OSCL-LXR linux-6.0.1/​drivers/​gpu/​drm/​amd/​display/​dc/​dcn32/​dcn32_resource.c	Source navigation Diff markup Identifier search General search
	Version: linux-6.0.1 spark-3.0.0 hadoop-3.2.0-src hadoop-3.3.0-src spark-2.4.7 linux-4.15.13 hadoop-2.7.4-src Revert   Change

 // SPDX-License-Identifier: MIT
 /*
  * 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 "dm_services.h"
 #include "dc.h"
 
 #include "dcn32_init.h"
 
 #include "resource.h"
 #include "include/irq_service_interface.h"
 #include "dcn32_resource.h"
 
 #include "dcn20/dcn20_resource.h"
 #include "dcn30/dcn30_resource.h"
 
 #include "dcn10/dcn10_ipp.h"
 #include "dcn30/dcn30_hubbub.h"
 #include "dcn31/dcn31_hubbub.h"
 #include "dcn32/dcn32_hubbub.h"
 #include "dcn32/dcn32_mpc.h"
 #include "dcn32_hubp.h"
 #include "irq/dcn32/irq_service_dcn32.h"
 #include "dcn32/dcn32_dpp.h"
 #include "dcn32/dcn32_optc.h"
 #include "dcn20/dcn20_hwseq.h"
 #include "dcn30/dcn30_hwseq.h"
 #include "dce110/dce110_hw_sequencer.h"
 #include "dcn30/dcn30_opp.h"
 #include "dcn20/dcn20_dsc.h"
 #include "dcn30/dcn30_vpg.h"
 #include "dcn30/dcn30_afmt.h"
 #include "dcn30/dcn30_dio_stream_encoder.h"
 #include "dcn32/dcn32_dio_stream_encoder.h"
 #include "dcn31/dcn31_hpo_dp_stream_encoder.h"
 #include "dcn31/dcn31_hpo_dp_link_encoder.h"
 #include "dcn32/dcn32_hpo_dp_link_encoder.h"
 #include "dc_link_dp.h"
 #include "dcn31/dcn31_apg.h"
 #include "dcn31/dcn31_dio_link_encoder.h"
 #include "dcn32/dcn32_dio_link_encoder.h"
 #include "dce/dce_clock_source.h"
 #include "dce/dce_audio.h"
 #include "dce/dce_hwseq.h"
 #include "clk_mgr.h"
 #include "virtual/virtual_stream_encoder.h"
 #include "dml/display_mode_vba.h"
 #include "dcn32/dcn32_dccg.h"
 #include "dcn10/dcn10_resource.h"
 #include "dc_link_ddc.h"
 #include "dcn31/dcn31_panel_cntl.h"
 
 #include "dcn30/dcn30_dwb.h"
 #include "dcn32/dcn32_mmhubbub.h"
 
 #include "dcn/dcn_3_2_0_offset.h"
 #include "dcn/dcn_3_2_0_sh_mask.h"
 #include "nbio/nbio_4_3_0_offset.h"
 
 #include "reg_helper.h"
 #include "dce/dmub_abm.h"
 #include "dce/dmub_psr.h"
 #include "dce/dce_aux.h"
 #include "dce/dce_i2c.h"
 
 #include "dml/dcn30/display_mode_vba_30.h"
 #include "vm_helper.h"
 #include "dcn20/dcn20_vmid.h"
 #include "dml/dcn32/dcn32_fpu.h"
 
 #define DCN_BASE__INST0_SEG1                       0x000000C0
 #define DCN_BASE__INST0_SEG2                       0x000034C0
 #define DCN_BASE__INST0_SEG3                       0x00009000
 #define NBIO_BASE__INST0_SEG1                      0x00000014
 
 #define MAX_INSTANCE                                        6
 #define MAX_SEGMENT                                         6
 
 struct IP_BASE_INSTANCE {
     unsigned int segment[MAX_SEGMENT];
 };
 
 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 } } } };
 
 #define DC_LOGGER_INIT(logger)
 
 enum dcn32_clk_src_array_id {
     DCN32_CLK_SRC_PLL0,
     DCN32_CLK_SRC_PLL1,
     DCN32_CLK_SRC_PLL2,
     DCN32_CLK_SRC_PLL3,
     DCN32_CLK_SRC_PLL4,
     DCN32_CLK_SRC_TOTAL
 };
 
 /* begin *********************
  * macros to expend register list macro defined in HW object header file
  */
 
 /* DCN */
 /* TODO awful hack. fixup dcn20_dwb.h */
 #undef BASE_INNER
 #define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg
 
 #define BASE(seg) BASE_INNER(seg)
 
 #define SR(reg_name)\
         .reg_name = BASE(reg ## reg_name ## _BASE_IDX) +  \
                     reg ## reg_name
 
 #define SRI(reg_name, block, id)\
     .reg_name = BASE(reg ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
                     reg ## block ## id ## _ ## reg_name
 
 #define SRI2(reg_name, block, id)\
     .reg_name = BASE(reg ## reg_name ## _BASE_IDX) + \
                     reg ## reg_name
 
 #define SRIR(var_name, reg_name, block, id)\
     .var_name = BASE(reg ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
                     reg ## block ## id ## _ ## reg_name
 
 #define SRII(reg_name, block, id)\
     .reg_name[id] = BASE(reg ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
                     reg ## block ## id ## _ ## reg_name
 
 #define SRII_MPC_RMU(reg_name, block, id)\
     .RMU##_##reg_name[id] = BASE(reg ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
                     reg ## block ## id ## _ ## reg_name
 
 #define SRII_DWB(reg_name, temp_name, block, id)\
     .reg_name[id] = BASE(reg ## block ## id ## _ ## temp_name ## _BASE_IDX) + \
                     reg ## block ## id ## _ ## temp_name
 
 #define DCCG_SRII(reg_name, block, id)\
     .block ## _ ## reg_name[id] = BASE(reg ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
                     reg ## block ## id ## _ ## reg_name
 
 #define VUPDATE_SRII(reg_name, block, id)\
     .reg_name[id] = BASE(reg ## reg_name ## _ ## block ## id ## _BASE_IDX) + \
                     reg ## reg_name ## _ ## block ## id
 
 /* NBIO */
 #define NBIO_BASE_INNER(seg) \
     NBIO_BASE__INST0_SEG ## seg
 
 #define NBIO_BASE(seg) \
     NBIO_BASE_INNER(seg)
 
 #define NBIO_SR(reg_name)\
         .reg_name = NBIO_BASE(regBIF_BX0_ ## reg_name ## _BASE_IDX) + \
                     regBIF_BX0_ ## reg_name
 
 #undef CTX
 #define CTX ctx
 #define REG(reg_name) \
     (DCN_BASE.instance[0].segment[reg ## reg_name ## _BASE_IDX] + reg ## reg_name)
 
 static const struct bios_registers bios_regs = {
         NBIO_SR(BIOS_SCRATCH_3),
         NBIO_SR(BIOS_SCRATCH_6)
 };
 
 #define clk_src_regs(index, pllid)\
 [index] = {\
     CS_COMMON_REG_LIST_DCN3_0(index, pllid),\
 }
 
 static const struct dce110_clk_src_regs clk_src_regs[] = {
     clk_src_regs(0, A),
     clk_src_regs(1, B),
     clk_src_regs(2, C),
     clk_src_regs(3, D),
     clk_src_regs(4, E)
 };
 
 static const struct dce110_clk_src_shift cs_shift = {
         CS_COMMON_MASK_SH_LIST_DCN3_2(__SHIFT)
 };
 
 static const struct dce110_clk_src_mask cs_mask = {
         CS_COMMON_MASK_SH_LIST_DCN3_2(_MASK)
 };
 
 #define abm_regs(id)\
 [id] = {\
         ABM_DCN32_REG_LIST(id)\
 }
 
 static const struct dce_abm_registers abm_regs[] = {
         abm_regs(0),
         abm_regs(1),
         abm_regs(2),
         abm_regs(3),
 };
 
 static const struct dce_abm_shift abm_shift = {
         ABM_MASK_SH_LIST_DCN32(__SHIFT)
 };
 
 static const struct dce_abm_mask abm_mask = {
         ABM_MASK_SH_LIST_DCN32(_MASK)
 };
 
 #define audio_regs(id)\
 [id] = {\
         AUD_COMMON_REG_LIST(id)\
 }
 
 static const struct dce_audio_registers audio_regs[] = {
     audio_regs(0),
     audio_regs(1),
     audio_regs(2),
     audio_regs(3),
     audio_regs(4)
 };
 
 #define DCE120_AUD_COMMON_MASK_SH_LIST(mask_sh)\
         SF(AZF0ENDPOINT0_AZALIA_F0_CODEC_ENDPOINT_INDEX, AZALIA_ENDPOINT_REG_INDEX, mask_sh),\
         SF(AZF0ENDPOINT0_AZALIA_F0_CODEC_ENDPOINT_DATA, AZALIA_ENDPOINT_REG_DATA, mask_sh),\
         AUD_COMMON_MASK_SH_LIST_BASE(mask_sh)
 
 static const struct dce_audio_shift audio_shift = {
         DCE120_AUD_COMMON_MASK_SH_LIST(__SHIFT)
 };
 
 static const struct dce_audio_mask audio_mask = {
         DCE120_AUD_COMMON_MASK_SH_LIST(_MASK)
 };
 
 #define vpg_regs(id)\
 [id] = {\
     VPG_DCN3_REG_LIST(id)\
 }
 
 static const struct dcn30_vpg_registers vpg_regs[] = {
     vpg_regs(0),
     vpg_regs(1),
     vpg_regs(2),
     vpg_regs(3),
     vpg_regs(4),
     vpg_regs(5),
     vpg_regs(6),
     vpg_regs(7),
     vpg_regs(8),
     vpg_regs(9),
 };
 
 static const struct dcn30_vpg_shift vpg_shift = {
     DCN3_VPG_MASK_SH_LIST(__SHIFT)
 };
 
 static const struct dcn30_vpg_mask vpg_mask = {
     DCN3_VPG_MASK_SH_LIST(_MASK)
 };
 
 #define afmt_regs(id)\
 [id] = {\
     AFMT_DCN3_REG_LIST(id)\
 }
 
 static const struct dcn30_afmt_registers afmt_regs[] = {
     afmt_regs(0),
     afmt_regs(1),
     afmt_regs(2),
     afmt_regs(3),
     afmt_regs(4),
     afmt_regs(5)
 };
 
 static const struct dcn30_afmt_shift afmt_shift = {
     DCN3_AFMT_MASK_SH_LIST(__SHIFT)
 };
 
 static const struct dcn30_afmt_mask afmt_mask = {
     DCN3_AFMT_MASK_SH_LIST(_MASK)
 };
 
 #define apg_regs(id)\
 [id] = {\
     APG_DCN31_REG_LIST(id)\
 }
 
 static const struct dcn31_apg_registers apg_regs[] = {
     apg_regs(0),
     apg_regs(1),
     apg_regs(2),
     apg_regs(3)
 };
 
 static const struct dcn31_apg_shift apg_shift = {
     DCN31_APG_MASK_SH_LIST(__SHIFT)
 };
 
 static const struct dcn31_apg_mask apg_mask = {
         DCN31_APG_MASK_SH_LIST(_MASK)
 };
 
 #define stream_enc_regs(id)\
 [id] = {\
     SE_DCN32_REG_LIST(id)\
 }
 
 static const struct dcn10_stream_enc_registers stream_enc_regs[] = {
     stream_enc_regs(0),
     stream_enc_regs(1),
     stream_enc_regs(2),
     stream_enc_regs(3),
     stream_enc_regs(4)
 };
 
 static const struct dcn10_stream_encoder_shift se_shift = {
         SE_COMMON_MASK_SH_LIST_DCN32(__SHIFT)
 };
 
 static const struct dcn10_stream_encoder_mask se_mask = {
         SE_COMMON_MASK_SH_LIST_DCN32(_MASK)
 };
 
 
 #define aux_regs(id)\
 [id] = {\
     DCN2_AUX_REG_LIST(id)\
 }
 
 static const struct dcn10_link_enc_aux_registers link_enc_aux_regs[] = {
         aux_regs(0),
         aux_regs(1),
         aux_regs(2),
         aux_regs(3),
         aux_regs(4)
 };
 
 #define hpd_regs(id)\
 [id] = {\
     HPD_REG_LIST(id)\
 }
 
 static const struct dcn10_link_enc_hpd_registers link_enc_hpd_regs[] = {
         hpd_regs(0),
         hpd_regs(1),
         hpd_regs(2),
         hpd_regs(3),
         hpd_regs(4)
 };
 
 #define link_regs(id, phyid)\
 [id] = {\
     LE_DCN31_REG_LIST(id), \
     UNIPHY_DCN2_REG_LIST(phyid), \
     /*DPCS_DCN31_REG_LIST(id),*/ \
 }
 
 static const struct dcn10_link_enc_registers link_enc_regs[] = {
     link_regs(0, A),
     link_regs(1, B),
     link_regs(2, C),
     link_regs(3, D),
     link_regs(4, E)
 };
 
 static const struct dcn10_link_enc_shift le_shift = {
     LINK_ENCODER_MASK_SH_LIST_DCN31(__SHIFT), \
     //DPCS_DCN31_MASK_SH_LIST(__SHIFT)
 };
 
 static const struct dcn10_link_enc_mask le_mask = {
     LINK_ENCODER_MASK_SH_LIST_DCN31(_MASK), \
 
     //DPCS_DCN31_MASK_SH_LIST(_MASK)
 };
 
 #define hpo_dp_stream_encoder_reg_list(id)\
 [id] = {\
     DCN3_1_HPO_DP_STREAM_ENC_REG_LIST(id)\
 }
 
 static const struct dcn31_hpo_dp_stream_encoder_registers hpo_dp_stream_enc_regs[] = {
     hpo_dp_stream_encoder_reg_list(0),
     hpo_dp_stream_encoder_reg_list(1),
     hpo_dp_stream_encoder_reg_list(2),
     hpo_dp_stream_encoder_reg_list(3),
 };
 
 static const struct dcn31_hpo_dp_stream_encoder_shift hpo_dp_se_shift = {
     DCN3_1_HPO_DP_STREAM_ENC_MASK_SH_LIST(__SHIFT)
 };
 
 static const struct dcn31_hpo_dp_stream_encoder_mask hpo_dp_se_mask = {
     DCN3_1_HPO_DP_STREAM_ENC_MASK_SH_LIST(_MASK)
 };
 
 
 #define hpo_dp_link_encoder_reg_list(id)\
 [id] = {\
     DCN3_1_HPO_DP_LINK_ENC_REG_LIST(id),\
     /*DCN3_1_RDPCSTX_REG_LIST(0),*/\
     /*DCN3_1_RDPCSTX_REG_LIST(1),*/\
     /*DCN3_1_RDPCSTX_REG_LIST(2),*/\
     /*DCN3_1_RDPCSTX_REG_LIST(3),*/\
     /*DCN3_1_RDPCSTX_REG_LIST(4)*/\
 }
 
 static const struct dcn31_hpo_dp_link_encoder_registers hpo_dp_link_enc_regs[] = {
     hpo_dp_link_encoder_reg_list(0),
     hpo_dp_link_encoder_reg_list(1),
 };
 
 static const struct dcn31_hpo_dp_link_encoder_shift hpo_dp_le_shift = {
     DCN3_2_HPO_DP_LINK_ENC_MASK_SH_LIST(__SHIFT)
 };
 
 static const struct dcn31_hpo_dp_link_encoder_mask hpo_dp_le_mask = {
     DCN3_2_HPO_DP_LINK_ENC_MASK_SH_LIST(_MASK)
 };
 
 #define dpp_regs(id)\
 [id] = {\
     DPP_REG_LIST_DCN30_COMMON(id),\
 }
 
 static const struct dcn3_dpp_registers dpp_regs[] = {
     dpp_regs(0),
     dpp_regs(1),
     dpp_regs(2),
     dpp_regs(3)
 };
 
 static const struct dcn3_dpp_shift tf_shift = {
         DPP_REG_LIST_SH_MASK_DCN30_COMMON(__SHIFT)
 };
 
 static const struct dcn3_dpp_mask tf_mask = {
         DPP_REG_LIST_SH_MASK_DCN30_COMMON(_MASK)
 };
 
 
 #define opp_regs(id)\
 [id] = {\
     OPP_REG_LIST_DCN30(id),\
 }
 
 static const struct dcn20_opp_registers opp_regs[] = {
     opp_regs(0),
     opp_regs(1),
     opp_regs(2),
     opp_regs(3)
 };
 
 static const struct dcn20_opp_shift opp_shift = {
     OPP_MASK_SH_LIST_DCN20(__SHIFT)
 };
 
 static const struct dcn20_opp_mask opp_mask = {
     OPP_MASK_SH_LIST_DCN20(_MASK)
 };
 
 #define aux_engine_regs(id)\
 [id] = {\
     AUX_COMMON_REG_LIST0(id), \
     .AUXN_IMPCAL = 0, \
     .AUXP_IMPCAL = 0, \
     .AUX_RESET_MASK = DP_AUX0_AUX_CONTROL__AUX_RESET_MASK, \
 }
 
 static const struct dce110_aux_registers aux_engine_regs[] = {
         aux_engine_regs(0),
         aux_engine_regs(1),
         aux_engine_regs(2),
         aux_engine_regs(3),
         aux_engine_regs(4)
 };
 
 static const struct dce110_aux_registers_shift aux_shift = {
     DCN_AUX_MASK_SH_LIST(__SHIFT)
 };
 
 static const struct dce110_aux_registers_mask aux_mask = {
     DCN_AUX_MASK_SH_LIST(_MASK)
 };
 
 
 #define dwbc_regs_dcn3(id)\
 [id] = {\
     DWBC_COMMON_REG_LIST_DCN30(id),\
 }
 
 static const struct dcn30_dwbc_registers dwbc30_regs[] = {
     dwbc_regs_dcn3(0),
 };
 
 static const struct dcn30_dwbc_shift dwbc30_shift = {
     DWBC_COMMON_MASK_SH_LIST_DCN30(__SHIFT)
 };
 
 static const struct dcn30_dwbc_mask dwbc30_mask = {
     DWBC_COMMON_MASK_SH_LIST_DCN30(_MASK)
 };
 
 #define mcif_wb_regs_dcn3(id)\
 [id] = {\
     MCIF_WB_COMMON_REG_LIST_DCN32(id),\
 }
 
 static const struct dcn30_mmhubbub_registers mcif_wb30_regs[] = {
     mcif_wb_regs_dcn3(0)
 };
 
 static const struct dcn30_mmhubbub_shift mcif_wb30_shift = {
     MCIF_WB_COMMON_MASK_SH_LIST_DCN32(__SHIFT)
 };
 
 static const struct dcn30_mmhubbub_mask mcif_wb30_mask = {
     MCIF_WB_COMMON_MASK_SH_LIST_DCN32(_MASK)
 };
 
 #define dsc_regsDCN20(id)\
 [id] = {\
     DSC_REG_LIST_DCN20(id)\
 }
 
 static const struct dcn20_dsc_registers dsc_regs[] = {
     dsc_regsDCN20(0),
     dsc_regsDCN20(1),
     dsc_regsDCN20(2),
     dsc_regsDCN20(3)
 };
 
 static const struct dcn20_dsc_shift dsc_shift = {
     DSC_REG_LIST_SH_MASK_DCN20(__SHIFT)
 };
 
 static const struct dcn20_dsc_mask dsc_mask = {
     DSC_REG_LIST_SH_MASK_DCN20(_MASK)
 };
 
 static const struct dcn30_mpc_registers mpc_regs = {
         MPC_REG_LIST_DCN3_2(0),
         MPC_REG_LIST_DCN3_2(1),
         MPC_REG_LIST_DCN3_2(2),
         MPC_REG_LIST_DCN3_2(3),
         MPC_OUT_MUX_REG_LIST_DCN3_0(0),
         MPC_OUT_MUX_REG_LIST_DCN3_0(1),
         MPC_OUT_MUX_REG_LIST_DCN3_0(2),
         MPC_OUT_MUX_REG_LIST_DCN3_0(3),
         MPC_DWB_MUX_REG_LIST_DCN3_0(0),
 };
 
 static const struct dcn30_mpc_shift mpc_shift = {
     MPC_COMMON_MASK_SH_LIST_DCN32(__SHIFT)
 };
 
 static const struct dcn30_mpc_mask mpc_mask = {
     MPC_COMMON_MASK_SH_LIST_DCN32(_MASK)
 };
 
 #define optc_regs(id)\
 [id] = {OPTC_COMMON_REG_LIST_DCN3_2(id)}
 
 //#ifdef DIAGS_BUILD
 //static struct dcn_optc_registers optc_regs[] = {
 //#else
 static const struct dcn_optc_registers optc_regs[] = {
 //#endif
     optc_regs(0),
     optc_regs(1),
     optc_regs(2),
     optc_regs(3)
 };
 
 static const struct dcn_optc_shift optc_shift = {
     OPTC_COMMON_MASK_SH_LIST_DCN3_2(__SHIFT)
 };
 
 static const struct dcn_optc_mask optc_mask = {
     OPTC_COMMON_MASK_SH_LIST_DCN3_2(_MASK)
 };
 
 #define hubp_regs(id)\
 [id] = {\
     HUBP_REG_LIST_DCN32(id)\
 }
 
 static const struct dcn_hubp2_registers hubp_regs[] = {
         hubp_regs(0),
         hubp_regs(1),
         hubp_regs(2),
         hubp_regs(3)
 };
 
 
 static const struct dcn_hubp2_shift hubp_shift = {
         HUBP_MASK_SH_LIST_DCN32(__SHIFT)
 };
 
 static const struct dcn_hubp2_mask hubp_mask = {
         HUBP_MASK_SH_LIST_DCN32(_MASK)
 };
 static const struct dcn_hubbub_registers hubbub_reg = {
         HUBBUB_REG_LIST_DCN32(0)
 };
 
 static const struct dcn_hubbub_shift hubbub_shift = {
         HUBBUB_MASK_SH_LIST_DCN32(__SHIFT)
 };
 
 static const struct dcn_hubbub_mask hubbub_mask = {
         HUBBUB_MASK_SH_LIST_DCN32(_MASK)
 };
 
 static const struct dccg_registers dccg_regs = {
         DCCG_REG_LIST_DCN32()
 };
 
 static const struct dccg_shift dccg_shift = {
         DCCG_MASK_SH_LIST_DCN32(__SHIFT)
 };
 
 static const struct dccg_mask dccg_mask = {
         DCCG_MASK_SH_LIST_DCN32(_MASK)
 };
 
 
 #define SRII2(reg_name_pre, reg_name_post, id)\
     .reg_name_pre ## _ ##  reg_name_post[id] = BASE(reg ## reg_name_pre \
             ## id ## _ ## reg_name_post ## _BASE_IDX) + \
             reg ## reg_name_pre ## id ## _ ## reg_name_post
 
 
 #define HWSEQ_DCN32_REG_LIST()\
     SR(DCHUBBUB_GLOBAL_TIMER_CNTL), \
     SR(DIO_MEM_PWR_CTRL), \
     SR(ODM_MEM_PWR_CTRL3), \
     SR(MMHUBBUB_MEM_PWR_CNTL), \
     SR(DCCG_GATE_DISABLE_CNTL), \
     SR(DCCG_GATE_DISABLE_CNTL2), \
     SR(DCFCLK_CNTL),\
     SR(DC_MEM_GLOBAL_PWR_REQ_CNTL), \
     SRII(PIXEL_RATE_CNTL, OTG, 0), \
     SRII(PIXEL_RATE_CNTL, OTG, 1),\
     SRII(PIXEL_RATE_CNTL, OTG, 2),\
     SRII(PIXEL_RATE_CNTL, OTG, 3),\
     SRII(PHYPLL_PIXEL_RATE_CNTL, OTG, 0),\
     SRII(PHYPLL_PIXEL_RATE_CNTL, OTG, 1),\
     SRII(PHYPLL_PIXEL_RATE_CNTL, OTG, 2),\
     SRII(PHYPLL_PIXEL_RATE_CNTL, OTG, 3),\
     SR(MICROSECOND_TIME_BASE_DIV), \
     SR(MILLISECOND_TIME_BASE_DIV), \
     SR(DISPCLK_FREQ_CHANGE_CNTL), \
     SR(RBBMIF_TIMEOUT_DIS), \
     SR(RBBMIF_TIMEOUT_DIS_2), \
     SR(DCHUBBUB_CRC_CTRL), \
     SR(DPP_TOP0_DPP_CRC_CTRL), \
     SR(DPP_TOP0_DPP_CRC_VAL_B_A), \
     SR(DPP_TOP0_DPP_CRC_VAL_R_G), \
     SR(MPC_CRC_CTRL), \
     SR(MPC_CRC_RESULT_GB), \
     SR(MPC_CRC_RESULT_C), \
     SR(MPC_CRC_RESULT_AR), \
     SR(DOMAIN0_PG_CONFIG), \
     SR(DOMAIN1_PG_CONFIG), \
     SR(DOMAIN2_PG_CONFIG), \
     SR(DOMAIN3_PG_CONFIG), \
     SR(DOMAIN16_PG_CONFIG), \
     SR(DOMAIN17_PG_CONFIG), \
     SR(DOMAIN18_PG_CONFIG), \
     SR(DOMAIN19_PG_CONFIG), \
     SR(DOMAIN0_PG_STATUS), \
     SR(DOMAIN1_PG_STATUS), \
     SR(DOMAIN2_PG_STATUS), \
     SR(DOMAIN3_PG_STATUS), \
     SR(DOMAIN16_PG_STATUS), \
     SR(DOMAIN17_PG_STATUS), \
     SR(DOMAIN18_PG_STATUS), \
     SR(DOMAIN19_PG_STATUS), \
     SR(D1VGA_CONTROL), \
     SR(D2VGA_CONTROL), \
     SR(D3VGA_CONTROL), \
     SR(D4VGA_CONTROL), \
     SR(D5VGA_CONTROL), \
     SR(D6VGA_CONTROL), \
     SR(DC_IP_REQUEST_CNTL), \
     SR(AZALIA_AUDIO_DTO), \
     SR(AZALIA_CONTROLLER_CLOCK_GATING)
 
 static const struct dce_hwseq_registers hwseq_reg = {
         HWSEQ_DCN32_REG_LIST()
 };
 
 #define HWSEQ_DCN32_MASK_SH_LIST(mask_sh)\
     HWSEQ_DCN_MASK_SH_LIST(mask_sh), \
     HWS_SF(, DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_REFDIV, mask_sh), \
     HWS_SF(, DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh), \
     HWS_SF(, DOMAIN0_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh), \
     HWS_SF(, DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh), \
     HWS_SF(, DOMAIN1_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh), \
     HWS_SF(, DOMAIN2_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh), \
     HWS_SF(, DOMAIN2_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh), \
     HWS_SF(, DOMAIN3_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh), \
     HWS_SF(, DOMAIN3_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh), \
     HWS_SF(, DOMAIN16_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh), \
     HWS_SF(, DOMAIN16_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh), \
     HWS_SF(, DOMAIN17_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh), \
     HWS_SF(, DOMAIN17_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh), \
     HWS_SF(, DOMAIN18_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh), \
     HWS_SF(, DOMAIN18_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh), \
     HWS_SF(, DOMAIN19_PG_CONFIG, DOMAIN_POWER_FORCEON, mask_sh), \
     HWS_SF(, DOMAIN19_PG_CONFIG, DOMAIN_POWER_GATE, mask_sh), \
     HWS_SF(, DOMAIN0_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), \
     HWS_SF(, DOMAIN1_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), \
     HWS_SF(, DOMAIN2_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), \
     HWS_SF(, DOMAIN3_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), \
     HWS_SF(, DOMAIN16_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), \
     HWS_SF(, DOMAIN17_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), \
     HWS_SF(, DOMAIN18_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), \
     HWS_SF(, DOMAIN19_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, mask_sh), \
     HWS_SF(, DC_IP_REQUEST_CNTL, IP_REQUEST_EN, mask_sh), \
     HWS_SF(, AZALIA_AUDIO_DTO, AZALIA_AUDIO_DTO_MODULE, mask_sh), \
     HWS_SF(, HPO_TOP_CLOCK_CONTROL, HPO_HDMISTREAMCLK_G_GATE_DIS, mask_sh), \
     HWS_SF(, ODM_MEM_PWR_CTRL3, ODM_MEM_UNASSIGNED_PWR_MODE, mask_sh), \
     HWS_SF(, ODM_MEM_PWR_CTRL3, ODM_MEM_VBLANK_PWR_MODE, mask_sh), \
     HWS_SF(, MMHUBBUB_MEM_PWR_CNTL, VGA_MEM_PWR_FORCE, mask_sh)
 
 static const struct dce_hwseq_shift hwseq_shift = {
         HWSEQ_DCN32_MASK_SH_LIST(__SHIFT)
 };
 
 static const struct dce_hwseq_mask hwseq_mask = {
         HWSEQ_DCN32_MASK_SH_LIST(_MASK)
 };
 #define vmid_regs(id)\
 [id] = {\
         DCN20_VMID_REG_LIST(id)\
 }
 
 static const struct dcn_vmid_registers vmid_regs[] = {
     vmid_regs(0),
     vmid_regs(1),
     vmid_regs(2),
     vmid_regs(3),
     vmid_regs(4),
     vmid_regs(5),
     vmid_regs(6),
     vmid_regs(7),
     vmid_regs(8),
     vmid_regs(9),
     vmid_regs(10),
     vmid_regs(11),
     vmid_regs(12),
     vmid_regs(13),
     vmid_regs(14),
     vmid_regs(15)
 };
 
 static const struct dcn20_vmid_shift vmid_shifts = {
         DCN20_VMID_MASK_SH_LIST(__SHIFT)
 };
 
 static const struct dcn20_vmid_mask vmid_masks = {
         DCN20_VMID_MASK_SH_LIST(_MASK)
 };
 
 static const struct resource_caps res_cap_dcn32 = {
     .num_timing_generator = 4,
     .num_opp = 4,
     .num_video_plane = 4,
     .num_audio = 5,
     .num_stream_encoder = 5,
     .num_hpo_dp_stream_encoder = 4,
     .num_hpo_dp_link_encoder = 2,
     .num_pll = 5,
     .num_dwb = 1,
     .num_ddc = 5,
     .num_vmid = 16,
     .num_mpc_3dlut = 4,
     .num_dsc = 4,
 };
 
 static const struct dc_plane_cap plane_cap = {
     .type = DC_PLANE_TYPE_DCN_UNIVERSAL,
     .blends_with_above = true,
     .blends_with_below = true,
     .per_pixel_alpha = true,
 
     .pixel_format_support = {
             .argb8888 = true,
             .nv12 = true,
             .fp16 = true,
             .p010 = true,
             .ayuv = false,
     },
 
     .max_upscale_factor = {
             .argb8888 = 16000,
             .nv12 = 16000,
             .fp16 = 16000
     },
 
     // 6:1 downscaling ratio: 1000/6 = 166.666
     .max_downscale_factor = {
             .argb8888 = 167,
             .nv12 = 167,
             .fp16 = 167
     },
     64,
     64
 };
 
 static const struct dc_debug_options debug_defaults_drv = {
     .disable_dmcu = true,
     .force_abm_enable = false,
     .timing_trace = false,
     .clock_trace = true,
     .disable_pplib_clock_request = false,
     .pipe_split_policy = MPC_SPLIT_AVOID, // Due to CRB, no need to MPC split anymore
     .force_single_disp_pipe_split = false,
     .disable_dcc = DCC_ENABLE,
     .vsr_support = true,
     .performance_trace = false,
     .max_downscale_src_width = 7680,/*upto 8K*/
     .disable_pplib_wm_range = false,
     .scl_reset_length10 = true,
     .sanity_checks = false,
     .underflow_assert_delay_us = 0xFFFFFFFF,
     .dwb_fi_phase = -1, // -1 = disable,
     .dmub_command_table = true,
     .enable_mem_low_power = {
         .bits = {
             .vga = false,
             .i2c = false,
             .dmcu = false, // This is previously known to cause hang on S3 cycles if enabled
             .dscl = false,
             .cm = false,
             .mpc = false,
             .optc = true,
         }
     },
     .use_max_lb = true,
     .force_disable_subvp = false,
     .exit_idle_opt_for_cursor_updates = true,
     .enable_single_display_2to1_odm_policy = true,
     .enable_dp_dig_pixel_rate_div_policy = 1,
     .allow_sw_cursor_fallback = false,
 };
 
 static const struct dc_debug_options debug_defaults_diags = {
     .disable_dmcu = true,
     .force_abm_enable = false,
     .timing_trace = true,
     .clock_trace = true,
     .disable_dpp_power_gate = true,
     .disable_hubp_power_gate = true,
     .disable_dsc_power_gate = true,
     .disable_clock_gate = true,
     .disable_pplib_clock_request = true,
     .disable_pplib_wm_range = true,
     .disable_stutter = false,
     .scl_reset_length10 = true,
     .dwb_fi_phase = -1, // -1 = disable
     .dmub_command_table = true,
     .enable_tri_buf = true,
     .use_max_lb = true,
     .force_disable_subvp = true
 };
 
 static struct dce_aux *dcn32_aux_engine_create(
     struct dc_context *ctx,
     uint32_t inst)
 {
     struct aux_engine_dce110 *aux_engine =
         kzalloc(sizeof(struct aux_engine_dce110), GFP_KERNEL);
 
     if (!aux_engine)
         return NULL;
 
     dce110_aux_engine_construct(aux_engine, ctx, inst,
                     SW_AUX_TIMEOUT_PERIOD_MULTIPLIER * AUX_TIMEOUT_PERIOD,
                     &aux_engine_regs[inst],
                     &aux_mask,
                     &aux_shift,
                     ctx->dc->caps.extended_aux_timeout_support);
 
     return &aux_engine->base;
 }
 #define i2c_inst_regs(id) { I2C_HW_ENGINE_COMMON_REG_LIST_DCN30(id) }
 
 static const struct dce_i2c_registers i2c_hw_regs[] = {
         i2c_inst_regs(1),
         i2c_inst_regs(2),
         i2c_inst_regs(3),
         i2c_inst_regs(4),
         i2c_inst_regs(5),
 };
 
 static const struct dce_i2c_shift i2c_shifts = {
         I2C_COMMON_MASK_SH_LIST_DCN30(__SHIFT)
 };
 
 static const struct dce_i2c_mask i2c_masks = {
         I2C_COMMON_MASK_SH_LIST_DCN30(_MASK)
 };
 
 static struct dce_i2c_hw *dcn32_i2c_hw_create(
     struct dc_context *ctx,
     uint32_t inst)
 {
     struct dce_i2c_hw *dce_i2c_hw =
         kzalloc(sizeof(struct dce_i2c_hw), GFP_KERNEL);
 
     if (!dce_i2c_hw)
         return NULL;
 
     dcn2_i2c_hw_construct(dce_i2c_hw, ctx, inst,
                     &i2c_hw_regs[inst], &i2c_shifts, &i2c_masks);
 
     return dce_i2c_hw;
 }
 
 static struct clock_source *dcn32_clock_source_create(
         struct dc_context *ctx,
         struct dc_bios *bios,
         enum clock_source_id id,
         const struct dce110_clk_src_regs *regs,
         bool dp_clk_src)
 {
     struct dce110_clk_src *clk_src =
         kzalloc(sizeof(struct dce110_clk_src), GFP_KERNEL);
 
     if (!clk_src)
         return NULL;
 
     if (dcn31_clk_src_construct(clk_src, ctx, bios, id,
             regs, &cs_shift, &cs_mask)) {
         clk_src->base.dp_clk_src = dp_clk_src;
         return &clk_src->base;
     }
 
     BREAK_TO_DEBUGGER();
     return NULL;
 }
 
 static struct hubbub *dcn32_hubbub_create(struct dc_context *ctx)
 {
     int i;
 
     struct dcn20_hubbub *hubbub2 = kzalloc(sizeof(struct dcn20_hubbub),
                       GFP_KERNEL);
 
     if (!hubbub2)
         return NULL;
 
     hubbub32_construct(hubbub2, ctx,
             &hubbub_reg,
             &hubbub_shift,
             &hubbub_mask,
             ctx->dc->dml.ip.det_buffer_size_kbytes,
             ctx->dc->dml.ip.pixel_chunk_size_kbytes,
             ctx->dc->dml.ip.config_return_buffer_size_in_kbytes);
 
 
     for (i = 0; i < res_cap_dcn32.num_vmid; i++) {
         struct dcn20_vmid *vmid = &hubbub2->vmid[i];
 
         vmid->ctx = ctx;
 
         vmid->regs = &vmid_regs[i];
         vmid->shifts = &vmid_shifts;
         vmid->masks = &vmid_masks;
     }
 
     return &hubbub2->base;
 }
 
 static struct hubp *dcn32_hubp_create(
     struct dc_context *ctx,
     uint32_t inst)
 {
     struct dcn20_hubp *hubp2 =
         kzalloc(sizeof(struct dcn20_hubp), GFP_KERNEL);
 
     if (!hubp2)
         return NULL;
 
     if (hubp32_construct(hubp2, ctx, inst,
             &hubp_regs[inst], &hubp_shift, &hubp_mask))
         return &hubp2->base;
 
     BREAK_TO_DEBUGGER();
     kfree(hubp2);
     return NULL;
 }
 
 static void dcn32_dpp_destroy(struct dpp **dpp)
 {
     kfree(TO_DCN30_DPP(*dpp));
     *dpp = NULL;
 }
 
 static struct dpp *dcn32_dpp_create(
     struct dc_context *ctx,
     uint32_t inst)
 {
     struct dcn3_dpp *dpp3 =
         kzalloc(sizeof(struct dcn3_dpp), GFP_KERNEL);
 
     if (!dpp3)
         return NULL;
 
     if (dpp32_construct(dpp3, ctx, inst,
             &dpp_regs[inst], &tf_shift, &tf_mask))
         return &dpp3->base;
 
     BREAK_TO_DEBUGGER();
     kfree(dpp3);
     return NULL;
 }
 
 static struct mpc *dcn32_mpc_create(
         struct dc_context *ctx,
         int num_mpcc,
         int num_rmu)
 {
     struct dcn30_mpc *mpc30 = kzalloc(sizeof(struct dcn30_mpc),
                       GFP_KERNEL);
 
     if (!mpc30)
         return NULL;
 
     dcn32_mpc_construct(mpc30, ctx,
             &mpc_regs,
             &mpc_shift,
             &mpc_mask,
             num_mpcc,
             num_rmu);
 
     return &mpc30->base;
 }
 
 static struct output_pixel_processor *dcn32_opp_create(
     struct dc_context *ctx, uint32_t inst)
 {
     struct dcn20_opp *opp2 =
         kzalloc(sizeof(struct dcn20_opp), GFP_KERNEL);
 
     if (!opp2) {
         BREAK_TO_DEBUGGER();
         return NULL;
     }
 
     dcn20_opp_construct(opp2, ctx, inst,
             &opp_regs[inst], &opp_shift, &opp_mask);
     return &opp2->base;
 }
 
 
 static struct timing_generator *dcn32_timing_generator_create(
         struct dc_context *ctx,
         uint32_t instance)
 {
     struct optc *tgn10 =
         kzalloc(sizeof(struct optc), GFP_KERNEL);
 
     if (!tgn10)
         return NULL;
 
     tgn10->base.inst = instance;
     tgn10->base.ctx = ctx;
 
     tgn10->tg_regs = &optc_regs[instance];
     tgn10->tg_shift = &optc_shift;
     tgn10->tg_mask = &optc_mask;
 
     dcn32_timing_generator_init(tgn10);
 
     return &tgn10->base;
 }
 
 static const struct encoder_feature_support link_enc_feature = {
         .max_hdmi_deep_color = COLOR_DEPTH_121212,
         .max_hdmi_pixel_clock = 600000,
         .hdmi_ycbcr420_supported = true,
         .dp_ycbcr420_supported = true,
         .fec_supported = true,
         .flags.bits.IS_HBR2_CAPABLE = true,
         .flags.bits.IS_HBR3_CAPABLE = true,
         .flags.bits.IS_TPS3_CAPABLE = true,
         .flags.bits.IS_TPS4_CAPABLE = true
 };
 
 static struct link_encoder *dcn32_link_encoder_create(
     struct dc_context *ctx,
     const struct encoder_init_data *enc_init_data)
 {
     struct dcn20_link_encoder *enc20 =
         kzalloc(sizeof(struct dcn20_link_encoder), GFP_KERNEL);
 
     if (!enc20)
         return NULL;
 
     dcn32_link_encoder_construct(enc20,
             enc_init_data,
             &link_enc_feature,
             &link_enc_regs[enc_init_data->transmitter],
             &link_enc_aux_regs[enc_init_data->channel - 1],
             &link_enc_hpd_regs[enc_init_data->hpd_source],
             &le_shift,
             &le_mask);
 
     return &enc20->enc10.base;
 }
 
 struct panel_cntl *dcn32_panel_cntl_create(const struct panel_cntl_init_data *init_data)
 {
     struct dcn31_panel_cntl *panel_cntl =
         kzalloc(sizeof(struct dcn31_panel_cntl), GFP_KERNEL);
 
     if (!panel_cntl)
         return NULL;
 
     dcn31_panel_cntl_construct(panel_cntl, init_data);
 
     return &panel_cntl->base;
 }
 
 static void read_dce_straps(
     struct dc_context *ctx,
     struct resource_straps *straps)
 {
     generic_reg_get(ctx, regDC_PINSTRAPS + BASE(regDC_PINSTRAPS_BASE_IDX),
         FN(DC_PINSTRAPS, DC_PINSTRAPS_AUDIO), &straps->dc_pinstraps_audio);
 
 }
 
 static struct audio *dcn32_create_audio(
         struct dc_context *ctx, unsigned int inst)
 {
     return dce_audio_create(ctx, inst,
             &audio_regs[inst], &audio_shift, &audio_mask);
 }
 
 static struct vpg *dcn32_vpg_create(
     struct dc_context *ctx,
     uint32_t inst)
 {
     struct dcn30_vpg *vpg3 = kzalloc(sizeof(struct dcn30_vpg), GFP_KERNEL);
 
     if (!vpg3)
         return NULL;
 
     vpg3_construct(vpg3, ctx, inst,
             &vpg_regs[inst],
             &vpg_shift,
             &vpg_mask);
 
     return &vpg3->base;
 }
 
 static struct afmt *dcn32_afmt_create(
     struct dc_context *ctx,
     uint32_t inst)
 {
     struct dcn30_afmt *afmt3 = kzalloc(sizeof(struct dcn30_afmt), GFP_KERNEL);
 
     if (!afmt3)
         return NULL;
 
     afmt3_construct(afmt3, ctx, inst,
             &afmt_regs[inst],
             &afmt_shift,
             &afmt_mask);
 
     return &afmt3->base;
 }
 
 static struct apg *dcn31_apg_create(
     struct dc_context *ctx,
     uint32_t inst)
 {
     struct dcn31_apg *apg31 = kzalloc(sizeof(struct dcn31_apg), GFP_KERNEL);
 
     if (!apg31)
         return NULL;
 
     apg31_construct(apg31, ctx, inst,
             &apg_regs[inst],
             &apg_shift,
             &apg_mask);
 
     return &apg31->base;
 }
 
 static struct stream_encoder *dcn32_stream_encoder_create(
     enum engine_id eng_id,
     struct dc_context *ctx)
 {
     struct dcn10_stream_encoder *enc1;
     struct vpg *vpg;
     struct afmt *afmt;
     int vpg_inst;
     int afmt_inst;
 
     /* Mapping of VPG, AFMT, DME register blocks to DIO block instance */
     if (eng_id <= ENGINE_ID_DIGF) {
         vpg_inst = eng_id;
         afmt_inst = eng_id;
     } else
         return NULL;
 
     enc1 = kzalloc(sizeof(struct dcn10_stream_encoder), GFP_KERNEL);
     vpg = dcn32_vpg_create(ctx, vpg_inst);
     afmt = dcn32_afmt_create(ctx, afmt_inst);
 
     if (!enc1 || !vpg || !afmt) {
         kfree(enc1);
         kfree(vpg);
         kfree(afmt);
         return NULL;
     }
 
     dcn32_dio_stream_encoder_construct(enc1, ctx, ctx->dc_bios,
                     eng_id, vpg, afmt,
                     &stream_enc_regs[eng_id],
                     &se_shift, &se_mask);
 
     return &enc1->base;
 }
 
 static struct hpo_dp_stream_encoder *dcn32_hpo_dp_stream_encoder_create(
     enum engine_id eng_id,
     struct dc_context *ctx)
 {
     struct dcn31_hpo_dp_stream_encoder *hpo_dp_enc31;
     struct vpg *vpg;
     struct apg *apg;
     uint32_t hpo_dp_inst;
     uint32_t vpg_inst;
     uint32_t apg_inst;
 
     ASSERT((eng_id >= ENGINE_ID_HPO_DP_0) && (eng_id <= ENGINE_ID_HPO_DP_3));
     hpo_dp_inst = eng_id - ENGINE_ID_HPO_DP_0;
 
     /* Mapping of VPG register blocks to HPO DP block instance:
      * VPG[6] -> HPO_DP[0]
      * VPG[7] -> HPO_DP[1]
      * VPG[8] -> HPO_DP[2]
      * VPG[9] -> HPO_DP[3]
      */
     vpg_inst = hpo_dp_inst + 6;
 
     /* Mapping of APG register blocks to HPO DP block instance:
      * APG[0] -> HPO_DP[0]
      * APG[1] -> HPO_DP[1]
      * APG[2] -> HPO_DP[2]
      * APG[3] -> HPO_DP[3]
      */
     apg_inst = hpo_dp_inst;
 
     /* allocate HPO stream encoder and create VPG sub-block */
     hpo_dp_enc31 = kzalloc(sizeof(struct dcn31_hpo_dp_stream_encoder), GFP_KERNEL);
     vpg = dcn32_vpg_create(ctx, vpg_inst);
     apg = dcn31_apg_create(ctx, apg_inst);
 
     if (!hpo_dp_enc31 || !vpg || !apg) {
         kfree(hpo_dp_enc31);
         kfree(vpg);
         kfree(apg);
         return NULL;
     }
 
     dcn31_hpo_dp_stream_encoder_construct(hpo_dp_enc31, ctx, ctx->dc_bios,
                     hpo_dp_inst, eng_id, vpg, apg,
                     &hpo_dp_stream_enc_regs[hpo_dp_inst],
                     &hpo_dp_se_shift, &hpo_dp_se_mask);
 
     return &hpo_dp_enc31->base;
 }
 
 static struct hpo_dp_link_encoder *dcn32_hpo_dp_link_encoder_create(
     uint8_t inst,
     struct dc_context *ctx)
 {
     struct dcn31_hpo_dp_link_encoder *hpo_dp_enc31;
 
     /* allocate HPO link encoder */
     hpo_dp_enc31 = kzalloc(sizeof(struct dcn31_hpo_dp_link_encoder), GFP_KERNEL);
 
     hpo_dp_link_encoder32_construct(hpo_dp_enc31, ctx, inst,
                     &hpo_dp_link_enc_regs[inst],
                     &hpo_dp_le_shift, &hpo_dp_le_mask);
 
     return &hpo_dp_enc31->base;
 }
 
 static struct dce_hwseq *dcn32_hwseq_create(
     struct dc_context *ctx)
 {
     struct dce_hwseq *hws = kzalloc(sizeof(struct dce_hwseq), GFP_KERNEL);
 
     if (hws) {
         hws->ctx = ctx;
         hws->regs = &hwseq_reg;
         hws->shifts = &hwseq_shift;
         hws->masks = &hwseq_mask;
     }
     return hws;
 }
 static const struct resource_create_funcs res_create_funcs = {
     .read_dce_straps = read_dce_straps,
     .create_audio = dcn32_create_audio,
     .create_stream_encoder = dcn32_stream_encoder_create,
     .create_hpo_dp_stream_encoder = dcn32_hpo_dp_stream_encoder_create,
     .create_hpo_dp_link_encoder = dcn32_hpo_dp_link_encoder_create,
     .create_hwseq = dcn32_hwseq_create,
 };
 
 static const struct resource_create_funcs res_create_maximus_funcs = {
     .read_dce_straps = NULL,
     .create_audio = NULL,
     .create_stream_encoder = NULL,
     .create_hpo_dp_stream_encoder = dcn32_hpo_dp_stream_encoder_create,
     .create_hpo_dp_link_encoder = dcn32_hpo_dp_link_encoder_create,
     .create_hwseq = dcn32_hwseq_create,
 };
 
 static void dcn32_resource_destruct(struct dcn32_resource_pool *pool)
 {
     unsigned int i;
 
     for (i = 0; i < pool->base.stream_enc_count; i++) {
         if (pool->base.stream_enc[i] != NULL) {
             if (pool->base.stream_enc[i]->vpg != NULL) {
                 kfree(DCN30_VPG_FROM_VPG(pool->base.stream_enc[i]->vpg));
                 pool->base.stream_enc[i]->vpg = NULL;
             }
             if (pool->base.stream_enc[i]->afmt != NULL) {
                 kfree(DCN30_AFMT_FROM_AFMT(pool->base.stream_enc[i]->afmt));
                 pool->base.stream_enc[i]->afmt = NULL;
             }
             kfree(DCN10STRENC_FROM_STRENC(pool->base.stream_enc[i]));
             pool->base.stream_enc[i] = NULL;
         }
     }
 
     for (i = 0; i < pool->base.hpo_dp_stream_enc_count; i++) {
         if (pool->base.hpo_dp_stream_enc[i] != NULL) {
             if (pool->base.hpo_dp_stream_enc[i]->vpg != NULL) {
                 kfree(DCN30_VPG_FROM_VPG(pool->base.hpo_dp_stream_enc[i]->vpg));
                 pool->base.hpo_dp_stream_enc[i]->vpg = NULL;
             }
             if (pool->base.hpo_dp_stream_enc[i]->apg != NULL) {
                 kfree(DCN31_APG_FROM_APG(pool->base.hpo_dp_stream_enc[i]->apg));
                 pool->base.hpo_dp_stream_enc[i]->apg = NULL;
             }
             kfree(DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(pool->base.hpo_dp_stream_enc[i]));
             pool->base.hpo_dp_stream_enc[i] = NULL;
         }
     }
 
     for (i = 0; i < pool->base.hpo_dp_link_enc_count; i++) {
         if (pool->base.hpo_dp_link_enc[i] != NULL) {
             kfree(DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(pool->base.hpo_dp_link_enc[i]));
             pool->base.hpo_dp_link_enc[i] = NULL;
         }
     }
 
     for (i = 0; i < pool->base.res_cap->num_dsc; i++) {
         if (pool->base.dscs[i] != NULL)
             dcn20_dsc_destroy(&pool->base.dscs[i]);
     }
 
     if (pool->base.mpc != NULL) {
         kfree(TO_DCN20_MPC(pool->base.mpc));
         pool->base.mpc = NULL;
     }
     if (pool->base.hubbub != NULL) {
         kfree(TO_DCN20_HUBBUB(pool->base.hubbub));
         pool->base.hubbub = NULL;
     }
     for (i = 0; i < pool->base.pipe_count; i++) {
         if (pool->base.dpps[i] != NULL)
             dcn32_dpp_destroy(&pool->base.dpps[i]);
 
         if (pool->base.ipps[i] != NULL)
             pool->base.ipps[i]->funcs->ipp_destroy(&pool->base.ipps[i]);
 
         if (pool->base.hubps[i] != NULL) {
             kfree(TO_DCN20_HUBP(pool->base.hubps[i]));
             pool->base.hubps[i] = NULL;
         }
 
         if (pool->base.irqs != NULL) {
             dal_irq_service_destroy(&pool->base.irqs);
         }
     }
 
     for (i = 0; i < pool->base.res_cap->num_ddc; i++) {
         if (pool->base.engines[i] != NULL)
             dce110_engine_destroy(&pool->base.engines[i]);
         if (pool->base.hw_i2cs[i] != NULL) {
             kfree(pool->base.hw_i2cs[i]);
             pool->base.hw_i2cs[i] = NULL;
         }
         if (pool->base.sw_i2cs[i] != NULL) {
             kfree(pool->base.sw_i2cs[i]);
             pool->base.sw_i2cs[i] = NULL;
         }
     }
 
     for (i = 0; i < pool->base.res_cap->num_opp; i++) {
         if (pool->base.opps[i] != NULL)
             pool->base.opps[i]->funcs->opp_destroy(&pool->base.opps[i]);
     }
 
     for (i = 0; i < pool->base.res_cap->num_timing_generator; i++) {
         if (pool->base.timing_generators[i] != NULL)    {
             kfree(DCN10TG_FROM_TG(pool->base.timing_generators[i]));
             pool->base.timing_generators[i] = NULL;
         }
     }
 
     for (i = 0; i < pool->base.res_cap->num_dwb; i++) {
         if (pool->base.dwbc[i] != NULL) {
             kfree(TO_DCN30_DWBC(pool->base.dwbc[i]));
             pool->base.dwbc[i] = NULL;
         }
         if (pool->base.mcif_wb[i] != NULL) {
             kfree(TO_DCN30_MMHUBBUB(pool->base.mcif_wb[i]));
             pool->base.mcif_wb[i] = NULL;
         }
     }
 
     for (i = 0; i < pool->base.audio_count; i++) {
         if (pool->base.audios[i])
             dce_aud_destroy(&pool->base.audios[i]);
     }
 
     for (i = 0; i < pool->base.clk_src_count; i++) {
         if (pool->base.clock_sources[i] != NULL) {
             dcn20_clock_source_destroy(&pool->base.clock_sources[i]);
             pool->base.clock_sources[i] = NULL;
         }
     }
 
     for (i = 0; i < pool->base.res_cap->num_mpc_3dlut; i++) {
         if (pool->base.mpc_lut[i] != NULL) {
             dc_3dlut_func_release(pool->base.mpc_lut[i]);
             pool->base.mpc_lut[i] = NULL;
         }
         if (pool->base.mpc_shaper[i] != NULL) {
             dc_transfer_func_release(pool->base.mpc_shaper[i]);
             pool->base.mpc_shaper[i] = NULL;
         }
     }
 
     if (pool->base.dp_clock_source != NULL) {
         dcn20_clock_source_destroy(&pool->base.dp_clock_source);
         pool->base.dp_clock_source = NULL;
     }
 
     for (i = 0; i < pool->base.res_cap->num_timing_generator; i++) {
         if (pool->base.multiple_abms[i] != NULL)
             dce_abm_destroy(&pool->base.multiple_abms[i]);
     }
 
     if (pool->base.psr != NULL)
         dmub_psr_destroy(&pool->base.psr);
 
     if (pool->base.dccg != NULL)
         dcn_dccg_destroy(&pool->base.dccg);
 
     if (pool->base.oem_device != NULL)
         dal_ddc_service_destroy(&pool->base.oem_device);
 }
 
 
 static bool dcn32_dwbc_create(struct dc_context *ctx, struct resource_pool *pool)
 {
     int i;
     uint32_t dwb_count = pool->res_cap->num_dwb;
 
     for (i = 0; i < dwb_count; i++) {
         struct dcn30_dwbc *dwbc30 = kzalloc(sizeof(struct dcn30_dwbc),
                             GFP_KERNEL);
 
         if (!dwbc30) {
             dm_error("DC: failed to create dwbc30!\n");
             return false;
         }
 
         dcn30_dwbc_construct(dwbc30, ctx,
                 &dwbc30_regs[i],
                 &dwbc30_shift,
                 &dwbc30_mask,
                 i);
 
         pool->dwbc[i] = &dwbc30->base;
     }
     return true;
 }
 
 static bool dcn32_mmhubbub_create(struct dc_context *ctx, struct resource_pool *pool)
 {
     int i;
     uint32_t dwb_count = pool->res_cap->num_dwb;
 
     for (i = 0; i < dwb_count; i++) {
         struct dcn30_mmhubbub *mcif_wb30 = kzalloc(sizeof(struct dcn30_mmhubbub),
                             GFP_KERNEL);
 
         if (!mcif_wb30) {
             dm_error("DC: failed to create mcif_wb30!\n");
             return false;
         }
 
         dcn32_mmhubbub_construct(mcif_wb30, ctx,
                 &mcif_wb30_regs[i],
                 &mcif_wb30_shift,
                 &mcif_wb30_mask,
                 i);
 
         pool->mcif_wb[i] = &mcif_wb30->base;
     }
     return true;
 }
 
 static struct display_stream_compressor *dcn32_dsc_create(
     struct dc_context *ctx, uint32_t inst)
 {
     struct dcn20_dsc *dsc =
         kzalloc(sizeof(struct dcn20_dsc), GFP_KERNEL);
 
     if (!dsc) {
         BREAK_TO_DEBUGGER();
         return NULL;
     }
 
     dsc2_construct(dsc, ctx, inst, &dsc_regs[inst], &dsc_shift, &dsc_mask);
 
     dsc->max_image_width = 6016;
 
     return &dsc->base;
 }
 
 static void dcn32_destroy_resource_pool(struct resource_pool **pool)
 {
     struct dcn32_resource_pool *dcn32_pool = TO_DCN32_RES_POOL(*pool);
 
     dcn32_resource_destruct(dcn32_pool);
     kfree(dcn32_pool);
     *pool = NULL;
 }
 
 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 ret = false;
     union dc_3dlut_state *state;
 
     ASSERT(*lut == NULL && *shaper == NULL);
     *lut = NULL;
     *shaper = NULL;
 
     if (!res_ctx->is_mpc_3dlut_acquired[mpcc_id]) {
         *lut = pool->mpc_lut[mpcc_id];
         *shaper = pool->mpc_shaper[mpcc_id];
         state = &pool->mpc_lut[mpcc_id]->state;
         res_ctx->is_mpc_3dlut_acquired[mpcc_id] = true;
         ret = true;
     }
     return ret;
 }
 
 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)
 {
     int i;
     bool ret = false;
 
     for (i = 0; i < pool->res_cap->num_mpc_3dlut; i++) {
         if (pool->mpc_lut[i] == *lut && pool->mpc_shaper[i] == *shaper) {
             res_ctx->is_mpc_3dlut_acquired[i] = false;
             pool->mpc_lut[i]->state.raw = 0;
             *lut = NULL;
             *shaper = NULL;
             ret = true;
             break;
         }
     }
     return ret;
 }
 
 static void dcn32_enable_phantom_plane(struct dc *dc,
         struct dc_state *context,
         struct dc_stream_state *phantom_stream,
         unsigned int dc_pipe_idx)
 {
     struct dc_plane_state *phantom_plane = NULL;
     struct dc_plane_state *prev_phantom_plane = NULL;
     struct pipe_ctx *curr_pipe = &context->res_ctx.pipe_ctx[dc_pipe_idx];
 
     while (curr_pipe) {
         if (curr_pipe->top_pipe && curr_pipe->top_pipe->plane_state == curr_pipe->plane_state)
             phantom_plane = prev_phantom_plane;
         else
             phantom_plane = dc_create_plane_state(dc);
 
         memcpy(&phantom_plane->address, &curr_pipe->plane_state->address, sizeof(phantom_plane->address));
         memcpy(&phantom_plane->scaling_quality, &curr_pipe->plane_state->scaling_quality,
                 sizeof(phantom_plane->scaling_quality));
         memcpy(&phantom_plane->src_rect, &curr_pipe->plane_state->src_rect, sizeof(phantom_plane->src_rect));
         memcpy(&phantom_plane->dst_rect, &curr_pipe->plane_state->dst_rect, sizeof(phantom_plane->dst_rect));
         memcpy(&phantom_plane->clip_rect, &curr_pipe->plane_state->clip_rect, sizeof(phantom_plane->clip_rect));
         memcpy(&phantom_plane->plane_size, &curr_pipe->plane_state->plane_size,
                 sizeof(phantom_plane->plane_size));
         memcpy(&phantom_plane->tiling_info, &curr_pipe->plane_state->tiling_info,
                 sizeof(phantom_plane->tiling_info));
         memcpy(&phantom_plane->dcc, &curr_pipe->plane_state->dcc, sizeof(phantom_plane->dcc));
         phantom_plane->format = curr_pipe->plane_state->format;
         phantom_plane->rotation = curr_pipe->plane_state->rotation;
         phantom_plane->visible = curr_pipe->plane_state->visible;
 
         /* Shadow pipe has small viewport. */
         phantom_plane->clip_rect.y = 0;
         phantom_plane->clip_rect.height = phantom_stream->timing.v_addressable;
 
         dc_add_plane_to_context(dc, phantom_stream, phantom_plane, context);
 
         curr_pipe = curr_pipe->bottom_pipe;
         prev_phantom_plane = phantom_plane;
     }
 }
 
 static struct dc_stream_state *dcn32_enable_phantom_stream(struct dc *dc,
         struct dc_state *context,
         display_e2e_pipe_params_st *pipes,
         unsigned int pipe_cnt,
         unsigned int dc_pipe_idx)
 {
     struct dc_stream_state *phantom_stream = NULL;
     struct pipe_ctx *ref_pipe = &context->res_ctx.pipe_ctx[dc_pipe_idx];
 
     phantom_stream = dc_create_stream_for_sink(ref_pipe->stream->sink);
     phantom_stream->signal = SIGNAL_TYPE_VIRTUAL;
     phantom_stream->dpms_off = true;
     phantom_stream->mall_stream_config.type = SUBVP_PHANTOM;
     phantom_stream->mall_stream_config.paired_stream = ref_pipe->stream;
     ref_pipe->stream->mall_stream_config.type = SUBVP_MAIN;
     ref_pipe->stream->mall_stream_config.paired_stream = phantom_stream;
 
     /* stream has limited viewport and small timing */
     memcpy(&phantom_stream->timing, &ref_pipe->stream->timing, sizeof(phantom_stream->timing));
     memcpy(&phantom_stream->src, &ref_pipe->stream->src, sizeof(phantom_stream->src));
     memcpy(&phantom_stream->dst, &ref_pipe->stream->dst, sizeof(phantom_stream->dst));
     DC_FP_START();
     dcn32_set_phantom_stream_timing(dc, context, ref_pipe, phantom_stream, pipes, pipe_cnt, dc_pipe_idx);
     DC_FP_END();
 
     dc_add_stream_to_ctx(dc, context, phantom_stream);
     return phantom_stream;
 }
 
 // return true if removed piped from ctx, false otherwise
 bool dcn32_remove_phantom_pipes(struct dc *dc, struct dc_state *context)
 {
     int i;
     bool removed_pipe = false;
 
     for (i = 0; i < dc->res_pool->pipe_count; i++) {
         struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
         // build scaling params for phantom pipes
         if (pipe->plane_state && pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
             dc_rem_all_planes_for_stream(dc, pipe->stream, context);
             dc_remove_stream_from_ctx(dc, context, pipe->stream);
             removed_pipe = true;
         }
 
         // Clear all phantom stream info
         if (pipe->stream) {
             pipe->stream->mall_stream_config.type = SUBVP_NONE;
             pipe->stream->mall_stream_config.paired_stream = NULL;
         }
     }
     return removed_pipe;
 }
 
 /* TODO: Input to this function should indicate which pipe indexes (or streams)
  * require a phantom pipe / stream
  */
 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)
 {
     struct dc_stream_state *phantom_stream = NULL;
     unsigned int i;
 
     // The index of the DC pipe passed into this function is guarenteed to
     // be a valid candidate for SubVP (i.e. has a plane, stream, doesn't
     // already have phantom pipe assigned, etc.) by previous checks.
     phantom_stream = dcn32_enable_phantom_stream(dc, context, pipes, pipe_cnt, index);
     dcn32_enable_phantom_plane(dc, context, phantom_stream, index);
 
     for (i = 0; i < dc->res_pool->pipe_count; i++) {
         struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
 
         // Build scaling params for phantom pipes which were newly added.
         // We determine which phantom pipes were added by comparing with
         // the phantom stream.
         if (pipe->plane_state && pipe->stream && pipe->stream == phantom_stream &&
                 pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
             pipe->stream->use_dynamic_meta = false;
             pipe->plane_state->flip_immediate = false;
             if (!resource_build_scaling_params(pipe)) {
                 // Log / remove phantom pipes since failed to build scaling params
             }
         }
     }
 }
 
 bool dcn32_validate_bandwidth(struct dc *dc,
         struct dc_state *context,
         bool fast_validate)
 {
     bool out = false;
 
     BW_VAL_TRACE_SETUP();
 
     int vlevel = 0;
     int pipe_cnt = 0;
     display_e2e_pipe_params_st *pipes = kzalloc(dc->res_pool->pipe_count * sizeof(display_e2e_pipe_params_st), GFP_KERNEL);
     DC_LOGGER_INIT(dc->ctx->logger);
 
     BW_VAL_TRACE_COUNT();
 
     DC_FP_START();
     out = dcn32_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, fast_validate);
     DC_FP_END();
 
     if (pipe_cnt == 0)
         goto validate_out;
 
     if (!out)
         goto validate_fail;
 
     BW_VAL_TRACE_END_VOLTAGE_LEVEL();
 
     if (fast_validate) {
         BW_VAL_TRACE_SKIP(fast);
         goto validate_out;
     }
 
     dc->res_pool->funcs->calculate_wm_and_dlg(dc, context, pipes, pipe_cnt, vlevel);
 
     BW_VAL_TRACE_END_WATERMARKS();
 
     goto validate_out;
 
 validate_fail:
     DC_LOG_WARNING("Mode Validation Warning: %s failed validation.\n",
         dml_get_status_message(context->bw_ctx.dml.vba.ValidationStatus[context->bw_ctx.dml.vba.soc.num_states]));
 
     BW_VAL_TRACE_SKIP(fail);
     out = false;
 
 validate_out:
     kfree(pipes);
 
     BW_VAL_TRACE_FINISH();
 
     return out;
 }
 
 
 static bool is_dual_plane(enum surface_pixel_format format)
 {
     return format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN || format == SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA;
 }
 
 int dcn32_populate_dml_pipes_from_context(
     struct dc *dc, struct dc_state *context,
     display_e2e_pipe_params_st *pipes,
     bool fast_validate)
 {
     int i, pipe_cnt;
     struct resource_context *res_ctx = &context->res_ctx;
     struct pipe_ctx *pipe;
     bool subvp_in_use = false, is_pipe_split_expected[MAX_PIPES];
     int plane_count = 0;
     struct dc_crtc_timing *timing;
 
     dcn20_populate_dml_pipes_from_context(dc, context, pipes, fast_validate);
 
     for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) {
 
         if (!res_ctx->pipe_ctx[i].stream)
             continue;
         pipe = &res_ctx->pipe_ctx[i];
         timing = &pipe->stream->timing;
 
         pipes[pipe_cnt].pipe.src.gpuvm = true;
         pipes[pipe_cnt].pipe.src.dcc_fraction_of_zs_req_luma = 0;
         pipes[pipe_cnt].pipe.src.dcc_fraction_of_zs_req_chroma = 0;
         pipes[pipe_cnt].pipe.dest.vfront_porch = timing->v_front_porch;
         pipes[pipe_cnt].pipe.src.gpuvm_min_page_size_kbytes = 256; // according to spreadsheet
         pipes[pipe_cnt].pipe.src.unbounded_req_mode = false;
         pipes[pipe_cnt].pipe.scale_ratio_depth.lb_depth = dm_lb_19;
 
         switch (pipe->stream->mall_stream_config.type) {
         case SUBVP_MAIN:
             pipes[pipe_cnt].pipe.src.use_mall_for_pstate_change = dm_use_mall_pstate_change_sub_viewport;
             subvp_in_use = true;
             break;
         case SUBVP_PHANTOM:
             pipes[pipe_cnt].pipe.src.use_mall_for_pstate_change = dm_use_mall_pstate_change_phantom_pipe;
             pipes[pipe_cnt].pipe.src.use_mall_for_static_screen = dm_use_mall_static_screen_disable;
             // Disallow unbounded req for SubVP according to DCHUB programming guide
             pipes[pipe_cnt].pipe.src.unbounded_req_mode = false;
             break;
         case SUBVP_NONE:
             pipes[pipe_cnt].pipe.src.use_mall_for_pstate_change = dm_use_mall_pstate_change_disable;
             pipes[pipe_cnt].pipe.src.use_mall_for_static_screen = dm_use_mall_static_screen_disable;
             break;
         default:
             break;
         }
 
         pipes[pipe_cnt].dout.dsc_input_bpc = 0;
         if (pipes[pipe_cnt].dout.dsc_enable) {
             switch (timing->display_color_depth) {
             case COLOR_DEPTH_888:
                 pipes[pipe_cnt].dout.dsc_input_bpc = 8;
                 break;
             case COLOR_DEPTH_101010:
                 pipes[pipe_cnt].dout.dsc_input_bpc = 10;
                 break;
             case COLOR_DEPTH_121212:
                 pipes[pipe_cnt].dout.dsc_input_bpc = 12;
                 break;
             default:
                 ASSERT(0);
                 break;
             }
         }
 
         /* Calculate the number of planes we have so we can determine
          *  whether to apply ODM 2to1 policy or not
          */
         if (pipe->stream && !pipe->prev_odm_pipe &&
                 (!pipe->top_pipe || pipe->top_pipe->plane_state != pipe->plane_state))
             ++plane_count;
 
         DC_FP_START();
         is_pipe_split_expected[i] = dcn32_predict_pipe_split(context, pipes[i].pipe, i);
         DC_FP_END();
 
         pipe_cnt++;
     }
 
     /* Determine whether we will apply ODM 2to1 policy
      * Applies to single display and where the number of planes is less than 3
      * For 3 plane case ( 2 MPO planes ), we will not set the policy for the MPO pipes
      */
     for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) {
         if (!res_ctx->pipe_ctx[i].stream)
             continue;
         pipe = &res_ctx->pipe_ctx[i];
         timing = &pipe->stream->timing;
 
         pipes[pipe_cnt].pipe.dest.odm_combine_policy = dm_odm_combine_policy_dal;
         res_ctx->pipe_ctx[i].stream->odm_2to1_policy_applied  = false;
         if (context->stream_count == 1 && timing->dsc_cfg.num_slices_h != 1) {
             if (dc->debug.enable_single_display_2to1_odm_policy) {
                 if (!((plane_count > 2) && pipe->top_pipe))
                     pipes[pipe_cnt].pipe.dest.odm_combine_policy = dm_odm_combine_policy_2to1;
             }
             res_ctx->pipe_ctx[i].stream->odm_2to1_policy_applied = true;
         }
         pipe_cnt++;
     }
 
     /* For DET allocation, we don't want to use DML policy (not optimal for utilizing all
      * the DET available for each pipe). Use the DET override input to maintain our driver
      * policy.
      */
     if (pipe_cnt == 1 && !is_pipe_split_expected[0]) {
         pipes[0].pipe.src.det_size_override = DCN3_2_MAX_DET_SIZE;
         if (pipe->plane_state && !dc->debug.disable_z9_mpc) {
             if (!is_dual_plane(pipe->plane_state->format)) {
                 pipes[0].pipe.src.det_size_override = DCN3_2_DEFAULT_DET_SIZE;
                 pipes[0].pipe.src.unbounded_req_mode = true;
                 if (pipe->plane_state->src_rect.width >= 5120 &&
                     pipe->plane_state->src_rect.height >= 2880)
                     pipes[0].pipe.src.det_size_override = 320; // 5K or higher
             }
         }
     } else
         dcn32_determine_det_override(context, pipes, is_pipe_split_expected, dc->res_pool->pipe_count);
 
     // In general cases we want to keep the dram clock change requirement
     // (prefer configs that support MCLK switch). Only override to false
     // for SubVP
     if (subvp_in_use)
         context->bw_ctx.dml.soc.dram_clock_change_requirement_final = false;
     else
         context->bw_ctx.dml.soc.dram_clock_change_requirement_final = true;
 
     return pipe_cnt;
 }
 
 static struct dc_cap_funcs cap_funcs = {
     .get_dcc_compression_cap = dcn20_get_dcc_compression_cap
 };
 
 void dcn32_calculate_wm_and_dlg(struct dc *dc, struct dc_state *context,
                 display_e2e_pipe_params_st *pipes,
                 int pipe_cnt,
                 int vlevel)
 {
     DC_FP_START();
     dcn32_calculate_wm_and_dlg_fpu(dc, context, pipes, pipe_cnt, vlevel);
     DC_FP_END();
 }
 
 static void dcn32_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params)
 {
     DC_FP_START();
     dcn32_update_bw_bounding_box_fpu(dc, bw_params);
     DC_FP_END();
 }
 
 static struct resource_funcs dcn32_res_pool_funcs = {
     .destroy = dcn32_destroy_resource_pool,
     .link_enc_create = dcn32_link_encoder_create,
     .link_enc_create_minimal = NULL,
     .panel_cntl_create = dcn32_panel_cntl_create,
     .validate_bandwidth = dcn32_validate_bandwidth,
     .calculate_wm_and_dlg = dcn32_calculate_wm_and_dlg,
     .populate_dml_pipes = dcn32_populate_dml_pipes_from_context,
     .acquire_idle_pipe_for_head_pipe_in_layer = dcn32_acquire_idle_pipe_for_head_pipe_in_layer,
     .add_stream_to_ctx = dcn30_add_stream_to_ctx,
     .add_dsc_to_stream_resource = dcn20_add_dsc_to_stream_resource,
     .remove_stream_from_ctx = dcn20_remove_stream_from_ctx,
     .populate_dml_writeback_from_context = dcn30_populate_dml_writeback_from_context,
     .set_mcif_arb_params = dcn30_set_mcif_arb_params,
     .find_first_free_match_stream_enc_for_link = dcn10_find_first_free_match_stream_enc_for_link,
     .acquire_post_bldn_3dlut = dcn32_acquire_post_bldn_3dlut,
     .release_post_bldn_3dlut = dcn32_release_post_bldn_3dlut,
     .update_bw_bounding_box = dcn32_update_bw_bounding_box,
     .patch_unknown_plane_state = dcn20_patch_unknown_plane_state,
     .update_soc_for_wm_a = dcn30_update_soc_for_wm_a,
     .add_phantom_pipes = dcn32_add_phantom_pipes,
     .remove_phantom_pipes = dcn32_remove_phantom_pipes,
 };
 
 
 static bool dcn32_resource_construct(
     uint8_t num_virtual_links,
     struct dc *dc,
     struct dcn32_resource_pool *pool)
 {
     int i, j;
     struct dc_context *ctx = dc->ctx;
     struct irq_service_init_data init_data;
     struct ddc_service_init_data ddc_init_data = {0};
     uint32_t pipe_fuses = 0;
     uint32_t num_pipes  = 4;
 
     DC_FP_START();
 
     ctx->dc_bios->regs = &bios_regs;
 
     pool->base.res_cap = &res_cap_dcn32;
     /* max number of pipes for ASIC before checking for pipe fuses */
     num_pipes  = pool->base.res_cap->num_timing_generator;
     pipe_fuses = REG_READ(CC_DC_PIPE_DIS);
 
     for (i = 0; i < pool->base.res_cap->num_timing_generator; i++)
         if (pipe_fuses & 1 << i)
             num_pipes--;
 
     if (pipe_fuses & 1)
         ASSERT(0); //Unexpected - Pipe 0 should always be fully functional!
 
     if (pipe_fuses & CC_DC_PIPE_DIS__DC_FULL_DIS_MASK)
         ASSERT(0); //Entire DCN is harvested!
 
     /* within dml lib, initial value is hard coded, if ASIC pipe is fused, the
      * value will be changed, update max_num_dpp and max_num_otg for dml.
      */
     dcn3_2_ip.max_num_dpp = num_pipes;
     dcn3_2_ip.max_num_otg = num_pipes;
 
     pool->base.funcs = &dcn32_res_pool_funcs;
 
     /*************************************************
      *  Resource + asic cap harcoding                *
      *************************************************/
     pool->base.underlay_pipe_index = NO_UNDERLAY_PIPE;
     pool->base.timing_generator_count = num_pipes;
     pool->base.pipe_count = num_pipes;
     pool->base.mpcc_count = num_pipes;
     dc->caps.max_downscale_ratio = 600;
     dc->caps.i2c_speed_in_khz = 100;
     dc->caps.i2c_speed_in_khz_hdcp = 100; /*1.4 w/a applied by default*/
     /* TODO: Bring max_cursor_size back to 256 after subvp cursor corruption is fixed*/
     dc->caps.max_cursor_size = 64;
     dc->caps.min_horizontal_blanking_period = 80;
     dc->caps.dmdata_alloc_size = 2048;
     dc->caps.mall_size_per_mem_channel = 0;
     dc->caps.mall_size_total = 0;
     dc->caps.cursor_cache_size = dc->caps.max_cursor_size * dc->caps.max_cursor_size * 8;
 
     dc->caps.cache_line_size = 64;
     dc->caps.cache_num_ways = 16;
     dc->caps.max_cab_allocation_bytes = 67108864; // 64MB = 1024 * 1024 * 64
     dc->caps.subvp_fw_processing_delay_us = 15;
     dc->caps.subvp_prefetch_end_to_mall_start_us = 15;
     dc->caps.subvp_swath_height_margin_lines = 16;
     dc->caps.subvp_pstate_allow_width_us = 20;
     dc->caps.subvp_vertical_int_margin_us = 30;
 
     dc->caps.max_slave_planes = 2;
     dc->caps.max_slave_yuv_planes = 2;
     dc->caps.max_slave_rgb_planes = 2;
     dc->caps.post_blend_color_processing = true;
     dc->caps.force_dp_tps4_for_cp2520 = true;
     dc->caps.dp_hpo = true;
     dc->caps.dp_hdmi21_pcon_support = true;
     dc->caps.edp_dsc_support = true;
     dc->caps.extended_aux_timeout_support = true;
     dc->caps.dmcub_support = true;
 
     /* Color pipeline capabilities */
     dc->caps.color.dpp.dcn_arch = 1;
     dc->caps.color.dpp.input_lut_shared = 0;
     dc->caps.color.dpp.icsc = 1;
     dc->caps.color.dpp.dgam_ram = 0; // must use gamma_corr
     dc->caps.color.dpp.dgam_rom_caps.srgb = 1;
     dc->caps.color.dpp.dgam_rom_caps.bt2020 = 1;
     dc->caps.color.dpp.dgam_rom_caps.gamma2_2 = 1;
     dc->caps.color.dpp.dgam_rom_caps.pq = 1;
     dc->caps.color.dpp.dgam_rom_caps.hlg = 1;
     dc->caps.color.dpp.post_csc = 1;
     dc->caps.color.dpp.gamma_corr = 1;
     dc->caps.color.dpp.dgam_rom_for_yuv = 0;
 
     dc->caps.color.dpp.hw_3d_lut = 1;
     dc->caps.color.dpp.ogam_ram = 0;  // no OGAM in DPP since DCN1
     // no OGAM ROM on DCN2 and later ASICs
     dc->caps.color.dpp.ogam_rom_caps.srgb = 0;
     dc->caps.color.dpp.ogam_rom_caps.bt2020 = 0;
     dc->caps.color.dpp.ogam_rom_caps.gamma2_2 = 0;
     dc->caps.color.dpp.ogam_rom_caps.pq = 0;
     dc->caps.color.dpp.ogam_rom_caps.hlg = 0;
     dc->caps.color.dpp.ocsc = 0;
 
     dc->caps.color.mpc.gamut_remap = 1;
     dc->caps.color.mpc.num_3dluts = pool->base.res_cap->num_mpc_3dlut; //4, configurable to be before or after BLND in MPCC
     dc->caps.color.mpc.ogam_ram = 1;
     dc->caps.color.mpc.ogam_rom_caps.srgb = 0;
     dc->caps.color.mpc.ogam_rom_caps.bt2020 = 0;
     dc->caps.color.mpc.ogam_rom_caps.gamma2_2 = 0;
     dc->caps.color.mpc.ogam_rom_caps.pq = 0;
     dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
     dc->caps.color.mpc.ocsc = 1;
 
     /* Use pipe context based otg sync logic */
     dc->config.use_pipe_ctx_sync_logic = true;
 
     /* read VBIOS LTTPR caps */
     {
         if (ctx->dc_bios->funcs->get_lttpr_caps) {
             enum bp_result bp_query_result;
             uint8_t is_vbios_lttpr_enable = 0;
 
             bp_query_result = ctx->dc_bios->funcs->get_lttpr_caps(ctx->dc_bios, &is_vbios_lttpr_enable);
             dc->caps.vbios_lttpr_enable = (bp_query_result == BP_RESULT_OK) && !!is_vbios_lttpr_enable;
         }
 
         /* interop bit is implicit */
         {
             dc->caps.vbios_lttpr_aware = true;
         }
     }
 
     if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
         dc->debug = debug_defaults_drv;
     else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) {
         dc->debug = debug_defaults_diags;
     } else
         dc->debug = debug_defaults_diags;
     // Init the vm_helper
     if (dc->vm_helper)
         vm_helper_init(dc->vm_helper, 16);
 
     /*************************************************
      *  Create resources                             *
      *************************************************/
 
     /* Clock Sources for Pixel Clock*/
     pool->base.clock_sources[DCN32_CLK_SRC_PLL0] =
             dcn32_clock_source_create(ctx, ctx->dc_bios,
                 CLOCK_SOURCE_COMBO_PHY_PLL0,
                 &clk_src_regs[0], false);
     pool->base.clock_sources[DCN32_CLK_SRC_PLL1] =
             dcn32_clock_source_create(ctx, ctx->dc_bios,
                 CLOCK_SOURCE_COMBO_PHY_PLL1,
                 &clk_src_regs[1], false);
     pool->base.clock_sources[DCN32_CLK_SRC_PLL2] =
             dcn32_clock_source_create(ctx, ctx->dc_bios,
                 CLOCK_SOURCE_COMBO_PHY_PLL2,
                 &clk_src_regs[2], false);
     pool->base.clock_sources[DCN32_CLK_SRC_PLL3] =
             dcn32_clock_source_create(ctx, ctx->dc_bios,
                 CLOCK_SOURCE_COMBO_PHY_PLL3,
                 &clk_src_regs[3], false);
     pool->base.clock_sources[DCN32_CLK_SRC_PLL4] =
             dcn32_clock_source_create(ctx, ctx->dc_bios,
                 CLOCK_SOURCE_COMBO_PHY_PLL4,
                 &clk_src_regs[4], false);
 
     pool->base.clk_src_count = DCN32_CLK_SRC_TOTAL;
 
     /* todo: not reuse phy_pll registers */
     pool->base.dp_clock_source =
             dcn32_clock_source_create(ctx, ctx->dc_bios,
                 CLOCK_SOURCE_ID_DP_DTO,
                 &clk_src_regs[0], true);
 
     for (i = 0; i < pool->base.clk_src_count; i++) {
         if (pool->base.clock_sources[i] == NULL) {
             dm_error("DC: failed to create clock sources!\n");
             BREAK_TO_DEBUGGER();
             goto create_fail;
         }
     }
 
     /* DCCG */
     pool->base.dccg = dccg32_create(ctx, &dccg_regs, &dccg_shift, &dccg_mask);
     if (pool->base.dccg == NULL) {
         dm_error("DC: failed to create dccg!\n");
         BREAK_TO_DEBUGGER();
         goto create_fail;
     }
 
     /* DML */
     if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
         dml_init_instance(&dc->dml, &dcn3_2_soc, &dcn3_2_ip, DML_PROJECT_DCN32);
 
     /* IRQ Service */
     init_data.ctx = dc->ctx;
     pool->base.irqs = dal_irq_service_dcn32_create(&init_data);
     if (!pool->base.irqs)
         goto create_fail;
 
     /* HUBBUB */
     pool->base.hubbub = dcn32_hubbub_create(ctx);
     if (pool->base.hubbub == NULL) {
         BREAK_TO_DEBUGGER();
         dm_error("DC: failed to create hubbub!\n");
         goto create_fail;
     }
 
     /* HUBPs, DPPs, OPPs, TGs, ABMs */
     for (i = 0, j = 0; i < pool->base.res_cap->num_timing_generator; i++) {
 
         /* if pipe is disabled, skip instance of HW pipe,
          * i.e, skip ASIC register instance
          */
         if (pipe_fuses & 1 << i)
             continue;
 
         /* HUBPs */
         pool->base.hubps[j] = dcn32_hubp_create(ctx, i);
         if (pool->base.hubps[j] == NULL) {
             BREAK_TO_DEBUGGER();
             dm_error(
                 "DC: failed to create hubps!\n");
             goto create_fail;
         }
 
         /* DPPs */
         pool->base.dpps[j] = dcn32_dpp_create(ctx, i);
         if (pool->base.dpps[j] == NULL) {
             BREAK_TO_DEBUGGER();
             dm_error(
                 "DC: failed to create dpps!\n");
             goto create_fail;
         }
 
         /* OPPs */
         pool->base.opps[j] = dcn32_opp_create(ctx, i);
         if (pool->base.opps[j] == NULL) {
             BREAK_TO_DEBUGGER();
             dm_error(
                 "DC: failed to create output pixel processor!\n");
             goto create_fail;
         }
 
         /* TGs */
         pool->base.timing_generators[j] = dcn32_timing_generator_create(
                 ctx, i);
         if (pool->base.timing_generators[j] == NULL) {
             BREAK_TO_DEBUGGER();
             dm_error("DC: failed to create tg!\n");
             goto create_fail;
         }
 
         /* ABMs */
         pool->base.multiple_abms[j] = dmub_abm_create(ctx,
                 &abm_regs[i],
                 &abm_shift,
                 &abm_mask);
         if (pool->base.multiple_abms[j] == NULL) {
             dm_error("DC: failed to create abm for pipe %d!\n", i);
             BREAK_TO_DEBUGGER();
             goto create_fail;
         }
 
         /* index for resource pool arrays for next valid pipe */
         j++;
     }
 
     /* PSR */
     pool->base.psr = dmub_psr_create(ctx);
     if (pool->base.psr == NULL) {
         dm_error("DC: failed to create psr obj!\n");
         BREAK_TO_DEBUGGER();
         goto create_fail;
     }
 
     /* MPCCs */
     pool->base.mpc = dcn32_mpc_create(ctx, pool->base.res_cap->num_timing_generator, pool->base.res_cap->num_mpc_3dlut);
     if (pool->base.mpc == NULL) {
         BREAK_TO_DEBUGGER();
         dm_error("DC: failed to create mpc!\n");
         goto create_fail;
     }
 
     /* DSCs */
     for (i = 0; i < pool->base.res_cap->num_dsc; i++) {
         pool->base.dscs[i] = dcn32_dsc_create(ctx, i);
         if (pool->base.dscs[i] == NULL) {
             BREAK_TO_DEBUGGER();
             dm_error("DC: failed to create display stream compressor %d!\n", i);
             goto create_fail;
         }
     }
 
     /* DWB */
     if (!dcn32_dwbc_create(ctx, &pool->base)) {
         BREAK_TO_DEBUGGER();
         dm_error("DC: failed to create dwbc!\n");
         goto create_fail;
     }
 
     /* MMHUBBUB */
     if (!dcn32_mmhubbub_create(ctx, &pool->base)) {
         BREAK_TO_DEBUGGER();
         dm_error("DC: failed to create mcif_wb!\n");
         goto create_fail;
     }
 
     /* AUX and I2C */
     for (i = 0; i < pool->base.res_cap->num_ddc; i++) {
         pool->base.engines[i] = dcn32_aux_engine_create(ctx, i);
         if (pool->base.engines[i] == NULL) {
             BREAK_TO_DEBUGGER();
             dm_error(
                 "DC:failed to create aux engine!!\n");
             goto create_fail;
         }
         pool->base.hw_i2cs[i] = dcn32_i2c_hw_create(ctx, i);
         if (pool->base.hw_i2cs[i] == NULL) {
             BREAK_TO_DEBUGGER();
             dm_error(
                 "DC:failed to create hw i2c!!\n");
             goto create_fail;
         }
         pool->base.sw_i2cs[i] = NULL;
     }
 
     /* Audio, HWSeq, Stream Encoders including HPO and virtual, MPC 3D LUTs */
     if (!resource_construct(num_virtual_links, dc, &pool->base,
             (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment) ?
             &res_create_funcs : &res_create_maximus_funcs)))
             goto create_fail;
 
     /* HW Sequencer init functions and Plane caps */
     dcn32_hw_sequencer_init_functions(dc);
 
     dc->caps.max_planes =  pool->base.pipe_count;
 
     for (i = 0; i < dc->caps.max_planes; ++i)
         dc->caps.planes[i] = plane_cap;
 
     dc->cap_funcs = cap_funcs;
 
     if (dc->ctx->dc_bios->fw_info.oem_i2c_present) {
         ddc_init_data.ctx = dc->ctx;
         ddc_init_data.link = NULL;
         ddc_init_data.id.id = dc->ctx->dc_bios->fw_info.oem_i2c_obj_id;
         ddc_init_data.id.enum_id = 0;
         ddc_init_data.id.type = OBJECT_TYPE_GENERIC;
         pool->base.oem_device = dal_ddc_service_create(&ddc_init_data);
     } else {
         pool->base.oem_device = NULL;
     }
 
     DC_FP_END();
 
     return true;
 
 create_fail:
 
     DC_FP_END();
 
     dcn32_resource_destruct(pool);
 
     return false;
 }
 
 struct resource_pool *dcn32_create_resource_pool(
         const struct dc_init_data *init_data,
         struct dc *dc)
 {
     struct dcn32_resource_pool *pool =
         kzalloc(sizeof(struct dcn32_resource_pool), GFP_KERNEL);
 
     if (!pool)
         return NULL;
 
     if (dcn32_resource_construct(init_data->num_virtual_links, dc, pool))
         return &pool->base;
 
     BREAK_TO_DEBUGGER();
     kfree(pool);
     return NULL;
 }
 
 static struct pipe_ctx *find_idle_secondary_pipe_check_mpo(
         struct resource_context *res_ctx,
         const struct resource_pool *pool,
         const struct pipe_ctx *primary_pipe)
 {
     int i;
     struct pipe_ctx *secondary_pipe = NULL;
     struct pipe_ctx *next_odm_mpo_pipe = NULL;
     int primary_index, preferred_pipe_idx;
     struct pipe_ctx *old_primary_pipe = NULL;
 
     /*
      * Modified from find_idle_secondary_pipe
      * With windowed MPO and ODM, we want to avoid the case where we want a
      *  free pipe for the left side but the free pipe is being used on the
      *  right side.
      * Add check on current_state if the primary_pipe is the left side,
      *  to check the right side ( primary_pipe->next_odm_pipe ) to see if
      *  it is using a pipe for MPO ( primary_pipe->next_odm_pipe->bottom_pipe )
      * - If so, then don't use this pipe
      * EXCEPTION - 3 plane ( 2 MPO plane ) case
      * - in this case, the primary pipe has already gotten a free pipe for the
      *  MPO window in the left
      * - when it tries to get a free pipe for the MPO window on the right,
      *  it will see that it is already assigned to the right side
      *  ( primary_pipe->next_odm_pipe ).  But in this case, we want this
      *  free pipe, since it will be for the right side.  So add an
      *  additional condition, that skipping the free pipe on the right only
      *  applies if the primary pipe has no bottom pipe currently assigned
      */
     if (primary_pipe) {
         primary_index = primary_pipe->pipe_idx;
         old_primary_pipe = &primary_pipe->stream->ctx->dc->current_state->res_ctx.pipe_ctx[primary_index];
         if ((old_primary_pipe->next_odm_pipe) && (old_primary_pipe->next_odm_pipe->bottom_pipe)
             && (!primary_pipe->bottom_pipe))
             next_odm_mpo_pipe = old_primary_pipe->next_odm_pipe->bottom_pipe;
 
         preferred_pipe_idx = (pool->pipe_count - 1) - primary_pipe->pipe_idx;
         if ((res_ctx->pipe_ctx[preferred_pipe_idx].stream == NULL) &&
             !(next_odm_mpo_pipe && next_odm_mpo_pipe->pipe_idx == preferred_pipe_idx)) {
             secondary_pipe = &res_ctx->pipe_ctx[preferred_pipe_idx];
             secondary_pipe->pipe_idx = preferred_pipe_idx;
         }
     }
 
     /*
      * search backwards for the second pipe to keep pipe
      * assignment more consistent
      */
     if (!secondary_pipe)
         for (i = pool->pipe_count - 1; i >= 0; i--) {
             if ((res_ctx->pipe_ctx[i].stream == NULL) &&
                 !(next_odm_mpo_pipe && next_odm_mpo_pipe->pipe_idx == i)) {
                 secondary_pipe = &res_ctx->pipe_ctx[i];
                 secondary_pipe->pipe_idx = i;
                 break;
             }
         }
 
     return secondary_pipe;
 }
 
 struct pipe_ctx *dcn32_acquire_idle_pipe_for_head_pipe_in_layer(
         struct dc_state *state,
         const struct resource_pool *pool,
         struct dc_stream_state *stream,
         struct pipe_ctx *head_pipe)
 {
     struct resource_context *res_ctx = &state->res_ctx;
     struct pipe_ctx *idle_pipe, *pipe;
     struct resource_context *old_ctx = &stream->ctx->dc->current_state->res_ctx;
     int head_index;
 
     if (!head_pipe)
         ASSERT(0);
 
     /*
      * Modified from dcn20_acquire_idle_pipe_for_layer
      * Check if head_pipe in old_context already has bottom_pipe allocated.
      * - If so, check if that pipe is available in the current context.
      * --  If so, reuse pipe from old_context
      */
     head_index = head_pipe->pipe_idx;
     pipe = &old_ctx->pipe_ctx[head_index];
     if (pipe->bottom_pipe && res_ctx->pipe_ctx[pipe->bottom_pipe->pipe_idx].stream == NULL) {
         idle_pipe = &res_ctx->pipe_ctx[pipe->bottom_pipe->pipe_idx];
         idle_pipe->pipe_idx = pipe->bottom_pipe->pipe_idx;
     } else {
         idle_pipe = find_idle_secondary_pipe_check_mpo(res_ctx, pool, head_pipe);
         if (!idle_pipe)
             return NULL;
     }
 
     idle_pipe->stream = head_pipe->stream;
     idle_pipe->stream_res.tg = head_pipe->stream_res.tg;
     idle_pipe->stream_res.opp = head_pipe->stream_res.opp;
 
     idle_pipe->plane_res.hubp = pool->hubps[idle_pipe->pipe_idx];
     idle_pipe->plane_res.ipp = pool->ipps[idle_pipe->pipe_idx];
     idle_pipe->plane_res.dpp = pool->dpps[idle_pipe->pipe_idx];
     idle_pipe->plane_res.mpcc_inst = pool->dpps[idle_pipe->pipe_idx]->inst;
 
     return idle_pipe;
 }

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