Ejemplo n.º 1
0
static void dce110_stream_encoder_update_dp_info_packets(
	struct stream_encoder *enc,
	const struct encoder_info_frame *info_frame)
{
	struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
	uint32_t value = 0;

	if (info_frame->vsc.valid)
		dce110_update_generic_info_packet(
					enc110,
					0,  /* packetIndex */
					&info_frame->vsc);

	if (info_frame->spd.valid)
		dce110_update_generic_info_packet(
				enc110,
				2,  /* packetIndex */
				&info_frame->spd);

	if (info_frame->hdrsmd.valid)
		dce110_update_generic_info_packet(
				enc110,
				3,  /* packetIndex */
				&info_frame->hdrsmd);

	/* enable/disable transmission of packet(s).
	*  If enabled, packet transmission begins on the next frame
	*/
	REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP0_ENABLE, info_frame->vsc.valid);
	REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP2_ENABLE, info_frame->spd.valid);
	REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP3_ENABLE, info_frame->hdrsmd.valid);

	/* This bit is the master enable bit.
	* When enabling secondary stream engine,
	* this master bit must also be set.
	* This register shared with audio info frame.
	* Therefore we need to enable master bit
	* if at least on of the fields is not 0
	*/
	value = REG_READ(DP_SEC_CNTL);
	if (value)
		REG_UPDATE(DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
}
Ejemplo n.º 2
0
static void dce110_update_hdmi_info_packet(
	struct dce110_stream_encoder *enc110,
	uint32_t packet_index,
	const struct encoder_info_packet *info_packet)
{
	struct dc_context *ctx = enc110->base.ctx;
	uint32_t cont, send, line;

	if (info_packet->valid) {
		dce110_update_generic_info_packet(
			enc110,
			packet_index,
			info_packet);

		/* enable transmission of packet(s) -
		 * packet transmission begins on the next frame */
		cont = 1;
		/* send packet(s) every frame */
		send = 1;
		/* select line number to send packets on */
		line = 2;
	} else {
		cont = 0;
		send = 0;
		line = 0;
	}

	/* choose which generic packet control to use */
	switch (packet_index) {
	case 0:
		REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL0,
				HDMI_GENERIC0_CONT, cont,
				HDMI_GENERIC0_SEND, send,
				HDMI_GENERIC0_LINE, line);
		break;
	case 1:
		REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL0,
				HDMI_GENERIC1_CONT, cont,
				HDMI_GENERIC1_SEND, send,
				HDMI_GENERIC1_LINE, line);
		break;
	case 2:
		REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL1,
				HDMI_GENERIC0_CONT, cont,
				HDMI_GENERIC0_SEND, send,
				HDMI_GENERIC0_LINE, line);
		break;
	case 3:
		REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL1,
				HDMI_GENERIC1_CONT, cont,
				HDMI_GENERIC1_SEND, send,
				HDMI_GENERIC1_LINE, line);
		break;
#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
	case 4:
		if (REG(HDMI_GENERIC_PACKET_CONTROL2))
			REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL2,
					HDMI_GENERIC0_CONT, cont,
					HDMI_GENERIC0_SEND, send,
					HDMI_GENERIC0_LINE, line);
		break;
	case 5:
		if (REG(HDMI_GENERIC_PACKET_CONTROL2))
			REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL2,
					HDMI_GENERIC1_CONT, cont,
					HDMI_GENERIC1_SEND, send,
					HDMI_GENERIC1_LINE, line);
		break;
	case 6:
		if (REG(HDMI_GENERIC_PACKET_CONTROL3))
			REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL3,
					HDMI_GENERIC0_CONT, cont,
					HDMI_GENERIC0_SEND, send,
					HDMI_GENERIC0_LINE, line);
		break;
	case 7:
		if (REG(HDMI_GENERIC_PACKET_CONTROL3))
			REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL3,
					HDMI_GENERIC1_CONT, cont,
					HDMI_GENERIC1_SEND, send,
					HDMI_GENERIC1_LINE, line);
		break;
#endif
	default:
		/* invalid HW packet index */
		dm_logger_write(
			ctx->logger, LOG_WARNING,
			"Invalid HW packet index: %s()\n",
			__func__);
		return;
	}
}