[PATCH 19/22] drm/amd/display: Set correct EOTF and Gamut flag in VRR info

Alan Liu HaoPing.Liu at amd.com
Wed Nov 2 16:01:14 UTC 2022


From: Mike Hsieh <Mike.Hsieh at amd.com>

[Why] FreeSync always use G2.2 EOTF and Native gamut
[How] Set EOTF and Gamut flags accordingly

Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac at amd.com>
Acked-by: Alan Liu <HaoPing.Liu at amd.com>
Signed-off-by: Mike Hsieh <Mike.Hsieh at amd.com>
---
 drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index 0f39ab9dc5b4..c2e00f7b8381 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -688,10 +688,10 @@ static void build_vrr_infopacket_fs2_data(enum color_transfer_func app_tf,
 	if (app_tf != TRANSFER_FUNC_UNKNOWN) {
 		infopacket->valid = true;
 
-		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]
+		if (app_tf != TRANSFER_FUNC_PQ2084) {
+			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]
 		}
 	}
 }
-- 
2.25.1



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