drm/amd/display: add Cursor Degamma logic for DCN2

[Why]
We need to have the ability to to tell us set degamma on the cursor.

[How]
Pass a flag down to register programming that tells us if the
current surface format needs cursor degamma.
Signed-off-by: Bayan Zabihiyan <bayan.zabihiyan@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dc_hw_types.h

@@ -516,7 +516,8 @@ union dc_cursor_attribute_flags {
 		uint32_t INVERT_PIXEL_DATA:1;
 		uint32_t ZERO_EXPANSION:1;
 		uint32_t MIN_MAX_INVERT:1;
-		uint32_t RESERVED:25;
+		uint32_t ENABLE_CURSOR_DEGAMMA:1;
+		uint32_t RESERVED:24;
 	} bits;
 	uint32_t value;
 };

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c

@@ -426,8 +426,9 @@ void dpp1_cnv_setup (
 
 void dpp1_set_cursor_attributes(
 		struct dpp *dpp_base,
-		enum dc_cursor_color_format color_format)
+		struct dc_cursor_attributes *cursor_attributes)
 {
+	enum dc_cursor_color_format color_format = cursor_attributes->color_format;
 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 
 	REG_UPDATE_2(CURSOR0_CONTROL,

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.h

@@ -1368,7 +1368,7 @@ enum dcn10_input_csc_select {
 
 void dpp1_set_cursor_attributes(
 		struct dpp *dpp_base,
-		enum dc_cursor_color_format color_format);
+		struct dc_cursor_attributes *cursor_attributes);
 
 void dpp1_set_cursor_position(
 		struct dpp *dpp_base,

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

@@ -2987,7 +2987,7 @@ static void dcn10_set_cursor_attribute(struct pipe_ctx *pipe_ctx)
 	pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes(
 			pipe_ctx->plane_res.hubp, attributes);
 	pipe_ctx->plane_res.dpp->funcs->set_cursor_attributes(
-		pipe_ctx->plane_res.dpp, attributes->color_format);
+		pipe_ctx->plane_res.dpp, attributes);
 }
 
 static void dcn10_set_cursor_sdr_white_level(struct pipe_ctx *pipe_ctx)

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c

@@ -342,14 +342,18 @@ void dpp2_cnv_set_alpha_keyer(
 
 void dpp2_set_cursor_attributes(
 		struct dpp *dpp_base,
-		enum dc_cursor_color_format color_format)
+		struct dc_cursor_attributes *cursor_attributes)
 {
+	enum dc_cursor_color_format color_format = cursor_attributes->color_format;
 	struct dcn20_dpp *dpp = TO_DCN20_DPP(dpp_base);
 	int cur_rom_en = 0;
 
 	if (color_format == CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA ||
-		color_format == CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA)
-		cur_rom_en = 1;
+		color_format == CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA) {
+		if (cursor_attributes->attribute_flags.bits.ENABLE_CURSOR_DEGAMMA) {
+			cur_rom_en = 1;
+		}
+	}
 
 	REG_UPDATE_3(CURSOR0_CONTROL,
 			CUR0_MODE, color_format,

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.h

@@ -676,7 +676,7 @@ void dscl2_calc_lb_num_partitions(
 
 void dpp2_set_cursor_attributes(
 		struct dpp *dpp_base,
-		enum dc_cursor_color_format color_format);
+		struct dc_cursor_attributes *cursor_attributes);
 
 void dpp2_dummy_program_input_lut(
 			struct dpp *dpp_base,

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

@@ -201,7 +201,7 @@ struct dpp_funcs {
 
 	void (*set_cursor_attributes)(
 			struct dpp *dpp_base,
-			enum dc_cursor_color_format color_format);
+			struct dc_cursor_attributes *cursor_attributes);
 
 	void (*set_cursor_position)(
 			struct dpp *dpp_base,