drm/amd/display: Disable pipe split.

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c

@@ -443,7 +443,7 @@ static const struct dc_debug debug_defaults_drv = {
 		.disable_pplib_wm_range = false,
 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
 		.use_dml_wm = false,
-		.disable_pipe_split = false
+		.disable_pipe_split = true
 #endif
 };