From: Vitaly Prosyak <vitaly.prosyak@amd.com>
Date: Fri, 25 May 2018 08:37:36 -0500
Subject: drm/amd/display: Add new transfer type HWPWL
Git-commit: 74167ad60c04c45e991af59ee5c7f62aff5c4c38
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

It is used when curve register settings are generated
by 'matlab', i.e. bypass color module calculation.

Signed-off-by: Vitaly Prosyak <vitaly.prosyak@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/dc.h |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -358,6 +358,7 @@ enum dc_transfer_func_type {
 	TF_TYPE_PREDEFINED,
 	TF_TYPE_DISTRIBUTED_POINTS,
 	TF_TYPE_BYPASS,
+	TF_TYPE_HWPWL
 };
 
 struct dc_transfer_func_distributed_points {
@@ -383,12 +384,15 @@ enum dc_transfer_func_predefined {
 
 struct dc_transfer_func {
 	struct kref refcount;
-	struct dc_transfer_func_distributed_points tf_pts;
 	enum dc_transfer_func_type type;
 	enum dc_transfer_func_predefined tf;
 	/* FP16 1.0 reference level in nits, default is 80 nits, only for PQ*/
 	uint32_t sdr_ref_white_level;
 	struct dc_context *ctx;
+	union {
+		struct pwl_params pwl;
+		struct dc_transfer_func_distributed_points tf_pts;
+	};
 };
 
 /*