Commit 3a6dce77 authored by David Zhang's avatar David Zhang Committed by Alex Deucher
Browse files

drm/amd/display: update GSP1 generic info packet for PSRSU 



[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: default avatarDavid Zhang <dingchen.zhang@amd.com>
Acked-by: default avatarLeo Li <sunpeng.li@amd.com>
Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 1da5dab0

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c

+15 −0
Original line number Diff line number Diff line
@@ -419,6 +419,21 @@ 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,