Compiling AMD GPU drivers displays a warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_optc.c:294:6: warning: no previous prototype for ‘optc3_wait_drr_doublebuffer_pending_clear’ [-Wmissing-prototypes] Get rid of it by adding a function prototype 'optc3_wait_drr_doublebuffer_pending_clear(struct timing_generator *optc)' on drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h Signed-off-by: Caio Novais <caionovais@xxxxxx> --- drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h index fb06dc9a4893..2e3ba6e2f336 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h @@ -331,6 +331,8 @@ void optc3_lock_doublebuffer_enable(struct timing_generator *optc); void optc3_lock_doublebuffer_disable(struct timing_generator *optc); +void optc3_wait_drr_doublebuffer_pending_clear(struct timing_generator *optc); + void optc3_set_drr_trigger_window(struct timing_generator *optc, uint32_t window_start, uint32_t window_end); -- 2.40.0