cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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dcn20_resource.c (76237B)


      1/*
      2* Copyright 2016 Advanced Micro Devices, Inc.
      3 * Copyright 2019 Raptor Engineering, LLC
      4 *
      5 * Permission is hereby granted, free of charge, to any person obtaining a
      6 * copy of this software and associated documentation files (the "Software"),
      7 * to deal in the Software without restriction, including without limitation
      8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      9 * and/or sell copies of the Software, and to permit persons to whom the
     10 * Software is furnished to do so, subject to the following conditions:
     11 *
     12 * The above copyright notice and this permission notice shall be included in
     13 * all copies or substantial portions of the Software.
     14 *
     15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     21 * OTHER DEALINGS IN THE SOFTWARE.
     22 *
     23 * Authors: AMD
     24 *
     25 */
     26
     27#include <linux/slab.h>
     28
     29#include "dm_services.h"
     30#include "dc.h"
     31
     32#include "dcn20_init.h"
     33
     34#include "resource.h"
     35#include "include/irq_service_interface.h"
     36#include "dcn20/dcn20_resource.h"
     37
     38#include "dml/dcn20/dcn20_fpu.h"
     39
     40#include "dcn10/dcn10_hubp.h"
     41#include "dcn10/dcn10_ipp.h"
     42#include "dcn20_hubbub.h"
     43#include "dcn20_mpc.h"
     44#include "dcn20_hubp.h"
     45#include "irq/dcn20/irq_service_dcn20.h"
     46#include "dcn20_dpp.h"
     47#include "dcn20_optc.h"
     48#include "dcn20_hwseq.h"
     49#include "dce110/dce110_hw_sequencer.h"
     50#include "dcn10/dcn10_resource.h"
     51#include "dcn20_opp.h"
     52
     53#include "dcn20_dsc.h"
     54
     55#include "dcn20_link_encoder.h"
     56#include "dcn20_stream_encoder.h"
     57#include "dce/dce_clock_source.h"
     58#include "dce/dce_audio.h"
     59#include "dce/dce_hwseq.h"
     60#include "virtual/virtual_stream_encoder.h"
     61#include "dce110/dce110_resource.h"
     62#include "dml/display_mode_vba.h"
     63#include "dcn20_dccg.h"
     64#include "dcn20_vmid.h"
     65#include "dc_link_ddc.h"
     66#include "dce/dce_panel_cntl.h"
     67
     68#include "navi10_ip_offset.h"
     69
     70#include "dcn/dcn_2_0_0_offset.h"
     71#include "dcn/dcn_2_0_0_sh_mask.h"
     72#include "dpcs/dpcs_2_0_0_offset.h"
     73#include "dpcs/dpcs_2_0_0_sh_mask.h"
     74
     75#include "nbio/nbio_2_3_offset.h"
     76
     77#include "dcn20/dcn20_dwb.h"
     78#include "dcn20/dcn20_mmhubbub.h"
     79
     80#include "mmhub/mmhub_2_0_0_offset.h"
     81#include "mmhub/mmhub_2_0_0_sh_mask.h"
     82
     83#include "reg_helper.h"
     84#include "dce/dce_abm.h"
     85#include "dce/dce_dmcu.h"
     86#include "dce/dce_aux.h"
     87#include "dce/dce_i2c.h"
     88#include "vm_helper.h"
     89#include "link_enc_cfg.h"
     90
     91#include "amdgpu_socbb.h"
     92
     93#define DC_LOGGER_INIT(logger)
     94
     95#ifndef mmDP0_DP_DPHY_INTERNAL_CTRL
     96	#define mmDP0_DP_DPHY_INTERNAL_CTRL		0x210f
     97	#define mmDP0_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
     98	#define mmDP1_DP_DPHY_INTERNAL_CTRL		0x220f
     99	#define mmDP1_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
    100	#define mmDP2_DP_DPHY_INTERNAL_CTRL		0x230f
    101	#define mmDP2_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
    102	#define mmDP3_DP_DPHY_INTERNAL_CTRL		0x240f
    103	#define mmDP3_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
    104	#define mmDP4_DP_DPHY_INTERNAL_CTRL		0x250f
    105	#define mmDP4_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
    106	#define mmDP5_DP_DPHY_INTERNAL_CTRL		0x260f
    107	#define mmDP5_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
    108	#define mmDP6_DP_DPHY_INTERNAL_CTRL		0x270f
    109	#define mmDP6_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
    110#endif
    111
    112
    113enum dcn20_clk_src_array_id {
    114	DCN20_CLK_SRC_PLL0,
    115	DCN20_CLK_SRC_PLL1,
    116	DCN20_CLK_SRC_PLL2,
    117	DCN20_CLK_SRC_PLL3,
    118	DCN20_CLK_SRC_PLL4,
    119	DCN20_CLK_SRC_PLL5,
    120	DCN20_CLK_SRC_TOTAL
    121};
    122
    123/* begin *********************
    124 * macros to expend register list macro defined in HW object header file */
    125
    126/* DCN */
    127/* TODO awful hack. fixup dcn20_dwb.h */
    128#undef BASE_INNER
    129#define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg
    130
    131#define BASE(seg) BASE_INNER(seg)
    132
    133#define SR(reg_name)\
    134		.reg_name = BASE(mm ## reg_name ## _BASE_IDX) +  \
    135					mm ## reg_name
    136
    137#define SRI(reg_name, block, id)\
    138	.reg_name = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
    139					mm ## block ## id ## _ ## reg_name
    140
    141#define SRIR(var_name, reg_name, block, id)\
    142	.var_name = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
    143					mm ## block ## id ## _ ## reg_name
    144
    145#define SRII(reg_name, block, id)\
    146	.reg_name[id] = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
    147					mm ## block ## id ## _ ## reg_name
    148
    149#define DCCG_SRII(reg_name, block, id)\
    150	.block ## _ ## reg_name[id] = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
    151					mm ## block ## id ## _ ## reg_name
    152
    153#define VUPDATE_SRII(reg_name, block, id)\
    154	.reg_name[id] = BASE(mm ## reg_name ## _ ## block ## id ## _BASE_IDX) + \
    155					mm ## reg_name ## _ ## block ## id
    156
    157/* NBIO */
    158#define NBIO_BASE_INNER(seg) \
    159	NBIO_BASE__INST0_SEG ## seg
    160
    161#define NBIO_BASE(seg) \
    162	NBIO_BASE_INNER(seg)
    163
    164#define NBIO_SR(reg_name)\
    165		.reg_name = NBIO_BASE(mm ## reg_name ## _BASE_IDX) + \
    166					mm ## reg_name
    167
    168/* MMHUB */
    169#define MMHUB_BASE_INNER(seg) \
    170	MMHUB_BASE__INST0_SEG ## seg
    171
    172#define MMHUB_BASE(seg) \
    173	MMHUB_BASE_INNER(seg)
    174
    175#define MMHUB_SR(reg_name)\
    176		.reg_name = MMHUB_BASE(mmMM ## reg_name ## _BASE_IDX) + \
    177					mmMM ## reg_name
    178
    179static const struct bios_registers bios_regs = {
    180		NBIO_SR(BIOS_SCRATCH_3),
    181		NBIO_SR(BIOS_SCRATCH_6)
    182};
    183
    184#define clk_src_regs(index, pllid)\
    185[index] = {\
    186	CS_COMMON_REG_LIST_DCN2_0(index, pllid),\
    187}
    188
    189static const struct dce110_clk_src_regs clk_src_regs[] = {
    190	clk_src_regs(0, A),
    191	clk_src_regs(1, B),
    192	clk_src_regs(2, C),
    193	clk_src_regs(3, D),
    194	clk_src_regs(4, E),
    195	clk_src_regs(5, F)
    196};
    197
    198static const struct dce110_clk_src_shift cs_shift = {
    199		CS_COMMON_MASK_SH_LIST_DCN2_0(__SHIFT)
    200};
    201
    202static const struct dce110_clk_src_mask cs_mask = {
    203		CS_COMMON_MASK_SH_LIST_DCN2_0(_MASK)
    204};
    205
    206static const struct dce_dmcu_registers dmcu_regs = {
    207		DMCU_DCN10_REG_LIST()
    208};
    209
    210static const struct dce_dmcu_shift dmcu_shift = {
    211		DMCU_MASK_SH_LIST_DCN10(__SHIFT)
    212};
    213
    214static const struct dce_dmcu_mask dmcu_mask = {
    215		DMCU_MASK_SH_LIST_DCN10(_MASK)
    216};
    217
    218static const struct dce_abm_registers abm_regs = {
    219		ABM_DCN20_REG_LIST()
    220};
    221
    222static const struct dce_abm_shift abm_shift = {
    223		ABM_MASK_SH_LIST_DCN20(__SHIFT)
    224};
    225
    226static const struct dce_abm_mask abm_mask = {
    227		ABM_MASK_SH_LIST_DCN20(_MASK)
    228};
    229
    230#define audio_regs(id)\
    231[id] = {\
    232		AUD_COMMON_REG_LIST(id)\
    233}
    234
    235static const struct dce_audio_registers audio_regs[] = {
    236	audio_regs(0),
    237	audio_regs(1),
    238	audio_regs(2),
    239	audio_regs(3),
    240	audio_regs(4),
    241	audio_regs(5),
    242	audio_regs(6),
    243};
    244
    245#define DCE120_AUD_COMMON_MASK_SH_LIST(mask_sh)\
    246		SF(AZF0ENDPOINT0_AZALIA_F0_CODEC_ENDPOINT_INDEX, AZALIA_ENDPOINT_REG_INDEX, mask_sh),\
    247		SF(AZF0ENDPOINT0_AZALIA_F0_CODEC_ENDPOINT_DATA, AZALIA_ENDPOINT_REG_DATA, mask_sh),\
    248		AUD_COMMON_MASK_SH_LIST_BASE(mask_sh)
    249
    250static const struct dce_audio_shift audio_shift = {
    251		DCE120_AUD_COMMON_MASK_SH_LIST(__SHIFT)
    252};
    253
    254static const struct dce_audio_mask audio_mask = {
    255		DCE120_AUD_COMMON_MASK_SH_LIST(_MASK)
    256};
    257
    258#define stream_enc_regs(id)\
    259[id] = {\
    260	SE_DCN2_REG_LIST(id)\
    261}
    262
    263static const struct dcn10_stream_enc_registers stream_enc_regs[] = {
    264	stream_enc_regs(0),
    265	stream_enc_regs(1),
    266	stream_enc_regs(2),
    267	stream_enc_regs(3),
    268	stream_enc_regs(4),
    269	stream_enc_regs(5),
    270};
    271
    272static const struct dcn10_stream_encoder_shift se_shift = {
    273		SE_COMMON_MASK_SH_LIST_DCN20(__SHIFT)
    274};
    275
    276static const struct dcn10_stream_encoder_mask se_mask = {
    277		SE_COMMON_MASK_SH_LIST_DCN20(_MASK)
    278};
    279
    280
    281#define aux_regs(id)\
    282[id] = {\
    283	DCN2_AUX_REG_LIST(id)\
    284}
    285
    286static const struct dcn10_link_enc_aux_registers link_enc_aux_regs[] = {
    287		aux_regs(0),
    288		aux_regs(1),
    289		aux_regs(2),
    290		aux_regs(3),
    291		aux_regs(4),
    292		aux_regs(5)
    293};
    294
    295#define hpd_regs(id)\
    296[id] = {\
    297	HPD_REG_LIST(id)\
    298}
    299
    300static const struct dcn10_link_enc_hpd_registers link_enc_hpd_regs[] = {
    301		hpd_regs(0),
    302		hpd_regs(1),
    303		hpd_regs(2),
    304		hpd_regs(3),
    305		hpd_regs(4),
    306		hpd_regs(5)
    307};
    308
    309#define link_regs(id, phyid)\
    310[id] = {\
    311	LE_DCN10_REG_LIST(id), \
    312	UNIPHY_DCN2_REG_LIST(phyid), \
    313	DPCS_DCN2_REG_LIST(id), \
    314	SRI(DP_DPHY_INTERNAL_CTRL, DP, id) \
    315}
    316
    317static const struct dcn10_link_enc_registers link_enc_regs[] = {
    318	link_regs(0, A),
    319	link_regs(1, B),
    320	link_regs(2, C),
    321	link_regs(3, D),
    322	link_regs(4, E),
    323	link_regs(5, F)
    324};
    325
    326static const struct dcn10_link_enc_shift le_shift = {
    327	LINK_ENCODER_MASK_SH_LIST_DCN20(__SHIFT),\
    328	DPCS_DCN2_MASK_SH_LIST(__SHIFT)
    329};
    330
    331static const struct dcn10_link_enc_mask le_mask = {
    332	LINK_ENCODER_MASK_SH_LIST_DCN20(_MASK),\
    333	DPCS_DCN2_MASK_SH_LIST(_MASK)
    334};
    335
    336static const struct dce_panel_cntl_registers panel_cntl_regs[] = {
    337	{ DCN_PANEL_CNTL_REG_LIST() }
    338};
    339
    340static const struct dce_panel_cntl_shift panel_cntl_shift = {
    341	DCE_PANEL_CNTL_MASK_SH_LIST(__SHIFT)
    342};
    343
    344static const struct dce_panel_cntl_mask panel_cntl_mask = {
    345	DCE_PANEL_CNTL_MASK_SH_LIST(_MASK)
    346};
    347
    348#define ipp_regs(id)\
    349[id] = {\
    350	IPP_REG_LIST_DCN20(id),\
    351}
    352
    353static const struct dcn10_ipp_registers ipp_regs[] = {
    354	ipp_regs(0),
    355	ipp_regs(1),
    356	ipp_regs(2),
    357	ipp_regs(3),
    358	ipp_regs(4),
    359	ipp_regs(5),
    360};
    361
    362static const struct dcn10_ipp_shift ipp_shift = {
    363		IPP_MASK_SH_LIST_DCN20(__SHIFT)
    364};
    365
    366static const struct dcn10_ipp_mask ipp_mask = {
    367		IPP_MASK_SH_LIST_DCN20(_MASK),
    368};
    369
    370#define opp_regs(id)\
    371[id] = {\
    372	OPP_REG_LIST_DCN20(id),\
    373}
    374
    375static const struct dcn20_opp_registers opp_regs[] = {
    376	opp_regs(0),
    377	opp_regs(1),
    378	opp_regs(2),
    379	opp_regs(3),
    380	opp_regs(4),
    381	opp_regs(5),
    382};
    383
    384static const struct dcn20_opp_shift opp_shift = {
    385		OPP_MASK_SH_LIST_DCN20(__SHIFT)
    386};
    387
    388static const struct dcn20_opp_mask opp_mask = {
    389		OPP_MASK_SH_LIST_DCN20(_MASK)
    390};
    391
    392#define aux_engine_regs(id)\
    393[id] = {\
    394	AUX_COMMON_REG_LIST0(id), \
    395	.AUXN_IMPCAL = 0, \
    396	.AUXP_IMPCAL = 0, \
    397	.AUX_RESET_MASK = DP_AUX0_AUX_CONTROL__AUX_RESET_MASK, \
    398}
    399
    400static const struct dce110_aux_registers aux_engine_regs[] = {
    401		aux_engine_regs(0),
    402		aux_engine_regs(1),
    403		aux_engine_regs(2),
    404		aux_engine_regs(3),
    405		aux_engine_regs(4),
    406		aux_engine_regs(5)
    407};
    408
    409#define tf_regs(id)\
    410[id] = {\
    411	TF_REG_LIST_DCN20(id),\
    412	TF_REG_LIST_DCN20_COMMON_APPEND(id),\
    413}
    414
    415static const struct dcn2_dpp_registers tf_regs[] = {
    416	tf_regs(0),
    417	tf_regs(1),
    418	tf_regs(2),
    419	tf_regs(3),
    420	tf_regs(4),
    421	tf_regs(5),
    422};
    423
    424static const struct dcn2_dpp_shift tf_shift = {
    425		TF_REG_LIST_SH_MASK_DCN20(__SHIFT),
    426		TF_DEBUG_REG_LIST_SH_DCN20
    427};
    428
    429static const struct dcn2_dpp_mask tf_mask = {
    430		TF_REG_LIST_SH_MASK_DCN20(_MASK),
    431		TF_DEBUG_REG_LIST_MASK_DCN20
    432};
    433
    434#define dwbc_regs_dcn2(id)\
    435[id] = {\
    436	DWBC_COMMON_REG_LIST_DCN2_0(id),\
    437		}
    438
    439static const struct dcn20_dwbc_registers dwbc20_regs[] = {
    440	dwbc_regs_dcn2(0),
    441};
    442
    443static const struct dcn20_dwbc_shift dwbc20_shift = {
    444	DWBC_COMMON_MASK_SH_LIST_DCN2_0(__SHIFT)
    445};
    446
    447static const struct dcn20_dwbc_mask dwbc20_mask = {
    448	DWBC_COMMON_MASK_SH_LIST_DCN2_0(_MASK)
    449};
    450
    451#define mcif_wb_regs_dcn2(id)\
    452[id] = {\
    453	MCIF_WB_COMMON_REG_LIST_DCN2_0(id),\
    454		}
    455
    456static const struct dcn20_mmhubbub_registers mcif_wb20_regs[] = {
    457	mcif_wb_regs_dcn2(0),
    458};
    459
    460static const struct dcn20_mmhubbub_shift mcif_wb20_shift = {
    461	MCIF_WB_COMMON_MASK_SH_LIST_DCN2_0(__SHIFT)
    462};
    463
    464static const struct dcn20_mmhubbub_mask mcif_wb20_mask = {
    465	MCIF_WB_COMMON_MASK_SH_LIST_DCN2_0(_MASK)
    466};
    467
    468static const struct dcn20_mpc_registers mpc_regs = {
    469		MPC_REG_LIST_DCN2_0(0),
    470		MPC_REG_LIST_DCN2_0(1),
    471		MPC_REG_LIST_DCN2_0(2),
    472		MPC_REG_LIST_DCN2_0(3),
    473		MPC_REG_LIST_DCN2_0(4),
    474		MPC_REG_LIST_DCN2_0(5),
    475		MPC_OUT_MUX_REG_LIST_DCN2_0(0),
    476		MPC_OUT_MUX_REG_LIST_DCN2_0(1),
    477		MPC_OUT_MUX_REG_LIST_DCN2_0(2),
    478		MPC_OUT_MUX_REG_LIST_DCN2_0(3),
    479		MPC_OUT_MUX_REG_LIST_DCN2_0(4),
    480		MPC_OUT_MUX_REG_LIST_DCN2_0(5),
    481		MPC_DBG_REG_LIST_DCN2_0()
    482};
    483
    484static const struct dcn20_mpc_shift mpc_shift = {
    485	MPC_COMMON_MASK_SH_LIST_DCN2_0(__SHIFT),
    486	MPC_DEBUG_REG_LIST_SH_DCN20
    487};
    488
    489static const struct dcn20_mpc_mask mpc_mask = {
    490	MPC_COMMON_MASK_SH_LIST_DCN2_0(_MASK),
    491	MPC_DEBUG_REG_LIST_MASK_DCN20
    492};
    493
    494#define tg_regs(id)\
    495[id] = {TG_COMMON_REG_LIST_DCN2_0(id)}
    496
    497
    498static const struct dcn_optc_registers tg_regs[] = {
    499	tg_regs(0),
    500	tg_regs(1),
    501	tg_regs(2),
    502	tg_regs(3),
    503	tg_regs(4),
    504	tg_regs(5)
    505};
    506
    507static const struct dcn_optc_shift tg_shift = {
    508	TG_COMMON_MASK_SH_LIST_DCN2_0(__SHIFT)
    509};
    510
    511static const struct dcn_optc_mask tg_mask = {
    512	TG_COMMON_MASK_SH_LIST_DCN2_0(_MASK)
    513};
    514
    515#define hubp_regs(id)\
    516[id] = {\
    517	HUBP_REG_LIST_DCN20(id)\
    518}
    519
    520static const struct dcn_hubp2_registers hubp_regs[] = {
    521		hubp_regs(0),
    522		hubp_regs(1),
    523		hubp_regs(2),
    524		hubp_regs(3),
    525		hubp_regs(4),
    526		hubp_regs(5)
    527};
    528
    529static const struct dcn_hubp2_shift hubp_shift = {
    530		HUBP_MASK_SH_LIST_DCN20(__SHIFT)
    531};
    532
    533static const struct dcn_hubp2_mask hubp_mask = {
    534		HUBP_MASK_SH_LIST_DCN20(_MASK)
    535};
    536
    537static const struct dcn_hubbub_registers hubbub_reg = {
    538		HUBBUB_REG_LIST_DCN20(0)
    539};
    540
    541static const struct dcn_hubbub_shift hubbub_shift = {
    542		HUBBUB_MASK_SH_LIST_DCN20(__SHIFT)
    543};
    544
    545static const struct dcn_hubbub_mask hubbub_mask = {
    546		HUBBUB_MASK_SH_LIST_DCN20(_MASK)
    547};
    548
    549#define vmid_regs(id)\
    550[id] = {\
    551		DCN20_VMID_REG_LIST(id)\
    552}
    553
    554static const struct dcn_vmid_registers vmid_regs[] = {
    555	vmid_regs(0),
    556	vmid_regs(1),
    557	vmid_regs(2),
    558	vmid_regs(3),
    559	vmid_regs(4),
    560	vmid_regs(5),
    561	vmid_regs(6),
    562	vmid_regs(7),
    563	vmid_regs(8),
    564	vmid_regs(9),
    565	vmid_regs(10),
    566	vmid_regs(11),
    567	vmid_regs(12),
    568	vmid_regs(13),
    569	vmid_regs(14),
    570	vmid_regs(15)
    571};
    572
    573static const struct dcn20_vmid_shift vmid_shifts = {
    574		DCN20_VMID_MASK_SH_LIST(__SHIFT)
    575};
    576
    577static const struct dcn20_vmid_mask vmid_masks = {
    578		DCN20_VMID_MASK_SH_LIST(_MASK)
    579};
    580
    581static const struct dce110_aux_registers_shift aux_shift = {
    582		DCN_AUX_MASK_SH_LIST(__SHIFT)
    583};
    584
    585static const struct dce110_aux_registers_mask aux_mask = {
    586		DCN_AUX_MASK_SH_LIST(_MASK)
    587};
    588
    589static int map_transmitter_id_to_phy_instance(
    590	enum transmitter transmitter)
    591{
    592	switch (transmitter) {
    593	case TRANSMITTER_UNIPHY_A:
    594		return 0;
    595	break;
    596	case TRANSMITTER_UNIPHY_B:
    597		return 1;
    598	break;
    599	case TRANSMITTER_UNIPHY_C:
    600		return 2;
    601	break;
    602	case TRANSMITTER_UNIPHY_D:
    603		return 3;
    604	break;
    605	case TRANSMITTER_UNIPHY_E:
    606		return 4;
    607	break;
    608	case TRANSMITTER_UNIPHY_F:
    609		return 5;
    610	break;
    611	default:
    612		ASSERT(0);
    613		return 0;
    614	}
    615}
    616
    617#define dsc_regsDCN20(id)\
    618[id] = {\
    619	DSC_REG_LIST_DCN20(id)\
    620}
    621
    622static const struct dcn20_dsc_registers dsc_regs[] = {
    623	dsc_regsDCN20(0),
    624	dsc_regsDCN20(1),
    625	dsc_regsDCN20(2),
    626	dsc_regsDCN20(3),
    627	dsc_regsDCN20(4),
    628	dsc_regsDCN20(5)
    629};
    630
    631static const struct dcn20_dsc_shift dsc_shift = {
    632	DSC_REG_LIST_SH_MASK_DCN20(__SHIFT)
    633};
    634
    635static const struct dcn20_dsc_mask dsc_mask = {
    636	DSC_REG_LIST_SH_MASK_DCN20(_MASK)
    637};
    638
    639static const struct dccg_registers dccg_regs = {
    640		DCCG_REG_LIST_DCN2()
    641};
    642
    643static const struct dccg_shift dccg_shift = {
    644		DCCG_MASK_SH_LIST_DCN2(__SHIFT)
    645};
    646
    647static const struct dccg_mask dccg_mask = {
    648		DCCG_MASK_SH_LIST_DCN2(_MASK)
    649};
    650
    651static const struct resource_caps res_cap_nv10 = {
    652		.num_timing_generator = 6,
    653		.num_opp = 6,
    654		.num_video_plane = 6,
    655		.num_audio = 7,
    656		.num_stream_encoder = 6,
    657		.num_pll = 6,
    658		.num_dwb = 1,
    659		.num_ddc = 6,
    660		.num_vmid = 16,
    661		.num_dsc = 6,
    662};
    663
    664static const struct dc_plane_cap plane_cap = {
    665	.type = DC_PLANE_TYPE_DCN_UNIVERSAL,
    666	.blends_with_above = true,
    667	.blends_with_below = true,
    668	.per_pixel_alpha = true,
    669
    670	.pixel_format_support = {
    671			.argb8888 = true,
    672			.nv12 = true,
    673			.fp16 = true,
    674			.p010 = true
    675	},
    676
    677	.max_upscale_factor = {
    678			.argb8888 = 16000,
    679			.nv12 = 16000,
    680			.fp16 = 1
    681	},
    682
    683	.max_downscale_factor = {
    684			.argb8888 = 250,
    685			.nv12 = 250,
    686			.fp16 = 1
    687	},
    688	16,
    689	16
    690};
    691static const struct resource_caps res_cap_nv14 = {
    692		.num_timing_generator = 5,
    693		.num_opp = 5,
    694		.num_video_plane = 5,
    695		.num_audio = 6,
    696		.num_stream_encoder = 5,
    697		.num_pll = 5,
    698		.num_dwb = 1,
    699		.num_ddc = 5,
    700		.num_vmid = 16,
    701		.num_dsc = 5,
    702};
    703
    704static const struct dc_debug_options debug_defaults_drv = {
    705		.disable_dmcu = false,
    706		.force_abm_enable = false,
    707		.timing_trace = false,
    708		.clock_trace = true,
    709		.disable_pplib_clock_request = true,
    710		.pipe_split_policy = MPC_SPLIT_AVOID_MULT_DISP,
    711		.force_single_disp_pipe_split = false,
    712		.disable_dcc = DCC_ENABLE,
    713		.vsr_support = true,
    714		.performance_trace = false,
    715		.max_downscale_src_width = 5120,/*upto 5K*/
    716		.disable_pplib_wm_range = false,
    717		.scl_reset_length10 = true,
    718		.sanity_checks = false,
    719		.underflow_assert_delay_us = 0xFFFFFFFF,
    720};
    721
    722static const struct dc_debug_options debug_defaults_diags = {
    723		.disable_dmcu = false,
    724		.force_abm_enable = false,
    725		.timing_trace = true,
    726		.clock_trace = true,
    727		.disable_dpp_power_gate = true,
    728		.disable_hubp_power_gate = true,
    729		.disable_clock_gate = true,
    730		.disable_pplib_clock_request = true,
    731		.disable_pplib_wm_range = true,
    732		.disable_stutter = true,
    733		.scl_reset_length10 = true,
    734		.underflow_assert_delay_us = 0xFFFFFFFF,
    735		.enable_tri_buf = true,
    736};
    737
    738void dcn20_dpp_destroy(struct dpp **dpp)
    739{
    740	kfree(TO_DCN20_DPP(*dpp));
    741	*dpp = NULL;
    742}
    743
    744struct dpp *dcn20_dpp_create(
    745	struct dc_context *ctx,
    746	uint32_t inst)
    747{
    748	struct dcn20_dpp *dpp =
    749		kzalloc(sizeof(struct dcn20_dpp), GFP_ATOMIC);
    750
    751	if (!dpp)
    752		return NULL;
    753
    754	if (dpp2_construct(dpp, ctx, inst,
    755			&tf_regs[inst], &tf_shift, &tf_mask))
    756		return &dpp->base;
    757
    758	BREAK_TO_DEBUGGER();
    759	kfree(dpp);
    760	return NULL;
    761}
    762
    763struct input_pixel_processor *dcn20_ipp_create(
    764	struct dc_context *ctx, uint32_t inst)
    765{
    766	struct dcn10_ipp *ipp =
    767		kzalloc(sizeof(struct dcn10_ipp), GFP_ATOMIC);
    768
    769	if (!ipp) {
    770		BREAK_TO_DEBUGGER();
    771		return NULL;
    772	}
    773
    774	dcn20_ipp_construct(ipp, ctx, inst,
    775			&ipp_regs[inst], &ipp_shift, &ipp_mask);
    776	return &ipp->base;
    777}
    778
    779
    780struct output_pixel_processor *dcn20_opp_create(
    781	struct dc_context *ctx, uint32_t inst)
    782{
    783	struct dcn20_opp *opp =
    784		kzalloc(sizeof(struct dcn20_opp), GFP_ATOMIC);
    785
    786	if (!opp) {
    787		BREAK_TO_DEBUGGER();
    788		return NULL;
    789	}
    790
    791	dcn20_opp_construct(opp, ctx, inst,
    792			&opp_regs[inst], &opp_shift, &opp_mask);
    793	return &opp->base;
    794}
    795
    796struct dce_aux *dcn20_aux_engine_create(
    797	struct dc_context *ctx,
    798	uint32_t inst)
    799{
    800	struct aux_engine_dce110 *aux_engine =
    801		kzalloc(sizeof(struct aux_engine_dce110), GFP_ATOMIC);
    802
    803	if (!aux_engine)
    804		return NULL;
    805
    806	dce110_aux_engine_construct(aux_engine, ctx, inst,
    807				    SW_AUX_TIMEOUT_PERIOD_MULTIPLIER * AUX_TIMEOUT_PERIOD,
    808				    &aux_engine_regs[inst],
    809					&aux_mask,
    810					&aux_shift,
    811					ctx->dc->caps.extended_aux_timeout_support);
    812
    813	return &aux_engine->base;
    814}
    815#define i2c_inst_regs(id) { I2C_HW_ENGINE_COMMON_REG_LIST(id) }
    816
    817static const struct dce_i2c_registers i2c_hw_regs[] = {
    818		i2c_inst_regs(1),
    819		i2c_inst_regs(2),
    820		i2c_inst_regs(3),
    821		i2c_inst_regs(4),
    822		i2c_inst_regs(5),
    823		i2c_inst_regs(6),
    824};
    825
    826static const struct dce_i2c_shift i2c_shifts = {
    827		I2C_COMMON_MASK_SH_LIST_DCN2(__SHIFT)
    828};
    829
    830static const struct dce_i2c_mask i2c_masks = {
    831		I2C_COMMON_MASK_SH_LIST_DCN2(_MASK)
    832};
    833
    834struct dce_i2c_hw *dcn20_i2c_hw_create(
    835	struct dc_context *ctx,
    836	uint32_t inst)
    837{
    838	struct dce_i2c_hw *dce_i2c_hw =
    839		kzalloc(sizeof(struct dce_i2c_hw), GFP_ATOMIC);
    840
    841	if (!dce_i2c_hw)
    842		return NULL;
    843
    844	dcn2_i2c_hw_construct(dce_i2c_hw, ctx, inst,
    845				    &i2c_hw_regs[inst], &i2c_shifts, &i2c_masks);
    846
    847	return dce_i2c_hw;
    848}
    849struct mpc *dcn20_mpc_create(struct dc_context *ctx)
    850{
    851	struct dcn20_mpc *mpc20 = kzalloc(sizeof(struct dcn20_mpc),
    852					  GFP_ATOMIC);
    853
    854	if (!mpc20)
    855		return NULL;
    856
    857	dcn20_mpc_construct(mpc20, ctx,
    858			&mpc_regs,
    859			&mpc_shift,
    860			&mpc_mask,
    861			6);
    862
    863	return &mpc20->base;
    864}
    865
    866struct hubbub *dcn20_hubbub_create(struct dc_context *ctx)
    867{
    868	int i;
    869	struct dcn20_hubbub *hubbub = kzalloc(sizeof(struct dcn20_hubbub),
    870					  GFP_ATOMIC);
    871
    872	if (!hubbub)
    873		return NULL;
    874
    875	hubbub2_construct(hubbub, ctx,
    876			&hubbub_reg,
    877			&hubbub_shift,
    878			&hubbub_mask);
    879
    880	for (i = 0; i < res_cap_nv10.num_vmid; i++) {
    881		struct dcn20_vmid *vmid = &hubbub->vmid[i];
    882
    883		vmid->ctx = ctx;
    884
    885		vmid->regs = &vmid_regs[i];
    886		vmid->shifts = &vmid_shifts;
    887		vmid->masks = &vmid_masks;
    888	}
    889
    890	return &hubbub->base;
    891}
    892
    893struct timing_generator *dcn20_timing_generator_create(
    894		struct dc_context *ctx,
    895		uint32_t instance)
    896{
    897	struct optc *tgn10 =
    898		kzalloc(sizeof(struct optc), GFP_ATOMIC);
    899
    900	if (!tgn10)
    901		return NULL;
    902
    903	tgn10->base.inst = instance;
    904	tgn10->base.ctx = ctx;
    905
    906	tgn10->tg_regs = &tg_regs[instance];
    907	tgn10->tg_shift = &tg_shift;
    908	tgn10->tg_mask = &tg_mask;
    909
    910	dcn20_timing_generator_init(tgn10);
    911
    912	return &tgn10->base;
    913}
    914
    915static const struct encoder_feature_support link_enc_feature = {
    916		.max_hdmi_deep_color = COLOR_DEPTH_121212,
    917		.max_hdmi_pixel_clock = 600000,
    918		.hdmi_ycbcr420_supported = true,
    919		.dp_ycbcr420_supported = true,
    920		.fec_supported = true,
    921		.flags.bits.IS_HBR2_CAPABLE = true,
    922		.flags.bits.IS_HBR3_CAPABLE = true,
    923		.flags.bits.IS_TPS3_CAPABLE = true,
    924		.flags.bits.IS_TPS4_CAPABLE = true
    925};
    926
    927struct link_encoder *dcn20_link_encoder_create(
    928	const struct encoder_init_data *enc_init_data)
    929{
    930	struct dcn20_link_encoder *enc20 =
    931		kzalloc(sizeof(struct dcn20_link_encoder), GFP_KERNEL);
    932	int link_regs_id;
    933
    934	if (!enc20)
    935		return NULL;
    936
    937	link_regs_id =
    938		map_transmitter_id_to_phy_instance(enc_init_data->transmitter);
    939
    940	dcn20_link_encoder_construct(enc20,
    941				      enc_init_data,
    942				      &link_enc_feature,
    943				      &link_enc_regs[link_regs_id],
    944				      &link_enc_aux_regs[enc_init_data->channel - 1],
    945				      &link_enc_hpd_regs[enc_init_data->hpd_source],
    946				      &le_shift,
    947				      &le_mask);
    948
    949	return &enc20->enc10.base;
    950}
    951
    952static struct panel_cntl *dcn20_panel_cntl_create(const struct panel_cntl_init_data *init_data)
    953{
    954	struct dce_panel_cntl *panel_cntl =
    955		kzalloc(sizeof(struct dce_panel_cntl), GFP_KERNEL);
    956
    957	if (!panel_cntl)
    958		return NULL;
    959
    960	dce_panel_cntl_construct(panel_cntl,
    961			init_data,
    962			&panel_cntl_regs[init_data->inst],
    963			&panel_cntl_shift,
    964			&panel_cntl_mask);
    965
    966	return &panel_cntl->base;
    967}
    968
    969static struct clock_source *dcn20_clock_source_create(
    970	struct dc_context *ctx,
    971	struct dc_bios *bios,
    972	enum clock_source_id id,
    973	const struct dce110_clk_src_regs *regs,
    974	bool dp_clk_src)
    975{
    976	struct dce110_clk_src *clk_src =
    977		kzalloc(sizeof(struct dce110_clk_src), GFP_ATOMIC);
    978
    979	if (!clk_src)
    980		return NULL;
    981
    982	if (dcn20_clk_src_construct(clk_src, ctx, bios, id,
    983			regs, &cs_shift, &cs_mask)) {
    984		clk_src->base.dp_clk_src = dp_clk_src;
    985		return &clk_src->base;
    986	}
    987
    988	kfree(clk_src);
    989	BREAK_TO_DEBUGGER();
    990	return NULL;
    991}
    992
    993static void read_dce_straps(
    994	struct dc_context *ctx,
    995	struct resource_straps *straps)
    996{
    997	generic_reg_get(ctx, mmDC_PINSTRAPS + BASE(mmDC_PINSTRAPS_BASE_IDX),
    998		FN(DC_PINSTRAPS, DC_PINSTRAPS_AUDIO), &straps->dc_pinstraps_audio);
    999}
   1000
   1001static struct audio *dcn20_create_audio(
   1002		struct dc_context *ctx, unsigned int inst)
   1003{
   1004	return dce_audio_create(ctx, inst,
   1005			&audio_regs[inst], &audio_shift, &audio_mask);
   1006}
   1007
   1008struct stream_encoder *dcn20_stream_encoder_create(
   1009	enum engine_id eng_id,
   1010	struct dc_context *ctx)
   1011{
   1012	struct dcn10_stream_encoder *enc1 =
   1013		kzalloc(sizeof(struct dcn10_stream_encoder), GFP_KERNEL);
   1014
   1015	if (!enc1)
   1016		return NULL;
   1017
   1018	if (ASICREV_IS_NAVI14_M(ctx->asic_id.hw_internal_rev)) {
   1019		if (eng_id >= ENGINE_ID_DIGD)
   1020			eng_id++;
   1021	}
   1022
   1023	dcn20_stream_encoder_construct(enc1, ctx, ctx->dc_bios, eng_id,
   1024					&stream_enc_regs[eng_id],
   1025					&se_shift, &se_mask);
   1026
   1027	return &enc1->base;
   1028}
   1029
   1030static const struct dce_hwseq_registers hwseq_reg = {
   1031		HWSEQ_DCN2_REG_LIST()
   1032};
   1033
   1034static const struct dce_hwseq_shift hwseq_shift = {
   1035		HWSEQ_DCN2_MASK_SH_LIST(__SHIFT)
   1036};
   1037
   1038static const struct dce_hwseq_mask hwseq_mask = {
   1039		HWSEQ_DCN2_MASK_SH_LIST(_MASK)
   1040};
   1041
   1042struct dce_hwseq *dcn20_hwseq_create(
   1043	struct dc_context *ctx)
   1044{
   1045	struct dce_hwseq *hws = kzalloc(sizeof(struct dce_hwseq), GFP_KERNEL);
   1046
   1047	if (hws) {
   1048		hws->ctx = ctx;
   1049		hws->regs = &hwseq_reg;
   1050		hws->shifts = &hwseq_shift;
   1051		hws->masks = &hwseq_mask;
   1052	}
   1053	return hws;
   1054}
   1055
   1056static const struct resource_create_funcs res_create_funcs = {
   1057	.read_dce_straps = read_dce_straps,
   1058	.create_audio = dcn20_create_audio,
   1059	.create_stream_encoder = dcn20_stream_encoder_create,
   1060	.create_hwseq = dcn20_hwseq_create,
   1061};
   1062
   1063static const struct resource_create_funcs res_create_maximus_funcs = {
   1064	.read_dce_straps = NULL,
   1065	.create_audio = NULL,
   1066	.create_stream_encoder = NULL,
   1067	.create_hwseq = dcn20_hwseq_create,
   1068};
   1069
   1070static void dcn20_pp_smu_destroy(struct pp_smu_funcs **pp_smu);
   1071
   1072void dcn20_clock_source_destroy(struct clock_source **clk_src)
   1073{
   1074	kfree(TO_DCE110_CLK_SRC(*clk_src));
   1075	*clk_src = NULL;
   1076}
   1077
   1078
   1079struct display_stream_compressor *dcn20_dsc_create(
   1080	struct dc_context *ctx, uint32_t inst)
   1081{
   1082	struct dcn20_dsc *dsc =
   1083		kzalloc(sizeof(struct dcn20_dsc), GFP_ATOMIC);
   1084
   1085	if (!dsc) {
   1086		BREAK_TO_DEBUGGER();
   1087		return NULL;
   1088	}
   1089
   1090	dsc2_construct(dsc, ctx, inst, &dsc_regs[inst], &dsc_shift, &dsc_mask);
   1091	return &dsc->base;
   1092}
   1093
   1094void dcn20_dsc_destroy(struct display_stream_compressor **dsc)
   1095{
   1096	kfree(container_of(*dsc, struct dcn20_dsc, base));
   1097	*dsc = NULL;
   1098}
   1099
   1100
   1101static void dcn20_resource_destruct(struct dcn20_resource_pool *pool)
   1102{
   1103	unsigned int i;
   1104
   1105	for (i = 0; i < pool->base.stream_enc_count; i++) {
   1106		if (pool->base.stream_enc[i] != NULL) {
   1107			kfree(DCN10STRENC_FROM_STRENC(pool->base.stream_enc[i]));
   1108			pool->base.stream_enc[i] = NULL;
   1109		}
   1110	}
   1111
   1112	for (i = 0; i < pool->base.res_cap->num_dsc; i++) {
   1113		if (pool->base.dscs[i] != NULL)
   1114			dcn20_dsc_destroy(&pool->base.dscs[i]);
   1115	}
   1116
   1117	if (pool->base.mpc != NULL) {
   1118		kfree(TO_DCN20_MPC(pool->base.mpc));
   1119		pool->base.mpc = NULL;
   1120	}
   1121	if (pool->base.hubbub != NULL) {
   1122		kfree(pool->base.hubbub);
   1123		pool->base.hubbub = NULL;
   1124	}
   1125	for (i = 0; i < pool->base.pipe_count; i++) {
   1126		if (pool->base.dpps[i] != NULL)
   1127			dcn20_dpp_destroy(&pool->base.dpps[i]);
   1128
   1129		if (pool->base.ipps[i] != NULL)
   1130			pool->base.ipps[i]->funcs->ipp_destroy(&pool->base.ipps[i]);
   1131
   1132		if (pool->base.hubps[i] != NULL) {
   1133			kfree(TO_DCN20_HUBP(pool->base.hubps[i]));
   1134			pool->base.hubps[i] = NULL;
   1135		}
   1136
   1137		if (pool->base.irqs != NULL) {
   1138			dal_irq_service_destroy(&pool->base.irqs);
   1139		}
   1140	}
   1141
   1142	for (i = 0; i < pool->base.res_cap->num_ddc; i++) {
   1143		if (pool->base.engines[i] != NULL)
   1144			dce110_engine_destroy(&pool->base.engines[i]);
   1145		if (pool->base.hw_i2cs[i] != NULL) {
   1146			kfree(pool->base.hw_i2cs[i]);
   1147			pool->base.hw_i2cs[i] = NULL;
   1148		}
   1149		if (pool->base.sw_i2cs[i] != NULL) {
   1150			kfree(pool->base.sw_i2cs[i]);
   1151			pool->base.sw_i2cs[i] = NULL;
   1152		}
   1153	}
   1154
   1155	for (i = 0; i < pool->base.res_cap->num_opp; i++) {
   1156		if (pool->base.opps[i] != NULL)
   1157			pool->base.opps[i]->funcs->opp_destroy(&pool->base.opps[i]);
   1158	}
   1159
   1160	for (i = 0; i < pool->base.res_cap->num_timing_generator; i++) {
   1161		if (pool->base.timing_generators[i] != NULL)	{
   1162			kfree(DCN10TG_FROM_TG(pool->base.timing_generators[i]));
   1163			pool->base.timing_generators[i] = NULL;
   1164		}
   1165	}
   1166
   1167	for (i = 0; i < pool->base.res_cap->num_dwb; i++) {
   1168		if (pool->base.dwbc[i] != NULL) {
   1169			kfree(TO_DCN20_DWBC(pool->base.dwbc[i]));
   1170			pool->base.dwbc[i] = NULL;
   1171		}
   1172		if (pool->base.mcif_wb[i] != NULL) {
   1173			kfree(TO_DCN20_MMHUBBUB(pool->base.mcif_wb[i]));
   1174			pool->base.mcif_wb[i] = NULL;
   1175		}
   1176	}
   1177
   1178	for (i = 0; i < pool->base.audio_count; i++) {
   1179		if (pool->base.audios[i])
   1180			dce_aud_destroy(&pool->base.audios[i]);
   1181	}
   1182
   1183	for (i = 0; i < pool->base.clk_src_count; i++) {
   1184		if (pool->base.clock_sources[i] != NULL) {
   1185			dcn20_clock_source_destroy(&pool->base.clock_sources[i]);
   1186			pool->base.clock_sources[i] = NULL;
   1187		}
   1188	}
   1189
   1190	if (pool->base.dp_clock_source != NULL) {
   1191		dcn20_clock_source_destroy(&pool->base.dp_clock_source);
   1192		pool->base.dp_clock_source = NULL;
   1193	}
   1194
   1195
   1196	if (pool->base.abm != NULL)
   1197		dce_abm_destroy(&pool->base.abm);
   1198
   1199	if (pool->base.dmcu != NULL)
   1200		dce_dmcu_destroy(&pool->base.dmcu);
   1201
   1202	if (pool->base.dccg != NULL)
   1203		dcn_dccg_destroy(&pool->base.dccg);
   1204
   1205	if (pool->base.pp_smu != NULL)
   1206		dcn20_pp_smu_destroy(&pool->base.pp_smu);
   1207
   1208	if (pool->base.oem_device != NULL)
   1209		dal_ddc_service_destroy(&pool->base.oem_device);
   1210}
   1211
   1212struct hubp *dcn20_hubp_create(
   1213	struct dc_context *ctx,
   1214	uint32_t inst)
   1215{
   1216	struct dcn20_hubp *hubp2 =
   1217		kzalloc(sizeof(struct dcn20_hubp), GFP_ATOMIC);
   1218
   1219	if (!hubp2)
   1220		return NULL;
   1221
   1222	if (hubp2_construct(hubp2, ctx, inst,
   1223			&hubp_regs[inst], &hubp_shift, &hubp_mask))
   1224		return &hubp2->base;
   1225
   1226	BREAK_TO_DEBUGGER();
   1227	kfree(hubp2);
   1228	return NULL;
   1229}
   1230
   1231static void get_pixel_clock_parameters(
   1232	struct pipe_ctx *pipe_ctx,
   1233	struct pixel_clk_params *pixel_clk_params)
   1234{
   1235	const struct dc_stream_state *stream = pipe_ctx->stream;
   1236	struct pipe_ctx *odm_pipe;
   1237	int opp_cnt = 1;
   1238	struct dc_link *link = stream->link;
   1239	struct link_encoder *link_enc = NULL;
   1240
   1241	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
   1242		opp_cnt++;
   1243
   1244	pixel_clk_params->requested_pix_clk_100hz = stream->timing.pix_clk_100hz;
   1245
   1246	link_enc = link_enc_cfg_get_link_enc(link);
   1247	ASSERT(link_enc);
   1248
   1249	if (link_enc)
   1250		pixel_clk_params->encoder_object_id = link_enc->id;
   1251	pixel_clk_params->signal_type = pipe_ctx->stream->signal;
   1252	pixel_clk_params->controller_id = pipe_ctx->stream_res.tg->inst + 1;
   1253	/* TODO: un-hardcode*/
   1254	/* TODO - DP2.0 HW: calculate requested_sym_clk for UHBR rates */
   1255	pixel_clk_params->requested_sym_clk = LINK_RATE_LOW *
   1256		LINK_RATE_REF_FREQ_IN_KHZ;
   1257	pixel_clk_params->flags.ENABLE_SS = 0;
   1258	pixel_clk_params->color_depth =
   1259		stream->timing.display_color_depth;
   1260	pixel_clk_params->flags.DISPLAY_BLANKED = 1;
   1261	pixel_clk_params->pixel_encoding = stream->timing.pixel_encoding;
   1262
   1263	if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR422)
   1264		pixel_clk_params->color_depth = COLOR_DEPTH_888;
   1265
   1266	if (opp_cnt == 4)
   1267		pixel_clk_params->requested_pix_clk_100hz /= 4;
   1268	else if (optc2_is_two_pixels_per_containter(&stream->timing) || opp_cnt == 2)
   1269		pixel_clk_params->requested_pix_clk_100hz /= 2;
   1270
   1271	if (stream->timing.timing_3d_format == TIMING_3D_FORMAT_HW_FRAME_PACKING)
   1272		pixel_clk_params->requested_pix_clk_100hz *= 2;
   1273
   1274}
   1275
   1276static void build_clamping_params(struct dc_stream_state *stream)
   1277{
   1278	stream->clamping.clamping_level = CLAMPING_FULL_RANGE;
   1279	stream->clamping.c_depth = stream->timing.display_color_depth;
   1280	stream->clamping.pixel_encoding = stream->timing.pixel_encoding;
   1281}
   1282
   1283static enum dc_status build_pipe_hw_param(struct pipe_ctx *pipe_ctx)
   1284{
   1285
   1286	get_pixel_clock_parameters(pipe_ctx, &pipe_ctx->stream_res.pix_clk_params);
   1287
   1288	pipe_ctx->clock_source->funcs->get_pix_clk_dividers(
   1289		pipe_ctx->clock_source,
   1290		&pipe_ctx->stream_res.pix_clk_params,
   1291		&pipe_ctx->pll_settings);
   1292
   1293	pipe_ctx->stream->clamping.pixel_encoding = pipe_ctx->stream->timing.pixel_encoding;
   1294
   1295	resource_build_bit_depth_reduction_params(pipe_ctx->stream,
   1296					&pipe_ctx->stream->bit_depth_params);
   1297	build_clamping_params(pipe_ctx->stream);
   1298
   1299	return DC_OK;
   1300}
   1301
   1302enum dc_status dcn20_build_mapped_resource(const struct dc *dc, struct dc_state *context, struct dc_stream_state *stream)
   1303{
   1304	enum dc_status status = DC_OK;
   1305	struct pipe_ctx *pipe_ctx = resource_get_head_pipe_for_stream(&context->res_ctx, stream);
   1306
   1307	if (!pipe_ctx)
   1308		return DC_ERROR_UNEXPECTED;
   1309
   1310
   1311	status = build_pipe_hw_param(pipe_ctx);
   1312
   1313	return status;
   1314}
   1315
   1316
   1317void dcn20_acquire_dsc(const struct dc *dc,
   1318			struct resource_context *res_ctx,
   1319			struct display_stream_compressor **dsc,
   1320			int pipe_idx)
   1321{
   1322	int i;
   1323	const struct resource_pool *pool = dc->res_pool;
   1324	struct display_stream_compressor *dsc_old = dc->current_state->res_ctx.pipe_ctx[pipe_idx].stream_res.dsc;
   1325
   1326	ASSERT(*dsc == NULL); /* If this ASSERT fails, dsc was not released properly */
   1327	*dsc = NULL;
   1328
   1329	/* Always do 1-to-1 mapping when number of DSCs is same as number of pipes */
   1330	if (pool->res_cap->num_dsc == pool->res_cap->num_opp) {
   1331		*dsc = pool->dscs[pipe_idx];
   1332		res_ctx->is_dsc_acquired[pipe_idx] = true;
   1333		return;
   1334	}
   1335
   1336	/* Return old DSC to avoid the need for re-programming */
   1337	if (dsc_old && !res_ctx->is_dsc_acquired[dsc_old->inst]) {
   1338		*dsc = dsc_old;
   1339		res_ctx->is_dsc_acquired[dsc_old->inst] = true;
   1340		return ;
   1341	}
   1342
   1343	/* Find first free DSC */
   1344	for (i = 0; i < pool->res_cap->num_dsc; i++)
   1345		if (!res_ctx->is_dsc_acquired[i]) {
   1346			*dsc = pool->dscs[i];
   1347			res_ctx->is_dsc_acquired[i] = true;
   1348			break;
   1349		}
   1350}
   1351
   1352void dcn20_release_dsc(struct resource_context *res_ctx,
   1353			const struct resource_pool *pool,
   1354			struct display_stream_compressor **dsc)
   1355{
   1356	int i;
   1357
   1358	for (i = 0; i < pool->res_cap->num_dsc; i++)
   1359		if (pool->dscs[i] == *dsc) {
   1360			res_ctx->is_dsc_acquired[i] = false;
   1361			*dsc = NULL;
   1362			break;
   1363		}
   1364}
   1365
   1366
   1367
   1368enum dc_status dcn20_add_dsc_to_stream_resource(struct dc *dc,
   1369		struct dc_state *dc_ctx,
   1370		struct dc_stream_state *dc_stream)
   1371{
   1372	enum dc_status result = DC_OK;
   1373	int i;
   1374
   1375	/* Get a DSC if required and available */
   1376	for (i = 0; i < dc->res_pool->pipe_count; i++) {
   1377		struct pipe_ctx *pipe_ctx = &dc_ctx->res_ctx.pipe_ctx[i];
   1378
   1379		if (pipe_ctx->stream != dc_stream)
   1380			continue;
   1381
   1382		if (pipe_ctx->stream_res.dsc)
   1383			continue;
   1384
   1385		dcn20_acquire_dsc(dc, &dc_ctx->res_ctx, &pipe_ctx->stream_res.dsc, i);
   1386
   1387		/* The number of DSCs can be less than the number of pipes */
   1388		if (!pipe_ctx->stream_res.dsc) {
   1389			result = DC_NO_DSC_RESOURCE;
   1390		}
   1391
   1392		break;
   1393	}
   1394
   1395	return result;
   1396}
   1397
   1398
   1399static enum dc_status remove_dsc_from_stream_resource(struct dc *dc,
   1400		struct dc_state *new_ctx,
   1401		struct dc_stream_state *dc_stream)
   1402{
   1403	struct pipe_ctx *pipe_ctx = NULL;
   1404	int i;
   1405
   1406	for (i = 0; i < MAX_PIPES; i++) {
   1407		if (new_ctx->res_ctx.pipe_ctx[i].stream == dc_stream && !new_ctx->res_ctx.pipe_ctx[i].top_pipe) {
   1408			pipe_ctx = &new_ctx->res_ctx.pipe_ctx[i];
   1409
   1410			if (pipe_ctx->stream_res.dsc)
   1411				dcn20_release_dsc(&new_ctx->res_ctx, dc->res_pool, &pipe_ctx->stream_res.dsc);
   1412		}
   1413	}
   1414
   1415	if (!pipe_ctx)
   1416		return DC_ERROR_UNEXPECTED;
   1417	else
   1418		return DC_OK;
   1419}
   1420
   1421
   1422enum dc_status dcn20_add_stream_to_ctx(struct dc *dc, struct dc_state *new_ctx, struct dc_stream_state *dc_stream)
   1423{
   1424	enum dc_status result = DC_ERROR_UNEXPECTED;
   1425
   1426	result = resource_map_pool_resources(dc, new_ctx, dc_stream);
   1427
   1428	if (result == DC_OK)
   1429		result = resource_map_phy_clock_resources(dc, new_ctx, dc_stream);
   1430
   1431	/* Get a DSC if required and available */
   1432	if (result == DC_OK && dc_stream->timing.flags.DSC)
   1433		result = dcn20_add_dsc_to_stream_resource(dc, new_ctx, dc_stream);
   1434
   1435	if (result == DC_OK)
   1436		result = dcn20_build_mapped_resource(dc, new_ctx, dc_stream);
   1437
   1438	return result;
   1439}
   1440
   1441
   1442enum dc_status dcn20_remove_stream_from_ctx(struct dc *dc, struct dc_state *new_ctx, struct dc_stream_state *dc_stream)
   1443{
   1444	enum dc_status result = DC_OK;
   1445
   1446	result = remove_dsc_from_stream_resource(dc, new_ctx, dc_stream);
   1447
   1448	return result;
   1449}
   1450
   1451bool dcn20_split_stream_for_odm(
   1452		const struct dc *dc,
   1453		struct resource_context *res_ctx,
   1454		struct pipe_ctx *prev_odm_pipe,
   1455		struct pipe_ctx *next_odm_pipe)
   1456{
   1457	int pipe_idx = next_odm_pipe->pipe_idx;
   1458	const struct resource_pool *pool = dc->res_pool;
   1459
   1460	*next_odm_pipe = *prev_odm_pipe;
   1461
   1462	next_odm_pipe->pipe_idx = pipe_idx;
   1463	next_odm_pipe->plane_res.mi = pool->mis[next_odm_pipe->pipe_idx];
   1464	next_odm_pipe->plane_res.hubp = pool->hubps[next_odm_pipe->pipe_idx];
   1465	next_odm_pipe->plane_res.ipp = pool->ipps[next_odm_pipe->pipe_idx];
   1466	next_odm_pipe->plane_res.xfm = pool->transforms[next_odm_pipe->pipe_idx];
   1467	next_odm_pipe->plane_res.dpp = pool->dpps[next_odm_pipe->pipe_idx];
   1468	next_odm_pipe->plane_res.mpcc_inst = pool->dpps[next_odm_pipe->pipe_idx]->inst;
   1469	next_odm_pipe->stream_res.dsc = NULL;
   1470	if (prev_odm_pipe->next_odm_pipe && prev_odm_pipe->next_odm_pipe != next_odm_pipe) {
   1471		next_odm_pipe->next_odm_pipe = prev_odm_pipe->next_odm_pipe;
   1472		next_odm_pipe->next_odm_pipe->prev_odm_pipe = next_odm_pipe;
   1473	}
   1474	if (prev_odm_pipe->top_pipe && prev_odm_pipe->top_pipe->next_odm_pipe) {
   1475		prev_odm_pipe->top_pipe->next_odm_pipe->bottom_pipe = next_odm_pipe;
   1476		next_odm_pipe->top_pipe = prev_odm_pipe->top_pipe->next_odm_pipe;
   1477	}
   1478	if (prev_odm_pipe->bottom_pipe && prev_odm_pipe->bottom_pipe->next_odm_pipe) {
   1479		prev_odm_pipe->bottom_pipe->next_odm_pipe->top_pipe = next_odm_pipe;
   1480		next_odm_pipe->bottom_pipe = prev_odm_pipe->bottom_pipe->next_odm_pipe;
   1481	}
   1482	prev_odm_pipe->next_odm_pipe = next_odm_pipe;
   1483	next_odm_pipe->prev_odm_pipe = prev_odm_pipe;
   1484
   1485	if (prev_odm_pipe->plane_state) {
   1486		struct scaler_data *sd = &prev_odm_pipe->plane_res.scl_data;
   1487		int new_width;
   1488
   1489		/* HACTIVE halved for odm combine */
   1490		sd->h_active /= 2;
   1491		/* Calculate new vp and recout for left pipe */
   1492		/* Need at least 16 pixels width per side */
   1493		if (sd->recout.x + 16 >= sd->h_active)
   1494			return false;
   1495		new_width = sd->h_active - sd->recout.x;
   1496		sd->viewport.width -= dc_fixpt_floor(dc_fixpt_mul_int(
   1497				sd->ratios.horz, sd->recout.width - new_width));
   1498		sd->viewport_c.width -= dc_fixpt_floor(dc_fixpt_mul_int(
   1499				sd->ratios.horz_c, sd->recout.width - new_width));
   1500		sd->recout.width = new_width;
   1501
   1502		/* Calculate new vp and recout for right pipe */
   1503		sd = &next_odm_pipe->plane_res.scl_data;
   1504		/* HACTIVE halved for odm combine */
   1505		sd->h_active /= 2;
   1506		/* Need at least 16 pixels width per side */
   1507		if (new_width <= 16)
   1508			return false;
   1509		new_width = sd->recout.width + sd->recout.x - sd->h_active;
   1510		sd->viewport.width -= dc_fixpt_floor(dc_fixpt_mul_int(
   1511				sd->ratios.horz, sd->recout.width - new_width));
   1512		sd->viewport_c.width -= dc_fixpt_floor(dc_fixpt_mul_int(
   1513				sd->ratios.horz_c, sd->recout.width - new_width));
   1514		sd->recout.width = new_width;
   1515		sd->viewport.x += dc_fixpt_floor(dc_fixpt_mul_int(
   1516				sd->ratios.horz, sd->h_active - sd->recout.x));
   1517		sd->viewport_c.x += dc_fixpt_floor(dc_fixpt_mul_int(
   1518				sd->ratios.horz_c, sd->h_active - sd->recout.x));
   1519		sd->recout.x = 0;
   1520	}
   1521	if (!next_odm_pipe->top_pipe)
   1522		next_odm_pipe->stream_res.opp = pool->opps[next_odm_pipe->pipe_idx];
   1523	else
   1524		next_odm_pipe->stream_res.opp = next_odm_pipe->top_pipe->stream_res.opp;
   1525	if (next_odm_pipe->stream->timing.flags.DSC == 1 && !next_odm_pipe->top_pipe) {
   1526		dcn20_acquire_dsc(dc, res_ctx, &next_odm_pipe->stream_res.dsc, next_odm_pipe->pipe_idx);
   1527		ASSERT(next_odm_pipe->stream_res.dsc);
   1528		if (next_odm_pipe->stream_res.dsc == NULL)
   1529			return false;
   1530	}
   1531
   1532	return true;
   1533}
   1534
   1535void dcn20_split_stream_for_mpc(
   1536		struct resource_context *res_ctx,
   1537		const struct resource_pool *pool,
   1538		struct pipe_ctx *primary_pipe,
   1539		struct pipe_ctx *secondary_pipe)
   1540{
   1541	int pipe_idx = secondary_pipe->pipe_idx;
   1542	struct pipe_ctx *sec_bot_pipe = secondary_pipe->bottom_pipe;
   1543
   1544	*secondary_pipe = *primary_pipe;
   1545	secondary_pipe->bottom_pipe = sec_bot_pipe;
   1546
   1547	secondary_pipe->pipe_idx = pipe_idx;
   1548	secondary_pipe->plane_res.mi = pool->mis[secondary_pipe->pipe_idx];
   1549	secondary_pipe->plane_res.hubp = pool->hubps[secondary_pipe->pipe_idx];
   1550	secondary_pipe->plane_res.ipp = pool->ipps[secondary_pipe->pipe_idx];
   1551	secondary_pipe->plane_res.xfm = pool->transforms[secondary_pipe->pipe_idx];
   1552	secondary_pipe->plane_res.dpp = pool->dpps[secondary_pipe->pipe_idx];
   1553	secondary_pipe->plane_res.mpcc_inst = pool->dpps[secondary_pipe->pipe_idx]->inst;
   1554	secondary_pipe->stream_res.dsc = NULL;
   1555	if (primary_pipe->bottom_pipe && primary_pipe->bottom_pipe != secondary_pipe) {
   1556		ASSERT(!secondary_pipe->bottom_pipe);
   1557		secondary_pipe->bottom_pipe = primary_pipe->bottom_pipe;
   1558		secondary_pipe->bottom_pipe->top_pipe = secondary_pipe;
   1559	}
   1560	primary_pipe->bottom_pipe = secondary_pipe;
   1561	secondary_pipe->top_pipe = primary_pipe;
   1562
   1563	ASSERT(primary_pipe->plane_state);
   1564}
   1565
   1566unsigned int dcn20_calc_max_scaled_time(
   1567		unsigned int time_per_pixel,
   1568		enum mmhubbub_wbif_mode mode,
   1569		unsigned int urgent_watermark)
   1570{
   1571	unsigned int time_per_byte = 0;
   1572	unsigned int total_y_free_entry = 0x200; /* two memory piece for luma */
   1573	unsigned int total_c_free_entry = 0x140; /* two memory piece for chroma */
   1574	unsigned int small_free_entry, max_free_entry;
   1575	unsigned int buf_lh_capability;
   1576	unsigned int max_scaled_time;
   1577
   1578	if (mode == PACKED_444) /* packed mode */
   1579		time_per_byte = time_per_pixel/4;
   1580	else if (mode == PLANAR_420_8BPC)
   1581		time_per_byte  = time_per_pixel;
   1582	else if (mode == PLANAR_420_10BPC) /* p010 */
   1583		time_per_byte  = time_per_pixel * 819/1024;
   1584
   1585	if (time_per_byte == 0)
   1586		time_per_byte = 1;
   1587
   1588	small_free_entry  = (total_y_free_entry > total_c_free_entry) ? total_c_free_entry : total_y_free_entry;
   1589	max_free_entry    = (mode == PACKED_444) ? total_y_free_entry + total_c_free_entry : small_free_entry;
   1590	buf_lh_capability = max_free_entry*time_per_byte*32/16; /* there is 4bit fraction */
   1591	max_scaled_time   = buf_lh_capability - urgent_watermark;
   1592	return max_scaled_time;
   1593}
   1594
   1595void dcn20_set_mcif_arb_params(
   1596		struct dc *dc,
   1597		struct dc_state *context,
   1598		display_e2e_pipe_params_st *pipes,
   1599		int pipe_cnt)
   1600{
   1601	enum mmhubbub_wbif_mode wbif_mode;
   1602	struct mcif_arb_params *wb_arb_params;
   1603	int i, j, dwb_pipe;
   1604
   1605	/* Writeback MCIF_WB arbitration parameters */
   1606	dwb_pipe = 0;
   1607	for (i = 0; i < dc->res_pool->pipe_count; i++) {
   1608
   1609		if (!context->res_ctx.pipe_ctx[i].stream)
   1610			continue;
   1611
   1612		for (j = 0; j < MAX_DWB_PIPES; j++) {
   1613			if (context->res_ctx.pipe_ctx[i].stream->writeback_info[j].wb_enabled == false)
   1614				continue;
   1615
   1616			//wb_arb_params = &context->res_ctx.pipe_ctx[i].stream->writeback_info[j].mcif_arb_params;
   1617			wb_arb_params = &context->bw_ctx.bw.dcn.bw_writeback.mcif_wb_arb[dwb_pipe];
   1618
   1619			if (context->res_ctx.pipe_ctx[i].stream->writeback_info[j].dwb_params.out_format == dwb_scaler_mode_yuv420) {
   1620				if (context->res_ctx.pipe_ctx[i].stream->writeback_info[j].dwb_params.output_depth == DWB_OUTPUT_PIXEL_DEPTH_8BPC)
   1621					wbif_mode = PLANAR_420_8BPC;
   1622				else
   1623					wbif_mode = PLANAR_420_10BPC;
   1624			} else
   1625				wbif_mode = PACKED_444;
   1626
   1627			DC_FP_START();
   1628			dcn20_fpu_set_wb_arb_params(wb_arb_params, context, pipes, pipe_cnt, i);
   1629			DC_FP_END();
   1630
   1631			wb_arb_params->slice_lines = 32;
   1632			wb_arb_params->arbitration_slice = 2;
   1633			wb_arb_params->max_scaled_time = dcn20_calc_max_scaled_time(wb_arb_params->time_per_pixel,
   1634				wbif_mode,
   1635				wb_arb_params->cli_watermark[0]); /* assume 4 watermark sets have the same value */
   1636
   1637			dwb_pipe++;
   1638
   1639			if (dwb_pipe >= MAX_DWB_PIPES)
   1640				return;
   1641		}
   1642		if (dwb_pipe >= MAX_DWB_PIPES)
   1643			return;
   1644	}
   1645}
   1646
   1647bool dcn20_validate_dsc(struct dc *dc, struct dc_state *new_ctx)
   1648{
   1649	int i;
   1650
   1651	/* Validate DSC config, dsc count validation is already done */
   1652	for (i = 0; i < dc->res_pool->pipe_count; i++) {
   1653		struct pipe_ctx *pipe_ctx = &new_ctx->res_ctx.pipe_ctx[i];
   1654		struct dc_stream_state *stream = pipe_ctx->stream;
   1655		struct dsc_config dsc_cfg;
   1656		struct pipe_ctx *odm_pipe;
   1657		int opp_cnt = 1;
   1658
   1659		for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
   1660			opp_cnt++;
   1661
   1662		/* Only need to validate top pipe */
   1663		if (pipe_ctx->top_pipe || pipe_ctx->prev_odm_pipe || !stream || !stream->timing.flags.DSC)
   1664			continue;
   1665
   1666		dsc_cfg.pic_width = (stream->timing.h_addressable + stream->timing.h_border_left
   1667				+ stream->timing.h_border_right) / opp_cnt;
   1668		dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top
   1669				+ stream->timing.v_border_bottom;
   1670		dsc_cfg.pixel_encoding = stream->timing.pixel_encoding;
   1671		dsc_cfg.color_depth = stream->timing.display_color_depth;
   1672		dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false;
   1673		dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg;
   1674		dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt;
   1675
   1676		if (!pipe_ctx->stream_res.dsc->funcs->dsc_validate_stream(pipe_ctx->stream_res.dsc, &dsc_cfg))
   1677			return false;
   1678	}
   1679	return true;
   1680}
   1681
   1682struct pipe_ctx *dcn20_find_secondary_pipe(struct dc *dc,
   1683		struct resource_context *res_ctx,
   1684		const struct resource_pool *pool,
   1685		const struct pipe_ctx *primary_pipe)
   1686{
   1687	struct pipe_ctx *secondary_pipe = NULL;
   1688
   1689	if (dc && primary_pipe) {
   1690		int j;
   1691		int preferred_pipe_idx = 0;
   1692
   1693		/* first check the prev dc state:
   1694		 * if this primary pipe has a bottom pipe in prev. state
   1695		 * and if the bottom pipe is still available (which it should be),
   1696		 * pick that pipe as secondary
   1697		 * Same logic applies for ODM pipes
   1698		 */
   1699		if (dc->current_state->res_ctx.pipe_ctx[primary_pipe->pipe_idx].next_odm_pipe) {
   1700			preferred_pipe_idx = dc->current_state->res_ctx.pipe_ctx[primary_pipe->pipe_idx].next_odm_pipe->pipe_idx;
   1701			if (res_ctx->pipe_ctx[preferred_pipe_idx].stream == NULL) {
   1702				secondary_pipe = &res_ctx->pipe_ctx[preferred_pipe_idx];
   1703				secondary_pipe->pipe_idx = preferred_pipe_idx;
   1704			}
   1705		}
   1706		if (secondary_pipe == NULL &&
   1707				dc->current_state->res_ctx.pipe_ctx[primary_pipe->pipe_idx].bottom_pipe) {
   1708			preferred_pipe_idx = dc->current_state->res_ctx.pipe_ctx[primary_pipe->pipe_idx].bottom_pipe->pipe_idx;
   1709			if (res_ctx->pipe_ctx[preferred_pipe_idx].stream == NULL) {
   1710				secondary_pipe = &res_ctx->pipe_ctx[preferred_pipe_idx];
   1711				secondary_pipe->pipe_idx = preferred_pipe_idx;
   1712			}
   1713		}
   1714
   1715		/*
   1716		 * if this primary pipe does not have a bottom pipe in prev. state
   1717		 * start backward and find a pipe that did not used to be a bottom pipe in
   1718		 * prev. dc state. This way we make sure we keep the same assignment as
   1719		 * last state and will not have to reprogram every pipe
   1720		 */
   1721		if (secondary_pipe == NULL) {
   1722			for (j = dc->res_pool->pipe_count - 1; j >= 0; j--) {
   1723				if (dc->current_state->res_ctx.pipe_ctx[j].top_pipe == NULL
   1724						&& dc->current_state->res_ctx.pipe_ctx[j].prev_odm_pipe == NULL) {
   1725					preferred_pipe_idx = j;
   1726
   1727					if (res_ctx->pipe_ctx[preferred_pipe_idx].stream == NULL) {
   1728						secondary_pipe = &res_ctx->pipe_ctx[preferred_pipe_idx];
   1729						secondary_pipe->pipe_idx = preferred_pipe_idx;
   1730						break;
   1731					}
   1732				}
   1733			}
   1734		}
   1735		/*
   1736		 * We should never hit this assert unless assignments are shuffled around
   1737		 * if this happens we will prob. hit a vsync tdr
   1738		 */
   1739		ASSERT(secondary_pipe);
   1740		/*
   1741		 * search backwards for the second pipe to keep pipe
   1742		 * assignment more consistent
   1743		 */
   1744		if (secondary_pipe == NULL) {
   1745			for (j = dc->res_pool->pipe_count - 1; j >= 0; j--) {
   1746				preferred_pipe_idx = j;
   1747
   1748				if (res_ctx->pipe_ctx[preferred_pipe_idx].stream == NULL) {
   1749					secondary_pipe = &res_ctx->pipe_ctx[preferred_pipe_idx];
   1750					secondary_pipe->pipe_idx = preferred_pipe_idx;
   1751					break;
   1752				}
   1753			}
   1754		}
   1755	}
   1756
   1757	return secondary_pipe;
   1758}
   1759
   1760void dcn20_merge_pipes_for_validate(
   1761		struct dc *dc,
   1762		struct dc_state *context)
   1763{
   1764	int i;
   1765
   1766	/* merge previously split odm pipes since mode support needs to make the decision */
   1767	for (i = 0; i < dc->res_pool->pipe_count; i++) {
   1768		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
   1769		struct pipe_ctx *odm_pipe = pipe->next_odm_pipe;
   1770
   1771		if (pipe->prev_odm_pipe)
   1772			continue;
   1773
   1774		pipe->next_odm_pipe = NULL;
   1775		while (odm_pipe) {
   1776			struct pipe_ctx *next_odm_pipe = odm_pipe->next_odm_pipe;
   1777
   1778			odm_pipe->plane_state = NULL;
   1779			odm_pipe->stream = NULL;
   1780			odm_pipe->top_pipe = NULL;
   1781			odm_pipe->bottom_pipe = NULL;
   1782			odm_pipe->prev_odm_pipe = NULL;
   1783			odm_pipe->next_odm_pipe = NULL;
   1784			if (odm_pipe->stream_res.dsc)
   1785				dcn20_release_dsc(&context->res_ctx, dc->res_pool, &odm_pipe->stream_res.dsc);
   1786			/* Clear plane_res and stream_res */
   1787			memset(&odm_pipe->plane_res, 0, sizeof(odm_pipe->plane_res));
   1788			memset(&odm_pipe->stream_res, 0, sizeof(odm_pipe->stream_res));
   1789			odm_pipe = next_odm_pipe;
   1790		}
   1791		if (pipe->plane_state)
   1792			resource_build_scaling_params(pipe);
   1793	}
   1794
   1795	/* merge previously mpc split pipes since mode support needs to make the decision */
   1796	for (i = 0; i < dc->res_pool->pipe_count; i++) {
   1797		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
   1798		struct pipe_ctx *hsplit_pipe = pipe->bottom_pipe;
   1799
   1800		if (!hsplit_pipe || hsplit_pipe->plane_state != pipe->plane_state)
   1801			continue;
   1802
   1803		pipe->bottom_pipe = hsplit_pipe->bottom_pipe;
   1804		if (hsplit_pipe->bottom_pipe)
   1805			hsplit_pipe->bottom_pipe->top_pipe = pipe;
   1806		hsplit_pipe->plane_state = NULL;
   1807		hsplit_pipe->stream = NULL;
   1808		hsplit_pipe->top_pipe = NULL;
   1809		hsplit_pipe->bottom_pipe = NULL;
   1810
   1811		/* Clear plane_res and stream_res */
   1812		memset(&hsplit_pipe->plane_res, 0, sizeof(hsplit_pipe->plane_res));
   1813		memset(&hsplit_pipe->stream_res, 0, sizeof(hsplit_pipe->stream_res));
   1814		if (pipe->plane_state)
   1815			resource_build_scaling_params(pipe);
   1816	}
   1817}
   1818
   1819int dcn20_validate_apply_pipe_split_flags(
   1820		struct dc *dc,
   1821		struct dc_state *context,
   1822		int vlevel,
   1823		int *split,
   1824		bool *merge)
   1825{
   1826	int i, pipe_idx, vlevel_split;
   1827	int plane_count = 0;
   1828	bool force_split = false;
   1829	bool avoid_split = dc->debug.pipe_split_policy == MPC_SPLIT_AVOID;
   1830	struct vba_vars_st *v = &context->bw_ctx.dml.vba;
   1831	int max_mpc_comb = v->maxMpcComb;
   1832
   1833	if (context->stream_count > 1) {
   1834		if (dc->debug.pipe_split_policy == MPC_SPLIT_AVOID_MULT_DISP)
   1835			avoid_split = true;
   1836	} else if (dc->debug.force_single_disp_pipe_split)
   1837			force_split = true;
   1838
   1839	for (i = 0; i < dc->res_pool->pipe_count; i++) {
   1840		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
   1841
   1842		/**
   1843		 * Workaround for avoiding pipe-split in cases where we'd split
   1844		 * planes that are too small, resulting in splits that aren't
   1845		 * valid for the scaler.
   1846		 */
   1847		if (pipe->plane_state &&
   1848		    (pipe->plane_state->dst_rect.width <= 16 ||
   1849		     pipe->plane_state->dst_rect.height <= 16 ||
   1850		     pipe->plane_state->src_rect.width <= 16 ||
   1851		     pipe->plane_state->src_rect.height <= 16))
   1852			avoid_split = true;
   1853
   1854		/* TODO: fix dc bugs and remove this split threshold thing */
   1855		if (pipe->stream && !pipe->prev_odm_pipe &&
   1856				(!pipe->top_pipe || pipe->top_pipe->plane_state != pipe->plane_state))
   1857			++plane_count;
   1858	}
   1859	if (plane_count > dc->res_pool->pipe_count / 2)
   1860		avoid_split = true;
   1861
   1862	/* W/A: Mode timing with borders may not work well with pipe split, avoid for this corner case */
   1863	for (i = 0; i < dc->res_pool->pipe_count; i++) {
   1864		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
   1865		struct dc_crtc_timing timing;
   1866
   1867		if (!pipe->stream)
   1868			continue;
   1869		else {
   1870			timing = pipe->stream->timing;
   1871			if (timing.h_border_left + timing.h_border_right
   1872					+ timing.v_border_top + timing.v_border_bottom > 0) {
   1873				avoid_split = true;
   1874				break;
   1875			}
   1876		}
   1877	}
   1878
   1879	/* Avoid split loop looks for lowest voltage level that allows most unsplit pipes possible */
   1880	if (avoid_split) {
   1881		for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
   1882			if (!context->res_ctx.pipe_ctx[i].stream)
   1883				continue;
   1884
   1885			for (vlevel_split = vlevel; vlevel <= context->bw_ctx.dml.soc.num_states; vlevel++)
   1886				if (v->NoOfDPP[vlevel][0][pipe_idx] == 1 &&
   1887						v->ModeSupport[vlevel][0])
   1888					break;
   1889			/* Impossible to not split this pipe */
   1890			if (vlevel > context->bw_ctx.dml.soc.num_states)
   1891				vlevel = vlevel_split;
   1892			else
   1893				max_mpc_comb = 0;
   1894			pipe_idx++;
   1895		}
   1896		v->maxMpcComb = max_mpc_comb;
   1897	}
   1898
   1899	/* Split loop sets which pipe should be split based on dml outputs and dc flags */
   1900	for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
   1901		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
   1902		int pipe_plane = v->pipe_plane[pipe_idx];
   1903		bool split4mpc = context->stream_count == 1 && plane_count == 1
   1904				&& dc->config.enable_4to1MPC && dc->res_pool->pipe_count >= 4;
   1905
   1906		if (!context->res_ctx.pipe_ctx[i].stream)
   1907			continue;
   1908
   1909		if (split4mpc || v->NoOfDPP[vlevel][max_mpc_comb][pipe_plane] == 4)
   1910			split[i] = 4;
   1911		else if (force_split || v->NoOfDPP[vlevel][max_mpc_comb][pipe_plane] == 2)
   1912				split[i] = 2;
   1913
   1914		if ((pipe->stream->view_format ==
   1915				VIEW_3D_FORMAT_SIDE_BY_SIDE ||
   1916				pipe->stream->view_format ==
   1917				VIEW_3D_FORMAT_TOP_AND_BOTTOM) &&
   1918				(pipe->stream->timing.timing_3d_format ==
   1919				TIMING_3D_FORMAT_TOP_AND_BOTTOM ||
   1920				 pipe->stream->timing.timing_3d_format ==
   1921				TIMING_3D_FORMAT_SIDE_BY_SIDE))
   1922			split[i] = 2;
   1923		if (dc->debug.force_odm_combine & (1 << pipe->stream_res.tg->inst)) {
   1924			split[i] = 2;
   1925			v->ODMCombineEnablePerState[vlevel][pipe_plane] = dm_odm_combine_mode_2to1;
   1926		}
   1927		if (dc->debug.force_odm_combine_4to1 & (1 << pipe->stream_res.tg->inst)) {
   1928			split[i] = 4;
   1929			v->ODMCombineEnablePerState[vlevel][pipe_plane] = dm_odm_combine_mode_4to1;
   1930		}
   1931		/*420 format workaround*/
   1932		if (pipe->stream->timing.h_addressable > 7680 &&
   1933				pipe->stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) {
   1934			split[i] = 4;
   1935		}
   1936		v->ODMCombineEnabled[pipe_plane] =
   1937			v->ODMCombineEnablePerState[vlevel][pipe_plane];
   1938
   1939		if (v->ODMCombineEnabled[pipe_plane] == dm_odm_combine_mode_disabled) {
   1940			if (get_num_mpc_splits(pipe) == 1) {
   1941				/*If need split for mpc but 2 way split already*/
   1942				if (split[i] == 4)
   1943					split[i] = 2; /* 2 -> 4 MPC */
   1944				else if (split[i] == 2)
   1945					split[i] = 0; /* 2 -> 2 MPC */
   1946				else if (pipe->top_pipe && pipe->top_pipe->plane_state == pipe->plane_state)
   1947					merge[i] = true; /* 2 -> 1 MPC */
   1948			} else if (get_num_mpc_splits(pipe) == 3) {
   1949				/*If need split for mpc but 4 way split already*/
   1950				if (split[i] == 2 && ((pipe->top_pipe && !pipe->top_pipe->top_pipe)
   1951						|| !pipe->bottom_pipe)) {
   1952					merge[i] = true; /* 4 -> 2 MPC */
   1953				} else if (split[i] == 0 && pipe->top_pipe &&
   1954						pipe->top_pipe->plane_state == pipe->plane_state)
   1955					merge[i] = true; /* 4 -> 1 MPC */
   1956				split[i] = 0;
   1957			} else if (get_num_odm_splits(pipe)) {
   1958				/* ODM -> MPC transition */
   1959				if (pipe->prev_odm_pipe) {
   1960					split[i] = 0;
   1961					merge[i] = true;
   1962				}
   1963			}
   1964		} else {
   1965			if (get_num_odm_splits(pipe) == 1) {
   1966				/*If need split for odm but 2 way split already*/
   1967				if (split[i] == 4)
   1968					split[i] = 2; /* 2 -> 4 ODM */
   1969				else if (split[i] == 2)
   1970					split[i] = 0; /* 2 -> 2 ODM */
   1971				else if (pipe->prev_odm_pipe) {
   1972					ASSERT(0); /* NOT expected yet */
   1973					merge[i] = true; /* exit ODM */
   1974				}
   1975			} else if (get_num_odm_splits(pipe) == 3) {
   1976				/*If need split for odm but 4 way split already*/
   1977				if (split[i] == 2 && ((pipe->prev_odm_pipe && !pipe->prev_odm_pipe->prev_odm_pipe)
   1978						|| !pipe->next_odm_pipe)) {
   1979					merge[i] = true; /* 4 -> 2 ODM */
   1980				} else if (split[i] == 0 && pipe->prev_odm_pipe) {
   1981					ASSERT(0); /* NOT expected yet */
   1982					merge[i] = true; /* exit ODM */
   1983				}
   1984				split[i] = 0;
   1985			} else if (get_num_mpc_splits(pipe)) {
   1986				/* MPC -> ODM transition */
   1987				ASSERT(0); /* NOT expected yet */
   1988				if (pipe->top_pipe && pipe->top_pipe->plane_state == pipe->plane_state) {
   1989					split[i] = 0;
   1990					merge[i] = true;
   1991				}
   1992			}
   1993		}
   1994
   1995		/* Adjust dppclk when split is forced, do not bother with dispclk */
   1996		if (split[i] != 0 && v->NoOfDPP[vlevel][max_mpc_comb][pipe_idx] == 1) {
   1997			DC_FP_START();
   1998			dcn20_fpu_adjust_dppclk(v, vlevel, max_mpc_comb, pipe_idx, false);
   1999			DC_FP_END();
   2000		}
   2001		pipe_idx++;
   2002	}
   2003
   2004	return vlevel;
   2005}
   2006
   2007bool dcn20_fast_validate_bw(
   2008		struct dc *dc,
   2009		struct dc_state *context,
   2010		display_e2e_pipe_params_st *pipes,
   2011		int *pipe_cnt_out,
   2012		int *pipe_split_from,
   2013		int *vlevel_out,
   2014		bool fast_validate)
   2015{
   2016	bool out = false;
   2017	int split[MAX_PIPES] = { 0 };
   2018	int pipe_cnt, i, pipe_idx, vlevel;
   2019
   2020	ASSERT(pipes);
   2021	if (!pipes)
   2022		return false;
   2023
   2024	dcn20_merge_pipes_for_validate(dc, context);
   2025
   2026	DC_FP_START();
   2027	pipe_cnt = dc->res_pool->funcs->populate_dml_pipes(dc, context, pipes, fast_validate);
   2028	DC_FP_END();
   2029
   2030	*pipe_cnt_out = pipe_cnt;
   2031
   2032	if (!pipe_cnt) {
   2033		out = true;
   2034		goto validate_out;
   2035	}
   2036
   2037	vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, pipe_cnt);
   2038
   2039	if (vlevel > context->bw_ctx.dml.soc.num_states)
   2040		goto validate_fail;
   2041
   2042	vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, vlevel, split, NULL);
   2043
   2044	/*initialize pipe_just_split_from to invalid idx*/
   2045	for (i = 0; i < MAX_PIPES; i++)
   2046		pipe_split_from[i] = -1;
   2047
   2048	for (i = 0, pipe_idx = -1; i < dc->res_pool->pipe_count; i++) {
   2049		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
   2050		struct pipe_ctx *hsplit_pipe = pipe->bottom_pipe;
   2051
   2052		if (!pipe->stream || pipe_split_from[i] >= 0)
   2053			continue;
   2054
   2055		pipe_idx++;
   2056
   2057		if (!pipe->top_pipe && !pipe->plane_state && context->bw_ctx.dml.vba.ODMCombineEnabled[pipe_idx]) {
   2058			hsplit_pipe = dcn20_find_secondary_pipe(dc, &context->res_ctx, dc->res_pool, pipe);
   2059			ASSERT(hsplit_pipe);
   2060			if (!dcn20_split_stream_for_odm(
   2061					dc, &context->res_ctx,
   2062					pipe, hsplit_pipe))
   2063				goto validate_fail;
   2064			pipe_split_from[hsplit_pipe->pipe_idx] = pipe_idx;
   2065			dcn20_build_mapped_resource(dc, context, pipe->stream);
   2066		}
   2067
   2068		if (!pipe->plane_state)
   2069			continue;
   2070		/* Skip 2nd half of already split pipe */
   2071		if (pipe->top_pipe && pipe->plane_state == pipe->top_pipe->plane_state)
   2072			continue;
   2073
   2074		/* We do not support mpo + odm at the moment */
   2075		if (hsplit_pipe && hsplit_pipe->plane_state != pipe->plane_state
   2076				&& context->bw_ctx.dml.vba.ODMCombineEnabled[pipe_idx])
   2077			goto validate_fail;
   2078
   2079		if (split[i] == 2) {
   2080			if (!hsplit_pipe || hsplit_pipe->plane_state != pipe->plane_state) {
   2081				/* pipe not split previously needs split */
   2082				hsplit_pipe = dcn20_find_secondary_pipe(dc, &context->res_ctx, dc->res_pool, pipe);
   2083				ASSERT(hsplit_pipe);
   2084				if (!hsplit_pipe) {
   2085					DC_FP_START();
   2086					dcn20_fpu_adjust_dppclk(&context->bw_ctx.dml.vba, vlevel, context->bw_ctx.dml.vba.maxMpcComb, pipe_idx, true);
   2087					DC_FP_END();
   2088					continue;
   2089				}
   2090				if (context->bw_ctx.dml.vba.ODMCombineEnabled[pipe_idx]) {
   2091					if (!dcn20_split_stream_for_odm(
   2092							dc, &context->res_ctx,
   2093							pipe, hsplit_pipe))
   2094						goto validate_fail;
   2095					dcn20_build_mapped_resource(dc, context, pipe->stream);
   2096				} else {
   2097					dcn20_split_stream_for_mpc(
   2098							&context->res_ctx, dc->res_pool,
   2099							pipe, hsplit_pipe);
   2100					resource_build_scaling_params(pipe);
   2101					resource_build_scaling_params(hsplit_pipe);
   2102				}
   2103				pipe_split_from[hsplit_pipe->pipe_idx] = pipe_idx;
   2104			}
   2105		} else if (hsplit_pipe && hsplit_pipe->plane_state == pipe->plane_state) {
   2106			/* merge should already have been done */
   2107			ASSERT(0);
   2108		}
   2109	}
   2110	/* Actual dsc count per stream dsc validation*/
   2111	if (!dcn20_validate_dsc(dc, context)) {
   2112		context->bw_ctx.dml.vba.ValidationStatus[context->bw_ctx.dml.vba.soc.num_states] =
   2113				DML_FAIL_DSC_VALIDATION_FAILURE;
   2114		goto validate_fail;
   2115	}
   2116
   2117	*vlevel_out = vlevel;
   2118
   2119	out = true;
   2120	goto validate_out;
   2121
   2122validate_fail:
   2123	out = false;
   2124
   2125validate_out:
   2126	return out;
   2127}
   2128
   2129bool dcn20_validate_bandwidth(struct dc *dc, struct dc_state *context,
   2130		bool fast_validate)
   2131{
   2132	bool voltage_supported;
   2133	DC_FP_START();
   2134	voltage_supported = dcn20_validate_bandwidth_fp(dc, context, fast_validate);
   2135	DC_FP_END();
   2136	return voltage_supported;
   2137}
   2138
   2139struct pipe_ctx *dcn20_acquire_idle_pipe_for_layer(
   2140		struct dc_state *state,
   2141		const struct resource_pool *pool,
   2142		struct dc_stream_state *stream)
   2143{
   2144	struct resource_context *res_ctx = &state->res_ctx;
   2145	struct pipe_ctx *head_pipe = resource_get_head_pipe_for_stream(res_ctx, stream);
   2146	struct pipe_ctx *idle_pipe = find_idle_secondary_pipe(res_ctx, pool, head_pipe);
   2147
   2148	if (!head_pipe)
   2149		ASSERT(0);
   2150
   2151	if (!idle_pipe)
   2152		return NULL;
   2153
   2154	idle_pipe->stream = head_pipe->stream;
   2155	idle_pipe->stream_res.tg = head_pipe->stream_res.tg;
   2156	idle_pipe->stream_res.opp = head_pipe->stream_res.opp;
   2157
   2158	idle_pipe->plane_res.hubp = pool->hubps[idle_pipe->pipe_idx];
   2159	idle_pipe->plane_res.ipp = pool->ipps[idle_pipe->pipe_idx];
   2160	idle_pipe->plane_res.dpp = pool->dpps[idle_pipe->pipe_idx];
   2161	idle_pipe->plane_res.mpcc_inst = pool->dpps[idle_pipe->pipe_idx]->inst;
   2162
   2163	return idle_pipe;
   2164}
   2165
   2166bool dcn20_get_dcc_compression_cap(const struct dc *dc,
   2167		const struct dc_dcc_surface_param *input,
   2168		struct dc_surface_dcc_cap *output)
   2169{
   2170	return dc->res_pool->hubbub->funcs->get_dcc_compression_cap(
   2171			dc->res_pool->hubbub,
   2172			input,
   2173			output);
   2174}
   2175
   2176static void dcn20_destroy_resource_pool(struct resource_pool **pool)
   2177{
   2178	struct dcn20_resource_pool *dcn20_pool = TO_DCN20_RES_POOL(*pool);
   2179
   2180	dcn20_resource_destruct(dcn20_pool);
   2181	kfree(dcn20_pool);
   2182	*pool = NULL;
   2183}
   2184
   2185
   2186static struct dc_cap_funcs cap_funcs = {
   2187	.get_dcc_compression_cap = dcn20_get_dcc_compression_cap
   2188};
   2189
   2190
   2191enum dc_status dcn20_patch_unknown_plane_state(struct dc_plane_state *plane_state)
   2192{
   2193	enum surface_pixel_format surf_pix_format = plane_state->format;
   2194	unsigned int bpp = resource_pixel_format_to_bpp(surf_pix_format);
   2195
   2196	enum swizzle_mode_values swizzle = DC_SW_LINEAR;
   2197
   2198	if (bpp == 64)
   2199		swizzle = DC_SW_64KB_D;
   2200	else
   2201		swizzle = DC_SW_64KB_S;
   2202
   2203	plane_state->tiling_info.gfx9.swizzle = swizzle;
   2204	return DC_OK;
   2205}
   2206
   2207static const struct resource_funcs dcn20_res_pool_funcs = {
   2208	.destroy = dcn20_destroy_resource_pool,
   2209	.link_enc_create = dcn20_link_encoder_create,
   2210	.panel_cntl_create = dcn20_panel_cntl_create,
   2211	.validate_bandwidth = dcn20_validate_bandwidth,
   2212	.acquire_idle_pipe_for_layer = dcn20_acquire_idle_pipe_for_layer,
   2213	.add_stream_to_ctx = dcn20_add_stream_to_ctx,
   2214	.add_dsc_to_stream_resource = dcn20_add_dsc_to_stream_resource,
   2215	.remove_stream_from_ctx = dcn20_remove_stream_from_ctx,
   2216	.populate_dml_writeback_from_context = dcn20_populate_dml_writeback_from_context,
   2217	.patch_unknown_plane_state = dcn20_patch_unknown_plane_state,
   2218	.set_mcif_arb_params = dcn20_set_mcif_arb_params,
   2219	.populate_dml_pipes = dcn20_populate_dml_pipes_from_context,
   2220	.find_first_free_match_stream_enc_for_link = dcn10_find_first_free_match_stream_enc_for_link
   2221};
   2222
   2223bool dcn20_dwbc_create(struct dc_context *ctx, struct resource_pool *pool)
   2224{
   2225	int i;
   2226	uint32_t pipe_count = pool->res_cap->num_dwb;
   2227
   2228	for (i = 0; i < pipe_count; i++) {
   2229		struct dcn20_dwbc *dwbc20 = kzalloc(sizeof(struct dcn20_dwbc),
   2230						    GFP_KERNEL);
   2231
   2232		if (!dwbc20) {
   2233			dm_error("DC: failed to create dwbc20!\n");
   2234			return false;
   2235		}
   2236		dcn20_dwbc_construct(dwbc20, ctx,
   2237				&dwbc20_regs[i],
   2238				&dwbc20_shift,
   2239				&dwbc20_mask,
   2240				i);
   2241		pool->dwbc[i] = &dwbc20->base;
   2242	}
   2243	return true;
   2244}
   2245
   2246bool dcn20_mmhubbub_create(struct dc_context *ctx, struct resource_pool *pool)
   2247{
   2248	int i;
   2249	uint32_t pipe_count = pool->res_cap->num_dwb;
   2250
   2251	ASSERT(pipe_count > 0);
   2252
   2253	for (i = 0; i < pipe_count; i++) {
   2254		struct dcn20_mmhubbub *mcif_wb20 = kzalloc(sizeof(struct dcn20_mmhubbub),
   2255						    GFP_KERNEL);
   2256
   2257		if (!mcif_wb20) {
   2258			dm_error("DC: failed to create mcif_wb20!\n");
   2259			return false;
   2260		}
   2261
   2262		dcn20_mmhubbub_construct(mcif_wb20, ctx,
   2263				&mcif_wb20_regs[i],
   2264				&mcif_wb20_shift,
   2265				&mcif_wb20_mask,
   2266				i);
   2267
   2268		pool->mcif_wb[i] = &mcif_wb20->base;
   2269	}
   2270	return true;
   2271}
   2272
   2273static struct pp_smu_funcs *dcn20_pp_smu_create(struct dc_context *ctx)
   2274{
   2275	struct pp_smu_funcs *pp_smu = kzalloc(sizeof(*pp_smu), GFP_ATOMIC);
   2276
   2277	if (!pp_smu)
   2278		return pp_smu;
   2279
   2280	dm_pp_get_funcs(ctx, pp_smu);
   2281
   2282	if (pp_smu->ctx.ver != PP_SMU_VER_NV)
   2283		pp_smu = memset(pp_smu, 0, sizeof(struct pp_smu_funcs));
   2284
   2285	return pp_smu;
   2286}
   2287
   2288static void dcn20_pp_smu_destroy(struct pp_smu_funcs **pp_smu)
   2289{
   2290	if (pp_smu && *pp_smu) {
   2291		kfree(*pp_smu);
   2292		*pp_smu = NULL;
   2293	}
   2294}
   2295
   2296static struct _vcs_dpi_soc_bounding_box_st *get_asic_rev_soc_bb(
   2297	uint32_t hw_internal_rev)
   2298{
   2299	if (ASICREV_IS_NAVI14_M(hw_internal_rev))
   2300		return &dcn2_0_nv14_soc;
   2301
   2302	if (ASICREV_IS_NAVI12_P(hw_internal_rev))
   2303		return &dcn2_0_nv12_soc;
   2304
   2305	return &dcn2_0_soc;
   2306}
   2307
   2308static struct _vcs_dpi_ip_params_st *get_asic_rev_ip_params(
   2309	uint32_t hw_internal_rev)
   2310{
   2311	/* NV14 */
   2312	if (ASICREV_IS_NAVI14_M(hw_internal_rev))
   2313		return &dcn2_0_nv14_ip;
   2314
   2315	/* NV12 and NV10 */
   2316	return &dcn2_0_ip;
   2317}
   2318
   2319static enum dml_project get_dml_project_version(uint32_t hw_internal_rev)
   2320{
   2321	return DML_PROJECT_NAVI10v2;
   2322}
   2323
   2324static bool init_soc_bounding_box(struct dc *dc,
   2325				  struct dcn20_resource_pool *pool)
   2326{
   2327	struct _vcs_dpi_soc_bounding_box_st *loaded_bb =
   2328			get_asic_rev_soc_bb(dc->ctx->asic_id.hw_internal_rev);
   2329	struct _vcs_dpi_ip_params_st *loaded_ip =
   2330			get_asic_rev_ip_params(dc->ctx->asic_id.hw_internal_rev);
   2331
   2332	DC_LOGGER_INIT(dc->ctx->logger);
   2333
   2334	if (pool->base.pp_smu) {
   2335		struct pp_smu_nv_clock_table max_clocks = {0};
   2336		unsigned int uclk_states[8] = {0};
   2337		unsigned int num_states = 0;
   2338		enum pp_smu_status status;
   2339		bool clock_limits_available = false;
   2340		bool uclk_states_available = false;
   2341
   2342		if (pool->base.pp_smu->nv_funcs.get_uclk_dpm_states) {
   2343			status = (pool->base.pp_smu->nv_funcs.get_uclk_dpm_states)
   2344				(&pool->base.pp_smu->nv_funcs.pp_smu, uclk_states, &num_states);
   2345
   2346			uclk_states_available = (status == PP_SMU_RESULT_OK);
   2347		}
   2348
   2349		if (pool->base.pp_smu->nv_funcs.get_maximum_sustainable_clocks) {
   2350			status = (*pool->base.pp_smu->nv_funcs.get_maximum_sustainable_clocks)
   2351					(&pool->base.pp_smu->nv_funcs.pp_smu, &max_clocks);
   2352			/* SMU cannot set DCF clock to anything equal to or higher than SOC clock
   2353			 */
   2354			if (max_clocks.dcfClockInKhz >= max_clocks.socClockInKhz)
   2355				max_clocks.dcfClockInKhz = max_clocks.socClockInKhz - 1000;
   2356			clock_limits_available = (status == PP_SMU_RESULT_OK);
   2357		}
   2358
   2359		if (clock_limits_available && uclk_states_available && num_states) {
   2360			DC_FP_START();
   2361			dcn20_update_bounding_box(dc, loaded_bb, &max_clocks, uclk_states, num_states);
   2362			DC_FP_END();
   2363		} else if (clock_limits_available) {
   2364			DC_FP_START();
   2365			dcn20_cap_soc_clocks(loaded_bb, max_clocks);
   2366			DC_FP_END();
   2367		}
   2368	}
   2369
   2370	loaded_ip->max_num_otg = pool->base.res_cap->num_timing_generator;
   2371	loaded_ip->max_num_dpp = pool->base.pipe_count;
   2372	DC_FP_START();
   2373	dcn20_patch_bounding_box(dc, loaded_bb);
   2374	DC_FP_END();
   2375	return true;
   2376}
   2377
   2378static bool dcn20_resource_construct(
   2379	uint8_t num_virtual_links,
   2380	struct dc *dc,
   2381	struct dcn20_resource_pool *pool)
   2382{
   2383	int i;
   2384	struct dc_context *ctx = dc->ctx;
   2385	struct irq_service_init_data init_data;
   2386	struct ddc_service_init_data ddc_init_data = {0};
   2387	struct _vcs_dpi_soc_bounding_box_st *loaded_bb =
   2388			get_asic_rev_soc_bb(ctx->asic_id.hw_internal_rev);
   2389	struct _vcs_dpi_ip_params_st *loaded_ip =
   2390			get_asic_rev_ip_params(ctx->asic_id.hw_internal_rev);
   2391	enum dml_project dml_project_version =
   2392			get_dml_project_version(ctx->asic_id.hw_internal_rev);
   2393
   2394	ctx->dc_bios->regs = &bios_regs;
   2395	pool->base.funcs = &dcn20_res_pool_funcs;
   2396
   2397	if (ASICREV_IS_NAVI14_M(ctx->asic_id.hw_internal_rev)) {
   2398		pool->base.res_cap = &res_cap_nv14;
   2399		pool->base.pipe_count = 5;
   2400		pool->base.mpcc_count = 5;
   2401	} else {
   2402		pool->base.res_cap = &res_cap_nv10;
   2403		pool->base.pipe_count = 6;
   2404		pool->base.mpcc_count = 6;
   2405	}
   2406	/*************************************************
   2407	 *  Resource + asic cap harcoding                *
   2408	 *************************************************/
   2409	pool->base.underlay_pipe_index = NO_UNDERLAY_PIPE;
   2410
   2411	dc->caps.max_downscale_ratio = 200;
   2412	dc->caps.i2c_speed_in_khz = 100;
   2413	dc->caps.i2c_speed_in_khz_hdcp = 100; /*1.4 w/a not applied by default*/
   2414	dc->caps.max_cursor_size = 256;
   2415	dc->caps.min_horizontal_blanking_period = 80;
   2416	dc->caps.dmdata_alloc_size = 2048;
   2417
   2418	dc->caps.max_slave_planes = 1;
   2419	dc->caps.max_slave_yuv_planes = 1;
   2420	dc->caps.max_slave_rgb_planes = 1;
   2421	dc->caps.post_blend_color_processing = true;
   2422	dc->caps.force_dp_tps4_for_cp2520 = true;
   2423	dc->caps.extended_aux_timeout_support = true;
   2424
   2425	/* Color pipeline capabilities */
   2426	dc->caps.color.dpp.dcn_arch = 1;
   2427	dc->caps.color.dpp.input_lut_shared = 0;
   2428	dc->caps.color.dpp.icsc = 1;
   2429	dc->caps.color.dpp.dgam_ram = 1;
   2430	dc->caps.color.dpp.dgam_rom_caps.srgb = 1;
   2431	dc->caps.color.dpp.dgam_rom_caps.bt2020 = 1;
   2432	dc->caps.color.dpp.dgam_rom_caps.gamma2_2 = 0;
   2433	dc->caps.color.dpp.dgam_rom_caps.pq = 0;
   2434	dc->caps.color.dpp.dgam_rom_caps.hlg = 0;
   2435	dc->caps.color.dpp.post_csc = 0;
   2436	dc->caps.color.dpp.gamma_corr = 0;
   2437	dc->caps.color.dpp.dgam_rom_for_yuv = 1;
   2438
   2439	dc->caps.color.dpp.hw_3d_lut = 1;
   2440	dc->caps.color.dpp.ogam_ram = 1;
   2441	// no OGAM ROM on DCN2, only MPC ROM
   2442	dc->caps.color.dpp.ogam_rom_caps.srgb = 0;
   2443	dc->caps.color.dpp.ogam_rom_caps.bt2020 = 0;
   2444	dc->caps.color.dpp.ogam_rom_caps.gamma2_2 = 0;
   2445	dc->caps.color.dpp.ogam_rom_caps.pq = 0;
   2446	dc->caps.color.dpp.ogam_rom_caps.hlg = 0;
   2447	dc->caps.color.dpp.ocsc = 0;
   2448
   2449	dc->caps.color.mpc.gamut_remap = 0;
   2450	dc->caps.color.mpc.num_3dluts = 0;
   2451	dc->caps.color.mpc.shared_3d_lut = 0;
   2452	dc->caps.color.mpc.ogam_ram = 1;
   2453	dc->caps.color.mpc.ogam_rom_caps.srgb = 0;
   2454	dc->caps.color.mpc.ogam_rom_caps.bt2020 = 0;
   2455	dc->caps.color.mpc.ogam_rom_caps.gamma2_2 = 0;
   2456	dc->caps.color.mpc.ogam_rom_caps.pq = 0;
   2457	dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
   2458	dc->caps.color.mpc.ocsc = 1;
   2459
   2460	dc->caps.hdmi_frl_pcon_support = true;
   2461
   2462	if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV) {
   2463		dc->debug = debug_defaults_drv;
   2464	} else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) {
   2465		pool->base.pipe_count = 4;
   2466		pool->base.mpcc_count = pool->base.pipe_count;
   2467		dc->debug = debug_defaults_diags;
   2468	} else {
   2469		dc->debug = debug_defaults_diags;
   2470	}
   2471	//dcn2.0x
   2472	dc->work_arounds.dedcn20_305_wa = true;
   2473
   2474	// Init the vm_helper
   2475	if (dc->vm_helper)
   2476		vm_helper_init(dc->vm_helper, 16);
   2477
   2478	/*************************************************
   2479	 *  Create resources                             *
   2480	 *************************************************/
   2481
   2482	pool->base.clock_sources[DCN20_CLK_SRC_PLL0] =
   2483			dcn20_clock_source_create(ctx, ctx->dc_bios,
   2484				CLOCK_SOURCE_COMBO_PHY_PLL0,
   2485				&clk_src_regs[0], false);
   2486	pool->base.clock_sources[DCN20_CLK_SRC_PLL1] =
   2487			dcn20_clock_source_create(ctx, ctx->dc_bios,
   2488				CLOCK_SOURCE_COMBO_PHY_PLL1,
   2489				&clk_src_regs[1], false);
   2490	pool->base.clock_sources[DCN20_CLK_SRC_PLL2] =
   2491			dcn20_clock_source_create(ctx, ctx->dc_bios,
   2492				CLOCK_SOURCE_COMBO_PHY_PLL2,
   2493				&clk_src_regs[2], false);
   2494	pool->base.clock_sources[DCN20_CLK_SRC_PLL3] =
   2495			dcn20_clock_source_create(ctx, ctx->dc_bios,
   2496				CLOCK_SOURCE_COMBO_PHY_PLL3,
   2497				&clk_src_regs[3], false);
   2498	pool->base.clock_sources[DCN20_CLK_SRC_PLL4] =
   2499			dcn20_clock_source_create(ctx, ctx->dc_bios,
   2500				CLOCK_SOURCE_COMBO_PHY_PLL4,
   2501				&clk_src_regs[4], false);
   2502	pool->base.clock_sources[DCN20_CLK_SRC_PLL5] =
   2503			dcn20_clock_source_create(ctx, ctx->dc_bios,
   2504				CLOCK_SOURCE_COMBO_PHY_PLL5,
   2505				&clk_src_regs[5], false);
   2506	pool->base.clk_src_count = DCN20_CLK_SRC_TOTAL;
   2507	/* todo: not reuse phy_pll registers */
   2508	pool->base.dp_clock_source =
   2509			dcn20_clock_source_create(ctx, ctx->dc_bios,
   2510				CLOCK_SOURCE_ID_DP_DTO,
   2511				&clk_src_regs[0], true);
   2512
   2513	for (i = 0; i < pool->base.clk_src_count; i++) {
   2514		if (pool->base.clock_sources[i] == NULL) {
   2515			dm_error("DC: failed to create clock sources!\n");
   2516			BREAK_TO_DEBUGGER();
   2517			goto create_fail;
   2518		}
   2519	}
   2520
   2521	pool->base.dccg = dccg2_create(ctx, &dccg_regs, &dccg_shift, &dccg_mask);
   2522	if (pool->base.dccg == NULL) {
   2523		dm_error("DC: failed to create dccg!\n");
   2524		BREAK_TO_DEBUGGER();
   2525		goto create_fail;
   2526	}
   2527
   2528	pool->base.dmcu = dcn20_dmcu_create(ctx,
   2529			&dmcu_regs,
   2530			&dmcu_shift,
   2531			&dmcu_mask);
   2532	if (pool->base.dmcu == NULL) {
   2533		dm_error("DC: failed to create dmcu!\n");
   2534		BREAK_TO_DEBUGGER();
   2535		goto create_fail;
   2536	}
   2537
   2538	pool->base.abm = dce_abm_create(ctx,
   2539			&abm_regs,
   2540			&abm_shift,
   2541			&abm_mask);
   2542	if (pool->base.abm == NULL) {
   2543		dm_error("DC: failed to create abm!\n");
   2544		BREAK_TO_DEBUGGER();
   2545		goto create_fail;
   2546	}
   2547
   2548	pool->base.pp_smu = dcn20_pp_smu_create(ctx);
   2549
   2550
   2551	if (!init_soc_bounding_box(dc, pool)) {
   2552		dm_error("DC: failed to initialize soc bounding box!\n");
   2553		BREAK_TO_DEBUGGER();
   2554		goto create_fail;
   2555	}
   2556
   2557	dml_init_instance(&dc->dml, loaded_bb, loaded_ip, dml_project_version);
   2558
   2559	if (!dc->debug.disable_pplib_wm_range) {
   2560		struct pp_smu_wm_range_sets ranges = {0};
   2561		int i = 0;
   2562
   2563		ranges.num_reader_wm_sets = 0;
   2564
   2565		if (loaded_bb->num_states == 1) {
   2566			ranges.reader_wm_sets[0].wm_inst = i;
   2567			ranges.reader_wm_sets[0].min_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN;
   2568			ranges.reader_wm_sets[0].max_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
   2569			ranges.reader_wm_sets[0].min_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN;
   2570			ranges.reader_wm_sets[0].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
   2571
   2572			ranges.num_reader_wm_sets = 1;
   2573		} else if (loaded_bb->num_states > 1) {
   2574			for (i = 0; i < 4 && i < loaded_bb->num_states; i++) {
   2575				ranges.reader_wm_sets[i].wm_inst = i;
   2576				ranges.reader_wm_sets[i].min_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN;
   2577				ranges.reader_wm_sets[i].max_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
   2578				DC_FP_START();
   2579				dcn20_fpu_set_wm_ranges(i, &ranges, loaded_bb);
   2580				DC_FP_END();
   2581
   2582				ranges.num_reader_wm_sets = i + 1;
   2583			}
   2584
   2585			ranges.reader_wm_sets[0].min_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN;
   2586			ranges.reader_wm_sets[ranges.num_reader_wm_sets - 1].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
   2587		}
   2588
   2589		ranges.num_writer_wm_sets = 1;
   2590
   2591		ranges.writer_wm_sets[0].wm_inst = 0;
   2592		ranges.writer_wm_sets[0].min_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN;
   2593		ranges.writer_wm_sets[0].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
   2594		ranges.writer_wm_sets[0].min_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN;
   2595		ranges.writer_wm_sets[0].max_drain_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
   2596
   2597		/* Notify PP Lib/SMU which Watermarks to use for which clock ranges */
   2598		if (pool->base.pp_smu->nv_funcs.set_wm_ranges)
   2599			pool->base.pp_smu->nv_funcs.set_wm_ranges(&pool->base.pp_smu->nv_funcs.pp_smu, &ranges);
   2600	}
   2601
   2602	init_data.ctx = dc->ctx;
   2603	pool->base.irqs = dal_irq_service_dcn20_create(&init_data);
   2604	if (!pool->base.irqs)
   2605		goto create_fail;
   2606
   2607	/* mem input -> ipp -> dpp -> opp -> TG */
   2608	for (i = 0; i < pool->base.pipe_count; i++) {
   2609		pool->base.hubps[i] = dcn20_hubp_create(ctx, i);
   2610		if (pool->base.hubps[i] == NULL) {
   2611			BREAK_TO_DEBUGGER();
   2612			dm_error(
   2613				"DC: failed to create memory input!\n");
   2614			goto create_fail;
   2615		}
   2616
   2617		pool->base.ipps[i] = dcn20_ipp_create(ctx, i);
   2618		if (pool->base.ipps[i] == NULL) {
   2619			BREAK_TO_DEBUGGER();
   2620			dm_error(
   2621				"DC: failed to create input pixel processor!\n");
   2622			goto create_fail;
   2623		}
   2624
   2625		pool->base.dpps[i] = dcn20_dpp_create(ctx, i);
   2626		if (pool->base.dpps[i] == NULL) {
   2627			BREAK_TO_DEBUGGER();
   2628			dm_error(
   2629				"DC: failed to create dpps!\n");
   2630			goto create_fail;
   2631		}
   2632	}
   2633	for (i = 0; i < pool->base.res_cap->num_ddc; i++) {
   2634		pool->base.engines[i] = dcn20_aux_engine_create(ctx, i);
   2635		if (pool->base.engines[i] == NULL) {
   2636			BREAK_TO_DEBUGGER();
   2637			dm_error(
   2638				"DC:failed to create aux engine!!\n");
   2639			goto create_fail;
   2640		}
   2641		pool->base.hw_i2cs[i] = dcn20_i2c_hw_create(ctx, i);
   2642		if (pool->base.hw_i2cs[i] == NULL) {
   2643			BREAK_TO_DEBUGGER();
   2644			dm_error(
   2645				"DC:failed to create hw i2c!!\n");
   2646			goto create_fail;
   2647		}
   2648		pool->base.sw_i2cs[i] = NULL;
   2649	}
   2650
   2651	for (i = 0; i < pool->base.res_cap->num_opp; i++) {
   2652		pool->base.opps[i] = dcn20_opp_create(ctx, i);
   2653		if (pool->base.opps[i] == NULL) {
   2654			BREAK_TO_DEBUGGER();
   2655			dm_error(
   2656				"DC: failed to create output pixel processor!\n");
   2657			goto create_fail;
   2658		}
   2659	}
   2660
   2661	for (i = 0; i < pool->base.res_cap->num_timing_generator; i++) {
   2662		pool->base.timing_generators[i] = dcn20_timing_generator_create(
   2663				ctx, i);
   2664		if (pool->base.timing_generators[i] == NULL) {
   2665			BREAK_TO_DEBUGGER();
   2666			dm_error("DC: failed to create tg!\n");
   2667			goto create_fail;
   2668		}
   2669	}
   2670
   2671	pool->base.timing_generator_count = i;
   2672
   2673	pool->base.mpc = dcn20_mpc_create(ctx);
   2674	if (pool->base.mpc == NULL) {
   2675		BREAK_TO_DEBUGGER();
   2676		dm_error("DC: failed to create mpc!\n");
   2677		goto create_fail;
   2678	}
   2679
   2680	pool->base.hubbub = dcn20_hubbub_create(ctx);
   2681	if (pool->base.hubbub == NULL) {
   2682		BREAK_TO_DEBUGGER();
   2683		dm_error("DC: failed to create hubbub!\n");
   2684		goto create_fail;
   2685	}
   2686
   2687	for (i = 0; i < pool->base.res_cap->num_dsc; i++) {
   2688		pool->base.dscs[i] = dcn20_dsc_create(ctx, i);
   2689		if (pool->base.dscs[i] == NULL) {
   2690			BREAK_TO_DEBUGGER();
   2691			dm_error("DC: failed to create display stream compressor %d!\n", i);
   2692			goto create_fail;
   2693		}
   2694	}
   2695
   2696	if (!dcn20_dwbc_create(ctx, &pool->base)) {
   2697		BREAK_TO_DEBUGGER();
   2698		dm_error("DC: failed to create dwbc!\n");
   2699		goto create_fail;
   2700	}
   2701	if (!dcn20_mmhubbub_create(ctx, &pool->base)) {
   2702		BREAK_TO_DEBUGGER();
   2703		dm_error("DC: failed to create mcif_wb!\n");
   2704		goto create_fail;
   2705	}
   2706
   2707	if (!resource_construct(num_virtual_links, dc, &pool->base,
   2708			(!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment) ?
   2709			&res_create_funcs : &res_create_maximus_funcs)))
   2710			goto create_fail;
   2711
   2712	dcn20_hw_sequencer_construct(dc);
   2713
   2714	// IF NV12, set PG function pointer to NULL. It's not that
   2715	// PG isn't supported for NV12, it's that we don't want to
   2716	// program the registers because that will cause more power
   2717	// to be consumed. We could have created dcn20_init_hw to get
   2718	// the same effect by checking ASIC rev, but there was a
   2719	// request at some point to not check ASIC rev on hw sequencer.
   2720	if (ASICREV_IS_NAVI12_P(dc->ctx->asic_id.hw_internal_rev)) {
   2721		dc->hwseq->funcs.enable_power_gating_plane = NULL;
   2722		dc->debug.disable_dpp_power_gate = true;
   2723		dc->debug.disable_hubp_power_gate = true;
   2724	}
   2725
   2726
   2727	dc->caps.max_planes =  pool->base.pipe_count;
   2728
   2729	for (i = 0; i < dc->caps.max_planes; ++i)
   2730		dc->caps.planes[i] = plane_cap;
   2731
   2732	dc->cap_funcs = cap_funcs;
   2733
   2734	if (dc->ctx->dc_bios->fw_info.oem_i2c_present) {
   2735		ddc_init_data.ctx = dc->ctx;
   2736		ddc_init_data.link = NULL;
   2737		ddc_init_data.id.id = dc->ctx->dc_bios->fw_info.oem_i2c_obj_id;
   2738		ddc_init_data.id.enum_id = 0;
   2739		ddc_init_data.id.type = OBJECT_TYPE_GENERIC;
   2740		pool->base.oem_device = dal_ddc_service_create(&ddc_init_data);
   2741	} else {
   2742		pool->base.oem_device = NULL;
   2743	}
   2744
   2745	return true;
   2746
   2747create_fail:
   2748
   2749	dcn20_resource_destruct(pool);
   2750
   2751	return false;
   2752}
   2753
   2754struct resource_pool *dcn20_create_resource_pool(
   2755		const struct dc_init_data *init_data,
   2756		struct dc *dc)
   2757{
   2758	struct dcn20_resource_pool *pool =
   2759		kzalloc(sizeof(struct dcn20_resource_pool), GFP_ATOMIC);
   2760
   2761	if (!pool)
   2762		return NULL;
   2763
   2764	if (dcn20_resource_construct(init_data->num_virtual_links, dc, pool))
   2765		return &pool->base;
   2766
   2767	BREAK_TO_DEBUGGER();
   2768	kfree(pool);
   2769	return NULL;
   2770}