147 	u8 crc4;  in drm_dp_encode_sideband_msg_hdr()  local
155 	crc4 = drm_dp_msg_header_crc4(buf, (idx * 2) - 1);  in drm_dp_encode_sideband_msg_hdr()
156 	buf[idx - 1] |= (crc4 & 0xf);  in drm_dp_encode_sideband_msg_hdr()
164 	u8 crc4;  in drm_dp_decode_sideband_msg_hdr()  local
174 	crc4 = drm_dp_msg_header_crc4(buf, (len * 2) - 1);  in drm_dp_decode_sideband_msg_hdr()
176 	if ((crc4 & 0xf) != (buf[len - 1] & 0xf)) {  in drm_dp_decode_sideband_msg_hdr()
177 		DRM_DEBUG_KMS("crc4 mismatch 0x%x 0x%x\n", crc4, buf[len - 1]);  in drm_dp_decode_sideband_msg_hdr()
301 	u8 crc4;  in drm_dp_crc_sideband_chunk_req()  local
302 	crc4 = drm_dp_msg_data_crc4(msg, len);  in drm_dp_crc_sideband_chunk_req()
303 	msg[len] = crc4;  in drm_dp_crc_sideband_chunk_req()
322 	u8 crc4;  in drm_dp_sideband_msg_build()  local
365 		crc4 = drm_dp_msg_data_crc4(msg->chunk, msg->curchunk_len - 1);  in drm_dp_sideband_msg_build()