drm/amd/display: Add DCN2 OPTC

Add support for programming the DCN2 OPTC (Output Timing Controller)

HW Blocks:

    +--------+
    |  OPTC  |
    +--------+
        |
        v
    +--------+       +--------+
    |  DIO   |       |  DCCG  |
    +--------+       +--------+
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -89,7 +89,6 @@
 	SRI(OTG_GLOBAL_CONTROL2, OTG, inst),\
 	SRI(OTG_TRIGA_MANUAL_TRIG, OTG, inst)
 
-
 #define TG_COMMON_REG_LIST_DCN1_0(inst) \
 	TG_COMMON_REG_LIST_DCN(inst),\
 	SRI(OTG_TEST_PATTERN_PARAMETERS, OTG, inst),\
@@ -164,6 +163,13 @@ struct dcn_optc_registers {
 	uint32_t OTG_CRC0_WINDOWB_X_CONTROL;
 	uint32_t OTG_CRC0_WINDOWB_Y_CONTROL;
 	uint32_t GSL_SOURCE_SELECT;
+#ifdef CONFIG_DRM_AMD_DC_DCN2_0
+	uint32_t DWB_SOURCE_SELECT;
+	uint32_t OTG_DSC_START_POSITION;
+	uint32_t OPTC_DATA_FORMAT_CONTROL;
+	uint32_t OPTC_BYTES_PER_PIXEL;
+	uint32_t OPTC_WIDTH_CONTROL;
+#endif
 };
 
 #define TG_COMMON_MASK_SH_LIST_DCN(mask_sh)\
@@ -442,10 +448,35 @@ struct dcn_optc_registers {
 	type MANUAL_FLOW_CONTROL;\
 	type MANUAL_FLOW_CONTROL_SEL;
 
+#ifdef CONFIG_DRM_AMD_DC_DCN2_0
+
+#define TG_REG_FIELD_LIST(type) \
+	TG_REG_FIELD_LIST_DCN1_0(type)\
+	type MASTER_UPDATE_LOCK_DB_X;\
+	type MASTER_UPDATE_LOCK_DB_Y;\
+	type MASTER_UPDATE_LOCK_DB_EN;\
+	type GLOBAL_UPDATE_LOCK_EN;\
+	type DIG_UPDATE_LOCATION;\
+	type OTG_DSC_START_POSITION_X;\
+	type OTG_DSC_START_POSITION_LINE_NUM;\
+	type OPTC_NUM_OF_INPUT_SEGMENT;\
+	type OPTC_SEG0_SRC_SEL;\
+	type OPTC_SEG1_SRC_SEL;\
+	type OPTC_MEM_SEL;\
+	type OPTC_DSC_MODE;\
+	type OPTC_DSC_BYTES_PER_PIXEL;\
+	type OPTC_DSC_SLICE_WIDTH;\
+	type OPTC_SEGMENT_WIDTH;\
+	type OPTC_DWB0_SOURCE_SELECT;\
+	type OPTC_DWB1_SOURCE_SELECT;
+
+#else
 
 #define TG_REG_FIELD_LIST(type) \
 	TG_REG_FIELD_LIST_DCN1_0(type)
 
+#endif
+
 
 struct dcn_optc_shift {
 	TG_REG_FIELD_LIST(uint8_t)

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c

+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "reg_helper.h"
+#include "dcn20_optc.h"
+#include "dc.h"
+
+#define REG(reg)\
+	optc1->tg_regs->reg
+
+#define CTX \
+	optc1->base.ctx
+
+#undef FN
+#define FN(reg_name, field_name) \
+	optc1->tg_shift->field_name, optc1->tg_mask->field_name
+
+/**
+ * Enable CRTC
+ * Enable CRTC - call ASIC Control Object to enable Timing generator.
+ */
+bool optc2_enable_crtc(struct timing_generator *optc)
+{
+	/* TODO FPGA wait for answer
+	 * OTG_MASTER_UPDATE_MODE != CRTC_MASTER_UPDATE_MODE
+	 * OTG_MASTER_UPDATE_LOCK != CRTC_MASTER_UPDATE_LOCK
+	 */
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	/* opp instance for OTG. For DCN1.0, ODM is remoed.
+	 * OPP and OPTC should 1:1 mapping
+	 */
+	REG_UPDATE(OPTC_DATA_SOURCE_SELECT,
+			OPTC_SEG0_SRC_SEL, optc->inst);
+
+	/* VTG enable first is for HW workaround */
+	REG_UPDATE(CONTROL,
+			VTG0_ENABLE, 1);
+
+	/* Enable CRTC */
+	REG_UPDATE_2(OTG_CONTROL,
+			OTG_DISABLE_POINT_CNTL, 3,
+			OTG_MASTER_EN, 1);
+
+	return true;
+}
+
+/**
+ * DRR double buffering control to select buffer point
+ * for V_TOTAL, H_TOTAL, VTOTAL_MIN, VTOTAL_MAX, VTOTAL_MIN_SEL and VTOTAL_MAX_SEL registers
+ * Options: anytime, start of frame, dp start of frame (range timing)
+ */
+void optc2_set_timing_db_mode(struct timing_generator *optc, bool enable)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	uint32_t blank_data_double_buffer_enable = enable ? 1 : 0;
+
+	REG_UPDATE(OTG_DOUBLE_BUFFER_CONTROL,
+		OTG_RANGE_TIMING_DBUF_UPDATE_MODE, blank_data_double_buffer_enable);
+}
+
+/**
+ *For the below, I'm not sure how your GSL parameters are stored in your env,
+ * so I will assume a gsl_params struct for now
+ */
+void optc2_set_gsl(struct timing_generator *optc,
+		   const struct gsl_params *params)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+/**
+ * There are (MAX_OPTC+1)/2 gsl groups available for use.
+ * In each group (assign an OTG to a group by setting OTG_GSLX_EN = 1,
+ * set one of the OTGs to be the master (OTG_GSL_MASTER_EN = 1) and the rest are slaves.
+ */
+	REG_UPDATE_5(OTG_GSL_CONTROL,
+		OTG_GSL0_EN, params->gsl0_en,
+		OTG_GSL1_EN, params->gsl1_en,
+		OTG_GSL2_EN, params->gsl2_en,
+		OTG_GSL_MASTER_EN, params->gsl_master_en,
+		OTG_GSL_MASTER_MODE, params->gsl_master_mode);
+}
+
+
+/* Use the gsl allow flip as the master update lock */
+void optc2_use_gsl_as_master_update_lock(struct timing_generator *optc,
+		   const struct gsl_params *params)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	REG_UPDATE(OTG_GSL_CONTROL,
+		OTG_MASTER_UPDATE_LOCK_GSL_EN, params->master_update_lock_gsl_en);
+}
+
+/* You can control the GSL timing by limiting GSL to a window (X,Y) */
+void optc2_set_gsl_window(struct timing_generator *optc,
+		   const struct gsl_params *params)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	REG_SET_2(OTG_GSL_WINDOW_X, 0,
+		OTG_GSL_WINDOW_START_X, params->gsl_window_start_x,
+		OTG_GSL_WINDOW_END_X, params->gsl_window_end_x);
+	REG_SET_2(OTG_GSL_WINDOW_Y, 0,
+		OTG_GSL_WINDOW_START_Y, params->gsl_window_start_y,
+		OTG_GSL_WINDOW_END_Y, params->gsl_window_end_y);
+}
+
+/**
+ * Vupdate keepout can be set to a window to block the update lock for that pipe from changing.
+ * Start offset begins with vstartup and goes for x number of clocks,
+ * end offset starts from end of vupdate to x number of clocks.
+ */
+void optc2_set_vupdate_keepout(struct timing_generator *optc,
+		   const struct vupdate_keepout_params *params)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	REG_SET_3(OTG_VUPDATE_KEEPOUT, 0,
+		MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_START_OFFSET, params->start_offset,
+		MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_END_OFFSET, params->end_offset,
+		OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, params->enable);
+}
+
+void optc2_set_gsl_source_select(
+		struct timing_generator *optc,
+		int group_idx,
+		uint32_t gsl_ready_signal)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	switch (group_idx) {
+	case 1:
+		REG_UPDATE(GSL_SOURCE_SELECT, GSL0_READY_SOURCE_SEL, gsl_ready_signal);
+		break;
+	case 2:
+		REG_UPDATE(GSL_SOURCE_SELECT, GSL1_READY_SOURCE_SEL, gsl_ready_signal);
+		break;
+	case 3:
+		REG_UPDATE(GSL_SOURCE_SELECT, GSL2_READY_SOURCE_SEL, gsl_ready_signal);
+		break;
+	default:
+		break;
+	}
+}
+
+
+/**
+ * PTI i think is already done somewhere else for 2ka
+ * (opp?, please double check.
+ * OPTC side only has 1 register to set for PTI_ENABLE)
+ */
+
+void optc2_set_odm_bypass(struct timing_generator *optc,
+		const struct dc_crtc_timing *dc_crtc_timing)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+	uint32_t h_div_2 = 0;
+
+	optc1->comb_opp_id = 0xf;
+	REG_SET_3(OPTC_DATA_SOURCE_SELECT, 0,
+			OPTC_NUM_OF_INPUT_SEGMENT, 0,
+			OPTC_SEG0_SRC_SEL, optc->inst,
+			OPTC_SEG1_SRC_SEL, 0xf);
+	REG_WRITE(OTG_H_TIMING_CNTL, 0);
+
+	h_div_2 = optc1_is_two_pixels_per_containter(dc_crtc_timing);
+	REG_UPDATE(OTG_H_TIMING_CNTL,
+			OTG_H_TIMING_DIV_BY2, h_div_2);
+	REG_SET(OPTC_MEMORY_CONFIG, 0,
+			OPTC_MEM_SEL, 0);
+}
+
+void optc2_set_odm_combine(struct timing_generator *optc, int combine_opp_id, int mpcc_hactive)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+	/* 2 pieces of memory required for up to 5120 displays, 4 for up to 8192 */
+	int memory_mask = mpcc_hactive <= 2560 ? 0x3 : 0xf;
+
+	/* TODO: In pseudocode but does not affect maximus, delete comment if we dont need on asic
+	 * REG_SET(OTG_GLOBAL_CONTROL2, 0, GLOBAL_UPDATE_LOCK_EN, 1);
+	 * Program OTG register MASTER_UPDATE_LOCK_DB_X/Y to the position before DP frame start
+	 * REG_SET_2(OTG_GLOBAL_CONTROL1, 0,
+	 *		MASTER_UPDATE_LOCK_DB_X, 160,
+	 *		MASTER_UPDATE_LOCK_DB_Y, 240);
+	 */
+	if (REG(OPTC_MEMORY_CONFIG))
+		REG_SET(OPTC_MEMORY_CONFIG, 0,
+			OPTC_MEM_SEL, memory_mask << (optc->inst * 4));
+
+	REG_SET_3(OPTC_DATA_SOURCE_SELECT, 0,
+			OPTC_NUM_OF_INPUT_SEGMENT, 1,
+			OPTC_SEG0_SRC_SEL, optc->inst,
+			OPTC_SEG1_SRC_SEL, combine_opp_id);
+
+	REG_UPDATE(OPTC_WIDTH_CONTROL,
+			OPTC_SEGMENT_WIDTH, mpcc_hactive);
+
+	REG_SET(OTG_H_TIMING_CNTL, 0, OTG_H_TIMING_DIV_BY2, 1);
+	optc1->comb_opp_id = combine_opp_id;
+}
+
+void optc2_get_optc_source(struct timing_generator *optc,
+		uint32_t *num_of_src_opp,
+		uint32_t *src_opp_id_0,
+		uint32_t *src_opp_id_1)
+{
+	uint32_t num_of_input_segments;
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	REG_GET_3(OPTC_DATA_SOURCE_SELECT,
+			OPTC_NUM_OF_INPUT_SEGMENT, &num_of_input_segments,
+			OPTC_SEG0_SRC_SEL, src_opp_id_0,
+			OPTC_SEG1_SRC_SEL, src_opp_id_1);
+
+	if (num_of_input_segments == 1)
+		*num_of_src_opp = 2;
+	else
+		*num_of_src_opp = 1;
+}
+
+void optc2_set_dwb_source(struct timing_generator *optc,
+		uint32_t dwb_pipe_inst)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	if (dwb_pipe_inst == 0)
+		REG_UPDATE(DWB_SOURCE_SELECT,
+				OPTC_DWB0_SOURCE_SELECT, optc->inst);
+	else if (dwb_pipe_inst == 1)
+		REG_UPDATE(DWB_SOURCE_SELECT,
+				OPTC_DWB1_SOURCE_SELECT, optc->inst);
+}
+
+void optc2_triplebuffer_lock(struct timing_generator *optc)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	REG_SET(OTG_GLOBAL_CONTROL0, 0,
+		OTG_MASTER_UPDATE_LOCK_SEL, optc->inst);
+
+	REG_SET(OTG_VUPDATE_KEEPOUT, 0,
+		OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, 1);
+
+	REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
+		OTG_MASTER_UPDATE_LOCK, 1);
+
+	if (optc->ctx->dce_environment != DCE_ENV_FPGA_MAXIMUS)
+		REG_WAIT(OTG_MASTER_UPDATE_LOCK,
+				UPDATE_LOCK_STATUS, 1,
+				1, 10);
+}
+
+void optc2_triplebuffer_unlock(struct timing_generator *optc)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
+		OTG_MASTER_UPDATE_LOCK, 0);
+
+	REG_SET(OTG_VUPDATE_KEEPOUT, 0,
+		OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, 0);
+
+}
+
+void optc2_setup_global_lock(struct timing_generator *optc)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+	uint32_t v_blank_start = 0;
+	uint32_t h_blank_start = 0, h_total = 0;
+
+	REG_SET(OTG_GLOBAL_CONTROL2, 0, DIG_UPDATE_LOCATION, 20);
+
+	REG_GET(OTG_V_BLANK_START_END, OTG_V_BLANK_START, &v_blank_start);
+
+	REG_GET(OTG_H_BLANK_START_END, OTG_H_BLANK_START, &h_blank_start);
+
+	REG_GET(OTG_H_TOTAL, OTG_H_TOTAL, &h_total);
+	REG_UPDATE_2(OTG_GLOBAL_CONTROL1,
+			MASTER_UPDATE_LOCK_DB_X,
+			0,
+			MASTER_UPDATE_LOCK_DB_Y,
+			v_blank_start - 1);
+}
+
+void optc2_lock_global(struct timing_generator *optc)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	REG_SET(OTG_GLOBAL_CONTROL1, 0, MASTER_UPDATE_LOCK_DB_EN, 1);
+
+	REG_UPDATE(OTG_GLOBAL_CONTROL2, GLOBAL_UPDATE_LOCK_EN, 1);
+
+	REG_SET(OTG_GLOBAL_CONTROL0, 0,
+			OTG_MASTER_UPDATE_LOCK_SEL, optc->inst);
+	REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
+			OTG_MASTER_UPDATE_LOCK, 1);
+
+	/* Should be fast, status does not update on maximus */
+	if (optc->ctx->dce_environment != DCE_ENV_FPGA_MAXIMUS)
+		REG_WAIT(OTG_MASTER_UPDATE_LOCK,
+				UPDATE_LOCK_STATUS, 1,
+				1, 10);
+}
+
+void optc2_lock(struct timing_generator *optc)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	REG_SET(OTG_GLOBAL_CONTROL1, 0, MASTER_UPDATE_LOCK_DB_EN, 0);
+
+	REG_UPDATE(OTG_GLOBAL_CONTROL2, GLOBAL_UPDATE_LOCK_EN, 0);
+
+	REG_SET(OTG_GLOBAL_CONTROL0, 0,
+			OTG_MASTER_UPDATE_LOCK_SEL, optc->inst);
+	REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
+			OTG_MASTER_UPDATE_LOCK, 1);
+
+	/* Should be fast, status does not update on maximus */
+	if (optc->ctx->dce_environment != DCE_ENV_FPGA_MAXIMUS)
+		REG_WAIT(OTG_MASTER_UPDATE_LOCK,
+				UPDATE_LOCK_STATUS, 1,
+				1, 10);
+}
+
+static struct timing_generator_funcs dcn20_tg_funcs = {
+		.validate_timing = optc1_validate_timing,
+		.program_timing = optc1_program_timing,
+		.setup_vertical_interrupt0 = optc1_setup_vertical_interrupt0,
+		.setup_vertical_interrupt1 = optc1_setup_vertical_interrupt1,
+		.setup_vertical_interrupt2 = optc1_setup_vertical_interrupt2,
+		.program_global_sync = optc1_program_global_sync,
+		.enable_crtc = optc2_enable_crtc,
+		.disable_crtc = optc1_disable_crtc,
+		/* used by enable_timing_synchronization. Not need for FPGA */
+		.is_counter_moving = optc1_is_counter_moving,
+		.get_position = optc1_get_position,
+		.get_frame_count = optc1_get_vblank_counter,
+		.get_scanoutpos = optc1_get_crtc_scanoutpos,
+		.get_otg_active_size = optc1_get_otg_active_size,
+		.set_early_control = optc1_set_early_control,
+		/* used by enable_timing_synchronization. Not need for FPGA */
+		.wait_for_state = optc1_wait_for_state,
+		.set_blank = optc1_set_blank,
+		.is_blanked = optc1_is_blanked,
+		.set_blank_color = optc1_program_blank_color,
+		.enable_reset_trigger = optc1_enable_reset_trigger,
+		.enable_crtc_reset = optc1_enable_crtc_reset,
+		.did_triggered_reset_occur = optc1_did_triggered_reset_occur,
+		.triplebuffer_lock = optc2_triplebuffer_lock,
+		.triplebuffer_unlock = optc2_triplebuffer_unlock,
+		.disable_reset_trigger = optc1_disable_reset_trigger,
+		.lock = optc2_lock,
+		.unlock = optc1_unlock,
+		.lock_global = optc2_lock_global,
+		.setup_global_lock = optc2_setup_global_lock,
+		.enable_optc_clock = optc1_enable_optc_clock,
+		.set_drr = optc1_set_drr,
+		.set_static_screen_control = optc1_set_static_screen_control,
+		.program_stereo = optc1_program_stereo,
+		.is_stereo_left_eye = optc1_is_stereo_left_eye,
+		.set_blank_data_double_buffer = optc1_set_blank_data_double_buffer,
+		.tg_init = optc1_tg_init,
+		.is_tg_enabled = optc1_is_tg_enabled,
+		.is_optc_underflow_occurred = optc1_is_optc_underflow_occurred,
+		.clear_optc_underflow = optc1_clear_optc_underflow,
+		.setup_global_swap_lock = NULL,
+		.get_crc = optc1_get_crc,
+		.configure_crc = optc1_configure_crc,
+		.set_dwb_source = optc2_set_dwb_source,
+		.set_odm_bypass = optc2_set_odm_bypass,
+		.set_odm_combine = optc2_set_odm_combine,
+		.get_optc_source = optc2_get_optc_source,
+		.set_gsl = optc2_set_gsl,
+		.set_gsl_source_select = optc2_set_gsl_source_select,
+};
+
+void dcn20_timing_generator_init(struct optc *optc1)
+{
+	optc1->base.funcs = &dcn20_tg_funcs;
+
+	optc1->max_h_total = optc1->tg_mask->OTG_H_TOTAL + 1;
+	optc1->max_v_total = optc1->tg_mask->OTG_V_TOTAL + 1;
+
+	optc1->min_h_blank = 32;
+	optc1->min_v_blank = 3;
+	optc1->min_v_blank_interlace = 5;
+	optc1->min_h_sync_width = 8;
+	optc1->min_v_sync_width = 1;
+	optc1->comb_opp_id = 0xf;
+}
+

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.h

+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_OPTC_DCN20_H__
+#define __DC_OPTC_DCN20_H__
+
+#include "../dcn10/dcn10_optc.h"
+
+#define TG_COMMON_REG_LIST_DCN2_0(inst) \
+	TG_COMMON_REG_LIST_DCN(inst),\
+	SRI(OTG_GLOBAL_CONTROL1, OTG, inst),\
+	SRI(OTG_GLOBAL_CONTROL2, OTG, inst),\
+	SRI(OTG_GSL_WINDOW_X, OTG, inst),\
+	SRI(OTG_GSL_WINDOW_Y, OTG, inst),\
+	SRI(OTG_VUPDATE_KEEPOUT, OTG, inst),\
+	SRI(OTG_DSC_START_POSITION, OTG, inst),\
+	SRI(OPTC_DATA_FORMAT_CONTROL, ODM, inst),\
+	SRI(OPTC_BYTES_PER_PIXEL, ODM, inst),\
+	SRI(OPTC_WIDTH_CONTROL, ODM, inst),\
+	SRI(OPTC_MEMORY_CONFIG, ODM, inst),\
+	SR(DWB_SOURCE_SELECT)
+
+#define TG_COMMON_MASK_SH_LIST_DCN2_0(mask_sh)\
+	TG_COMMON_MASK_SH_LIST_DCN(mask_sh),\
+	SF(OTG0_OTG_GLOBAL_CONTROL1, MASTER_UPDATE_LOCK_DB_X, mask_sh),\
+	SF(OTG0_OTG_GLOBAL_CONTROL1, MASTER_UPDATE_LOCK_DB_Y, mask_sh),\
+	SF(OTG0_OTG_GLOBAL_CONTROL1, MASTER_UPDATE_LOCK_DB_EN, mask_sh),\
+	SF(OTG0_OTG_GLOBAL_CONTROL2, GLOBAL_UPDATE_LOCK_EN, mask_sh),\
+	SF(OTG0_OTG_GLOBAL_CONTROL2, DIG_UPDATE_LOCATION, mask_sh),\
+	SF(OTG0_OTG_DOUBLE_BUFFER_CONTROL, OTG_RANGE_TIMING_DBUF_UPDATE_MODE, mask_sh),\
+	SF(OTG0_OTG_GSL_WINDOW_X, OTG_GSL_WINDOW_START_X, mask_sh),\
+	SF(OTG0_OTG_GSL_WINDOW_X, OTG_GSL_WINDOW_END_X, mask_sh), \
+	SF(OTG0_OTG_GSL_WINDOW_Y, OTG_GSL_WINDOW_START_Y, mask_sh),\
+	SF(OTG0_OTG_GSL_WINDOW_Y, OTG_GSL_WINDOW_END_Y, mask_sh),\
+	SF(OTG0_OTG_VUPDATE_KEEPOUT, OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, mask_sh), \
+	SF(OTG0_OTG_VUPDATE_KEEPOUT, MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_START_OFFSET, mask_sh), \
+	SF(OTG0_OTG_VUPDATE_KEEPOUT, MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_END_OFFSET, mask_sh), \
+	SF(OTG0_OTG_GSL_CONTROL, OTG_GSL_MASTER_MODE, mask_sh), \
+	SF(OTG0_OTG_GSL_CONTROL, OTG_MASTER_UPDATE_LOCK_GSL_EN, mask_sh), \
+	SF(OTG0_OTG_DSC_START_POSITION, OTG_DSC_START_POSITION_X, mask_sh), \
+	SF(OTG0_OTG_DSC_START_POSITION, OTG_DSC_START_POSITION_LINE_NUM, mask_sh),\
+	SF(ODM0_OPTC_DATA_SOURCE_SELECT, OPTC_SEG0_SRC_SEL, mask_sh),\
+	SF(ODM0_OPTC_DATA_SOURCE_SELECT, OPTC_SEG1_SRC_SEL, mask_sh),\
+	SF(ODM0_OPTC_DATA_SOURCE_SELECT, OPTC_NUM_OF_INPUT_SEGMENT, mask_sh),\
+	SF(ODM0_OPTC_MEMORY_CONFIG, OPTC_MEM_SEL, mask_sh),\
+	SF(ODM0_OPTC_DATA_FORMAT_CONTROL, OPTC_DSC_MODE, mask_sh),\
+	SF(ODM0_OPTC_BYTES_PER_PIXEL, OPTC_DSC_BYTES_PER_PIXEL, mask_sh),\
+	SF(ODM0_OPTC_WIDTH_CONTROL, OPTC_DSC_SLICE_WIDTH, mask_sh),\
+	SF(ODM0_OPTC_WIDTH_CONTROL, OPTC_SEGMENT_WIDTH, mask_sh),\
+	SF(DWB_SOURCE_SELECT, OPTC_DWB0_SOURCE_SELECT, mask_sh),\
+	SF(DWB_SOURCE_SELECT, OPTC_DWB1_SOURCE_SELECT, mask_sh)
+
+void dcn20_timing_generator_init(struct optc *optc);
+
+bool optc2_enable_crtc(struct timing_generator *optc);
+
+void optc2_set_gsl(struct timing_generator *optc,
+		const struct gsl_params *params);
+
+void optc2_set_gsl_source_select(struct timing_generator *optc,
+		int group_idx,
+		uint32_t gsl_ready_signal);
+
+
+void optc2_set_odm_bypass(struct timing_generator *optc,
+		const struct dc_crtc_timing *dc_crtc_timing);
+
+void optc2_set_odm_combine(struct timing_generator *optc, int combine_opp_id, int mpcc_hactive);
+
+void optc2_get_optc_source(struct timing_generator *optc,
+		uint32_t *num_of_src_opp,
+		uint32_t *src_opp_id_0,
+		uint32_t *src_opp_id_1);
+
+void optc2_triplebuffer_lock(struct timing_generator *optc);
+void optc2_triplebuffer_unlock(struct timing_generator *optc);
+void optc2_lock(struct timing_generator *optc);
+void optc2_lock_global(struct timing_generator *optc);
+void optc2_setup_global_lock(struct timing_generator *optc);
+
+#endif /* __DC_OPTC_DCN20_H__ */

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

@@ -35,6 +35,9 @@
  ******************************************************************************/
 
 #define MAX_PIPES 6
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+#define MAX_DWB_PIPES	1
+#endif
 
 struct gamma_curve {
 	uint32_t offset;
@@ -77,6 +80,37 @@ struct pwl_result_data {
 	uint32_t delta_blue_reg;
 };
 
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+struct dc_rgb {
+	uint32_t red;
+	uint32_t green;
+	uint32_t blue;
+};
+
+struct tetrahedral_17x17x17 {
+	struct dc_rgb lut0[1229];
+	struct dc_rgb lut1[1228];
+	struct dc_rgb lut2[1228];
+	struct dc_rgb lut3[1228];
+};
+struct tetrahedral_9x9x9 {
+	struct dc_rgb lut0[183];
+	struct dc_rgb lut1[182];
+	struct dc_rgb lut2[182];
+	struct dc_rgb lut3[182];
+};
+
+struct tetrahedral_params {
+	union {
+		struct tetrahedral_17x17x17 tetrahedral_17;
+		struct tetrahedral_9x9x9 tetrahedral_9;
+	};
+	bool use_tetrahedral_9;
+	bool use_12bits;
+
+};
+#endif
+
 /* arr_curve_points - regamma regions/segments specification
  * arr_points - beginning and end point specified separately (only one on DCE)
  * corner_points - beginning and end point for all 3 colors (DCN)
@@ -160,6 +194,7 @@ enum opp_regamma {
 	OPP_REGAMMA_USER
 };
 
+
 struct dc_bias_and_scale {
 	uint16_t scale_red;
 	uint16_t bias_red;
@@ -181,7 +216,12 @@ enum test_pattern_mode {
 	TEST_PATTERN_MODE_VERTICALBARS,
 	TEST_PATTERN_MODE_HORIZONTALBARS,
 	TEST_PATTERN_MODE_SINGLERAMP_RGB,
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+	TEST_PATTERN_MODE_DUALRAMP_RGB,
+	TEST_PATTERN_MODE_XR_BIAS_RGB
+#else
 	TEST_PATTERN_MODE_DUALRAMP_RGB
+#endif
 };
 
 enum test_pattern_color_format {
@@ -203,7 +243,8 @@ enum controller_dp_test_pattern {
 	CONTROLLER_DP_TEST_PATTERN_RESERVED_8,
 	CONTROLLER_DP_TEST_PATTERN_RESERVED_9,
 	CONTROLLER_DP_TEST_PATTERN_RESERVED_A,
-	CONTROLLER_DP_TEST_PATTERN_COLORSQUARES_CEA
+	CONTROLLER_DP_TEST_PATTERN_COLORSQUARES_CEA,
+	CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR
 };
 
 enum dc_lut_mode {

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

@@ -188,6 +188,10 @@ struct timing_generator_funcs {
 	void (*unlock)(struct timing_generator *tg);
 	void (*lock)(struct timing_generator *tg);
 	void (*lock_global)(struct timing_generator *tg);
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+	void(*triplebuffer_unlock)(struct timing_generator *tg);
+	void(*triplebuffer_lock)(struct timing_generator *tg);
+#endif
 	void (*enable_reset_trigger)(struct timing_generator *tg,
 				     int source_tg_inst);
 	void (*enable_crtc_reset)(struct timing_generator *tg,
@@ -224,6 +228,16 @@ struct timing_generator_funcs {
 	bool (*is_optc_underflow_occurred)(struct timing_generator *tg);
 	void (*clear_optc_underflow)(struct timing_generator *tg);
 
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+	void (*set_dwb_source)(struct timing_generator *optc,
+		uint32_t dwb_pipe_inst);
+
+	void (*get_optc_source)(struct timing_generator *optc,
+			uint32_t *num_of_input_segments,
+			uint32_t *seg0_src_sel,
+			uint32_t *seg1_src_sel);
+#endif
+
 	/**
 	 * Configure CRCs for the given timing generator. Return false if TG is
 	 * not on.
@@ -243,6 +257,14 @@ struct timing_generator_funcs {
 
 	void (*set_vtg_params)(struct timing_generator *optc,
 			const struct dc_crtc_timing *dc_crtc_timing);
+#ifdef CONFIG_DRM_AMD_DC_DCN2_0
+	void (*set_odm_bypass)(struct timing_generator *tg, const struct dc_crtc_timing *dc_crtc_timing);
+	void (*set_odm_combine)(struct timing_generator *tg, int combine_opp_id, int mpcc_hactive);
+	void (*set_gsl)(struct timing_generator *optc, const struct gsl_params *params);
+	void (*set_gsl_source_select)(struct timing_generator *optc,
+			int group_idx,
+			uint32_t gsl_ready_signal);
+#endif
 };
 
 #endif