From: Samson Tam <Samson.Tam@amd.com>
Date: Tue, 10 Dec 2024 20:32:17 +0000 (-0500)
Subject: drm/amd/display: fix init_adj offset for cositing in SPL
X-Git-Tag: v6.14-rc1~174^2~2^2~62
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=de5d7a8802eac4e22ed95d2d959907ebc4aad3ac;p=thirdparty%2Fkernel%2Flinux.git

drm/amd/display: fix init_adj offset for cositing in SPL

[Why & How]
init_adj offset is applied when cosited not interstitial
Adjust cositing offset in SPL

Reviewed-by: Jun Lei <jun.lei@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Roman Li <roman.li@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/dc/resource/dcn401/dcn401_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
index d75f8da63e10f..c6ed0b9215238 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
@@ -737,7 +737,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 			.enable_stall_recovery = true,
 		}
 	},
-	.force_cositing = CHROMA_COSITING_TOPLEFT + 1,
+	.force_cositing = CHROMA_COSITING_NONE + 1,
 };
 
 static struct dce_aux *dcn401_aux_engine_create(
diff --git a/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c b/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c
index 1306ce0321e2d..a7f36b5c53d14 100644
--- a/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c
+++ b/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c
@@ -633,20 +633,21 @@ static void spl_calculate_inits_and_viewports(struct spl_in *spl_in,
 
 		switch (spl_in->basic_in.cositing) {
 
-		case CHROMA_COSITING_LEFT:
-			init_adj_h = spl_fixpt_zero;
+		case CHROMA_COSITING_TOPLEFT:
+			init_adj_h = spl_fixpt_from_fraction(sign, 4);
 			init_adj_v = spl_fixpt_from_fraction(sign, 4);
 			break;
-		case CHROMA_COSITING_NONE:
+		case CHROMA_COSITING_LEFT:
 			init_adj_h = spl_fixpt_from_fraction(sign, 4);
-			init_adj_v = spl_fixpt_from_fraction(sign, 4);
+			init_adj_v = spl_fixpt_zero;
 			break;
-		case CHROMA_COSITING_TOPLEFT:
+		case CHROMA_COSITING_NONE:
 		default:
 			init_adj_h = spl_fixpt_zero;
 			init_adj_v = spl_fixpt_zero;
 			break;
 		}
+
 	}
 
 	spl_calculate_init_and_vp(