drm/amd/display: Check hdr support before setting.

In case of programing info frame to
some monitors don't support HDR, it will
result in black screen or corruption when
unplug monitor.
By checking hdr flag to avoid unnecessary
setting for monitors don't support HDR.

Change-Id: Ic01b8b888ab6402d6c53c37a9ab9cccd64787b0d
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc_resource.c

@@ -1742,6 +1742,9 @@ static void set_hdr_static_info_packet(
 
 	hdr_metadata = surface->public.hdr_static_ctx;
 
+	if (!hdr_metadata.is_hdr)
+		return;
+
 	if (dc_is_hdmi_signal(signal)) {
 		info_packet->valid = true;
 

drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c

@@ -555,18 +555,23 @@ static void dce110_stream_encoder_update_dp_info_packets(
 	struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
 	uint32_t value = REG_READ(DP_SEC_CNTL);
 
-	dce110_update_generic_info_packet(
+	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,
-				0,  /* packetIndex */
-				&info_frame->vsc);
-	dce110_update_generic_info_packet(
-			enc110,
-			2,  /* packetIndex */
-			&info_frame->spd);
-	dce110_update_generic_info_packet(
-			enc110,
-			3,  /* packetIndex */
-			&info_frame->hdrsmd);
+				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