drm/amd/display: Implement CM dealpha and bias interfaces

Add vtable entries for de-alpha and bias color management interfaces.
Move piece-wise transfer function registers to a helper list for future
reuse.
Signed-off-by: Gary Kattan <gary.kattan@amd.com>
Reviewed-by: Nevenko Stupar <Nevenko.Stupar@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.h

@@ -38,6 +38,22 @@
 	type exp_resion_start_segment;\
 	type field_region_linear_slope
 
+#define TF_HELPER_REG_LIST \
+	uint32_t start_cntl_b; \
+	uint32_t start_cntl_g; \
+	uint32_t start_cntl_r; \
+	uint32_t start_slope_cntl_b; \
+	uint32_t start_slope_cntl_g; \
+	uint32_t start_slope_cntl_r; \
+	uint32_t start_end_cntl1_b; \
+	uint32_t start_end_cntl2_b; \
+	uint32_t start_end_cntl1_g; \
+	uint32_t start_end_cntl2_g; \
+	uint32_t start_end_cntl1_r; \
+	uint32_t start_end_cntl2_r; \
+	uint32_t region_start; \
+	uint32_t region_end
+
 #define TF_CM_REG_FIELD_LIST(type) \
 	type csc_c11; \
 	type csc_c12
@@ -54,20 +70,7 @@ struct xfer_func_reg {
 	struct xfer_func_shift shifts;
 	struct xfer_func_mask masks;
 
-	uint32_t start_cntl_b;
-	uint32_t start_cntl_g;
-	uint32_t start_cntl_r;
-	uint32_t start_slope_cntl_b;
-	uint32_t start_slope_cntl_g;
-	uint32_t start_slope_cntl_r;
-	uint32_t start_end_cntl1_b;
-	uint32_t start_end_cntl2_b;
-	uint32_t start_end_cntl1_g;
-	uint32_t start_end_cntl2_g;
-	uint32_t start_end_cntl1_r;
-	uint32_t start_end_cntl2_r;
-	uint32_t region_start;
-	uint32_t region_end;
+	TF_HELPER_REG_LIST;
 };
 
 struct cm_color_matrix_shift {

drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h

@@ -64,7 +64,22 @@ struct dcn_dpp_state {
 	uint32_t gamut_remap_c33_c34;
 };
 
+struct CM_bias_params {
+	uint32_t cm_bias_cr_r;
+	uint32_t cm_bias_y_g;
+	uint32_t cm_bias_cb_b;
+	uint32_t cm_bias_format;
+};
+
 struct dpp_funcs {
+
+	void (*dpp_program_cm_dealpha)(struct dpp *dpp_base,
+		uint32_t enable, uint32_t additive_blending);
+
+	void (*dpp_program_cm_bias)(
+		struct dpp *dpp_base,
+		struct CM_bias_params *bias_params);
+
 	void (*dpp_read_state)(struct dpp *dpp, struct dcn_dpp_state *s);
 
 	void (*dpp_reset)(struct dpp *dpp);
@@ -155,9 +170,11 @@ struct dpp_funcs {
 			uint32_t width,
 			uint32_t height
 			);
+
 	void (*dpp_set_hdr_multiplier)(
 			struct dpp *dpp_base,
 			uint32_t multiplier);
+
 	void (*set_optional_cursor_attributes)(
 			struct dpp *dpp_base,
 			struct dpp_cursor_attributes *attr);