: kernel test robot
Date: Sat Jun 04 2022 - 10:37:45 EST


tree: https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head: 0401cdad37f8a62e64363b2a6fc16c7fafba66e2
commit: 0fa8930c48889344f93251e749deb8fa0257532d [44/63] drm/amd/display: Use DTBCLK for valid pixel clock
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220604/202206042226.yKcIBQny-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
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 0fa8930c48889344f93251e749deb8fa0257532d
# 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/

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

All warnings (new ones prefixed by >>):

drivers/gpu/drm/amd/amdgpu/../display/dc/dcn32/dcn32_dccg.c:136:6: warning: no previous prototype for 'dccg32_set_dtbclk_dto' [-Wmissing-prototypes]
136 | void dccg32_set_dtbclk_dto(
| ^~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn32/dcn32_dccg.c:180:6: warning: no previous prototype for 'dccg32_set_valid_pixel_rate' [-Wmissing-prototypes]
180 | void dccg32_set_valid_pixel_rate(
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn32/dcn32_dccg.c:205:6: warning: no previous prototype for 'dccg32_set_dpstreamclk' [-Wmissing-prototypes]
205 | void dccg32_set_dpstreamclk(
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn32/dcn32_dccg.c:241:6: warning: no previous prototype for 'dccg32_otg_add_pixel' [-Wmissing-prototypes]
241 | void dccg32_otg_add_pixel(struct dccg *dccg,
| ^~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn32/dcn32_dccg.c:250:6: warning: no previous prototype for 'dccg32_otg_drop_pixel' [-Wmissing-prototypes]
250 | void dccg32_otg_drop_pixel(struct dccg *dccg,
| ^~~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:32,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dcn32/dcn32_dccg.c:27:
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:133:22: warning: 'SYNAPTICS_DEVICE_ID' defined but not used [-Wunused-const-variable=]
133 | static const uint8_t SYNAPTICS_DEVICE_ID[] = "SYNA";
| ^~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:130:17: warning: 'DP_SINK_BRANCH_DEV_NAME_7580' defined but not used [-Wunused-const-variable=]
130 | static const u8 DP_SINK_BRANCH_DEV_NAME_7580[] = "7580\x80u";
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:128:22: warning: 'DP_SINK_DEVICE_STR_ID_2' defined but not used [-Wunused-const-variable=]
128 | 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:127:22: warning: 'DP_SINK_DEVICE_STR_ID_1' defined but not used [-Wunused-const-variable=]
127 | static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3, 0};
| ^~~~~~~~~~~~~~~~~~~~~~~


vim +/dccg32_set_valid_pixel_rate +180 drivers/gpu/drm/amd/amdgpu/../display/dc/dcn32/dcn32_dccg.c

179
> 180 void dccg32_set_valid_pixel_rate(
181 struct dccg *dccg,
182 int otg_inst,
183 int pixclk_khz)
184 {
185 struct dtbclk_dto_params dto_params = {0};
186
187 dto_params.otg_inst = otg_inst;
188 dto_params.pixclk_khz = pixclk_khz;
189
190 dccg32_set_dtbclk_dto(dccg, &dto_params);
191 }
192

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