[PATCH 04/17] drm/amd/display: update GSP1 generic info packet for PSRSU

[David Zhang]

[why & how]
Based on PSRSU specification, every selective update frame need to use
two SDP to indicate the frame active range. So we occupy another GSP1
for PSRSU execution.

Signed-off-by: David Zhang <dingchen.zhang at amd.com>
---
 .../display/dc/dcn30/dcn30_dio_stream_encoder.c   | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c
index a04ca4a98392..e40f01b596ad 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c
@@ -419,6 +419,21 @@ static void enc3_stream_encoder_update_dp_info_packets(
 				&info_frame->vsc,
 				true);
 	}
+	/* TODO: VSC SDP at packetIndex 1 should be restricted only if PSR-SU on.
+	 * There should have another Infopacket type (e.g. vsc_psrsu) for PSR_SU.
+	 * In addition, currently the driver check the valid bit then update and
+	 * send the corresponding Infopacket. For PSR-SU, the SDP only be sent
+	 * while entering PSR-SU mode. So we need another parameter(e.g. send)
+	 * in dc_info_packet to indicate which infopacket should be enabled by
+	 * default here.
+	 */
+	if (info_frame->vsc.valid) {
+		enc->vpg->funcs->update_generic_info_packet(
+				enc->vpg,
+				1,  /* packetIndex */
+				&info_frame->vsc,
+				true);
+	}
 	if (info_frame->spd.valid) {
 		enc->vpg->funcs->update_generic_info_packet(
 				enc->vpg,
-- 
2.25.1