From: Wyatt Wood <wyatt.wood@xxxxxxx> [Why + How] Initialize GSP1 SDP header for use in DMCUB FW. Reviewed-by: Anthony Koo <Anthony.Koo@xxxxxxx> Acked-by: Qingqing Zhuo <qingqing.zhuo@xxxxxxx> Signed-off-by: Wyatt Wood <wyatt.wood@xxxxxxx> --- .../drm/amd/display/dc/dcn10/dcn10_stream_encoder.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c index f1a08a7736ac..58ff201a54e7 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c @@ -715,6 +715,16 @@ void enc1_stream_encoder_update_dp_info_packets( 0, /* packetIndex */ &info_frame->vsc); + /* VSC SDP at packetIndex 1 is used by PSR in DMCUB FW. + * Note that the enablement of GSP1 is not done below, + * it's done in FW. + */ + if (info_frame->vsc.valid) + enc1_update_generic_info_packet( + enc1, + 1, /* packetIndex */ + &info_frame->vsc); + if (info_frame->spd.valid) enc1_update_generic_info_packet( enc1, -- 2.25.1
