diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c
index b9ec243cf9ba5..a3ffb8c95d253 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c
@@ -600,8 +600,8 @@ static void CalculateBytePerPixelAndBlockSizes(
 {
 	*BytePerPixelDETY = 0;
 	*BytePerPixelDETC = 0;
-	*BytePerPixelY = 0;
-	*BytePerPixelC = 0;
+	*BytePerPixelY = 1;
+	*BytePerPixelC = 1;
 
 	if (SourcePixelFormat == dml2_444_64) {
 		*BytePerPixelDETY = 8;