dcn10_link_encoder_validate_dp_output 802 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c is_valid = dcn10_link_encoder_validate_dp_output( dcn10_link_encoder_validate_dp_output 424 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h bool dcn10_link_encoder_validate_dp_output(