drm/amd/display: add DCN32/321 specific files for Display Core

Add core DC support for DCN 3.2.x.

v2: squash in fixup (Alex)
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn32/Makefile

+#
+# (c) Copyright 2022 Advanced Micro Devices, Inc. All the rights reserved
+#
+#  All rights reserved.  This notice is intended as a precaution against
+#  inadvertent publication and does not imply publication or any waiver
+#  of confidentiality.  The year included in the foregoing notice is the
+#  year of creation of the work.
+#
+#  Authors: AMD
+#
+# Makefile for dcn32.
+
+DCN32 = dcn32_resource.o dcn32_hubbub.o dcn32_hwseq.o dcn32_init.o \
+		dcn32_dccg.o dcn32_optc.o dcn32_mmhubbub.o dcn32_hubp.o dcn32_dpp.o \
+		dcn32_dio_stream_encoder.o dcn32_dio_link_encoder.o dcn32_hpo_dp_link_encoder.o \
+		dcn32_mpc.o
+
+CFLAGS_$(AMDDALPATH)/dc/dcn32/dcn32_resource.o := -mhard-float -msse
+
+ifdef CONFIG_CC_IS_GCC
+ifeq ($(call cc-ifversion, -lt, 0701, y), y)
+IS_OLD_GCC = 1
+endif
+endif
+
+ifdef IS_OLD_GCC
+# Stack alignment mismatch, proceed with caution.
+# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
+# (8B stack alignment).
+CFLAGS_$(AMDDALPATH)/dc/dcn32/dcn32_resource.o += -mpreferred-stack-boundary=4
+else
+CFLAGS_$(AMDDALPATH)/dc/dcn32/dcn32_resource.o += -msse2
+endif
+
+AMD_DAL_DCN32 = $(addprefix $(AMDDALPATH)/dc/dcn32/,$(DCN32))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_DCN32)

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.c

+/*
+ * Copyright 2021 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 "core_types.h"
+#include "dcn32_dccg.h"
+
+#define TO_DCN_DCCG(dccg)\
+	container_of(dccg, struct dcn_dccg, base)
+
+#define REG(reg) \
+	(dccg_dcn->regs->reg)
+
+#undef FN
+#define FN(reg_name, field_name) \
+	dccg_dcn->dccg_shift->field_name, dccg_dcn->dccg_mask->field_name
+
+#define CTX \
+	dccg_dcn->base.ctx
+#define DC_LOGGER \
+	dccg->ctx->logger
+
+enum pixel_rate_div {
+	PIXEL_RATE_DIV_BY_1 = 0,
+	PIXEL_RATE_DIV_BY_2 = 1,
+	PIXEL_RATE_DIV_BY_4 = 3
+};
+
+static void dccg32_set_pixel_rate_div(
+		struct dccg *dccg,
+		uint32_t otg_inst,
+		enum pixel_rate_div k1,
+		enum pixel_rate_div k2)
+{
+	struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg);
+
+	switch (otg_inst) {
+	case 0:
+		REG_UPDATE_2(OTG_PIXEL_RATE_DIV,
+				OTG0_PIXEL_RATE_DIVK1, k1,
+				OTG0_PIXEL_RATE_DIVK2, k2);
+		break;
+	case 1:
+		REG_UPDATE_2(OTG_PIXEL_RATE_DIV,
+				OTG1_PIXEL_RATE_DIVK1, k1,
+				OTG1_PIXEL_RATE_DIVK2, k2);
+		break;
+	case 2:
+		REG_UPDATE_2(OTG_PIXEL_RATE_DIV,
+				OTG2_PIXEL_RATE_DIVK1, k1,
+				OTG2_PIXEL_RATE_DIVK2, k2);
+		break;
+	case 3:
+		REG_UPDATE_2(OTG_PIXEL_RATE_DIV,
+				OTG3_PIXEL_RATE_DIVK1, k1,
+				OTG3_PIXEL_RATE_DIVK2, k2);
+		break;
+	default:
+		BREAK_TO_DEBUGGER();
+		return;
+	}
+}
+
+static void dccg32_set_dtbclk_p_src(
+		struct dccg *dccg,
+		enum streamclk_source src,
+		uint32_t otg_inst)
+{
+	struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg);
+
+	uint32_t p_src_sel = 0; /* selects dprefclk */
+	if (src == DTBCLK0)
+		p_src_sel = 2;  /* selects dtbclk0 */
+
+	switch (otg_inst) {
+	case 0:
+		if (src == REFCLK)
+			REG_UPDATE(DTBCLK_P_CNTL,
+					DTBCLK_P0_EN, 0);
+		else
+			REG_UPDATE_2(DTBCLK_P_CNTL,
+					DTBCLK_P0_SRC_SEL, p_src_sel,
+					DTBCLK_P0_EN, 1);
+		break;
+	case 1:
+		if (src == REFCLK)
+			REG_UPDATE(DTBCLK_P_CNTL,
+					DTBCLK_P1_EN, 0);
+		else
+			REG_UPDATE_2(DTBCLK_P_CNTL,
+					DTBCLK_P1_SRC_SEL, p_src_sel,
+					DTBCLK_P1_EN, 1);
+		break;
+	case 2:
+		if (src == REFCLK)
+			REG_UPDATE(DTBCLK_P_CNTL,
+					DTBCLK_P2_EN, 0);
+		else
+			REG_UPDATE_2(DTBCLK_P_CNTL,
+					DTBCLK_P2_SRC_SEL, p_src_sel,
+					DTBCLK_P2_EN, 1);
+		break;
+	case 3:
+		if (src == REFCLK)
+			REG_UPDATE(DTBCLK_P_CNTL,
+					DTBCLK_P3_EN, 0);
+		else
+			REG_UPDATE_2(DTBCLK_P_CNTL,
+					DTBCLK_P3_SRC_SEL, p_src_sel,
+					DTBCLK_P3_EN, 1);
+		break;
+	default:
+		BREAK_TO_DEBUGGER();
+		return;
+	}
+
+}
+
+/* Controls the generation of pixel valid for OTG in (OTG -> HPO case) */
+void dccg32_set_dtbclk_dto(
+		struct dccg *dccg,
+		int otg_inst,
+		int pixclk_khz,
+		int num_odm_segments,
+		const struct dc_crtc_timing *timing)
+{
+	struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg);
+	/* DTO Output Rate / Pixel Rate = 1/4 */
+	int req_dtbclk_khz = pixclk_khz / 4;
+
+	if (dccg->ref_dtbclk_khz && req_dtbclk_khz) {
+		uint32_t modulo, phase;
+
+		// phase / modulo = dtbclk / dtbclk ref
+		modulo = 0xffffffff;
+		phase = (((unsigned long long)modulo * req_dtbclk_khz) + dccg->ref_dtbclk_khz - 1) / dccg->ref_dtbclk_khz;
+
+		REG_WRITE(DTBCLK_DTO_MODULO[otg_inst], modulo);
+		REG_WRITE(DTBCLK_DTO_PHASE[otg_inst], phase);
+
+		REG_UPDATE(OTG_PIXEL_RATE_CNTL[otg_inst],
+				DTBCLK_DTO_ENABLE[otg_inst], 1);
+
+		REG_WAIT(OTG_PIXEL_RATE_CNTL[otg_inst],
+				DTBCLKDTO_ENABLE_STATUS[otg_inst], 1,
+				1, 100);
+
+		/* program OTG_PIXEL_RATE_DIV for DIVK1 and DIVK2 fields */
+		dccg32_set_pixel_rate_div(dccg, otg_inst, PIXEL_RATE_DIV_BY_1, PIXEL_RATE_DIV_BY_1);
+
+		/* The recommended programming sequence to enable DTBCLK DTO to generate
+		 * valid pixel HPO DPSTREAM ENCODER, specifies that DTO source select should
+		 * be set only after DTO is enabled
+		 */
+		REG_UPDATE(OTG_PIXEL_RATE_CNTL[otg_inst],
+				PIPE_DTO_SRC_SEL[otg_inst], 2);
+
+		dccg->dtbclk_khz[otg_inst] = req_dtbclk_khz;
+	} else {
+		REG_UPDATE_2(OTG_PIXEL_RATE_CNTL[otg_inst],
+				DTBCLK_DTO_ENABLE[otg_inst], 0,
+				PIPE_DTO_SRC_SEL[otg_inst], 1);
+
+		REG_WRITE(DTBCLK_DTO_MODULO[otg_inst], 0);
+		REG_WRITE(DTBCLK_DTO_PHASE[otg_inst], 0);
+
+		dccg->dtbclk_khz[otg_inst] = 0;
+	}
+}
+
+static void dccg32_get_dccg_ref_freq(struct dccg *dccg,
+		unsigned int xtalin_freq_inKhz,
+		unsigned int *dccg_ref_freq_inKhz)
+{
+	/*
+	 * Assume refclk is sourced from xtalin
+	 * expect 100MHz
+	 */
+	*dccg_ref_freq_inKhz = xtalin_freq_inKhz;
+	return;
+}
+
+void dccg32_set_dpstreamclk(
+		struct dccg *dccg,
+		enum streamclk_source src,
+		int otg_inst)
+{
+	struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg);
+
+	/* set the dtbclk_p source */
+	dccg32_set_dtbclk_p_src(dccg, src, otg_inst);
+
+	/* enabled to select one of the DTBCLKs for pipe */
+	switch (otg_inst)
+	{
+	case 0:
+		REG_UPDATE_2(DPSTREAMCLK_CNTL,
+			     DPSTREAMCLK0_EN,
+			     (src == REFCLK) ? 0 : 1, DPSTREAMCLK0_SRC_SEL, 0);
+		break;
+	case 1:
+		REG_UPDATE_2(DPSTREAMCLK_CNTL, DPSTREAMCLK1_EN,
+			     (src == REFCLK) ? 0 : 1, DPSTREAMCLK1_SRC_SEL, 1);
+		break;
+	case 2:
+		REG_UPDATE_2(DPSTREAMCLK_CNTL, DPSTREAMCLK2_EN,
+			     (src == REFCLK) ? 0 : 1, DPSTREAMCLK2_SRC_SEL, 2);
+		break;
+	case 3:
+		REG_UPDATE_2(DPSTREAMCLK_CNTL, DPSTREAMCLK3_EN,
+			     (src == REFCLK) ? 0 : 1, DPSTREAMCLK3_SRC_SEL, 3);
+		break;
+	default:
+		BREAK_TO_DEBUGGER();
+		return;
+	}
+}
+
+void dccg32_otg_add_pixel(struct dccg *dccg,
+		uint32_t otg_inst)
+{
+	struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg);
+
+	REG_UPDATE(OTG_PIXEL_RATE_CNTL[otg_inst],
+			OTG_ADD_PIXEL[otg_inst], 1);
+}
+
+void dccg32_otg_drop_pixel(struct dccg *dccg,
+		uint32_t otg_inst)
+{
+	struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg);
+
+	REG_UPDATE(OTG_PIXEL_RATE_CNTL[otg_inst],
+			OTG_DROP_PIXEL[otg_inst], 1);
+}
+
+static const struct dccg_funcs dccg32_funcs = {
+	.update_dpp_dto = dccg2_update_dpp_dto,
+	.get_dccg_ref_freq = dccg32_get_dccg_ref_freq,
+	.dccg_init = dccg31_init,
+	.set_dpstreamclk = dccg32_set_dpstreamclk,
+	.enable_symclk32_se = dccg31_enable_symclk32_se,
+	.disable_symclk32_se = dccg31_disable_symclk32_se,
+	.enable_symclk32_le = dccg31_enable_symclk32_le,
+	.disable_symclk32_le = dccg31_disable_symclk32_le,
+	.set_physymclk = dccg31_set_physymclk,
+	.set_dtbclk_dto = dccg32_set_dtbclk_dto,
+	.set_fifo_errdet_ovr_en = dccg2_set_fifo_errdet_ovr_en,
+	.set_audio_dtbclk_dto = dccg31_set_audio_dtbclk_dto,
+	.otg_add_pixel = dccg32_otg_add_pixel,
+	.otg_drop_pixel = dccg32_otg_drop_pixel,
+};
+
+struct dccg *dccg32_create(
+	struct dc_context *ctx,
+	const struct dccg_registers *regs,
+	const struct dccg_shift *dccg_shift,
+	const struct dccg_mask *dccg_mask)
+{
+	struct dcn_dccg *dccg_dcn = kzalloc(sizeof(*dccg_dcn), GFP_KERNEL);
+	struct dccg *base;
+
+	if (dccg_dcn == NULL) {
+		BREAK_TO_DEBUGGER();
+		return NULL;
+	}
+
+	base = &dccg_dcn->base;
+	base->ctx = ctx;
+	base->funcs = &dccg32_funcs;
+
+	dccg_dcn->regs = regs;
+	dccg_dcn->dccg_shift = dccg_shift;
+	dccg_dcn->dccg_mask = dccg_mask;
+
+	return &dccg_dcn->base;
+}

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.h

+/*
+ * Copyright 2021 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 __DCN32_DCCG_H__
+#define __DCN32_DCCG_H__
+
+#include "dcn31/dcn31_dccg.h"
+
+#define DCCG_SFII(block, reg_name, field_prefix, field_name, inst, post_fix)\
+	.field_prefix ## _ ## field_name[inst] = block ## inst ## _ ## reg_name ## __ ## field_prefix ## inst ## _ ## field_name ## post_fix
+
+
+#define DCCG_REG_LIST_DCN32() \
+	SR(DPPCLK_DTO_CTRL),\
+	DCCG_SRII(DTO_PARAM, DPPCLK, 0),\
+	DCCG_SRII(DTO_PARAM, DPPCLK, 1),\
+	DCCG_SRII(DTO_PARAM, DPPCLK, 2),\
+	DCCG_SRII(DTO_PARAM, DPPCLK, 3),\
+	DCCG_SRII(CLOCK_CNTL, HDMICHARCLK, 0),\
+	SR(PHYASYMCLK_CLOCK_CNTL),\
+	SR(PHYBSYMCLK_CLOCK_CNTL),\
+	SR(PHYCSYMCLK_CLOCK_CNTL),\
+	SR(PHYDSYMCLK_CLOCK_CNTL),\
+	SR(PHYESYMCLK_CLOCK_CNTL),\
+	SR(DPSTREAMCLK_CNTL),\
+	SR(SYMCLK32_SE_CNTL),\
+	SR(SYMCLK32_LE_CNTL),\
+	DCCG_SRII(PIXEL_RATE_CNTL, OTG, 0),\
+	DCCG_SRII(PIXEL_RATE_CNTL, OTG, 1),\
+	DCCG_SRII(PIXEL_RATE_CNTL, OTG, 2),\
+	DCCG_SRII(PIXEL_RATE_CNTL, OTG, 3),\
+	DCCG_SRII(MODULO, DTBCLK_DTO, 0),\
+	DCCG_SRII(MODULO, DTBCLK_DTO, 1),\
+	DCCG_SRII(MODULO, DTBCLK_DTO, 2),\
+	DCCG_SRII(MODULO, DTBCLK_DTO, 3),\
+	DCCG_SRII(PHASE, DTBCLK_DTO, 0),\
+	DCCG_SRII(PHASE, DTBCLK_DTO, 1),\
+	DCCG_SRII(PHASE, DTBCLK_DTO, 2),\
+	DCCG_SRII(PHASE, DTBCLK_DTO, 3),\
+	SR(DCCG_AUDIO_DTBCLK_DTO_MODULO),\
+	SR(DCCG_AUDIO_DTBCLK_DTO_PHASE),\
+	SR(OTG_PIXEL_RATE_DIV),\
+	SR(DTBCLK_P_CNTL),\
+	SR(DCCG_AUDIO_DTO_SOURCE)
+
+
+#define DCCG_MASK_SH_LIST_DCN32(mask_sh) \
+	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 0, mask_sh),\
+	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 0, mask_sh),\
+	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 1, mask_sh),\
+	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 1, mask_sh),\
+	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 2, mask_sh),\
+	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 2, mask_sh),\
+	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 3, mask_sh),\
+	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 3, mask_sh),\
+	DCCG_SF(DPPCLK0_DTO_PARAM, DPPCLK0_DTO_PHASE, mask_sh),\
+	DCCG_SF(DPPCLK0_DTO_PARAM, DPPCLK0_DTO_MODULO, mask_sh),\
+	DCCG_SF(HDMICHARCLK0_CLOCK_CNTL, HDMICHARCLK0_EN, mask_sh),\
+	DCCG_SF(HDMICHARCLK0_CLOCK_CNTL, HDMICHARCLK0_SRC_SEL, mask_sh),\
+	DCCG_SF(PHYASYMCLK_CLOCK_CNTL, PHYASYMCLK_FORCE_EN, mask_sh),\
+	DCCG_SF(PHYASYMCLK_CLOCK_CNTL, PHYASYMCLK_FORCE_SRC_SEL, mask_sh),\
+	DCCG_SF(PHYBSYMCLK_CLOCK_CNTL, PHYBSYMCLK_FORCE_EN, mask_sh),\
+	DCCG_SF(PHYBSYMCLK_CLOCK_CNTL, PHYBSYMCLK_FORCE_SRC_SEL, mask_sh),\
+	DCCG_SF(PHYCSYMCLK_CLOCK_CNTL, PHYCSYMCLK_FORCE_EN, mask_sh),\
+	DCCG_SF(PHYCSYMCLK_CLOCK_CNTL, PHYCSYMCLK_FORCE_SRC_SEL, mask_sh),\
+	DCCG_SF(PHYDSYMCLK_CLOCK_CNTL, PHYDSYMCLK_FORCE_EN, mask_sh),\
+	DCCG_SF(PHYDSYMCLK_CLOCK_CNTL, PHYDSYMCLK_FORCE_SRC_SEL, mask_sh),\
+	DCCG_SF(PHYESYMCLK_CLOCK_CNTL, PHYESYMCLK_FORCE_EN, mask_sh),\
+	DCCG_SF(PHYESYMCLK_CLOCK_CNTL, PHYESYMCLK_FORCE_SRC_SEL, mask_sh),\
+	DCCG_SF(DPSTREAMCLK_CNTL, DPSTREAMCLK0_EN, mask_sh),\
+	DCCG_SF(DPSTREAMCLK_CNTL, DPSTREAMCLK1_EN, mask_sh),\
+	DCCG_SF(DPSTREAMCLK_CNTL, DPSTREAMCLK2_EN, mask_sh),\
+	DCCG_SF(DPSTREAMCLK_CNTL, DPSTREAMCLK3_EN, mask_sh),\
+	DCCG_SF(DPSTREAMCLK_CNTL, DPSTREAMCLK0_SRC_SEL, mask_sh),\
+	DCCG_SF(DPSTREAMCLK_CNTL, DPSTREAMCLK1_SRC_SEL, mask_sh),\
+	DCCG_SF(DPSTREAMCLK_CNTL, DPSTREAMCLK2_SRC_SEL, mask_sh),\
+	DCCG_SF(DPSTREAMCLK_CNTL, DPSTREAMCLK3_SRC_SEL, mask_sh),\
+	DCCG_SF(HDMISTREAMCLK_CNTL, HDMISTREAMCLK0_EN, mask_sh),\
+	DCCG_SF(SYMCLK32_SE_CNTL, SYMCLK32_SE0_SRC_SEL, mask_sh),\
+	DCCG_SF(SYMCLK32_SE_CNTL, SYMCLK32_SE1_SRC_SEL, mask_sh),\
+	DCCG_SF(SYMCLK32_SE_CNTL, SYMCLK32_SE2_SRC_SEL, mask_sh),\
+	DCCG_SF(SYMCLK32_SE_CNTL, SYMCLK32_SE3_SRC_SEL, mask_sh),\
+	DCCG_SF(SYMCLK32_SE_CNTL, SYMCLK32_SE0_EN, mask_sh),\
+	DCCG_SF(SYMCLK32_SE_CNTL, SYMCLK32_SE1_EN, mask_sh),\
+	DCCG_SF(SYMCLK32_SE_CNTL, SYMCLK32_SE2_EN, mask_sh),\
+	DCCG_SF(SYMCLK32_SE_CNTL, SYMCLK32_SE3_EN, mask_sh),\
+	DCCG_SF(SYMCLK32_LE_CNTL, SYMCLK32_LE0_SRC_SEL, mask_sh),\
+	DCCG_SF(SYMCLK32_LE_CNTL, SYMCLK32_LE1_SRC_SEL, mask_sh),\
+	DCCG_SF(SYMCLK32_LE_CNTL, SYMCLK32_LE0_EN, mask_sh),\
+	DCCG_SF(SYMCLK32_LE_CNTL, SYMCLK32_LE1_EN, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, DTBCLK_DTO, ENABLE, 0, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, DTBCLK_DTO, ENABLE, 1, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, DTBCLK_DTO, ENABLE, 2, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, DTBCLK_DTO, ENABLE, 3, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, DTBCLKDTO, ENABLE_STATUS, 0, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, DTBCLKDTO, ENABLE_STATUS, 1, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, DTBCLKDTO, ENABLE_STATUS, 2, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, DTBCLKDTO, ENABLE_STATUS, 3, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, PIPE, DTO_SRC_SEL, 0, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, PIPE, DTO_SRC_SEL, 1, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, PIPE, DTO_SRC_SEL, 2, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, PIPE, DTO_SRC_SEL, 3, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, OTG, ADD_PIXEL, 0, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, OTG, ADD_PIXEL, 1, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, OTG, ADD_PIXEL, 2, mask_sh),\
+	DCCG_SFII(OTG, PIXEL_RATE_CNTL, OTG, ADD_PIXEL, 3, mask_sh),\
+	DCCG_SF(OTG_PIXEL_RATE_DIV, OTG0_PIXEL_RATE_DIVK1, mask_sh),\
+	DCCG_SF(OTG_PIXEL_RATE_DIV, OTG0_PIXEL_RATE_DIVK2, mask_sh),\
+	DCCG_SF(OTG_PIXEL_RATE_DIV, OTG1_PIXEL_RATE_DIVK1, mask_sh),\
+	DCCG_SF(OTG_PIXEL_RATE_DIV, OTG1_PIXEL_RATE_DIVK2, mask_sh),\
+	DCCG_SF(OTG_PIXEL_RATE_DIV, OTG2_PIXEL_RATE_DIVK1, mask_sh),\
+	DCCG_SF(OTG_PIXEL_RATE_DIV, OTG2_PIXEL_RATE_DIVK2, mask_sh),\
+	DCCG_SF(OTG_PIXEL_RATE_DIV, OTG3_PIXEL_RATE_DIVK1, mask_sh),\
+	DCCG_SF(OTG_PIXEL_RATE_DIV, OTG3_PIXEL_RATE_DIVK2, mask_sh),\
+	DCCG_SF(OTG_PIXEL_RATE_DIV, OTG3_PIXEL_RATE_DIVK2, mask_sh),\
+	DCCG_SF(DTBCLK_P_CNTL, DTBCLK_P0_SRC_SEL, mask_sh),\
+	DCCG_SF(DTBCLK_P_CNTL, DTBCLK_P0_EN, mask_sh),\
+	DCCG_SF(DTBCLK_P_CNTL, DTBCLK_P1_SRC_SEL, mask_sh),\
+	DCCG_SF(DTBCLK_P_CNTL, DTBCLK_P1_EN, mask_sh),\
+	DCCG_SF(DTBCLK_P_CNTL, DTBCLK_P2_SRC_SEL, mask_sh),\
+	DCCG_SF(DTBCLK_P_CNTL, DTBCLK_P2_EN, mask_sh),\
+	DCCG_SF(DTBCLK_P_CNTL, DTBCLK_P3_SRC_SEL, mask_sh),\
+	DCCG_SF(DTBCLK_P_CNTL, DTBCLK_P3_EN, mask_sh),\
+	DCCG_SF(DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL, mask_sh)
+
+
+struct dccg *dccg32_create(
+	struct dc_context *ctx,
+	const struct dccg_registers *regs,
+	const struct dccg_shift *dccg_shift,
+	const struct dccg_mask *dccg_mask);
+
+#endif //__DCN32_DCCG_H__

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_link_encoder.c

+/*
+ * Copyright 2021 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 "core_types.h"
+#include "link_encoder.h"
+#include "dcn31/dcn31_dio_link_encoder.h"
+#include "dcn32_dio_link_encoder.h"
+#include "stream_encoder.h"
+#include "i2caux_interface.h"
+#include "dc_bios_types.h"
+
+#include "gpio_service_interface.h"
+
+#ifndef MIN
+#define MIN(X, Y) ((X) < (Y) ? (X) : (Y))
+#endif
+
+#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
+
+#define AUX_REG(reg)\
+	(enc10->aux_regs->reg)
+
+#define AUX_REG_READ(reg_name) \
+		dm_read_reg(CTX, AUX_REG(reg_name))
+
+#define AUX_REG_WRITE(reg_name, val) \
+			dm_write_reg(CTX, AUX_REG(reg_name), val)
+
+
+void enc32_hw_init(struct link_encoder *enc)
+{
+	struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
+
+/*
+	00 - DP_AUX_DPHY_RX_DETECTION_THRESHOLD__1to2 : 1/2
+	01 - DP_AUX_DPHY_RX_DETECTION_THRESHOLD__3to4 : 3/4
+	02 - DP_AUX_DPHY_RX_DETECTION_THRESHOLD__7to8 : 7/8
+	03 - DP_AUX_DPHY_RX_DETECTION_THRESHOLD__15to16 : 15/16
+	04 - DP_AUX_DPHY_RX_DETECTION_THRESHOLD__31to32 : 31/32
+	05 - DP_AUX_DPHY_RX_DETECTION_THRESHOLD__63to64 : 63/64
+	06 - DP_AUX_DPHY_RX_DETECTION_THRESHOLD__127to128 : 127/128
+	07 - DP_AUX_DPHY_RX_DETECTION_THRESHOLD__255to256 : 255/256
+*/
+
+/*
+	AUX_REG_UPDATE_5(AUX_DPHY_RX_CONTROL0,
+	AUX_RX_START_WINDOW = 1 [6:4]
+	AUX_RX_RECEIVE_WINDOW = 1 default is 2 [10:8]
+	AUX_RX_HALF_SYM_DETECT_LEN  = 1 [13:12] default is 1
+	AUX_RX_TRANSITION_FILTER_EN = 1 [16] default is 1
+	AUX_RX_ALLOW_BELOW_THRESHOLD_PHASE_DETECT [17] is 0  default is 0
+	AUX_RX_ALLOW_BELOW_THRESHOLD_START [18] is 1  default is 1
+	AUX_RX_ALLOW_BELOW_THRESHOLD_STOP [19] is 1  default is 1
+	AUX_RX_PHASE_DETECT_LEN,  [21,20] = 0x3 default is 3
+	AUX_RX_DETECTION_THRESHOLD [30:28] = 1
+*/
+	AUX_REG_WRITE(AUX_DPHY_RX_CONTROL0, 0x103d1110);
+
+	AUX_REG_WRITE(AUX_DPHY_TX_CONTROL, 0x21c7a);
+
+	//AUX_DPHY_TX_REF_CONTROL'AUX_TX_REF_DIV HW default is 0x32;
+	// Set AUX_TX_REF_DIV Divider to generate 2 MHz reference from refclk
+	// 27MHz -> 0xd
+	// 100MHz -> 0x32
+	// 48MHz -> 0x18
+
+	// Set TMDS_CTL0 to 1.  This is a legacy setting.
+	REG_UPDATE(TMDS_CTL_BITS, TMDS_CTL0, 1);
+
+	dcn10_aux_initialize(enc10);
+}
+
+
+void dcn32_link_encoder_enable_dp_output(
+	struct link_encoder *enc,
+	const struct dc_link_settings *link_settings,
+	enum clock_source_id clock_source)
+{
+	if (!enc->ctx->dc->debug.avoid_vbios_exec_table) {
+		dcn10_link_encoder_enable_dp_output(enc, link_settings, clock_source);
+		return;
+	}
+}
+
+bool dcn32_link_encoder_is_in_alt_mode(struct link_encoder *enc)
+{
+	struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
+	uint32_t dp_alt_mode_disable = 0;
+	bool is_usb_c_alt_mode = false;
+
+	if (enc->features.flags.bits.DP_IS_USB_C) {
+		/* if value == 1 alt mode is disabled, otherwise it is enabled */
+		//REG_GET(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE, &dp_alt_mode_disable);
+		is_usb_c_alt_mode = (dp_alt_mode_disable == 0);
+	}
+
+	return is_usb_c_alt_mode;
+}
+
+void dcn32_link_encoder_get_max_link_cap(struct link_encoder *enc,
+	struct dc_link_settings *link_settings)
+{
+	struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
+	uint32_t is_in_usb_c_dp4_mode = 0;
+
+	dcn10_link_encoder_get_max_link_cap(enc, link_settings);
+
+	/* in usb c dp2 mode, max lane count is 2 */
+	if (enc->funcs->is_in_alt_mode && enc->funcs->is_in_alt_mode(enc)) {
+//		REG_GET(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DP4, &is_in_usb_c_dp4_mode);
+		if (!is_in_usb_c_dp4_mode)
+			link_settings->lane_count = MIN(LANE_COUNT_TWO, link_settings->lane_count);
+	}
+
+}
+
+static const struct link_encoder_funcs dcn32_link_enc_funcs = {
+	.read_state = link_enc2_read_state,
+	.validate_output_with_stream =
+			dcn30_link_encoder_validate_output_with_stream,
+	.hw_init = enc32_hw_init,
+	.setup = dcn10_link_encoder_setup,
+	.enable_tmds_output = dcn10_link_encoder_enable_tmds_output,
+	.enable_dp_output = dcn32_link_encoder_enable_dp_output,
+	.enable_dp_mst_output = dcn10_link_encoder_enable_dp_mst_output,
+	.disable_output = dcn10_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 = dcn10_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 = dcn10_get_dig_mode,
+	.is_in_alt_mode = dcn32_link_encoder_is_in_alt_mode,
+	.get_max_link_cap = dcn32_link_encoder_get_max_link_cap,
+	.set_dio_phy_mux = dcn31_link_encoder_set_dio_phy_mux,
+};
+
+void dcn32_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 = &dcn32_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;
+
+	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;
+	}
+
+	/* default to one to mirror Windows behavior */
+	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/dcn32/dcn32_dio_link_encoder.h

+/*
+ * Copyright 2021 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_LINK_ENCODER__DCN32_H__
+#define __DC_LINK_ENCODER__DCN32_H__
+
+#include "dcn30/dcn30_dio_link_encoder.h"
+
+void dcn32_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);
+
+
+#endif /* __DC_LINK_ENCODER__DCN32_H__ */

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dpp.c

+/*
+ * Copyright 2021 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 "dm_services.h"
+#include "core_types.h"
+#include "reg_helper.h"
+#include "dcn32_dpp.h"
+#include "basics/conversion.h"
+#include "dcn30/dcn30_cm_common.h"
+
+/* Compute the maximum number of lines that we can fit in the line buffer */
+void dscl32_calc_lb_num_partitions(
+		const struct scaler_data *scl_data,
+		enum lb_memory_config lb_config,
+		int *num_part_y,
+		int *num_part_c)
+{
+	int memory_line_size_y, memory_line_size_c, memory_line_size_a,
+	lb_memory_size, lb_memory_size_c, lb_memory_size_a, num_partitions_a;
+
+	int line_size = scl_data->viewport.width < scl_data->recout.width ?
+			scl_data->viewport.width : scl_data->recout.width;
+	int line_size_c = scl_data->viewport_c.width < scl_data->recout.width ?
+			scl_data->viewport_c.width : scl_data->recout.width;
+
+	if (line_size == 0)
+		line_size = 1;
+
+	if (line_size_c == 0)
+		line_size_c = 1;
+
+	memory_line_size_y = (line_size + 5) / 6; /* +5 to ceil */
+	memory_line_size_c = (line_size_c + 5) / 6; /* +5 to ceil */
+	memory_line_size_a = (line_size + 5) / 6; /* +5 to ceil */
+
+	if (lb_config == LB_MEMORY_CONFIG_1) {
+		lb_memory_size = 970;
+		lb_memory_size_c = 970;
+		lb_memory_size_a = 970;
+	} else if (lb_config == LB_MEMORY_CONFIG_2) {
+		lb_memory_size = 1290;
+		lb_memory_size_c = 1290;
+		lb_memory_size_a = 1290;
+	} else if (lb_config == LB_MEMORY_CONFIG_3) {
+		if (scl_data->viewport.width  == scl_data->h_active &&
+			scl_data->viewport.height == scl_data->v_active) {
+			/* 420 mode: luma using all 3 mem from Y, plus 3rd mem from Cr and Cb */
+			/* use increased LB size for calculation only if Scaler not enabled */
+			lb_memory_size = 970 + 1290 + 1170 + 1170 + 1170;
+			lb_memory_size_c = 970 + 1290;
+			lb_memory_size_a = 970 + 1290 + 1170;
+		} else {
+			/* 420 mode: luma using all 3 mem from Y, plus 3rd mem from Cr and Cb */
+			lb_memory_size = 970 + 1290 + 484 + 484 + 484;
+			lb_memory_size_c = 970 + 1290;
+			lb_memory_size_a = 970 + 1290 + 484;
+		}
+	} else {
+		if (scl_data->viewport.width  == scl_data->h_active &&
+			scl_data->viewport.height == scl_data->v_active) {
+			/* use increased LB size for calculation only if Scaler not enabled */
+			lb_memory_size = 970 + 1290 + 1170;
+			lb_memory_size_c = 970 + 1290 + 1170;
+			lb_memory_size_a = 970 + 1290 + 1170;
+		} else {
+			lb_memory_size = 970 + 1290 + 484;
+			lb_memory_size_c = 970 + 1290 + 484;
+			lb_memory_size_a = 970 + 1290 + 484;
+		}
+	}
+	*num_part_y = lb_memory_size / memory_line_size_y;
+	*num_part_c = lb_memory_size_c / memory_line_size_c;
+	num_partitions_a = lb_memory_size_a / memory_line_size_a;
+
+	if (scl_data->lb_params.alpha_en
+			&& (num_partitions_a < *num_part_y))
+		*num_part_y = num_partitions_a;
+
+	if (*num_part_y > 32)
+		*num_part_y = 32;
+	if (*num_part_c > 32)
+		*num_part_c = 32;
+}
+
+static struct dpp_funcs dcn32_dpp_funcs = {
+	.dpp_program_gamcor_lut		= dpp3_program_gamcor_lut,
+	.dpp_read_state				= dpp30_read_state,
+	.dpp_reset					= dpp_reset,
+	.dpp_set_scaler				= dpp1_dscl_set_scaler_manual_scale,
+	.dpp_get_optimal_number_of_taps	= dpp3_get_optimal_number_of_taps,
+	.dpp_set_gamut_remap		= dpp3_cm_set_gamut_remap,
+	.dpp_set_csc_adjustment		= NULL,
+	.dpp_set_csc_default		= NULL,
+	.dpp_program_regamma_pwl	= NULL,
+	.dpp_set_pre_degam			= dpp3_set_pre_degam,
+	.dpp_program_input_lut		= NULL,
+	.dpp_full_bypass			= dpp1_full_bypass,
+	.dpp_setup					= dpp3_cnv_setup,
+	.dpp_program_degamma_pwl	= NULL,
+	.dpp_program_cm_dealpha		= dpp3_program_cm_dealpha,
+	.dpp_program_cm_bias		= dpp3_program_cm_bias,
+
+	.dpp_program_blnd_lut		= NULL, // BLNDGAM is removed completely in DCN3.2 DPP
+	.dpp_program_shaper_lut		= NULL, // CM SHAPER block is removed in DCN3.2 DPP, (it is in MPCC, programmable before or after BLND)
+	.dpp_program_3dlut			= NULL, // CM 3DLUT block is removed in DCN3.2 DPP, (it is in MPCC, programmable before or after BLND)
+
+	.dpp_program_bias_and_scale	= NULL,
+	.dpp_cnv_set_alpha_keyer	= dpp2_cnv_set_alpha_keyer,
+	.set_cursor_attributes		= dpp3_set_cursor_attributes,
+	.set_cursor_position		= dpp1_set_cursor_position,
+	.set_optional_cursor_attributes	= dpp1_cnv_set_optional_cursor_attributes,
+	.dpp_dppclk_control			= dpp1_dppclk_control,
+	.dpp_set_hdr_multiplier		= dpp3_set_hdr_multiplier,
+};
+
+
+static struct dpp_caps dcn32_dpp_cap = {
+	.dscl_data_proc_format = DSCL_DATA_PRCESSING_FLOAT_FORMAT,
+	.max_lb_partitions = 31,
+	.dscl_calc_lb_num_partitions = dscl32_calc_lb_num_partitions,
+};
+
+bool dpp32_construct(
+	struct dcn3_dpp *dpp,
+	struct dc_context *ctx,
+	uint32_t inst,
+	const struct dcn3_dpp_registers *tf_regs,
+	const struct dcn3_dpp_shift *tf_shift,
+	const struct dcn3_dpp_mask *tf_mask)
+{
+	dpp->base.ctx = ctx;
+
+	dpp->base.inst = inst;
+	dpp->base.funcs = &dcn32_dpp_funcs;
+	dpp->base.caps = &dcn32_dpp_cap;
+
+	dpp->tf_regs = tf_regs;
+	dpp->tf_shift = tf_shift;
+	dpp->tf_mask = tf_mask;
+
+	return true;
+}

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dpp.h

+/* Copyright 2021 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 __DCN32_DPP_H__
+#define __DCN32_DPP_H__
+
+#include "dcn20/dcn20_dpp.h"
+#include "dcn30/dcn30_dpp.h"
+
+bool dpp32_construct(struct dcn3_dpp *dpp3,
+	struct dc_context *ctx,
+	uint32_t inst,
+	const struct dcn3_dpp_registers *tf_regs,
+	const struct dcn3_dpp_shift *tf_shift,
+	const struct dcn3_dpp_mask *tf_mask);
+
+#endif /* __DCN32_DPP_H__ */

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hpo_dp_link_encoder.c

+/*
+ * Copyright 2019 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 "dc_bios_types.h"
+#include "dcn31/dcn31_hpo_dp_link_encoder.h"
+#include "dcn32_hpo_dp_link_encoder.h"
+#include "reg_helper.h"
+#include "dc_link.h"
+#include "stream_encoder.h"
+
+#define DC_LOGGER \
+		enc3->base.ctx->logger
+
+#define REG(reg)\
+	(enc3->regs->reg)
+
+#undef FN
+#define FN(reg_name, field_name) \
+	enc3->hpo_le_shift->field_name, enc3->hpo_le_mask->field_name
+
+#define CTX \
+	enc3->base.ctx
+
+static bool dcn32_hpo_dp_link_enc_is_in_alt_mode(
+		struct hpo_dp_link_encoder *enc)
+{
+	struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc);
+	uint32_t dp_alt_mode_disable = 0;
+
+	ASSERT((enc->transmitter >= TRANSMITTER_UNIPHY_A) && (enc->transmitter <= TRANSMITTER_UNIPHY_E));
+
+	/* if value == 1 alt mode is disabled, otherwise it is enabled */
+	REG_GET(RDPCSTX_PHY_CNTL6[enc->transmitter], RDPCS_PHY_DPALT_DISABLE, &dp_alt_mode_disable);
+	return (dp_alt_mode_disable == 0);
+}
+
+
+
+static struct hpo_dp_link_encoder_funcs dcn32_hpo_dp_link_encoder_funcs = {
+	.enable_link_phy = dcn31_hpo_dp_link_enc_enable_dp_output,
+	.disable_link_phy = dcn31_hpo_dp_link_enc_disable_output,
+	.link_enable = dcn31_hpo_dp_link_enc_enable,
+	.link_disable = dcn31_hpo_dp_link_enc_disable,
+	.set_link_test_pattern = dcn31_hpo_dp_link_enc_set_link_test_pattern,
+	.update_stream_allocation_table = dcn31_hpo_dp_link_enc_update_stream_allocation_table,
+	.set_throttled_vcp_size = dcn31_hpo_dp_link_enc_set_throttled_vcp_size,
+	.is_in_alt_mode = dcn32_hpo_dp_link_enc_is_in_alt_mode,
+	.read_state = dcn31_hpo_dp_link_enc_read_state,
+	.set_ffe = dcn31_hpo_dp_link_enc_set_ffe,
+};
+
+void hpo_dp_link_encoder32_construct(struct dcn31_hpo_dp_link_encoder *enc31,
+		struct dc_context *ctx,
+		uint32_t inst,
+		const struct dcn31_hpo_dp_link_encoder_registers *hpo_le_regs,
+		const struct dcn31_hpo_dp_link_encoder_shift *hpo_le_shift,
+		const struct dcn31_hpo_dp_link_encoder_mask *hpo_le_mask)
+{
+	enc31->base.ctx = ctx;
+
+	enc31->base.inst = inst;
+	enc31->base.funcs = &dcn32_hpo_dp_link_encoder_funcs;
+	enc31->base.hpd_source = HPD_SOURCEID_UNKNOWN;
+	enc31->base.transmitter = TRANSMITTER_UNKNOWN;
+
+	enc31->regs = hpo_le_regs;
+	enc31->hpo_le_shift = hpo_le_shift;
+	enc31->hpo_le_mask = hpo_le_mask;
+}

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hpo_dp_link_encoder.h

+/*
+ * Copyright 2021 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 __DAL_DCN32_HPO_DP_LINK_ENCODER_H__
+#define __DAL_DCN32_HPO_DP_LINK_ENCODER_H__
+
+#include "link_encoder.h"
+
+#define DCN3_2_HPO_DP_LINK_ENC_MASK_SH_LIST(mask_sh)\
+	SE_SF(DP_LINK_ENC0_DP_LINK_ENC_CLOCK_CONTROL, DP_LINK_ENC_CLOCK_EN, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_CONTROL, DPHY_RESET, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_CONTROL, DPHY_ENABLE, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_CONTROL, PRECODER_ENABLE, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_CONTROL, MODE, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_CONTROL, NUM_LANES, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_STATUS, STATUS, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_STATUS, SAT_UPDATE_PENDING, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_STATUS, RATE_UPDATE_PENDING, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CUSTOM0, TP_CUSTOM, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_SELECT0, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_SELECT1, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_SELECT2, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_SELECT3, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_PRBS_SEL0, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_PRBS_SEL1, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_PRBS_SEL2, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_PRBS_SEL3, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_SAT_VC0, SAT_STREAM_SOURCE, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_SAT_VC0, SAT_SLOT_COUNT, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_VC_RATE_CNTL0, STREAM_VC_RATE_X, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_VC_RATE_CNTL0, STREAM_VC_RATE_Y, mask_sh),\
+	SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_SAT_UPDATE, SAT_UPDATE, mask_sh)
+
+void hpo_dp_link_encoder32_construct(struct dcn31_hpo_dp_link_encoder *enc31,
+	struct dc_context *ctx,
+	uint32_t inst,
+	const struct dcn31_hpo_dp_link_encoder_registers *hpo_le_regs,
+	const struct dcn31_hpo_dp_link_encoder_shift *hpo_le_shift,
+	const struct dcn31_hpo_dp_link_encoder_mask *hpo_le_mask);
+
+#endif   // __DAL_DCN32_HPO_DP_LINK_ENCODER_H__

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.h

+/*
+ * Copyright 2016 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_HUBBUB_DCN32_H__
+#define __DC_HUBBUB_DCN32_H__
+
+#include "dcn21/dcn21_hubbub.h"
+
+#define HUBBUB_REG_LIST_DCN32(id)\
+	SR(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A),\
+	SR(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_B),\
+	SR(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_C),\
+	SR(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_D),\
+	SR(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL),\
+	SR(DCHUBBUB_ARB_DRAM_STATE_CNTL),\
+	SR(DCHUBBUB_ARB_SAT_LEVEL),\
+	SR(DCHUBBUB_ARB_DF_REQ_OUTSTAND),\
+	SR(DCHUBBUB_GLOBAL_TIMER_CNTL), \
+	SR(DCHUBBUB_SOFT_RESET),\
+	SR(DCHUBBUB_CRC_CTRL), \
+	SR(DCN_VM_FB_LOCATION_BASE),\
+	SR(DCN_VM_FB_LOCATION_TOP),\
+	SR(DCN_VM_FB_OFFSET),\
+	SR(DCN_VM_AGP_BOT),\
+	SR(DCN_VM_AGP_TOP),\
+	SR(DCN_VM_AGP_BASE),\
+	HUBBUB_SR_WATERMARK_REG_LIST(), \
+	SR(DCHUBBUB_ARB_FRAC_URG_BW_NOM_A),\
+	SR(DCHUBBUB_ARB_FRAC_URG_BW_NOM_B),\
+	SR(DCHUBBUB_ARB_FRAC_URG_BW_NOM_C),\
+	SR(DCHUBBUB_ARB_FRAC_URG_BW_NOM_D),\
+	SR(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_A),\
+	SR(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_B),\
+	SR(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_C),\
+	SR(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_D),\
+	SR(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A),\
+	SR(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B),\
+	SR(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C),\
+	SR(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D),\
+	SR(DCHUBBUB_DET0_CTRL),\
+	SR(DCHUBBUB_DET1_CTRL),\
+	SR(DCHUBBUB_DET2_CTRL),\
+	SR(DCHUBBUB_DET3_CTRL),\
+	SR(DCHUBBUB_COMPBUF_CTRL),\
+	SR(COMPBUF_RESERVED_SPACE),\
+	SR(DCHUBBUB_ARB_USR_RETRAINING_CNTL),\
+	SR(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_A),\
+	SR(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_B),\
+	SR(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_C),\
+	SR(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_D),\
+	SR(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_A),\
+	SR(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_B),\
+	SR(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_C),\
+	SR(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_D),\
+	SR(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_A),\
+	SR(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_B),\
+	SR(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_C),\
+	SR(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_D),\
+	SR(DCN_VM_FAULT_ADDR_MSB),\
+	SR(DCN_VM_FAULT_ADDR_LSB),\
+	SR(DCN_VM_FAULT_CNTL),\
+	SR(DCN_VM_FAULT_STATUS)
+
+#define HUBBUB_MASK_SH_LIST_DCN32(mask_sh)\
+	HUBBUB_SF(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_SOFT_RESET, DCHUBBUB_GLOBAL_SOFT_RESET, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL, DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL, DCHUBBUB_ARB_WATERMARK_CHANGE_DONE_INTERRUPT_DISABLE, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_DRAM_STATE_CNTL, DCHUBBUB_ARB_ALLOW_SELF_REFRESH_FORCE_VALUE, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_DRAM_STATE_CNTL, DCHUBBUB_ARB_ALLOW_SELF_REFRESH_FORCE_ENABLE, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_DRAM_STATE_CNTL, DCHUBBUB_ARB_ALLOW_PSTATE_CHANGE_FORCE_VALUE, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_DRAM_STATE_CNTL, DCHUBBUB_ARB_ALLOW_PSTATE_CHANGE_FORCE_ENABLE, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_SAT_LEVEL, DCHUBBUB_ARB_SAT_LEVEL, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_DF_REQ_OUTSTAND, DCHUBBUB_ARB_MIN_REQ_OUTSTAND, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A, DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_B, DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_B, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_C, DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_C, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_D, DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_D, mask_sh), \
+	HUBBUB_MASK_SH_LIST_STUTTER(mask_sh), \
+	HUBBUB_SF(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_REFDIV, mask_sh), \
+	HUBBUB_SF(DCN_VM_FB_LOCATION_BASE, FB_BASE, mask_sh), \
+	HUBBUB_SF(DCN_VM_FB_LOCATION_TOP, FB_TOP, mask_sh), \
+	HUBBUB_SF(DCN_VM_FB_OFFSET, FB_OFFSET, mask_sh), \
+	HUBBUB_SF(DCN_VM_AGP_BOT, AGP_BOT, mask_sh), \
+	HUBBUB_SF(DCN_VM_AGP_TOP, AGP_TOP, mask_sh), \
+	HUBBUB_SF(DCN_VM_AGP_BASE, AGP_BASE, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_A, DCHUBBUB_ARB_FRAC_URG_BW_FLIP_A, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_B, DCHUBBUB_ARB_FRAC_URG_BW_FLIP_B, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_C, DCHUBBUB_ARB_FRAC_URG_BW_FLIP_C, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_D, DCHUBBUB_ARB_FRAC_URG_BW_FLIP_D, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_FRAC_URG_BW_NOM_A, DCHUBBUB_ARB_FRAC_URG_BW_NOM_A, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_FRAC_URG_BW_NOM_B, DCHUBBUB_ARB_FRAC_URG_BW_NOM_B, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_FRAC_URG_BW_NOM_C, DCHUBBUB_ARB_FRAC_URG_BW_NOM_C, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_FRAC_URG_BW_NOM_D, DCHUBBUB_ARB_FRAC_URG_BW_NOM_D, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A, DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_DET0_CTRL, DET0_SIZE, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_DET0_CTRL, DET0_SIZE_CURRENT, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_DET1_CTRL, DET1_SIZE, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_DET1_CTRL, DET1_SIZE_CURRENT, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_DET2_CTRL, DET2_SIZE, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_DET2_CTRL, DET2_SIZE_CURRENT, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_DET3_CTRL, DET3_SIZE, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_DET3_CTRL, DET3_SIZE_CURRENT, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_COMPBUF_CTRL, COMPBUF_SIZE, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_COMPBUF_CTRL, COMPBUF_SIZE_CURRENT, mask_sh),\
+	HUBBUB_SF(COMPBUF_RESERVED_SPACE, COMPBUF_RESERVED_SPACE_64B, mask_sh),\
+	HUBBUB_SF(COMPBUF_RESERVED_SPACE, COMPBUF_RESERVED_SPACE_ZS, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_ARB_USR_RETRAINING_CNTL, DCHUBBUB_ARB_ALLOW_USR_RETRAINING_FORCE_VALUE, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_ARB_USR_RETRAINING_CNTL, DCHUBBUB_ARB_ALLOW_USR_RETRAINING_FORCE_ENABLE, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_ARB_USR_RETRAINING_CNTL, DCHUBBUB_ARB_DO_NOT_FORCE_ALLOW_USR_RETRAINING_DURING_PSTATE_CHANGE_REQUEST, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_ARB_USR_RETRAINING_CNTL, DCHUBBUB_ARB_DO_NOT_FORCE_ALLOW_USR_RETRAINING_DURING_PRE_CSTATE, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_A, DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_A, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_B, DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_B, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_C, DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_C, mask_sh), \
+	HUBBUB_SF(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_D, DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_D, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_A, DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_A, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_B, DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_B, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_C, DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_C, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_D, DCHUBBUB_ARB_UCLK_PSTATE_CHANGE_WATERMARK_D, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_A, DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_A, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_B, DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_B, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_C, DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_C, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_D, DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_D, mask_sh), \
+	HUBBUB_SF(DCN_VM_FAULT_ADDR_MSB, DCN_VM_FAULT_ADDR_MSB, mask_sh), \
+	HUBBUB_SF(DCN_VM_FAULT_ADDR_LSB, DCN_VM_FAULT_ADDR_LSB, mask_sh), \
+	HUBBUB_SF(DCN_VM_FAULT_CNTL, DCN_VM_ERROR_STATUS_CLEAR, mask_sh), \
+	HUBBUB_SF(DCN_VM_FAULT_CNTL, DCN_VM_ERROR_STATUS_MODE, mask_sh), \
+	HUBBUB_SF(DCN_VM_FAULT_CNTL, DCN_VM_ERROR_INTERRUPT_ENABLE, mask_sh), \
+	HUBBUB_SF(DCN_VM_FAULT_CNTL, DCN_VM_RANGE_FAULT_DISABLE, mask_sh), \
+	HUBBUB_SF(DCN_VM_FAULT_CNTL, DCN_VM_PRQ_FAULT_DISABLE, mask_sh), \
+	HUBBUB_SF(DCN_VM_FAULT_STATUS, DCN_VM_ERROR_STATUS, mask_sh), \
+	HUBBUB_SF(DCN_VM_FAULT_STATUS, DCN_VM_ERROR_VMID, mask_sh), \
+	HUBBUB_SF(DCN_VM_FAULT_STATUS, DCN_VM_ERROR_TABLE_LEVEL, mask_sh), \
+	HUBBUB_SF(DCN_VM_FAULT_STATUS, DCN_VM_ERROR_PIPE, mask_sh), \
+	HUBBUB_SF(DCN_VM_FAULT_STATUS, DCN_VM_ERROR_INTERRUPT_STATUS, mask_sh)
+
+
+void hubbub32_construct(struct dcn20_hubbub *hubbub2,
+	struct dc_context *ctx,
+	const struct dcn_hubbub_registers *hubbub_regs,
+	const struct dcn_hubbub_shift *hubbub_shift,
+	const struct dcn_hubbub_mask *hubbub_mask,
+	int det_size_kb,
+	int pixel_chunk_size_kb,
+	int config_return_buffer_size_kb);
+
+#endif

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubp.c

+/*
+ * Copyright 2012-20 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 "dm_services.h"
+#include "dce_calcs.h"
+#include "reg_helper.h"
+#include "basics/conversion.h"
+#include "dcn32_hubp.h"
+
+#define REG(reg)\
+	hubp2->hubp_regs->reg
+
+#define CTX \
+	hubp2->base.ctx
+
+#undef FN
+#define FN(reg_name, field_name) \
+	hubp2->hubp_shift->field_name, hubp2->hubp_mask->field_name
+
+void hubp32_update_force_pstate_disallow(struct hubp *hubp, bool pstate_disallow)
+{
+	struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
+	REG_UPDATE_2(UCLK_PSTATE_FORCE,
+			DATA_UCLK_PSTATE_FORCE_EN, pstate_disallow,
+			DATA_UCLK_PSTATE_FORCE_VALUE, 0);
+}
+
+void hubp32_update_mall_sel(struct hubp *hubp, uint32_t mall_sel)
+{
+	struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
+
+	// Also cache cursor in MALL if using MALL for SS
+	REG_UPDATE_2(DCHUBP_MALL_CONFIG, USE_MALL_SEL, mall_sel,
+			USE_MALL_FOR_CURSOR, mall_sel == 2 ? 1 : 0);
+}
+
+void hubp32_prepare_subvp_buffering(struct hubp *hubp, bool enable)
+{
+	struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
+	REG_UPDATE(DCHUBP_VMPG_CONFIG, FORCE_ONE_ROW_FOR_FRAME, enable);
+
+	/* Programming guide suggests CURSOR_REQ_MODE = 1 for SubVP:
+	 * For Pstate change using the MALL with sub-viewport buffering,
+	 * the cursor does not use the MALL (USE_MALL_FOR_CURSOR is ignored)
+	 * and sub-viewport positioning by Display FW has to avoid the cursor
+	 * requests to DRAM (set CURSOR_REQ_MODE = 1 to minimize this exclusion).
+	 *
+	 * CURSOR_REQ_MODE = 1 begins fetching cursor data at the beginning of display prefetch.
+	 * Setting this should allow the sub-viewport position to always avoid the cursor because
+	 * we do not allow the sub-viewport region to overlap with display prefetch (i.e. during blank).
+	 */
+	REG_UPDATE(CURSOR_CONTROL, CURSOR_REQ_MODE, enable);
+}
+
+void hubp32_phantom_hubp_post_enable(struct hubp *hubp)
+{
+	uint32_t reg_val;
+	struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
+
+	REG_UPDATE(DCHUBP_CNTL, HUBP_BLANK_EN, 1);
+	reg_val = REG_READ(DCHUBP_CNTL);
+	if (reg_val) {
+		/* init sequence workaround: in case HUBP is
+		 * power gated, this wait would timeout.
+		 *
+		 * we just wrote reg_val to non-0, if it stay 0
+		 * it means HUBP is gated
+		 */
+		REG_WAIT(DCHUBP_CNTL,
+				HUBP_NO_OUTSTANDING_REQ, 1,
+				1, 200);
+	}
+}
+
+static struct hubp_funcs dcn32_hubp_funcs = {
+	.hubp_enable_tripleBuffer = hubp2_enable_triplebuffer,
+	.hubp_is_triplebuffer_enabled = hubp2_is_triplebuffer_enabled,
+	.hubp_program_surface_flip_and_addr = hubp3_program_surface_flip_and_addr,
+	.hubp_program_surface_config = hubp3_program_surface_config,
+	.hubp_is_flip_pending = hubp2_is_flip_pending,
+	.hubp_setup = hubp3_setup,
+	.hubp_setup_interdependent = hubp2_setup_interdependent,
+	.hubp_set_vm_system_aperture_settings = hubp3_set_vm_system_aperture_settings,
+	.set_blank = hubp2_set_blank,
+	.dcc_control = hubp3_dcc_control,
+	.mem_program_viewport = min_set_viewport,
+	.set_cursor_attributes	= hubp2_cursor_set_attributes,
+	.set_cursor_position	= hubp2_cursor_set_position,
+	.hubp_clk_cntl = hubp2_clk_cntl,
+	.hubp_vtg_sel = hubp2_vtg_sel,
+	.dmdata_set_attributes = hubp3_dmdata_set_attributes,
+	.dmdata_load = hubp2_dmdata_load,
+	.dmdata_status_done = hubp2_dmdata_status_done,
+	.hubp_read_state = hubp3_read_state,
+	.hubp_clear_underflow = hubp2_clear_underflow,
+	.hubp_set_flip_control_surface_gsl = hubp2_set_flip_control_surface_gsl,
+	.hubp_init = hubp3_init,
+	.set_unbounded_requesting = hubp31_set_unbounded_requesting,
+	.hubp_soft_reset = hubp31_soft_reset,
+	.hubp_in_blank = hubp1_in_blank,
+	.hubp_update_force_pstate_disallow = hubp32_update_force_pstate_disallow,
+	.phantom_hubp_post_enable = hubp32_phantom_hubp_post_enable,
+	.hubp_update_mall_sel = hubp32_update_mall_sel,
+	.hubp_prepare_subvp_buffering = hubp32_prepare_subvp_buffering,
+	.hubp_set_flip_int = hubp1_set_flip_int
+};
+
+bool hubp32_construct(
+	struct dcn20_hubp *hubp2,
+	struct dc_context *ctx,
+	uint32_t inst,
+	const struct dcn_hubp2_registers *hubp_regs,
+	const struct dcn_hubp2_shift *hubp_shift,
+	const struct dcn_hubp2_mask *hubp_mask)
+{
+	hubp2->base.funcs = &dcn32_hubp_funcs;
+	hubp2->base.ctx = ctx;
+	hubp2->hubp_regs = hubp_regs;
+	hubp2->hubp_shift = hubp_shift;
+	hubp2->hubp_mask = hubp_mask;
+	hubp2->base.inst = inst;
+	hubp2->base.opp_id = OPP_ID_INVALID;
+	hubp2->base.mpcc_id = 0xf;
+
+	return true;
+}

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubp.h

+/*
+ * Copyright 2012-20 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_HUBP_DCN32_H__
+#define __DC_HUBP_DCN32_H__
+
+#include "dcn20/dcn20_hubp.h"
+#include "dcn21/dcn21_hubp.h"
+#include "dcn30/dcn30_hubp.h"
+#include "dcn31/dcn31_hubp.h"
+
+#define HUBP_REG_LIST_DCN32(id)\
+	HUBP_REG_LIST_DCN30(id),\
+	SRI(DCHUBP_MALL_CONFIG, HUBP, id),\
+	SRI(DCHUBP_VMPG_CONFIG, HUBP, id),\
+	SRI(UCLK_PSTATE_FORCE, HUBPREQ, id)
+
+#define HUBP_MASK_SH_LIST_DCN32(mask_sh)\
+	HUBP_MASK_SH_LIST_DCN31(mask_sh),\
+	HUBP_SF(HUBP0_DCHUBP_MALL_CONFIG, USE_MALL_SEL, mask_sh),\
+	HUBP_SF(HUBP0_DCHUBP_MALL_CONFIG, USE_MALL_FOR_CURSOR, mask_sh),\
+	HUBP_SF(HUBP0_DCHUBP_VMPG_CONFIG, VMPG_SIZE, mask_sh),\
+	HUBP_SF(HUBP0_DCHUBP_VMPG_CONFIG, PTE_BUFFER_MODE, mask_sh),\
+	HUBP_SF(HUBP0_DCHUBP_VMPG_CONFIG, BIGK_FRAGMENT_SIZE, mask_sh),\
+	HUBP_SF(HUBP0_DCHUBP_VMPG_CONFIG, FORCE_ONE_ROW_FOR_FRAME, mask_sh),\
+	HUBP_SF(HUBPREQ0_UCLK_PSTATE_FORCE, DATA_UCLK_PSTATE_FORCE_EN, mask_sh),\
+	HUBP_SF(HUBPREQ0_UCLK_PSTATE_FORCE, DATA_UCLK_PSTATE_FORCE_VALUE, mask_sh),\
+	HUBP_SF(HUBPREQ0_UCLK_PSTATE_FORCE, CURSOR_UCLK_PSTATE_FORCE_EN, mask_sh),\
+	HUBP_SF(HUBPREQ0_UCLK_PSTATE_FORCE, CURSOR_UCLK_PSTATE_FORCE_VALUE, mask_sh)
+
+void hubp32_update_force_pstate_disallow(struct hubp *hubp, bool pstate_disallow);
+
+void hubp32_update_mall_sel(struct hubp *hubp, uint32_t mall_sel);
+
+void hubp32_prepare_subvp_buffering(struct hubp *hubp, bool enable);
+
+void hubp32_phantom_hubp_post_enable(struct hubp *hubp);
+
+bool hubp32_construct(
+	struct dcn20_hubp *hubp2,
+	struct dc_context *ctx,
+	uint32_t inst,
+	const struct dcn_hubp2_registers *hubp_regs,
+	const struct dcn_hubp2_shift *hubp_shift,
+	const struct dcn_hubp2_mask *hubp_mask);
+
+#endif /* __DC_HUBP_DCN32_H__ */

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.h

+/*
+* Copyright 2016 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_HWSS_DCN32_H__
+#define __DC_HWSS_DCN32_H__
+
+#include "hw_sequencer_private.h"
+
+struct dc;
+
+void dcn32_dsc_pg_control(
+		struct dce_hwseq *hws,
+		unsigned int dsc_inst,
+		bool power_on);
+
+void dcn32_enable_power_gating_plane(
+	struct dce_hwseq *hws,
+	bool enable);
+
+void dcn32_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on);
+
+bool dcn32_apply_idle_power_optimizations(struct dc *dc, bool enable);
+
+void dcn32_cab_for_ss_control(struct dc *dc, bool enable);
+
+void dcn32_commit_subvp_config(struct dc *dc, struct dc_state *context);
+
+bool dcn32_set_output_transfer_func(struct dc *dc,
+				struct pipe_ctx *pipe_ctx,
+				const struct dc_stream_state *stream);
+
+void dcn32_init_hw(struct dc *dc);
+
+void dcn32_program_mall_pipe_config(struct dc *dc, struct dc_state *context);
+
+void dcn32_update_mall_sel(struct dc *dc, struct dc_state *context);
+
+void dcn32_subvp_update_force_pstate(struct dc *dc, struct dc_state *context);
+
+void dcn32_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx);
+
+#endif /* __DC_HWSS_DCN32_H__ */

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c

+/*
+ * Copyright 2022 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 "dce110/dce110_hw_sequencer.h"
+#include "dcn10/dcn10_hw_sequencer.h"
+#include "dcn20/dcn20_hwseq.h"
+#include "dcn21/dcn21_hwseq.h"
+#include "dcn30/dcn30_hwseq.h"
+#include "dcn31/dcn31_hwseq.h"
+#include "dcn32_hwseq.h"
+
+static const struct hw_sequencer_funcs dcn32_funcs = {
+	.program_gamut_remap = dcn10_program_gamut_remap,
+	.init_hw = dcn32_init_hw,
+	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
+	.apply_ctx_for_surface = NULL,
+	.program_front_end_for_ctx = dcn20_program_front_end_for_ctx,
+	.wait_for_pending_cleared = dcn10_wait_for_pending_cleared,
+	.post_unlock_program_front_end = dcn20_post_unlock_program_front_end,
+	.update_plane_addr = dcn20_update_plane_addr,
+	.update_dchub = dcn10_update_dchub,
+	.update_pending_status = dcn10_update_pending_status,
+	.program_output_csc = dcn20_program_output_csc,
+	.enable_accelerated_mode = dce110_enable_accelerated_mode,
+	.enable_timing_synchronization = dcn10_enable_timing_synchronization,
+	.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
+	.update_info_frame = dcn31_update_info_frame,
+	.send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
+	.enable_stream = dcn20_enable_stream,
+	.disable_stream = dce110_disable_stream,
+	.unblank_stream = dcn20_unblank_stream,
+	.blank_stream = dce110_blank_stream,
+	.enable_audio_stream = dce110_enable_audio_stream,
+	.disable_audio_stream = dce110_disable_audio_stream,
+	.disable_plane = dcn20_disable_plane,
+	.pipe_control_lock = dcn20_pipe_control_lock,
+	.interdependent_update_lock = dcn10_lock_all_pipes,
+	.cursor_lock = dcn10_cursor_lock,
+	.prepare_bandwidth = dcn20_prepare_bandwidth,
+	.optimize_bandwidth = dcn20_optimize_bandwidth,
+	.update_bandwidth = dcn20_update_bandwidth,
+	.set_drr = dcn10_set_drr,
+	.get_position = dcn10_get_position,
+	.set_static_screen_control = dcn10_set_static_screen_control,
+	.setup_stereo = dcn10_setup_stereo,
+	.set_avmute = dcn30_set_avmute,
+	.log_hw_state = dcn10_log_hw_state,
+	.get_hw_state = dcn10_get_hw_state,
+	.clear_status_bits = dcn10_clear_status_bits,
+	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.edp_power_control = dce110_edp_power_control,
+	.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+	.edp_wait_for_T12 = dce110_edp_wait_for_T12,
+	.set_cursor_position = dcn10_set_cursor_position,
+	.set_cursor_attribute = dcn10_set_cursor_attribute,
+	.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
+	.setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
+	.set_clock = dcn10_set_clock,
+	.get_clock = dcn10_get_clock,
+	.program_triplebuffer = dcn20_program_triple_buffer,
+	.enable_writeback = dcn30_enable_writeback,
+	.disable_writeback = dcn30_disable_writeback,
+	.update_writeback = dcn30_update_writeback,
+	.mmhubbub_warmup = dcn30_mmhubbub_warmup,
+	.dmdata_status_done = dcn20_dmdata_status_done,
+	.program_dmdata_engine = dcn30_program_dmdata_engine,
+	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
+	.init_sys_ctx = dcn20_init_sys_ctx,
+	.init_vm_ctx = dcn20_init_vm_ctx,
+	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
+	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+	.calc_vupdate_position = dcn10_calc_vupdate_position,
+	.apply_idle_power_optimizations = dcn32_apply_idle_power_optimizations,
+	.does_plane_fit_in_mall = dcn30_does_plane_fit_in_mall,
+	.set_backlight_level = dcn21_set_backlight_level,
+	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
+	.hardware_release = dcn30_hardware_release,
+	.set_pipe = dcn21_set_pipe,
+	.set_disp_pattern_generator = dcn30_set_disp_pattern_generator,
+	.get_dcc_en_bits = dcn10_get_dcc_en_bits,
+	.commit_subvp_config = dcn32_commit_subvp_config,
+	.update_visual_confirm_color = dcn20_update_visual_confirm_color,
+};
+
+static const struct hwseq_private_funcs dcn32_private_funcs = {
+	.init_pipes = dcn10_init_pipes,
+	.update_plane_addr = dcn20_update_plane_addr,
+	.plane_atomic_disconnect = dcn10_plane_atomic_disconnect,
+	.update_mpcc = dcn20_update_mpcc,
+	.set_input_transfer_func = dcn30_set_input_transfer_func,
+	.set_output_transfer_func = dcn32_set_output_transfer_func,
+	.power_down = dce110_power_down,
+	.enable_display_power_gating = dcn10_dummy_display_power_gating,
+	.blank_pixel_data = dcn20_blank_pixel_data,
+	.reset_hw_ctx_wrap = dcn20_reset_hw_ctx_wrap,
+	.enable_stream_timing = dcn20_enable_stream_timing,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.disable_stream_gating = dcn20_disable_stream_gating,
+	.enable_stream_gating = dcn20_enable_stream_gating,
+	.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
+	.did_underflow_occur = dcn10_did_underflow_occur,
+	.init_blank = dcn20_init_blank,
+	.disable_vga = dcn20_disable_vga,
+	.bios_golden_init = dcn10_bios_golden_init,
+	.plane_atomic_disable = dcn20_plane_atomic_disable,
+	.plane_atomic_power_down = dcn10_plane_atomic_power_down,
+	.enable_power_gating_plane = dcn32_enable_power_gating_plane,
+	.hubp_pg_control = dcn32_hubp_pg_control,
+	.program_all_writeback_pipes_in_tree = dcn30_program_all_writeback_pipes_in_tree,
+	.update_odm = dcn32_update_odm,
+	.dsc_pg_control = dcn32_dsc_pg_control,
+	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
+	.verify_allow_pstate_change_high = dcn10_verify_allow_pstate_change_high,
+	.wait_for_blank_complete = dcn20_wait_for_blank_complete,
+	.dccg_init = dcn20_dccg_init,
+	.set_blend_lut = dcn30_set_blend_lut,
+	.set_shaper_3dlut = dcn20_set_shaper_3dlut,
+	.program_mall_pipe_config = dcn32_program_mall_pipe_config,
+	.subvp_update_force_pstate = dcn32_subvp_update_force_pstate,
+	.update_mall_sel = dcn32_update_mall_sel,
+};
+
+void dcn32_hw_sequencer_init_functions(struct dc *dc)
+{
+	dc->hwss = dcn32_funcs;
+	dc->hwseq->funcs = dcn32_private_funcs;
+
+	if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
+		dc->hwss.init_hw = dcn20_fpga_init_hw;
+		dc->hwseq->funcs.init_pipes = NULL;
+	}
+}

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.h

+/*
+ * Copyright 2022 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_DCN32_INIT_H__
+#define __DC_DCN32_INIT_H__
+
+struct dc;
+
+void dcn32_hw_sequencer_init_functions(struct dc *dc);
+
+#endif /* __DC_DCN32_INIT_H__ */

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h

+/*
+ * Copyright 2020 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 _DCN32_RESOURCE_H_
+#define _DCN32_RESOURCE_H_
+
+#include "core_types.h"
+
+#define TO_DCN32_RES_POOL(pool)\
+	container_of(pool, struct dcn32_resource_pool, base)
+
+struct dcn32_resource_pool {
+	struct resource_pool base;
+};
+
+struct resource_pool *dcn32_create_resource_pool(
+		const struct dc_init_data *init_data,
+		struct dc *dc);
+
+void dcn32_calculate_dlg_params(
+		struct dc *dc, struct dc_state *context,
+		display_e2e_pipe_params_st *pipes,
+		int pipe_cnt,
+		int vlevel);
+
+struct panel_cntl *dcn32_panel_cntl_create(
+		const struct panel_cntl_init_data *init_data);
+
+bool dcn32_acquire_post_bldn_3dlut(
+		struct resource_context *res_ctx,
+		const struct resource_pool *pool,
+		int mpcc_id,
+		struct dc_3dlut **lut,
+		struct dc_transfer_func **shaper);
+
+bool dcn32_release_post_bldn_3dlut(
+		struct resource_context *res_ctx,
+		const struct resource_pool *pool,
+		struct dc_3dlut **lut,
+		struct dc_transfer_func **shaper);
+
+void dcn32_remove_phantom_pipes(struct dc *dc,
+		struct dc_state *context);
+
+void dcn32_add_phantom_pipes(struct dc *dc,
+		struct dc_state *context,
+		display_e2e_pipe_params_st *pipes,
+		unsigned int pipe_cnt,
+		unsigned int index);
+
+bool dcn32_validate_bandwidth(struct dc *dc,
+		struct dc_state *context,
+		bool fast_validate);
+
+int dcn32_populate_dml_pipes_from_context(
+	struct dc *dc, struct dc_state *context,
+	display_e2e_pipe_params_st *pipes,
+	bool fast_validate);
+
+void dcn32_calculate_wm_and_dlg(
+		struct dc *dc, struct dc_state *context,
+		display_e2e_pipe_params_st *pipes,
+		int pipe_cnt,
+		int vlevel);
+
+#endif /* _DCN32_RESOURCE_H_ */

drivers/gpu/drm/amd/display/dc/dcn321/Makefile

+#
+# (c) Copyright 2020 Advanced Micro Devices, Inc. All the rights reserved
+#
+#  All rights reserved.  This notice is intended as a precaution against
+#  inadvertent publication and does not imply publication or any waiver
+#  of confidentiality.  The year included in the foregoing notice is the
+#  year of creation of the work.
+#
+#  Authors: AMD
+#
+# Makefile for dcn321.
+
+DCN321 = dcn321_resource.o
+
+CFLAGS_$(AMDDALPATH)/dc/dcn321/dcn321_resource.o := -mhard-float -msse
+
+ifdef CONFIG_CC_IS_GCC
+ifeq ($(call cc-ifversion, -lt, 0701, y), y)
+IS_OLD_GCC = 1
+endif
+endif
+
+ifdef IS_OLD_GCC
+# Stack alignment mismatch, proceed with caution.
+# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
+# (8B stack alignment).
+CFLAGS_$(AMDDALPATH)/dc/dcn321/dcn321_resource.o += -mpreferred-stack-boundary=4
+else
+CFLAGS_$(AMDDALPATH)/dc/dcn321/dcn321_resource.o += -msse2
+endif
+
+AMD_DAL_DCN321 = $(addprefix $(AMDDALPATH)/dc/dcn321/,$(DCN321))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_DCN321)

drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c

+// SPDX-License-Identifier: MIT
 /*
  * Copyright 2019 Advanced Micro Devices, Inc.
  *
@@ -23,7 +24,6 @@
  *
  */
 
-
 #include "dm_services.h"
 #include "dc.h"
 
@@ -98,28 +98,25 @@
 #define MAX_INSTANCE                                        8
 #define MAX_SEGMENT                                         6
 
-
-struct IP_BASE_INSTANCE
-{
-    unsigned int segment[MAX_SEGMENT];
+struct IP_BASE_INSTANCE {
+	unsigned int segment[MAX_SEGMENT];
 };
 
-struct IP_BASE
-{
-    struct IP_BASE_INSTANCE instance[MAX_INSTANCE];
+struct IP_BASE {
+	struct IP_BASE_INSTANCE instance[MAX_INSTANCE];
 };
 
 static const struct IP_BASE DCN_BASE = { { { { 0x00000012, 0x000000C0, 0x000034C0, 0x00009000, 0x02403C00, 0 } },
-                                        { { 0, 0, 0, 0, 0, 0 } },
-                                        { { 0, 0, 0, 0, 0, 0 } },
-                                        { { 0, 0, 0, 0, 0, 0 } },
-                                        { { 0, 0, 0, 0, 0, 0 } },
-                                        { { 0, 0, 0, 0, 0, 0 } },
-                                        { { 0, 0, 0, 0, 0, 0 } },
-                                        { { 0, 0, 0, 0, 0, 0 } } } };
+					{ { 0, 0, 0, 0, 0, 0 } },
+					{ { 0, 0, 0, 0, 0, 0 } },
+					{ { 0, 0, 0, 0, 0, 0 } },
+					{ { 0, 0, 0, 0, 0, 0 } },
+					{ { 0, 0, 0, 0, 0, 0 } },
+					{ { 0, 0, 0, 0, 0, 0 } },
+					{ { 0, 0, 0, 0, 0, 0 } } } };
 
 #define DC_LOGGER_INIT(logger)
-#define fixed16_to_double(x) (((double) x) / ((double) (1 << 16)))
+#define fixed16_to_double(x) (((double)x) / ((double) (1 << 16)))
 #define fixed16_to_double_to_cpu(x) fixed16_to_double(le32_to_cpu(x))
 
 #define DCN3_2_DEFAULT_DET_SIZE 256
@@ -1534,9 +1531,8 @@ static void dcn321_resource_destruct(struct dcn321_resource_pool *pool)
 			pool->base.hubps[i] = NULL;
 		}
 
-		if (pool->base.irqs != NULL) {
+		if (pool->base.irqs != NULL)
 			dal_irq_service_destroy(&pool->base.irqs);
-		}
 	}
 
 	for (i = 0; i < pool->base.res_cap->num_ddc; i++) {