This symbol is not used outside of amdgpu_dm_mst_types.c, so marks it static. drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:211:6: warning: no previous prototype for ‘is_synaptics_cascaded_panamera’. Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4548 Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 6378352346c8..994ba426ca66 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -208,7 +208,7 @@ bool needs_dsc_aux_workaround(struct dc_link *link) return false; } -bool is_synaptics_cascaded_panamera(struct dc_link *link, struct drm_dp_mst_port *port) +static bool is_synaptics_cascaded_panamera(struct dc_link *link, struct drm_dp_mst_port *port) { u8 branch_vendor_data[4] = { 0 }; // Vendor data 0x50C ~ 0x50F -- 2.20.1.7.g153144c