[PATCH 26/37] drm/amd/display: set active bit for desktop with VSDBv3

[Rodrigo Siqueira]

From: Dillon Varone <Dillon.Varone at amd.com>

When using freesync on desktop, need to set freesync active bit for AMD
VSDBv3 infopacket.

Reviewed-by: Martin Leung <Martin.Leung at amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
Signed-off-by: Dillon Varone <Dillon.Varone at amd.com>
---
 .../amd/display/modules/freesync/freesync.c   | 20 +++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index e61cfce9f77c..315da61ee897 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -616,7 +616,8 @@ static void build_vrr_infopacket_data_v1(const struct mod_vrr_params *vrr,
 }
 
 static void build_vrr_infopacket_data_v3(const struct mod_vrr_params *vrr,
-		struct dc_info_packet *infopacket)
+		struct dc_info_packet *infopacket,
+		bool freesync_on_desktop)
 {
 	unsigned int min_refresh;
 	unsigned int max_refresh;
@@ -649,9 +650,15 @@ static void build_vrr_infopacket_data_v3(const struct mod_vrr_params *vrr,
 		infopacket->sb[6] |= 0x02;
 
 	/* PB6 = [Bit 2 = FreeSync Active] */
-	if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
+	if (freesync_on_desktop) {
+		if (vrr->state != VRR_STATE_DISABLED &&
+			vrr->state != VRR_STATE_UNSUPPORTED)
+			infopacket->sb[6] |= 0x04;
+	} else {
+		if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
 			vrr->state == VRR_STATE_ACTIVE_FIXED)
-		infopacket->sb[6] |= 0x04;
+			infopacket->sb[6] |= 0x04;
+	}
 
 	min_refresh = (vrr->min_refresh_in_uhz + 500000) / 1000000;
 	max_refresh = (vrr->max_refresh_in_uhz + 500000) / 1000000;
@@ -902,12 +909,13 @@ static void build_vrr_infopacket_v2(enum signal_type signal,
 static void build_vrr_infopacket_v3(enum signal_type signal,
 		const struct mod_vrr_params *vrr,
 		enum color_transfer_func app_tf,
-		struct dc_info_packet *infopacket)
+		struct dc_info_packet *infopacket,
+		bool freesync_on_desktop)
 {
 	unsigned int payload_size = 0;
 
 	build_vrr_infopacket_header_v3(signal, infopacket, &payload_size);
-	build_vrr_infopacket_data_v3(vrr, infopacket);
+	build_vrr_infopacket_data_v3(vrr, infopacket, freesync_on_desktop);
 
 	build_vrr_infopacket_fs2_data(app_tf, infopacket);
 
@@ -952,7 +960,7 @@ void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync,
 
 	switch (packet_type) {
 	case PACKET_TYPE_FS_V3:
-		build_vrr_infopacket_v3(stream->signal, vrr, app_tf, infopacket);
+		build_vrr_infopacket_v3(stream->signal, vrr, app_tf, infopacket, stream->freesync_on_desktop);
 		break;
 	case PACKET_TYPE_FS_V2:
 		build_vrr_infopacket_v2(stream->signal, vrr, app_tf, infopacket, stream->freesync_on_desktop);
-- 
2.39.0