From: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Date: Wed, 10 Jan 2018 17:40:32 -0500
Subject: drm/amd/display: Force full update on pixel_format_change
Git-commit: a771c1f2892139e39416ed1fd272f8834f3ec658
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@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 |    1 +
 drivers/gpu/drm/amd/display/dc/dc.h      |    2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1105,6 +1105,7 @@ static enum surface_update_type get_plan
 
 	if (update_flags->bits.rotation_change
 			|| update_flags->bits.stereo_format_change
+			|| update_flags->bits.pixel_format_change
 			|| update_flags->bits.gamma_change
 			|| update_flags->bits.bpp_change
 			|| update_flags->bits.bandwidth_change
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -213,6 +213,7 @@ struct dc_debug {
 	bool vsr_support;
 	bool performance_trace;
 	bool az_endpoint_mute_only;
+	bool always_use_regamma;
 };
 struct dc_state;
 struct resource_pool;
@@ -495,7 +496,6 @@ struct dc_surface_update {
 	/* following updates require alloc/sleep/spin that is not isr safe,
 	 * null means no updates
 	 */
-	/* gamma TO BE REMOVED */
 	struct dc_gamma *gamma;
 	enum color_transfer_func color_input_tf;
 	struct dc_transfer_func *in_transfer_func;