drm/amd/display: Update FMT and OPPBUF functions

Updates to FMT and OPPBUF programming from HW team
pseudocode review.

Signed-off-by: Eric Bernstein <eric.bernstein@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>

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

@@ -462,9 +462,6 @@ static enum dc_status dcn10_prog_pixclk_crtc_otg(
 	struct dc_stream_state *stream = pipe_ctx->stream;
 	enum dc_color_space color_space;
 	struct tg_color black_color = {0};
-	bool enableStereo    = stream->timing.timing_3d_format == TIMING_3D_FORMAT_NONE ?
-			false:true;
-	bool rightEyePolarity = stream->timing.flags.RIGHT_EYE_3D_POLARITY;
 
 	/* by upper caller loop, pipe0 is parent pipe and be called first.
 	 * back end is set up by for pipe0. Other children pipe share back end
@@ -499,11 +496,6 @@ static enum dc_status dcn10_prog_pixclk_crtc_otg(
 			&stream->timing,
 			true);
 
-	pipe_ctx->stream_res.opp->funcs->opp_set_stereo_polarity(
-				pipe_ctx->stream_res.opp,
-				enableStereo,
-				rightEyePolarity);
-
 #if 0 /* move to after enable_crtc */
 	/* TODO: OPP FMT, ABM. etc. should be done here. */
 	/* or FPGA now. instance 0 only. TODO: move to opp.c */
@@ -2251,10 +2243,10 @@ static void dcn10_setup_stereo(struct pipe_ctx *pipe_ctx, struct dc *dc)
 
 	dcn10_config_stereo_parameters(stream, &flags);
 
-	pipe_ctx->stream_res.opp->funcs->opp_set_stereo_polarity(
+	pipe_ctx->stream_res.opp->funcs->opp_program_stereo(
 		pipe_ctx->stream_res.opp,
 		flags.PROGRAM_STEREO == 1 ? true:false,
-		stream->timing.flags.RIGHT_EYE_3D_POLARITY == 1 ? true:false);
+		&stream->timing);
 
 	pipe_ctx->stream_res.tg->funcs->program_stereo(
 		pipe_ctx->stream_res.tg,

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c

@@ -296,13 +296,75 @@ void opp1_program_fmt(
 	return;
 }
 
-void opp1_set_stereo_polarity(
-		struct output_pixel_processor *opp,
-		bool enable, bool rightEyePolarity)
+void opp1_program_stereo(
+	struct output_pixel_processor *opp,
+	bool enable,
+	const struct dc_crtc_timing *timing)
 {
 	struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp);
 
-	REG_UPDATE(FMT_CONTROL, FMT_STEREOSYNC_OVERRIDE, enable);
+	uint32_t active_width = timing->h_addressable - timing->h_border_right - timing->h_border_right;
+	uint32_t space1_size = timing->v_total - timing->v_addressable;
+	/* TODO: confirm computation of space2_size */
+	uint32_t space2_size = timing->v_total - timing->v_addressable;
+
+	if (!enable) {
+		active_width = 0;
+		space1_size = 0;
+		space2_size = 0;
+	}
+
+	/* TODO: for which cases should FMT_STEREOSYNC_OVERRIDE be set? */
+	REG_UPDATE(FMT_CONTROL, FMT_STEREOSYNC_OVERRIDE, 0);
+
+	REG_UPDATE(OPPBUF_CONTROL, OPPBUF_ACTIVE_WIDTH, active_width);
+
+	/* Program OPPBUF_3D_VACT_SPACE1_SIZE and OPPBUF_VACT_SPACE2_SIZE registers
+	 * In 3D progressive frames, Vactive space happens only in between the 2 frames,
+	 * so only need to program OPPBUF_3D_VACT_SPACE1_SIZE
+	 * In 3D alternative frames, left and right frames, top and bottom field.
+	 */
+	if (timing->timing_3d_format == TIMING_3D_FORMAT_FRAME_ALTERNATE)
+		REG_UPDATE(OPPBUF_3D_PARAMETERS_0, OPPBUF_3D_VACT_SPACE2_SIZE, space2_size);
+	else
+		REG_UPDATE(OPPBUF_3D_PARAMETERS_0, OPPBUF_3D_VACT_SPACE1_SIZE, space1_size);
+
+	/* TODO: Is programming of OPPBUF_DUMMY_DATA_R/G/B needed? */
+	/*
+	REG_UPDATE(OPPBUF_3D_PARAMETERS_0,
+			OPPBUF_DUMMY_DATA_R, data_r);
+	REG_UPDATE(OPPBUF_3D_PARAMETERS_1,
+			OPPBUF_DUMMY_DATA_G, data_g);
+	REG_UPDATE(OPPBUF_3D_PARAMETERS_1,
+			OPPBUF_DUMMY_DATA_B, _data_b);
+	*/
+}
+
+void opp1_program_oppbuf(
+	struct output_pixel_processor *opp,
+	struct oppbuf_params *oppbuf)
+{
+	struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp);
+
+	/* Program the oppbuf active width to be the frame width from mpc */
+	REG_UPDATE(OPPBUF_CONTROL, OPPBUF_ACTIVE_WIDTH, oppbuf->active_width);
+
+	/* Specifies the number of segments in multi-segment mode (DP-MSO operation)
+	 * description  "In 1/2/4 segment mode, specifies the horizontal active width in pixels of the display panel.
+	 * In 4 segment split left/right mode, specifies the horizontal 1/2 active width in pixels of the display panel.
+	 * Used to determine segment boundaries in multi-segment mode. Used to determine the width of the vertical active space in 3D frame packed modes.
+	 * OPPBUF_ACTIVE_WIDTH must be integer divisible by the total number of segments."
+	 */
+	REG_UPDATE(OPPBUF_CONTROL, OPPBUF_DISPLAY_SEGMENTATION, oppbuf->mso_segmentation);
+
+	/* description  "Specifies the number of overlap pixels (1-8 overlapping pixels supported), used in multi-segment mode (DP-MSO operation)" */
+	REG_UPDATE(OPPBUF_CONTROL, OPPBUF_OVERLAP_PIXEL_NUM, oppbuf->mso_overlap_pixel_num);
+
+	/* description  "Specifies the number of times a pixel is replicated (0-15 pixel replications supported).
+	 * A value of 0 disables replication. The total number of times a pixel is output is OPPBUF_PIXEL_REPETITION + 1."
+	 */
+	REG_UPDATE(OPPBUF_CONTROL, OPPBUF_PIXEL_REPETITION, oppbuf->pixel_repetition);
+
 }
 
 /*****************************************/
@@ -319,7 +381,7 @@ static struct opp_funcs dcn10_opp_funcs = {
 		.opp_set_dyn_expansion = opp1_set_dyn_expansion,
 		.opp_program_fmt = opp1_program_fmt,
 		.opp_program_bit_depth_reduction = opp1_program_bit_depth_reduction,
-		.opp_set_stereo_polarity = opp1_set_stereo_polarity,
+		.opp_program_stereo = opp1_program_stereo,
 		.opp_destroy = opp1_destroy
 };
 

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.h

@@ -41,7 +41,10 @@
 	SRI(FMT_DITHER_RAND_B_SEED, FMT, id), \
 	SRI(FMT_CLAMP_CNTL, FMT, id), \
 	SRI(FMT_DYNAMIC_EXP_CNTL, FMT, id), \
-	SRI(FMT_MAP420_MEMORY_CONTROL, FMT, id)
+	SRI(FMT_MAP420_MEMORY_CONTROL, FMT, id), \
+	SRI(OPPBUF_CONTROL, OPPBUF, id),\
+	SRI(OPPBUF_3D_PARAMETERS_0, OPPBUF, id), \
+	SRI(OPPBUF_3D_PARAMETERS_1, OPPBUF, id)
 
 #define OPP_REG_LIST_DCN10(id) \
 	OPP_REG_LIST_DCN(id)
@@ -54,7 +57,11 @@
 	uint32_t FMT_DITHER_RAND_B_SEED; \
 	uint32_t FMT_CLAMP_CNTL; \
 	uint32_t FMT_DYNAMIC_EXP_CNTL; \
-	uint32_t FMT_MAP420_MEMORY_CONTROL;
+	uint32_t FMT_MAP420_MEMORY_CONTROL; \
+	uint32_t OPPBUF_CONTROL; \
+	uint32_t OPPBUF_CONTROL1; \
+	uint32_t OPPBUF_3D_PARAMETERS_0; \
+	uint32_t OPPBUF_3D_PARAMETERS_1
 
 #define OPP_MASK_SH_LIST_DCN(mask_sh) \
 	OPP_SF(FMT0_FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, mask_sh), \
@@ -78,10 +85,16 @@
 	OPP_SF(FMT0_FMT_CLAMP_CNTL, FMT_CLAMP_COLOR_FORMAT, mask_sh), \
 	OPP_SF(FMT0_FMT_DYNAMIC_EXP_CNTL, FMT_DYNAMIC_EXP_EN, mask_sh), \
 	OPP_SF(FMT0_FMT_DYNAMIC_EXP_CNTL, FMT_DYNAMIC_EXP_MODE, mask_sh), \
-	OPP_SF(FMT0_FMT_MAP420_MEMORY_CONTROL, FMT_MAP420MEM_PWR_FORCE, mask_sh)
+	OPP_SF(FMT0_FMT_MAP420_MEMORY_CONTROL, FMT_MAP420MEM_PWR_FORCE, mask_sh), \
+	OPP_SF(OPPBUF0_OPPBUF_CONTROL, OPPBUF_ACTIVE_WIDTH, mask_sh),\
+	OPP_SF(OPPBUF0_OPPBUF_CONTROL, OPPBUF_PIXEL_REPETITION, mask_sh),\
+	OPP_SF(OPPBUF0_OPPBUF_3D_PARAMETERS_0, OPPBUF_3D_VACT_SPACE1_SIZE, mask_sh), \
+	OPP_SF(OPPBUF0_OPPBUF_3D_PARAMETERS_0, OPPBUF_3D_VACT_SPACE2_SIZE, mask_sh)
 
 #define OPP_MASK_SH_LIST_DCN10(mask_sh) \
-	OPP_MASK_SH_LIST_DCN(mask_sh)
+	OPP_MASK_SH_LIST_DCN(mask_sh), \
+	OPP_SF(OPPBUF0_OPPBUF_CONTROL, OPPBUF_DISPLAY_SEGMENTATION, mask_sh),\
+	OPP_SF(OPPBUF0_OPPBUF_CONTROL, OPPBUF_OVERLAP_PIXEL_NUM, mask_sh)
 
 #define OPP_DCN10_REG_FIELD_LIST(type) \
 	type FMT_TRUNCATE_EN; \
@@ -105,18 +118,25 @@
 	type FMT_DYNAMIC_EXP_EN; \
 	type FMT_DYNAMIC_EXP_MODE; \
 	type FMT_MAP420MEM_PWR_FORCE; \
-	type FMT_STEREOSYNC_OVERRIDE;
+	type FMT_STEREOSYNC_OVERRIDE; \
+	type OPPBUF_ACTIVE_WIDTH;\
+	type OPPBUF_PIXEL_REPETITION;\
+	type OPPBUF_DISPLAY_SEGMENTATION;\
+	type OPPBUF_OVERLAP_PIXEL_NUM;\
+	type OPPBUF_NUM_SEGMENT_PADDED_PIXELS; \
+	type OPPBUF_3D_VACT_SPACE1_SIZE; \
+	type OPPBUF_3D_VACT_SPACE2_SIZE
 
 struct dcn10_opp_registers {
-	OPP_COMMON_REG_VARIABLE_LIST
+	OPP_COMMON_REG_VARIABLE_LIST;
 };
 
 struct dcn10_opp_shift {
-	OPP_DCN10_REG_FIELD_LIST(uint8_t)
+	OPP_DCN10_REG_FIELD_LIST(uint8_t);
 };
 
 struct dcn10_opp_mask {
-	OPP_DCN10_REG_FIELD_LIST(uint32_t)
+	OPP_DCN10_REG_FIELD_LIST(uint32_t);
 };
 
 struct dcn10_opp {
@@ -151,9 +171,10 @@ void opp1_program_bit_depth_reduction(
 	struct output_pixel_processor *opp,
 	const struct bit_depth_reduction_params *params);
 
-void opp1_set_stereo_polarity(
-		struct output_pixel_processor *opp,
-		bool enable, bool rightEyePolarity);
+void opp1_program_stereo(
+	struct output_pixel_processor *opp,
+	bool enable,
+	const struct dc_crtc_timing *timing);
 
 void opp1_destroy(struct output_pixel_processor **opp);
 

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c

@@ -91,11 +91,6 @@ static void optc1_disable_stereo(struct timing_generator *optc)
 		OTG_3D_STRUCTURE_EN, 0,
 		OTG_3D_STRUCTURE_V_UPDATE_MODE, 0,
 		OTG_3D_STRUCTURE_STEREO_SEL_OVR, 0);
-
-	REG_UPDATE(OPPBUF_CONTROL,
-		OPPBUF_ACTIVE_WIDTH, 0);
-	REG_UPDATE(OPPBUF_3D_PARAMETERS_0,
-		OPPBUF_3D_VACT_SPACE1_SIZE, 0);
 }
 
 /**
@@ -1078,16 +1073,11 @@ void optc1_get_crtc_scanoutpos(
 	*v_position = position.vertical_count;
 }
 
-
-
 static void optc1_enable_stereo(struct timing_generator *optc,
 	const struct dc_crtc_timing *timing, struct crtc_stereo_flags *flags)
 {
 	struct optc *optc1 = DCN10TG_FROM_TG(optc);
 
-	uint32_t active_width = timing->h_addressable;
-	uint32_t space1_size = timing->v_total - timing->v_addressable;
-
 	if (flags) {
 		uint32_t stereo_en;
 		stereo_en = flags->FRAME_PACKED == 0 ? 1 : 0;
@@ -1114,12 +1104,6 @@ static void optc1_enable_stereo(struct timing_generator *optc,
 				OTG_3D_STRUCTURE_STEREO_SEL_OVR, flags->FRAME_PACKED);
 
 	}
-
-	REG_UPDATE(OPPBUF_CONTROL,
-		OPPBUF_ACTIVE_WIDTH, active_width);
-
-	REG_UPDATE(OPPBUF_3D_PARAMETERS_0,
-		OPPBUF_3D_VACT_SPACE1_SIZE, space1_size);
 }
 
 void optc1_program_stereo(struct timing_generator *optc,

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h

@@ -70,8 +70,6 @@
 	SRI(OPTC_INPUT_CLOCK_CONTROL, ODM, inst),\
 	SRI(OPTC_DATA_SOURCE_SELECT, ODM, inst),\
 	SRI(OPTC_INPUT_GLOBAL_CONTROL, ODM, inst),\
-	SRI(OPPBUF_CONTROL, OPPBUF, inst),\
-	SRI(OPPBUF_3D_PARAMETERS_0, OPPBUF, inst),\
 	SRI(CONTROL, VTG, inst),\
 	SRI(OTG_VERT_SYNC_CONTROL, OTG, inst),\
 	SRI(OTG_MASTER_UPDATE_MODE, OTG, inst),\
@@ -129,8 +127,6 @@ struct dcn_optc_registers {
 	uint32_t OPTC_INPUT_CLOCK_CONTROL;
 	uint32_t OPTC_DATA_SOURCE_SELECT;
 	uint32_t OPTC_INPUT_GLOBAL_CONTROL;
-	uint32_t OPPBUF_CONTROL;
-	uint32_t OPPBUF_3D_PARAMETERS_0;
 	uint32_t CONTROL;
 	uint32_t OTG_GSL_WINDOW_X;
 	uint32_t OTG_GSL_WINDOW_Y;
@@ -215,8 +211,6 @@ struct dcn_optc_registers {
 	SF(ODM0_OPTC_INPUT_CLOCK_CONTROL, OPTC_INPUT_CLK_GATE_DIS, mask_sh),\
 	SF(ODM0_OPTC_INPUT_GLOBAL_CONTROL, OPTC_UNDERFLOW_OCCURRED_STATUS, mask_sh),\
 	SF(ODM0_OPTC_INPUT_GLOBAL_CONTROL, OPTC_UNDERFLOW_CLEAR, mask_sh),\
-	SF(OPPBUF0_OPPBUF_CONTROL, OPPBUF_ACTIVE_WIDTH, mask_sh),\
-	SF(OPPBUF0_OPPBUF_3D_PARAMETERS_0, OPPBUF_3D_VACT_SPACE1_SIZE, mask_sh),\
 	SF(VTG0_CONTROL, VTG0_ENABLE, mask_sh),\
 	SF(VTG0_CONTROL, VTG0_FP2, mask_sh),\
 	SF(VTG0_CONTROL, VTG0_VCOUNT_INIT, mask_sh),\
@@ -336,8 +330,6 @@ struct dcn_optc_registers {
 	type OPTC_SEG0_SRC_SEL;\
 	type OPTC_UNDERFLOW_OCCURRED_STATUS;\
 	type OPTC_UNDERFLOW_CLEAR;\
-	type OPPBUF_ACTIVE_WIDTH;\
-	type OPPBUF_3D_VACT_SPACE1_SIZE;\
 	type VTG0_ENABLE;\
 	type VTG0_FP2;\
 	type VTG0_VCOUNT_INIT;\

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

@@ -249,6 +249,21 @@ enum ovl_csc_adjust_item {
 	OVERLAY_COLOR_TEMPERATURE
 };
 
+enum oppbuf_display_segmentation {
+	OPPBUF_DISPLAY_SEGMENTATION_1_SEGMENT = 0,
+	OPPBUF_DISPLAY_SEGMENTATION_2_SEGMENT = 1,
+	OPPBUF_DISPLAY_SEGMENTATION_4_SEGMENT = 2,
+	OPPBUF_DISPLAY_SEGMENTATION_4_SEGMENT_SPLIT_LEFT = 3,
+	OPPBUF_DISPLAY_SEGMENTATION_4_SEGMENT_SPLIT_RIGHT = 4
+};
+
+struct oppbuf_params {
+	uint32_t active_width;
+	enum oppbuf_display_segmentation mso_segmentation;
+	uint32_t mso_overlap_pixel_num;
+	uint32_t pixel_repetition;
+};
+
 struct opp_funcs {
 
 
@@ -277,10 +292,10 @@ struct opp_funcs {
 
 	void (*opp_destroy)(struct output_pixel_processor **opp);
 
-	void (*opp_set_stereo_polarity)(
-			struct output_pixel_processor *opp,
-			bool enable,
-			bool rightEyePolarity);
+	void (*opp_program_stereo)(
+		struct output_pixel_processor *opp,
+		bool enable,
+		const struct dc_crtc_timing *timing);
 
 };