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Subject[agd5f:drm-next 350/403] drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.c:273:9: warning: no previous prototype for function 'dc_dmub_srv_get_pipes_for_stream'
tree:   https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head: 51d10e1a9912e950abf19b6314f3d6f95dd16af3
commit: 00fa7f031dd4b885175da390e24cb02f6a45977e [350/403] drm/amd/display: Add basic infrastructure for enabling FAMS
config: riscv-randconfig-r006-20220707 (https://download.01.org/0day-ci/archive/20220708/202207081827.vQ4rn2g8-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 562c3467a6738aa89203f72fc1d1343e5baadf3c)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git
git fetch --no-tags agd5f drm-next
git checkout 00fa7f031dd4b885175da390e24cb02f6a45977e
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/gpu/drm/

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.c:273:9: warning: no previous prototype for function 'dc_dmub_srv_get_pipes_for_stream' [-Wmissing-prototypes]
uint8_t dc_dmub_srv_get_pipes_for_stream(struct dc *dc, struct dc_stream_state *stream)
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.c:273:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
uint8_t dc_dmub_srv_get_pipes_for_stream(struct dc *dc, struct dc_stream_state *stream)
^
static
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.c:287:5: warning: no previous prototype for function 'dc_dmub_srv_get_timing_generator_offset' [-Wmissing-prototypes]
int dc_dmub_srv_get_timing_generator_offset(struct dc *dc, struct dc_stream_state *stream)
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.c:287:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int dc_dmub_srv_get_timing_generator_offset(struct dc *dc, struct dc_stream_state *stream)
^
static
drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.c:636:6: warning: no previous prototype for function 'dc_dmub_setup_subvp_dmub_command' [-Wmissing-prototypes]
void dc_dmub_setup_subvp_dmub_command(struct dc *dc,
^
drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.c:636:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void dc_dmub_setup_subvp_dmub_command(struct dc *dc,
^
static
3 warnings generated.


vim +/dc_dmub_srv_get_pipes_for_stream +273 drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.c

272
> 273 uint8_t dc_dmub_srv_get_pipes_for_stream(struct dc *dc, struct dc_stream_state *stream)
274 {
275 uint8_t pipes = 0;
276 int i = 0;
277
278 for (i = 0; i < MAX_PIPES; i++) {
279 struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
280
281 if (pipe->stream == stream && pipe->stream_res.tg)
282 pipes = i;
283 }
284 return pipes;
285 }
286
> 287 int dc_dmub_srv_get_timing_generator_offset(struct dc *dc, struct dc_stream_state *stream)
288 {
289 int tg_inst = 0;
290 int i = 0;
291
292 for (i = 0; i < MAX_PIPES; i++) {
293 struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
294
295 if (pipe->stream == stream && pipe->stream_res.tg) {
296 tg_inst = pipe->stream_res.tg->inst;
297 break;
298 }
299 }
300 return tg_inst;
301 }
302

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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