[PATCH 17/20] drm/amd/display: Send PQ bit in AMD VSIF

[Alex Hung]

From: Krunoslav Kovac <krunoslav.kovac at amd.com>

[WHY & HOW]
PB9 bit 5 was added to signal PQ EOTF in AMD vendor specific infoframe.
This change sets it when appropriate.

Reviewed-by: Aric Cyr <aric.cyr at amd.com>
Acked-by: Alex Hung <alex.hung at amd.com>
Signed-off-by: Krunoslav Kovac <krunoslav.kovac at amd.com>
---
 drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index ccecddafeb05..47296d155c3a 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -693,10 +693,12 @@ static void build_vrr_infopacket_fs2_data(enum color_transfer_func app_tf,
 	if (app_tf != TRANSFER_FUNC_UNKNOWN) {
 		infopacket->valid = true;
 
-		if (app_tf != TRANSFER_FUNC_PQ2084) {
+		if (app_tf == TRANSFER_FUNC_PQ2084)
+			infopacket->sb[9] |= 0x20; // PB9 = [Bit 5 = PQ EOTF Active]
+		else {
 			infopacket->sb[6] |= 0x08;  // PB6 = [Bit 3 = Native Color Active]
 			if (app_tf == TRANSFER_FUNC_GAMMA_22)
-				infopacket->sb[9] |= 0x04;  // PB6 = [Bit 2 = Gamma 2.2 EOTF Active]
+				infopacket->sb[9] |= 0x04;  // PB9 = [Bit 2 = Gamma 2.2 EOTF Active]
 		}
 	}
 }
-- 
2.42.0