drm/amd/display: Add DCN35 DIO

[Why & How]
Add DIO handling for DCN35.
Signed-off-by: Qingqing Zhuo <Qingqing.Zhuo@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/dcn35/dcn35_dio_link_encoder.c

+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2023 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.
+ *
+ */
+
+#include "reg_helper.h"
+
+#include "core_types.h"
+#include "link_encoder.h"
+#include "dcn31/dcn31_dio_link_encoder.h"
+#include "dcn35_dio_link_encoder.h"
+#define CTX \
+	enc10->base.ctx
+#define DC_LOGGER \
+	enc10->base.ctx->logger
+
+#define REG(reg)\
+	(enc10->link_regs->reg)
+
+#undef FN
+#define FN(reg_name, field_name) \
+	enc10->link_shift->field_name, enc10->link_mask->field_name
+/*
+ * @brief
+ * Trigger Source Select
+ * ASIC-dependent, actual values for register programming
+ */
+#define DCN35_DIG_FE_SOURCE_SELECT_INVALID 0x0
+#define DCN35_DIG_FE_SOURCE_SELECT_DIGA 0x1
+#define DCN35_DIG_FE_SOURCE_SELECT_DIGB 0x2
+#define DCN35_DIG_FE_SOURCE_SELECT_DIGC 0x4
+#define DCN35_DIG_FE_SOURCE_SELECT_DIGD 0x08
+#define DCN35_DIG_FE_SOURCE_SELECT_DIGE 0x10
+
+
+bool dcn35_is_dig_enabled(struct link_encoder *enc)
+{
+	uint32_t enabled;
+	struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
+
+	REG_GET(DIG_BE_CLK_CNTL, DIG_BE_CLK_EN, &enabled);
+	return (enabled == 1);
+}
+
+enum signal_type dcn35_get_dig_mode(
+	struct link_encoder *enc)
+{
+	uint32_t value;
+	struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
+
+	REG_GET(DIG_BE_CLK_CNTL, DIG_BE_MODE, &value);
+	switch (value) {
+	case 0:
+		return SIGNAL_TYPE_DISPLAY_PORT;
+	case 2:
+		return SIGNAL_TYPE_DVI_SINGLE_LINK;
+	case 3:
+		return SIGNAL_TYPE_HDMI_TYPE_A;
+	case 5:
+		return SIGNAL_TYPE_DISPLAY_PORT_MST;
+	default:
+		return SIGNAL_TYPE_NONE;
+	}
+	return SIGNAL_TYPE_NONE;
+}
+
+void dcn35_link_encoder_setup(
+	struct link_encoder *enc,
+	enum signal_type signal)
+{
+	struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
+
+	switch (signal) {
+	case SIGNAL_TYPE_EDP:
+	case SIGNAL_TYPE_DISPLAY_PORT:
+		/* DP SST */
+		REG_UPDATE(DIG_BE_CLK_CNTL, DIG_BE_MODE, 0);
+		break;
+	case SIGNAL_TYPE_DVI_SINGLE_LINK:
+	case SIGNAL_TYPE_DVI_DUAL_LINK:
+		/* TMDS-DVI */
+		REG_UPDATE(DIG_BE_CLK_CNTL, DIG_BE_MODE, 2);
+		break;
+	case SIGNAL_TYPE_HDMI_TYPE_A:
+		/* TMDS-HDMI */
+		REG_UPDATE(DIG_BE_CLK_CNTL, DIG_BE_MODE, 3);
+		break;
+	case SIGNAL_TYPE_DISPLAY_PORT_MST:
+		/* DP MST */
+		REG_UPDATE(DIG_BE_CLK_CNTL, DIG_BE_MODE, 5);
+		break;
+	default:
+		ASSERT_CRITICAL(false);
+		/* invalid mode ! */
+		break;
+	}
+	REG_UPDATE(DIG_BE_CLK_CNTL, DIG_BE_CLK_EN, 1);
+
+}
+
+void dcn35_link_encoder_init(struct link_encoder *enc)
+{
+	enc32_hw_init(enc);
+	dcn35_link_encoder_set_fgcg(enc, enc->ctx->dc->debug.enable_fine_grain_clock_gating.bits.dio);
+}
+
+void dcn35_link_encoder_set_fgcg(struct link_encoder *enc, bool enable)
+{
+	struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
+
+	REG_UPDATE(DIO_CLK_CNTL, DIO_FGCG_REP_DIS, !enable);
+}
+
+static const struct link_encoder_funcs dcn35_link_enc_funcs = {
+	.read_state = link_enc2_read_state,
+	.validate_output_with_stream =
+			dcn30_link_encoder_validate_output_with_stream,
+	.hw_init = dcn35_link_encoder_init,
+	.setup = dcn35_link_encoder_setup,
+	.enable_tmds_output = dcn10_link_encoder_enable_tmds_output,
+	.enable_dp_output = dcn31_link_encoder_enable_dp_output,
+	.enable_dp_mst_output = dcn31_link_encoder_enable_dp_mst_output,
+	.disable_output = dcn31_link_encoder_disable_output,
+	.dp_set_lane_settings = dcn10_link_encoder_dp_set_lane_settings,
+	.dp_set_phy_pattern = dcn10_link_encoder_dp_set_phy_pattern,
+	.update_mst_stream_allocation_table =
+		dcn10_link_encoder_update_mst_stream_allocation_table,
+	.psr_program_dp_dphy_fast_training =
+			dcn10_psr_program_dp_dphy_fast_training,
+	.psr_program_secondary_packet = dcn10_psr_program_secondary_packet,
+	.connect_dig_be_to_fe = dcn10_link_encoder_connect_dig_be_to_fe,
+	.enable_hpd = dcn10_link_encoder_enable_hpd,
+	.disable_hpd = dcn10_link_encoder_disable_hpd,
+	.is_dig_enabled = dcn35_is_dig_enabled,
+	.destroy = dcn10_link_encoder_destroy,
+	.fec_set_enable = enc2_fec_set_enable,
+	.fec_set_ready = enc2_fec_set_ready,
+	.fec_is_active = enc2_fec_is_active,
+	.get_dig_frontend = dcn10_get_dig_frontend,
+	.get_dig_mode = dcn35_get_dig_mode,
+	.is_in_alt_mode = dcn31_link_encoder_is_in_alt_mode,
+	.get_max_link_cap = dcn31_link_encoder_get_max_link_cap,
+	.set_dio_phy_mux = dcn31_link_encoder_set_dio_phy_mux,
+};
+
+void dcn35_link_encoder_construct(
+	struct dcn20_link_encoder *enc20,
+	const struct encoder_init_data *init_data,
+	const struct encoder_feature_support *enc_features,
+	const struct dcn10_link_enc_registers *link_regs,
+	const struct dcn10_link_enc_aux_registers *aux_regs,
+	const struct dcn10_link_enc_hpd_registers *hpd_regs,
+	const struct dcn10_link_enc_shift *link_shift,
+	const struct dcn10_link_enc_mask *link_mask)
+{
+	struct bp_connector_speed_cap_info bp_cap_info = {0};
+	const struct dc_vbios_funcs *bp_funcs = init_data->ctx->dc_bios->funcs;
+	enum bp_result result = BP_RESULT_OK;
+	struct dcn10_link_encoder *enc10 = &enc20->enc10;
+
+	enc10->base.funcs = &dcn35_link_enc_funcs;
+	enc10->base.ctx = init_data->ctx;
+	enc10->base.id = init_data->encoder;
+
+	enc10->base.hpd_source = init_data->hpd_source;
+	enc10->base.connector = init_data->connector;
+
+	if (enc10->base.connector.id == CONNECTOR_ID_USBC)
+		enc10->base.features.flags.bits.DP_IS_USB_C = 1;
+
+	enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
+
+	enc10->base.features = *enc_features;
+
+	enc10->base.transmitter = init_data->transmitter;
+
+	/* set the flag to indicate whether driver poll the I2C data pin
+	 * while doing the DP sink detect
+	 */
+
+/*	if (dal_adapter_service_is_feature_supported(as,
+ *		FEATURE_DP_SINK_DETECT_POLL_DATA_PIN))
+ *		enc10->base.features.flags.bits.
+ *			DP_SINK_DETECT_POLL_DATA_PIN = true;
+ */
+
+	enc10->base.output_signals =
+		SIGNAL_TYPE_DVI_SINGLE_LINK |
+		SIGNAL_TYPE_DVI_DUAL_LINK |
+		SIGNAL_TYPE_LVDS |
+		SIGNAL_TYPE_DISPLAY_PORT |
+		SIGNAL_TYPE_DISPLAY_PORT_MST |
+		SIGNAL_TYPE_EDP |
+		SIGNAL_TYPE_HDMI_TYPE_A;
+
+	enc10->link_regs = link_regs;
+	enc10->aux_regs = aux_regs;
+	enc10->hpd_regs = hpd_regs;
+	enc10->link_shift = link_shift;
+	enc10->link_mask = link_mask;
+
+	switch (enc10->base.transmitter) {
+	case TRANSMITTER_UNIPHY_A:
+		enc10->base.preferred_engine = ENGINE_ID_DIGA;
+	break;
+	case TRANSMITTER_UNIPHY_B:
+		enc10->base.preferred_engine = ENGINE_ID_DIGB;
+	break;
+	case TRANSMITTER_UNIPHY_C:
+		enc10->base.preferred_engine = ENGINE_ID_DIGC;
+	break;
+	case TRANSMITTER_UNIPHY_D:
+		enc10->base.preferred_engine = ENGINE_ID_DIGD;
+	break;
+	case TRANSMITTER_UNIPHY_E:
+		enc10->base.preferred_engine = ENGINE_ID_DIGE;
+	break;
+	default:
+		ASSERT_CRITICAL(false);
+		enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
+	}
+
+	enc10->base.features.flags.bits.HDMI_6GB_EN = 1;
+
+	if (bp_funcs->get_connector_speed_cap_info)
+		result = bp_funcs->get_connector_speed_cap_info(enc10->base.ctx->dc_bios,
+						enc10->base.connector, &bp_cap_info);
+
+	/* Override features with DCE-specific values */
+	if (result == BP_RESULT_OK) {
+		enc10->base.features.flags.bits.IS_HBR2_CAPABLE =
+				bp_cap_info.DP_HBR2_EN;
+		enc10->base.features.flags.bits.IS_HBR3_CAPABLE =
+				bp_cap_info.DP_HBR3_EN;
+		enc10->base.features.flags.bits.HDMI_6GB_EN = bp_cap_info.HDMI_6GB_EN;
+		enc10->base.features.flags.bits.IS_DP2_CAPABLE = 1;
+		enc10->base.features.flags.bits.IS_UHBR10_CAPABLE = bp_cap_info.DP_UHBR10_EN;
+		enc10->base.features.flags.bits.IS_UHBR13_5_CAPABLE = bp_cap_info.DP_UHBR13_5_EN;
+		enc10->base.features.flags.bits.IS_UHBR20_CAPABLE = bp_cap_info.DP_UHBR20_EN;
+
+	} else {
+		DC_LOG_WARNING("%s: Failed to get encoder_cap_info from VBIOS with error code %d!\n",
+				__func__,
+				result);
+	}
+	if (enc10->base.ctx->dc->debug.hdmi20_disable)
+		enc10->base.features.flags.bits.HDMI_6GB_EN = 0;
+}

drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.h

+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2023 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.
+ *
+ */
+
+#ifndef __DC_LINK_ENCODER__DCN35_H__
+#define __DC_LINK_ENCODER__DCN35_H__
+
+#include "dcn32/dcn32_dio_link_encoder.h"
+#include "dcn30/dcn30_dio_link_encoder.h"
+#include "dcn31/dcn31_dio_link_encoder.h"
+
+#define LINK_ENCODER_MASK_SH_LIST_DCN35(mask_sh) \
+	LE_SF(DIG0_DIG_BE_EN_CNTL, DIG_BE_ENABLE, mask_sh),\
+	LE_SF(DIG0_DIG_BE_CNTL, DIG_RB_SWITCH_EN, mask_sh),\
+	LE_SF(DIG0_DIG_BE_CNTL, DIG_HPD_SELECT, mask_sh),\
+	LE_SF(DIG0_DIG_BE_CNTL, DIG_FE_SOURCE_SELECT, mask_sh),\
+	LE_SF(DIG0_DIG_BE_CLK_CNTL, DIG_BE_MODE, mask_sh),\
+	LE_SF(DIG0_DIG_BE_CLK_CNTL, DIG_BE_CLK_EN, mask_sh),\
+	LE_SF(DIG0_DIG_BE_CLK_CNTL, DIG_BE_SOFT_RESET, mask_sh),\
+	LE_SF(DIG0_DIG_BE_CLK_CNTL, DIG_BE_SYMCLK_G_CLOCK_ON, mask_sh),\
+	LE_SF(DIG0_DIG_BE_CLK_CNTL, DIG_BE_SYMCLK_G_TMDS_CLOCK_ON, mask_sh),\
+	LE_SF(DIG0_DIG_CLOCK_PATTERN, DIG_CLOCK_PATTERN, mask_sh),\
+	LE_SF(DIG0_TMDS_CTL_BITS, TMDS_CTL0, mask_sh), \
+	LE_SF(DP0_DP_DPHY_CNTL, DPHY_BYPASS, mask_sh),\
+	LE_SF(DP0_DP_DPHY_CNTL, DPHY_ATEST_SEL_LANE0, mask_sh),\
+	LE_SF(DP0_DP_DPHY_CNTL, DPHY_ATEST_SEL_LANE1, mask_sh),\
+	LE_SF(DP0_DP_DPHY_CNTL, DPHY_ATEST_SEL_LANE2, mask_sh),\
+	LE_SF(DP0_DP_DPHY_CNTL, DPHY_ATEST_SEL_LANE3, mask_sh),\
+	LE_SF(DP0_DP_DPHY_PRBS_CNTL, DPHY_PRBS_EN, mask_sh),\
+	LE_SF(DP0_DP_DPHY_PRBS_CNTL, DPHY_PRBS_SEL, mask_sh),\
+	LE_SF(DP0_DP_DPHY_SYM0, DPHY_SYM1, mask_sh),\
+	LE_SF(DP0_DP_DPHY_SYM0, DPHY_SYM2, mask_sh),\
+	LE_SF(DP0_DP_DPHY_SYM0, DPHY_SYM3, mask_sh),\
+	LE_SF(DP0_DP_DPHY_SYM1, DPHY_SYM4, mask_sh),\
+	LE_SF(DP0_DP_DPHY_SYM1, DPHY_SYM5, mask_sh),\
+	LE_SF(DP0_DP_DPHY_SYM1, DPHY_SYM6, mask_sh),\
+	LE_SF(DP0_DP_DPHY_SYM2, DPHY_SYM7, mask_sh),\
+	LE_SF(DP0_DP_DPHY_SYM2, DPHY_SYM8, mask_sh),\
+	LE_SF(DP0_DP_DPHY_SCRAM_CNTL, DPHY_SCRAMBLER_BS_COUNT, mask_sh),\
+	LE_SF(DP0_DP_DPHY_SCRAM_CNTL, DPHY_SCRAMBLER_ADVANCE, mask_sh),\
+	LE_SF(DP0_DP_DPHY_FAST_TRAINING, DPHY_RX_FAST_TRAINING_CAPABLE, mask_sh),\
+	LE_SF(DP0_DP_DPHY_BS_SR_SWAP_CNTL, DPHY_LOAD_BS_COUNT, mask_sh),\
+	LE_SF(DP0_DP_DPHY_TRAINING_PATTERN_SEL, DPHY_TRAINING_PATTERN_SEL, mask_sh),\
+	LE_SF(DP0_DP_DPHY_HBR2_PATTERN_CONTROL, DP_DPHY_HBR2_PATTERN_CONTROL, mask_sh),\
+	LE_SF(DP0_DP_LINK_CNTL, DP_LINK_TRAINING_COMPLETE, mask_sh),\
+	LE_SF(DP0_DP_LINK_FRAMING_CNTL, DP_IDLE_BS_INTERVAL, mask_sh),\
+	LE_SF(DP0_DP_LINK_FRAMING_CNTL, DP_VBID_DISABLE, mask_sh),\
+	LE_SF(DP0_DP_LINK_FRAMING_CNTL, DP_VID_ENHANCED_FRAME_MODE, mask_sh),\
+	LE_SF(DP0_DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, mask_sh),\
+	LE_SF(DP0_DP_CONFIG, DP_UDI_LANES, mask_sh),\
+	LE_SF(DP0_DP_SEC_CNTL1, DP_SEC_GSP0_LINE_NUM, mask_sh),\
+	LE_SF(DP0_DP_SEC_CNTL1, DP_SEC_GSP0_PRIORITY, mask_sh),\
+	LE_SF(DP0_DP_MSE_SAT0, DP_MSE_SAT_SRC0, mask_sh),\
+	LE_SF(DP0_DP_MSE_SAT0, DP_MSE_SAT_SRC1, mask_sh),\
+	LE_SF(DP0_DP_MSE_SAT0, DP_MSE_SAT_SLOT_COUNT0, mask_sh),\
+	LE_SF(DP0_DP_MSE_SAT0, DP_MSE_SAT_SLOT_COUNT1, mask_sh),\
+	LE_SF(DP0_DP_MSE_SAT1, DP_MSE_SAT_SRC2, mask_sh),\
+	LE_SF(DP0_DP_MSE_SAT1, DP_MSE_SAT_SRC3, mask_sh),\
+	LE_SF(DP0_DP_MSE_SAT1, DP_MSE_SAT_SLOT_COUNT2, mask_sh),\
+	LE_SF(DP0_DP_MSE_SAT1, DP_MSE_SAT_SLOT_COUNT3, mask_sh),\
+	LE_SF(DP0_DP_MSE_SAT_UPDATE, DP_MSE_SAT_UPDATE, mask_sh),\
+	LE_SF(DP0_DP_MSE_SAT_UPDATE, DP_MSE_16_MTP_KEEPOUT, mask_sh),\
+	LE_SF(DP_AUX0_AUX_CONTROL, AUX_HPD_SEL, mask_sh),\
+	LE_SF(DP_AUX0_AUX_CONTROL, AUX_LS_READ_EN, mask_sh),\
+	LE_SF(DP_AUX0_AUX_DPHY_RX_CONTROL0, AUX_RX_RECEIVE_WINDOW, mask_sh),\
+	LE_SF(HPD0_DC_HPD_CONTROL, DC_HPD_EN, mask_sh),\
+	LE_SF(DP0_DP_DPHY_CNTL, DPHY_FEC_EN, mask_sh),\
+	LE_SF(DP0_DP_DPHY_CNTL, DPHY_FEC_READY_SHADOW, mask_sh),\
+	LE_SF(DP0_DP_DPHY_CNTL, DPHY_FEC_ACTIVE_STATUS, mask_sh),\
+	LE_SF(DIG0_TMDS_CTL_BITS, TMDS_CTL0, mask_sh), \
+	LE_SF(DP_AUX0_AUX_DPHY_RX_CONTROL0, AUX_RX_START_WINDOW, mask_sh),\
+	LE_SF(DP_AUX0_AUX_DPHY_RX_CONTROL0, AUX_RX_HALF_SYM_DETECT_LEN, mask_sh),\
+	LE_SF(DP_AUX0_AUX_DPHY_RX_CONTROL0, AUX_RX_TRANSITION_FILTER_EN, mask_sh),\
+	LE_SF(DP_AUX0_AUX_DPHY_RX_CONTROL0, AUX_RX_ALLOW_BELOW_THRESHOLD_PHASE_DETECT, mask_sh),\
+	LE_SF(DP_AUX0_AUX_DPHY_RX_CONTROL0, AUX_RX_ALLOW_BELOW_THRESHOLD_START, mask_sh),\
+	LE_SF(DP_AUX0_AUX_DPHY_RX_CONTROL0, AUX_RX_ALLOW_BELOW_THRESHOLD_STOP, mask_sh),\
+	LE_SF(DP_AUX0_AUX_DPHY_RX_CONTROL0, AUX_RX_PHASE_DETECT_LEN, mask_sh),\
+	LE_SF(DP_AUX0_AUX_DPHY_RX_CONTROL0, AUX_RX_DETECTION_THRESHOLD, mask_sh), \
+	LE_SF(DP_AUX0_AUX_DPHY_TX_CONTROL, AUX_TX_PRECHARGE_LEN, mask_sh),\
+	LE_SF(DP_AUX0_AUX_DPHY_TX_CONTROL, AUX_TX_PRECHARGE_SYMBOLS, mask_sh),\
+	LE_SF(DP_AUX0_AUX_DPHY_TX_CONTROL, AUX_MODE_DET_CHECK_DELAY, mask_sh),\
+	LE_SF(DP_AUX0_AUX_DPHY_RX_CONTROL1, AUX_RX_PRECHARGE_SKIP, mask_sh),\
+	LE_SF(DP_AUX0_AUX_DPHY_RX_CONTROL1, AUX_RX_TIMEOUT_LEN, mask_sh),\
+	LE_SF(DP_AUX0_AUX_DPHY_RX_CONTROL1, AUX_RX_TIMEOUT_LEN_MUL, mask_sh),\
+	LE_SF(DIO_LINKA_CNTL, ENC_TYPE_SEL, mask_sh),\
+	LE_SF(DIO_LINKA_CNTL, HPO_DP_ENC_SEL, mask_sh),\
+	LE_SF(DIO_LINKA_CNTL, HPO_HDMI_ENC_SEL, mask_sh),\
+	LE_SF(DIO_CLK_CNTL, DISPCLK_R_GATE_DIS, mask_sh),\
+	LE_SF(DIO_CLK_CNTL, DISPCLK_G_GATE_DIS, mask_sh),\
+	LE_SF(DIO_CLK_CNTL, REFCLK_R_GATE_DIS, mask_sh),\
+	LE_SF(DIO_CLK_CNTL, REFCLK_G_GATE_DIS, mask_sh),\
+	LE_SF(DIO_CLK_CNTL, SOCCLK_G_GATE_DIS, mask_sh),\
+	LE_SF(DIO_CLK_CNTL, SYMCLK_FE_R_GATE_DIS, mask_sh),\
+	LE_SF(DIO_CLK_CNTL, SYMCLK_FE_G_GATE_DIS, mask_sh),\
+	LE_SF(DIO_CLK_CNTL, SYMCLK_R_GATE_DIS, mask_sh),\
+	LE_SF(DIO_CLK_CNTL, SYMCLK_G_GATE_DIS, mask_sh),\
+	LE_SF(DIO_CLK_CNTL, DIO_FGCG_REP_DIS, mask_sh)
+
+
+void dcn35_link_encoder_construct(
+	struct dcn20_link_encoder *enc20,
+	const struct encoder_init_data *init_data,
+	const struct encoder_feature_support *enc_features,
+	const struct dcn10_link_enc_registers *link_regs,
+	const struct dcn10_link_enc_aux_registers *aux_regs,
+	const struct dcn10_link_enc_hpd_registers *hpd_regs,
+	const struct dcn10_link_enc_shift *link_shift,
+	const struct dcn10_link_enc_mask *link_mask);
+
+void dcn35_link_encoder_init(struct link_encoder *enc);
+void dcn35_link_encoder_set_fgcg(struct link_encoder *enc, bool enabled);
+bool dcn35_is_dig_enabled(struct link_encoder *enc);
+
+enum signal_type dcn35_get_dig_mode(struct link_encoder *enc);
+void dcn35_link_encoder_setup(struct link_encoder *enc, enum signal_type signal);
+
+#endif /* __DC_LINK_ENCODER__DCN35_H__ */

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

@@ -226,6 +226,11 @@ struct stream_encoder_funcs {
 		struct stream_encoder *enc,
 		int tg_inst);
 
+	void (*dig_stream_enable)(
+		struct stream_encoder *enc,
+		enum signal_type signal,
+		bool enable);
+
 	void (*hdmi_reset_stream_attribute)(
 		struct stream_encoder *enc);
 

drivers/gpu/drm/amd/display/dc/link/link_dpms.c

@@ -2353,6 +2353,14 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx)
 
 	if (vpg && vpg->funcs->vpg_powerdown)
 		vpg->funcs->vpg_powerdown(vpg);
+
+	/* for psp not exist case */
+	if (link->connector_signal == SIGNAL_TYPE_EDP && dc->debug.psp_disabled_wa) {
+		/* reset internal save state to default since eDP is  off */
+		enum dp_panel_mode panel_mode = dp_get_panel_mode(pipe_ctx->stream->link);
+		/* since current psp not loaded, we need to reset it to default*/
+		link->panel_mode = panel_mode;
+	}
 }
 
 void link_set_dpms_on(
@@ -2394,10 +2402,17 @@ void link_set_dpms_on(
 
 	if (!dc_is_virtual_signal(pipe_ctx->stream->signal)
 			&& !dp_is_128b_132b_signal(pipe_ctx)) {
+		struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc;
+
 		if (link_enc)
 			link_enc->funcs->setup(
 				link_enc,
 				pipe_ctx->stream->signal);
+
+		if (stream_enc && stream_enc->funcs->dig_stream_enable)
+			stream_enc->funcs->dig_stream_enable(
+				stream_enc,
+				pipe_ctx->stream->signal, 1);
 	}
 
 	pipe_ctx->stream->link->link_state_valid = true;
@@ -2498,10 +2513,18 @@ void link_set_dpms_on(
 	 */
 	if (!(dc_is_virtual_signal(pipe_ctx->stream->signal) ||
 			dp_is_128b_132b_signal(pipe_ctx))) {
+			struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc;
+
 			if (link_enc)
 				link_enc->funcs->setup(
 					link_enc,
 					pipe_ctx->stream->signal);
+
+			if (stream_enc && stream_enc->funcs->dig_stream_enable)
+				stream_enc->funcs->dig_stream_enable(
+					stream_enc,
+					pipe_ctx->stream->signal, 1);
+
 		}
 
 	dc->hwss.enable_stream(pipe_ctx);