From: Mike Hsieh <Mike.Hsieh@amd.com>
Date: Tue, 4 Oct 2022 06:58:07 +0000 (+0800)
Subject: drm/amd/display: Set correct EOTF and Gamut flag in VRR info
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=52b5432cd70a2d6d998cb9b48378c37d5bb31e12;p=linux.git

drm/amd/display: Set correct EOTF and Gamut flag in VRR info

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

Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Mike Hsieh <Mike.Hsieh@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index 0f39ab9dc5b41..c2e00f7b8381e 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]
 		}
 	}
 }