From: Tony Cheng <tony.cheng@amd.com>
Date: Fri, 23 Dec 2016 11:08:43 -0500
Subject: drm/amd/display: enable option to disable HDR related updates.
Git-commit: 649aa6f4fc40395153834ea78531e0cffd5ee49d
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Tony Cheng <tony.cheng@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1526,6 +1526,9 @@ void dc_update_surfaces_for_target(struc
 				}
 			}
 
+			if (dc->debug.disable_color_module)
+				continue;  /* skip below color updates */
+
 			if (updates[i].hdr_static_metadata) {
 				resource_build_info_frame(pipe_ctx);
 				core_dc->hwss.update_info_frame(pipe_ctx);