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drm/amd/display: add CLKMGR changes for DCN32/321

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Add support for managing DCN3.2.x clocks.

v2: squash in smu interface updates (Alex)
v3: Drop unused SMU header (Alex)

Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Jerry Zuo <jerry.zuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aurabindo Pillai 2022-02-21 17:01:06 -05:00 committed by Alex Deucher
parent dda4fb85e4
commit 265280b998
15 changed files with 3506 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile
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@ -172,4 +172,39 @@ AMD_DAL_CLK_MGR_DCN316 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn316/,$(CLK_MGR_
AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN316)
###############################################################################
# DCN32
###############################################################################
CLK_MGR_DCN32 = dcn32_clk_mgr.o dcn32_clk_mgr_smu_msg.o
AMD_DAL_CLK_MGR_DCN32 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn32/,$(CLK_MGR_DCN32))
ifdef CONFIG_X86
CFLAGS_$(AMDDALPATH)/dc/clk_mgr/dcn32/dcn32_clk_mgr.o := -msse
endif
ifdef CONFIG_PPC64
CFLAGS_$(AMDDALPATH)/dc/clk_mgr/dcn32/dcn32_clk_mgr.o := -mhard-float -maltivec
endif
ifdef CONFIG_CC_IS_GCC
ifeq ($(call cc-ifversion, -lt, 0701, y), y)
IS_OLD_GCC = 1
endif
CFLAGS_$(AMDDALPATH)/dc/clk_mgr/dcn32/dcn32_clk_mgr.o := -mhard-float
endif
ifdef CONFIG_X86
ifdef IS_OLD_GCC
# Stack alignment mismatch, proceed with caution.
# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
# (8B stack alignment).
CFLAGS_$(AMDDALPATH)/dc/clk_mgr/dcn32/dcn32_clk_mgr.o := -mpreferred-stack-boundary=4
else
CFLAGS_$(AMDDALPATH)/dc/clk_mgr/dcn32/dcn32_clk_mgr.o := -msse2
endif
endif
AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN32)
endif

17
drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c
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@ -45,6 +45,7 @@
#include "dcn31/dcn31_clk_mgr.h"
#include "dcn315/dcn315_clk_mgr.h"
#include "dcn316/dcn316_clk_mgr.h"
#include "dcn32/dcn32_clk_mgr.h"
int clk_mgr_helper_get_active_display_cnt(
@ -316,8 +317,19 @@ struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *p
return &clk_mgr->base.base;
}
break;
#endif
case AMDGPU_FAMILY_GC_11_0_0: {
struct clk_mgr_internal *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
if (clk_mgr == NULL) {
BREAK_TO_DEBUGGER();
return NULL;
}
dcn32_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
return &clk_mgr->base;
break;
#endif
}
default:
ASSERT(0); /* Unknown Asic */
break;
@ -360,6 +372,9 @@ void dc_destroy_clk_mgr(struct clk_mgr *clk_mgr_base)
dcn316_clk_mgr_destroy(clk_mgr);
break;
case AMDGPU_FAMILY_GC_11_0_0:
dcn32_clk_mgr_destroy(clk_mgr);
break;
default:
break;
}

15
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c
View File

@ -129,7 +129,7 @@ static noinline void dcn3_build_wm_range_table(struct clk_mgr_internal *clk_mgr)
/* Set C - Dummy P-State - P-State latency set to "dummy p-state" value */
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].valid = true;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.pstate_latency_us = clk_mgr->base.ctx->dc->dml.soc.dummy_pstate_latency_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.pstate_latency_us = 0;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.sr_exit_time_us = sr_exit_time_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.wm_type = WATERMARKS_DUMMY_PSTATE;
@ -137,6 +137,14 @@ static noinline void dcn3_build_wm_range_table(struct clk_mgr_internal *clk_mgr)
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_dcfclk = 0xFFFF;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_uclk = min_uclk_mhz;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_uclk = 0xFFFF;
clk_mgr->base.bw_params->dummy_pstate_table[0].dram_speed_mts = 1600;
clk_mgr->base.bw_params->dummy_pstate_table[0].dummy_pstate_latency_us = 38;
clk_mgr->base.bw_params->dummy_pstate_table[1].dram_speed_mts = 8000;
clk_mgr->base.bw_params->dummy_pstate_table[1].dummy_pstate_latency_us = 9;
clk_mgr->base.bw_params->dummy_pstate_table[2].dram_speed_mts = 10000;
clk_mgr->base.bw_params->dummy_pstate_table[2].dummy_pstate_latency_us = 8;
clk_mgr->base.bw_params->dummy_pstate_table[3].dram_speed_mts = 16000;
clk_mgr->base.bw_params->dummy_pstate_table[3].dummy_pstate_latency_us = 5;
/* Set D - MALL - SR enter and exit times adjusted for MALL */
clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].valid = true;
@ -517,6 +525,8 @@ static void dcn30_notify_link_rate_change(struct clk_mgr *clk_mgr_base, struct d
if (!clk_mgr->smu_present)
return;
/* TODO - DP2.0 HW: calculate link 128b/132 link rate in clock manager with new formula */
clk_mgr->cur_phyclk_req_table[link->link_index] = link->cur_link_settings.link_rate * LINK_RATE_REF_FREQ_IN_KHZ;
for (i = 0; i < MAX_PIPES * 2; i++) {
@ -620,7 +630,8 @@ void dcn3_clk_mgr_construct(
void dcn3_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr)
{
kfree(clk_mgr->base.bw_params);
if (clk_mgr->base.bw_params)
kfree(clk_mgr->base.bw_params);
if (clk_mgr->wm_range_table)
dm_helpers_free_gpu_mem(clk_mgr->base.ctx, DC_MEM_ALLOC_TYPE_GART,

60
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.h
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@ -26,6 +26,66 @@
#ifndef __DCN30_CLK_MGR_H__
#define __DCN30_CLK_MGR_H__
//CLK1_CLK_PLL_REQ
#ifndef CLK11_CLK1_CLK_PLL_REQ__FbMult_int__SHIFT
#define CLK11_CLK1_CLK_PLL_REQ__FbMult_int__SHIFT 0x0
#define CLK11_CLK1_CLK_PLL_REQ__PllSpineDiv__SHIFT 0xc
#define CLK11_CLK1_CLK_PLL_REQ__FbMult_frac__SHIFT 0x10
#define CLK11_CLK1_CLK_PLL_REQ__FbMult_int_MASK 0x000001FFL
#define CLK11_CLK1_CLK_PLL_REQ__PllSpineDiv_MASK 0x0000F000L
#define CLK11_CLK1_CLK_PLL_REQ__FbMult_frac_MASK 0xFFFF0000L
//CLK1_CLK0_DFS_CNTL
#define CLK11_CLK1_CLK0_DFS_CNTL__CLK0_DIVIDER__SHIFT 0x0
#define CLK11_CLK1_CLK0_DFS_CNTL__CLK0_DIVIDER_MASK 0x0000007FL
/*DPREF clock related*/
#define CLK0_CLK3_DFS_CNTL__CLK3_DIVIDER__SHIFT 0x0
#define CLK0_CLK3_DFS_CNTL__CLK3_DIVIDER_MASK 0x0000007FL
#define CLK1_CLK3_DFS_CNTL__CLK3_DIVIDER__SHIFT 0x0
#define CLK1_CLK3_DFS_CNTL__CLK3_DIVIDER_MASK 0x0000007FL
#define CLK2_CLK3_DFS_CNTL__CLK3_DIVIDER__SHIFT 0x0
#define CLK2_CLK3_DFS_CNTL__CLK3_DIVIDER_MASK 0x0000007FL
#define CLK3_CLK3_DFS_CNTL__CLK3_DIVIDER__SHIFT 0x0
#define CLK3_CLK3_DFS_CNTL__CLK3_DIVIDER_MASK 0x0000007FL
//CLK3_0_CLK3_CLK_PLL_REQ
#define CLK3_0_CLK3_CLK_PLL_REQ__FbMult_int__SHIFT 0x0
#define CLK3_0_CLK3_CLK_PLL_REQ__PllSpineDiv__SHIFT 0xc
#define CLK3_0_CLK3_CLK_PLL_REQ__FbMult_frac__SHIFT 0x10
#define CLK3_0_CLK3_CLK_PLL_REQ__FbMult_int_MASK 0x000001FFL
#define CLK3_0_CLK3_CLK_PLL_REQ__PllSpineDiv_MASK 0x0000F000L
#define CLK3_0_CLK3_CLK_PLL_REQ__FbMult_frac_MASK 0xFFFF0000L
#define mmCLK0_CLK2_DFS_CNTL 0x16C55
#define mmCLK00_CLK0_CLK2_DFS_CNTL 0x16C55
#define mmCLK01_CLK0_CLK2_DFS_CNTL 0x16E55
#define mmCLK02_CLK0_CLK2_DFS_CNTL 0x17055
#define mmCLK0_CLK3_DFS_CNTL 0x16C60
#define mmCLK00_CLK0_CLK3_DFS_CNTL 0x16C60
#define mmCLK01_CLK0_CLK3_DFS_CNTL 0x16E60
#define mmCLK02_CLK0_CLK3_DFS_CNTL 0x17060
#define mmCLK03_CLK0_CLK3_DFS_CNTL 0x17260
#define mmCLK0_CLK_PLL_REQ 0x16C10
#define mmCLK00_CLK0_CLK_PLL_REQ 0x16C10
#define mmCLK01_CLK0_CLK_PLL_REQ 0x16E10
#define mmCLK02_CLK0_CLK_PLL_REQ 0x17010
#define mmCLK03_CLK0_CLK_PLL_REQ 0x17210
#define mmCLK1_CLK_PLL_REQ 0x1B00D
#define mmCLK10_CLK1_CLK_PLL_REQ 0x1B00D
#define mmCLK11_CLK1_CLK_PLL_REQ 0x1B20D
#define mmCLK12_CLK1_CLK_PLL_REQ 0x1B40D
#define mmCLK13_CLK1_CLK_PLL_REQ 0x1B60D
#define mmCLK2_CLK_PLL_REQ 0x17E0D
/*AMCLK*/
#define mmCLK11_CLK1_CLK0_DFS_CNTL 0x1B23F
#define mmCLK11_CLK1_CLK_PLL_REQ 0x1B20D
#endif
void dcn3_init_clocks(struct clk_mgr *clk_mgr_base);
void dcn3_clk_mgr_construct(struct dc_context *ctx,

65
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dalsmc.h Normal file
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@ -0,0 +1,65 @@
/* SPDX-License-Identifier: MIT */
/*
* Copyright 2022 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#ifndef DALSMC_H
#define DALSMC_H
#define DALSMC_VERSION 0x1
// SMU Response Codes:
#define DALSMC_Result_OK 0x1
#define DALSMC_Result_Failed 0xFF
#define DALSMC_Result_UnknownCmd 0xFE
#define DALSMC_Result_CmdRejectedPrereq 0xFD
#define DALSMC_Result_CmdRejectedBusy 0xFC
// Message Definitions:
#define DALSMC_MSG_TestMessage 0x1
#define DALSMC_MSG_GetSmuVersion 0x2
#define DALSMC_MSG_GetDriverIfVersion 0x3
#define DALSMC_MSG_GetMsgHeaderVersion 0x4
#define DALSMC_MSG_SetDalDramAddrHigh 0x5
#define DALSMC_MSG_SetDalDramAddrLow 0x6
#define DALSMC_MSG_TransferTableSmu2Dram 0x7
#define DALSMC_MSG_TransferTableDram2Smu 0x8
#define DALSMC_MSG_SetHardMinByFreq 0x9
#define DALSMC_MSG_SetHardMaxByFreq 0xA
#define DALSMC_MSG_GetDpmFreqByIndex 0xB
#define DALSMC_MSG_GetDcModeMaxDpmFreq 0xC
#define DALSMC_MSG_SetMinDeepSleepDcfclk 0xD
#define DALSMC_MSG_NumOfDisplays 0xE
#define DALSMC_MSG_SetExternalClientDfCstateAllow 0xF
#define DALSMC_MSG_BacoAudioD3PME 0x10
#define DALSMC_MSG_SetFclkSwitchAllow 0x11
#define DALSMC_MSG_SetCabForUclkPstate 0x12
#define DALSMC_MSG_SetWorstCaseUclkLatency 0x13
#define DALSMC_Message_Count 0x14
typedef enum {
FCLK_SWITCH_DISALLOW,
FCLK_SWITCH_ALLOW,
} FclkSwitchAllow_e;
#endif

628
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c Normal file
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@ -0,0 +1,628 @@
/*
* Copyright 2021 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#include "dccg.h"
#include "clk_mgr_internal.h"
#include "dcn32/dcn32_clk_mgr_smu_msg.h"
#include "dcn20/dcn20_clk_mgr.h"
#include "dce100/dce_clk_mgr.h"
#include "reg_helper.h"
#include "core_types.h"
#include "dm_helpers.h"
#include "atomfirmware.h"
#include "smu13_driver_if.h"
#include "dcn/dcn_3_2_0_offset.h"
#include "dcn/dcn_3_2_0_sh_mask.h"
#include "dcn32/dcn32_clk_mgr.h"
#define DCN_BASE__INST0_SEG1 0x000000C0
#define mmCLK1_CLK_PLL_REQ 0x16E37
#define mmCLK1_CLK0_DFS_CNTL 0x16E69
#define mmCLK1_CLK1_DFS_CNTL 0x16E6C
#define mmCLK1_CLK2_DFS_CNTL 0x16E6F
#define mmCLK1_CLK3_DFS_CNTL 0x16E72
#define mmCLK1_CLK4_DFS_CNTL 0x16E75
#define CLK1_CLK_PLL_REQ__FbMult_int_MASK 0x000001ffUL
#define CLK1_CLK_PLL_REQ__PllSpineDiv_MASK 0x0000f000UL
#define CLK1_CLK_PLL_REQ__FbMult_frac_MASK 0xffff0000UL
#define CLK1_CLK_PLL_REQ__FbMult_int__SHIFT 0x00000000
#define CLK1_CLK_PLL_REQ__PllSpineDiv__SHIFT 0x0000000c
#define CLK1_CLK_PLL_REQ__FbMult_frac__SHIFT 0x00000010
#define mmCLK01_CLK0_CLK_PLL_REQ 0x16E37
#define mmCLK01_CLK0_CLK0_DFS_CNTL 0x16E64
#define mmCLK01_CLK0_CLK1_DFS_CNTL 0x16E67
#define mmCLK01_CLK0_CLK2_DFS_CNTL 0x16E6A
#define mmCLK01_CLK0_CLK3_DFS_CNTL 0x16E6D
#define mmCLK01_CLK0_CLK4_DFS_CNTL 0x16E70
#define CLK0_CLK_PLL_REQ__FbMult_int_MASK 0x000001ffL
#define CLK0_CLK_PLL_REQ__PllSpineDiv_MASK 0x0000f000L
#define CLK0_CLK_PLL_REQ__FbMult_frac_MASK 0xffff0000L
#define CLK0_CLK_PLL_REQ__FbMult_int__SHIFT 0x00000000
#define CLK0_CLK_PLL_REQ__PllSpineDiv__SHIFT 0x0000000c
#define CLK0_CLK_PLL_REQ__FbMult_frac__SHIFT 0x00000010
#undef FN
#define FN(reg_name, field_name) \
clk_mgr->clk_mgr_shift->field_name, clk_mgr->clk_mgr_mask->field_name
#define REG(reg) \
(clk_mgr->regs->reg)
#define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg
#define BASE(seg) BASE_INNER(seg)
#define SR(reg_name)\
.reg_name = BASE(reg ## reg_name ## _BASE_IDX) + \
reg ## reg_name
#define CLK_SR_DCN32(reg_name)\
.reg_name = mm ## reg_name
static const struct clk_mgr_registers clk_mgr_regs_dcn32 = {
CLK_REG_LIST_DCN32()
};
static const struct clk_mgr_shift clk_mgr_shift_dcn32 = {
CLK_COMMON_MASK_SH_LIST_DCN32(__SHIFT)
};
static const struct clk_mgr_mask clk_mgr_mask_dcn32 = {
CLK_COMMON_MASK_SH_LIST_DCN32(_MASK)
};
#define CLK_SR_DCN321(reg_name, block, inst)\
.reg_name = mm ## block ## _ ## reg_name
static const struct clk_mgr_registers clk_mgr_regs_dcn321 = {
CLK_REG_LIST_DCN321()
};
static const struct clk_mgr_shift clk_mgr_shift_dcn321 = {
CLK_COMMON_MASK_SH_LIST_DCN321(__SHIFT)
};
static const struct clk_mgr_mask clk_mgr_mask_dcn321 = {
CLK_COMMON_MASK_SH_LIST_DCN321(_MASK)
};
/* Query SMU for all clock states for a particular clock */
static void dcn32_init_single_clock(struct clk_mgr_internal *clk_mgr, PPCLK_e clk, unsigned int *entry_0,
unsigned int *num_levels)
{
unsigned int i;
char *entry_i = (char *)entry_0;
uint32_t ret = dcn30_smu_get_dpm_freq_by_index(clk_mgr, clk, 0xFF);
if (ret & (1 << 31))
/* fine-grained, only min and max */
*num_levels = 2;
else
/* discrete, a number of fixed states */
/* will set num_levels to 0 on failure */
*num_levels = ret & 0xFF;
/* if the initial message failed, num_levels will be 0 */
for (i = 0; i < *num_levels; i++) {
*((unsigned int *)entry_i) = (dcn30_smu_get_dpm_freq_by_index(clk_mgr, clk, i) & 0xFFFF);
entry_i += sizeof(clk_mgr->base.bw_params->clk_table.entries[0]);
}
}
static void dcn32_build_wm_range_table(struct clk_mgr_internal *clk_mgr)
{
/* defaults */
double pstate_latency_us = clk_mgr->base.ctx->dc->dml.soc.dram_clock_change_latency_us;
double fclk_change_latency_us = clk_mgr->base.ctx->dc->dml.soc.fclk_change_latency_us;
double sr_exit_time_us = clk_mgr->base.ctx->dc->dml.soc.sr_exit_time_us;
double sr_enter_plus_exit_time_us = clk_mgr->base.ctx->dc->dml.soc.sr_enter_plus_exit_time_us;
/* For min clocks use as reported by PM FW and report those as min */
uint16_t min_uclk_mhz = clk_mgr->base.bw_params->clk_table.entries[0].memclk_mhz;
uint16_t min_dcfclk_mhz = clk_mgr->base.bw_params->clk_table.entries[0].dcfclk_mhz;
uint16_t setb_min_uclk_mhz = min_uclk_mhz;
uint16_t setb_min_dcfclk_mhz = min_dcfclk_mhz;
/* For Set B ranges use min clocks state 2 when available, and report those to PM FW */
if (clk_mgr->base.ctx->dc->dml.soc.clock_limits[2].dcfclk_mhz)
setb_min_dcfclk_mhz = clk_mgr->base.ctx->dc->dml.soc.clock_limits[2].dcfclk_mhz;
if (clk_mgr->base.bw_params->clk_table.entries[2].memclk_mhz)
setb_min_uclk_mhz = clk_mgr->base.bw_params->clk_table.entries[2].memclk_mhz;
/* Set A - Normal - default values */
clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].valid = true;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us = pstate_latency_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].dml_input.fclk_change_latency_us = fclk_change_latency_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].dml_input.sr_exit_time_us = sr_exit_time_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_dcfclk = min_dcfclk_mhz;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_dcfclk = 0xFFFF;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_uclk = min_uclk_mhz;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_uclk = 0xFFFF;
/* Set B - Performance - higher clocks, using DPM[2] DCFCLK and UCLK */
clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].valid = true;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].dml_input.pstate_latency_us = pstate_latency_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].dml_input.fclk_change_latency_us = fclk_change_latency_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].dml_input.sr_exit_time_us = sr_exit_time_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_dcfclk = setb_min_dcfclk_mhz;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.max_dcfclk = 0xFFFF;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_uclk = setb_min_uclk_mhz;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.max_uclk = 0xFFFF;
/* Set C - Dummy P-State - P-State latency set to "dummy p-state" value */
/* 'DalDummyClockChangeLatencyNs' registry key option set to 0x7FFFFFFF can be used to disable Set C for dummy p-state */
if (clk_mgr->base.ctx->dc->bb_overrides.dummy_clock_change_latency_ns != 0x7FFFFFFF) {
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].valid = true;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.pstate_latency_us = 38;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.fclk_change_latency_us = fclk_change_latency_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.sr_exit_time_us = sr_exit_time_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.wm_type = WATERMARKS_DUMMY_PSTATE;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_dcfclk = min_dcfclk_mhz;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_dcfclk = 0xFFFF;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_uclk = min_uclk_mhz;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_uclk = 0xFFFF;
clk_mgr->base.bw_params->dummy_pstate_table[0].dram_speed_mts = clk_mgr->base.bw_params->clk_table.entries[0].memclk_mhz * 16;
clk_mgr->base.bw_params->dummy_pstate_table[0].dummy_pstate_latency_us = 38;
clk_mgr->base.bw_params->dummy_pstate_table[1].dram_speed_mts = clk_mgr->base.bw_params->clk_table.entries[1].memclk_mhz * 16;
clk_mgr->base.bw_params->dummy_pstate_table[1].dummy_pstate_latency_us = 9;
clk_mgr->base.bw_params->dummy_pstate_table[2].dram_speed_mts = clk_mgr->base.bw_params->clk_table.entries[2].memclk_mhz * 16;
clk_mgr->base.bw_params->dummy_pstate_table[2].dummy_pstate_latency_us = 8;
clk_mgr->base.bw_params->dummy_pstate_table[3].dram_speed_mts = clk_mgr->base.bw_params->clk_table.entries[3].memclk_mhz * 16;
clk_mgr->base.bw_params->dummy_pstate_table[3].dummy_pstate_latency_us = 5;
}
/* Set D - MALL - SR enter and exit time specific to MALL, TBD after bringup or later phase for now use DRAM values / 2 */
/* For MALL DRAM clock change latency is N/A, for watermak calculations use lowest value dummy P state latency */
clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].valid = true;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].dml_input.pstate_latency_us = clk_mgr->base.bw_params->dummy_pstate_table[3].dummy_pstate_latency_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].dml_input.fclk_change_latency_us = fclk_change_latency_us;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].dml_input.sr_exit_time_us = sr_exit_time_us / 2; // TBD
clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us / 2; // TBD
clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.wm_type = WATERMARKS_MALL;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.min_dcfclk = min_dcfclk_mhz;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.max_dcfclk = 0xFFFF;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.min_uclk = min_uclk_mhz;
clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.max_uclk = 0xFFFF;
}
void dcn32_init_clocks(struct clk_mgr *clk_mgr_base)
{
struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
unsigned int num_levels;
memset(&(clk_mgr_base->clks), 0, sizeof(struct dc_clocks));
clk_mgr_base->clks.p_state_change_support = true;
clk_mgr_base->clks.prev_p_state_change_support = true;
clk_mgr_base->clks.fclk_prev_p_state_change_support = true;
clk_mgr->smu_present = false;
if (!clk_mgr_base->bw_params)
return;
if (!clk_mgr_base->force_smu_not_present && dcn30_smu_get_smu_version(clk_mgr, &clk_mgr->smu_ver))
clk_mgr->smu_present = true;
if (!clk_mgr->smu_present)
return;
dcn30_smu_check_driver_if_version(clk_mgr);
dcn30_smu_check_msg_header_version(clk_mgr);
/* DCFCLK */
dcn32_init_single_clock(clk_mgr, PPCLK_DCFCLK,
&clk_mgr_base->bw_params->clk_table.entries[0].dcfclk_mhz,
&num_levels);
/* SOCCLK */
dcn32_init_single_clock(clk_mgr, PPCLK_SOCCLK,
&clk_mgr_base->bw_params->clk_table.entries[0].socclk_mhz,
&num_levels);
/* DTBCLK */
dcn32_init_single_clock(clk_mgr, PPCLK_DTBCLK,
&clk_mgr_base->bw_params->clk_table.entries[0].dtbclk_mhz,
&num_levels);
/* DISPCLK */
dcn32_init_single_clock(clk_mgr, PPCLK_DISPCLK,
&clk_mgr_base->bw_params->clk_table.entries[0].dispclk_mhz,
&num_levels);
/* Get UCLK, update bounding box */
clk_mgr_base->funcs->get_memclk_states_from_smu(clk_mgr_base);
/* WM range table */
dcn32_build_wm_range_table(clk_mgr);
}
static void dcn32_update_clocks(struct clk_mgr *clk_mgr_base,
struct dc_state *context,
bool safe_to_lower)
{
struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk;
struct dc *dc = clk_mgr_base->ctx->dc;
int display_count;
bool update_dppclk = false;
bool update_dispclk = false;
bool enter_display_off = false;
bool dpp_clock_lowered = false;
struct dmcu *dmcu = clk_mgr_base->ctx->dc->res_pool->dmcu;
bool force_reset = false;
bool update_uclk = false;
bool p_state_change_support;
bool fclk_p_state_change_support;
int total_plane_count;
if (dc->work_arounds.skip_clock_update)
return;
if (clk_mgr_base->clks.dispclk_khz == 0 ||
(dc->debug.force_clock_mode & 0x1)) {
/* This is from resume or boot up, if forced_clock cfg option used,
* we bypass program dispclk and DPPCLK, but need set them for S3.
*/
force_reset = true;
dcn2_read_clocks_from_hw_dentist(clk_mgr_base);
/* Force_clock_mode 0x1: force reset the clock even it is the same clock
* as long as it is in Passive level.
*/
}
display_count = clk_mgr_helper_get_active_display_cnt(dc, context);
if (display_count == 0)
enter_display_off = true;
if (enter_display_off == safe_to_lower)
dcn30_smu_set_num_of_displays(clk_mgr, display_count);
if (dc->debug.force_min_dcfclk_mhz > 0)
new_clocks->dcfclk_khz = (new_clocks->dcfclk_khz > (dc->debug.force_min_dcfclk_mhz * 1000)) ?
new_clocks->dcfclk_khz : (dc->debug.force_min_dcfclk_mhz * 1000);
if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr_base->clks.dcfclk_khz)) {
clk_mgr_base->clks.dcfclk_khz = new_clocks->dcfclk_khz;
dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DCFCLK, khz_to_mhz_ceil(clk_mgr_base->clks.dcfclk_khz));
}
if (should_set_clock(safe_to_lower, new_clocks->dcfclk_deep_sleep_khz, clk_mgr_base->clks.dcfclk_deep_sleep_khz)) {
clk_mgr_base->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz;
dcn30_smu_set_min_deep_sleep_dcef_clk(clk_mgr, khz_to_mhz_ceil(clk_mgr_base->clks.dcfclk_deep_sleep_khz));
}
if (should_set_clock(safe_to_lower, new_clocks->socclk_khz, clk_mgr_base->clks.socclk_khz))
/* We don't actually care about socclk, don't notify SMU of hard min */
clk_mgr_base->clks.socclk_khz = new_clocks->socclk_khz;
clk_mgr_base->clks.prev_p_state_change_support = clk_mgr_base->clks.p_state_change_support;
clk_mgr_base->clks.fclk_prev_p_state_change_support = clk_mgr_base->clks.fclk_p_state_change_support;
total_plane_count = clk_mgr_helper_get_active_plane_cnt(dc, context);
p_state_change_support = new_clocks->p_state_change_support || (total_plane_count == 0);
fclk_p_state_change_support = new_clocks->fclk_p_state_change_support || (total_plane_count == 0);
if (should_update_pstate_support(safe_to_lower, p_state_change_support, clk_mgr_base->clks.p_state_change_support)) {
clk_mgr_base->clks.p_state_change_support = p_state_change_support;
/* to disable P-State switching, set UCLK min = max */
if (!clk_mgr_base->clks.p_state_change_support)
dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK,
clk_mgr_base->bw_params->clk_table.entries[clk_mgr_base->bw_params->clk_table.num_entries - 1].memclk_mhz);
}
if (should_update_pstate_support(safe_to_lower, fclk_p_state_change_support, clk_mgr_base->clks.fclk_p_state_change_support)) {
clk_mgr_base->clks.fclk_p_state_change_support = fclk_p_state_change_support;
/* To disable FCLK P-state switching, send FCLK_PSTATE_NOTSUPPORTED message to PMFW */
if (!clk_mgr_base->clks.fclk_p_state_change_support) {
/* Handle code for sending a message to PMFW that FCLK P-state change is not supported */
dcn32_smu_send_fclk_pstate_message(clk_mgr, FCLK_PSTATE_NOTSUPPORTED);
}
}
/* Always update saved value, even if new value not set due to P-State switching unsupported */
if (should_set_clock(safe_to_lower, new_clocks->dramclk_khz, clk_mgr_base->clks.dramclk_khz)) {
clk_mgr_base->clks.dramclk_khz = new_clocks->dramclk_khz;
update_uclk = true;
}
/* set UCLK to requested value if P-State switching is supported, or to re-enable P-State switching */
if (clk_mgr_base->clks.p_state_change_support &&
(update_uclk || !clk_mgr_base->clks.prev_p_state_change_support))
dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK, khz_to_mhz_ceil(clk_mgr_base->clks.dramclk_khz));
if (clk_mgr_base->clks.fclk_p_state_change_support &&
(update_uclk || !clk_mgr_base->clks.fclk_prev_p_state_change_support)) {
/* Handle the code for sending a message to PMFW that FCLK P-state change is supported */
dcn32_smu_send_fclk_pstate_message(clk_mgr, FCLK_PSTATE_SUPPORTED);
}
if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr_base->clks.dppclk_khz)) {
if (clk_mgr_base->clks.dppclk_khz > new_clocks->dppclk_khz)
dpp_clock_lowered = true;
clk_mgr_base->clks.dppclk_khz = new_clocks->dppclk_khz;
dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DPPCLK, khz_to_mhz_ceil(clk_mgr_base->clks.dppclk_khz));
update_dppclk = true;
}
if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) {
clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz;
dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DISPCLK, khz_to_mhz_ceil(clk_mgr_base->clks.dispclk_khz));
update_dispclk = true;
}
if (dc->config.forced_clocks == false || (force_reset && safe_to_lower)) {
if (dpp_clock_lowered) {
/* if clock is being lowered, increase DTO before lowering refclk */
dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower);
dcn20_update_clocks_update_dentist(clk_mgr, context);
} else {
/* if clock is being raised, increase refclk before lowering DTO */
if (update_dppclk || update_dispclk)
dcn20_update_clocks_update_dentist(clk_mgr, context);
/* There is a check inside dcn20_update_clocks_update_dpp_dto which ensures
* that we do not lower dto when it is not safe to lower. We do not need to
* compare the current and new dppclk before calling this function.
*/
dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower);
}
}
if (update_dispclk && dmcu && dmcu->funcs->is_dmcu_initialized(dmcu))
/*update dmcu for wait_loop count*/
dmcu->funcs->set_psr_wait_loop(dmcu,
clk_mgr_base->clks.dispclk_khz / 1000 / 7);
}
void dcn32_clock_read_ss_info(struct clk_mgr_internal *clk_mgr)
{
struct dc_bios *bp = clk_mgr->base.ctx->dc_bios;
int ss_info_num = bp->funcs->get_ss_entry_number(
bp, AS_SIGNAL_TYPE_GPU_PLL);
if (ss_info_num) {
struct spread_spectrum_info info = { { 0 } };
enum bp_result result = bp->funcs->get_spread_spectrum_info(
bp, AS_SIGNAL_TYPE_GPU_PLL, 0, &info);
/* SSInfo.spreadSpectrumPercentage !=0 would be sign
* that SS is enabled
*/
if (result == BP_RESULT_OK &&
info.spread_spectrum_percentage != 0) {
clk_mgr->ss_on_dprefclk = true;
clk_mgr->dprefclk_ss_divider = info.spread_percentage_divider;
if (info.type.CENTER_MODE == 0) {
/* Currently for DP Reference clock we
* need only SS percentage for
* downspread
*/
clk_mgr->dprefclk_ss_percentage =
info.spread_spectrum_percentage;
}
}
}
}
static void dcn32_notify_wm_ranges(struct clk_mgr *clk_mgr_base)
{
struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
WatermarksExternal_t *table = (WatermarksExternal_t *) clk_mgr->wm_range_table;
if (!clk_mgr->smu_present)
return;
if (!table)
return;
memset(table, 0, sizeof(*table));
dcn30_smu_set_dram_addr_high(clk_mgr, clk_mgr->wm_range_table_addr >> 32);
dcn30_smu_set_dram_addr_low(clk_mgr, clk_mgr->wm_range_table_addr & 0xFFFFFFFF);
dcn32_smu_transfer_wm_table_dram_2_smu(clk_mgr);
}
/* Set min memclk to minimum, either constrained by the current mode or DPM0 */
static void dcn32_set_hard_min_memclk(struct clk_mgr *clk_mgr_base, bool current_mode)
{
struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
if (!clk_mgr->smu_present)
return;
if (current_mode) {
if (clk_mgr_base->clks.p_state_change_support)
dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK,
khz_to_mhz_ceil(clk_mgr_base->clks.dramclk_khz));
else
dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK,
clk_mgr_base->bw_params->clk_table.entries[clk_mgr_base->bw_params->clk_table.num_entries - 1].memclk_mhz);
} else {
dcn30_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK,
clk_mgr_base->bw_params->clk_table.entries[0].memclk_mhz);
}
}
/* Set max memclk to highest DPM value */
static void dcn32_set_hard_max_memclk(struct clk_mgr *clk_mgr_base)
{
struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
if (!clk_mgr->smu_present)
return;
dcn30_smu_set_hard_max_by_freq(clk_mgr, PPCLK_UCLK,
clk_mgr_base->bw_params->clk_table.entries[clk_mgr_base->bw_params->clk_table.num_entries - 1].memclk_mhz);
}
/* Get current memclk states, update bounding box */
static void dcn32_get_memclk_states_from_smu(struct clk_mgr *clk_mgr_base)
{
struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
unsigned int num_levels;
if (!clk_mgr->smu_present)
return;
/* Refresh memclk states */
dcn32_init_single_clock(clk_mgr, PPCLK_UCLK,
&clk_mgr_base->bw_params->clk_table.entries[0].memclk_mhz,
&num_levels);
clk_mgr_base->bw_params->clk_table.num_entries = num_levels ? num_levels : 1;
/* Refresh bounding box */
clk_mgr_base->ctx->dc->res_pool->funcs->update_bw_bounding_box(
clk_mgr->base.ctx->dc, clk_mgr_base->bw_params);
}
static bool dcn32_are_clock_states_equal(struct dc_clocks *a,
struct dc_clocks *b)
{
if (a->dispclk_khz != b->dispclk_khz)
return false;
else if (a->dppclk_khz != b->dppclk_khz)
return false;
else if (a->dcfclk_khz != b->dcfclk_khz)
return false;
else if (a->dcfclk_deep_sleep_khz != b->dcfclk_deep_sleep_khz)
return false;
else if (a->dramclk_khz != b->dramclk_khz)
return false;
else if (a->p_state_change_support != b->p_state_change_support)
return false;
else if (a->fclk_p_state_change_support != b->fclk_p_state_change_support)
return false;
return true;
}
static void dcn32_enable_pme_wa(struct clk_mgr *clk_mgr_base)
{
struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
if (!clk_mgr->smu_present)
return;
dcn30_smu_set_pme_workaround(clk_mgr);
}
static bool dcn32_is_smu_present(struct clk_mgr *clk_mgr_base)
{
struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
return clk_mgr->smu_present;
}
static struct clk_mgr_funcs dcn32_funcs = {
.get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz,
.update_clocks = dcn32_update_clocks,
.init_clocks = dcn32_init_clocks,
.notify_wm_ranges = dcn32_notify_wm_ranges,
.set_hard_min_memclk = dcn32_set_hard_min_memclk,
.set_hard_max_memclk = dcn32_set_hard_max_memclk,
.get_memclk_states_from_smu = dcn32_get_memclk_states_from_smu,
.are_clock_states_equal = dcn32_are_clock_states_equal,
.enable_pme_wa = dcn32_enable_pme_wa,
.is_smu_present = dcn32_is_smu_present,
};
void dcn32_clk_mgr_construct(
struct dc_context *ctx,
struct clk_mgr_internal *clk_mgr,
struct pp_smu_funcs *pp_smu,
struct dccg *dccg)
{
clk_mgr->base.ctx = ctx;
clk_mgr->base.funcs = &dcn32_funcs;
if (ASICREV_IS_GC_11_0_2(clk_mgr->base.ctx->asic_id.hw_internal_rev)) {
clk_mgr->regs = &clk_mgr_regs_dcn321;
clk_mgr->clk_mgr_shift = &clk_mgr_shift_dcn321;
clk_mgr->clk_mgr_mask = &clk_mgr_mask_dcn321;
} else {
clk_mgr->regs = &clk_mgr_regs_dcn32;
clk_mgr->clk_mgr_shift = &clk_mgr_shift_dcn32;
clk_mgr->clk_mgr_mask = &clk_mgr_mask_dcn32;
}
clk_mgr->dccg = dccg;
clk_mgr->dfs_bypass_disp_clk = 0;
clk_mgr->dprefclk_ss_percentage = 0;
clk_mgr->dprefclk_ss_divider = 1000;
clk_mgr->ss_on_dprefclk = false;
clk_mgr->dfs_ref_freq_khz = 100000;
clk_mgr->base.dprefclk_khz = 717000; /* Changed as per DCN3.2_clock_frequency doc */
clk_mgr->dccg->ref_dtbclk_khz = 477800;
/* integer part is now VCO frequency in kHz */
clk_mgr->base.dentist_vco_freq_khz = 4300000;//dcn32_get_vco_frequency_from_reg(clk_mgr);
/* in case we don't get a value from the register, use default */
if (clk_mgr->base.dentist_vco_freq_khz == 0)
clk_mgr->base.dentist_vco_freq_khz = 4300000; /* Updated as per HW docs */
if (clk_mgr->base.boot_snapshot.dprefclk != 0) {
//ASSERT(clk_mgr->base.dprefclk_khz == clk_mgr->base.boot_snapshot.dprefclk);
//clk_mgr->base.dprefclk_khz = clk_mgr->base.boot_snapshot.dprefclk;
}
dcn32_clock_read_ss_info(clk_mgr);
clk_mgr->dfs_bypass_enabled = false;
clk_mgr->smu_present = false;
clk_mgr->base.bw_params = kzalloc(sizeof(*clk_mgr->base.bw_params), GFP_KERNEL);
/* need physical address of table to give to PMFW */
clk_mgr->wm_range_table = dm_helpers_allocate_gpu_mem(clk_mgr->base.ctx,
DC_MEM_ALLOC_TYPE_GART, sizeof(WatermarksExternal_t),
&clk_mgr->wm_range_table_addr);
}
void dcn32_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr)
{
if (clk_mgr->base.bw_params)
kfree(clk_mgr->base.bw_params);
if (clk_mgr->wm_range_table)
dm_helpers_free_gpu_mem(clk_mgr->base.ctx, DC_MEM_ALLOC_TYPE_GART,
clk_mgr->wm_range_table);
}

39
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.h Normal file
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@ -0,0 +1,39 @@
/*
* Copyright 2021 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#ifndef __DCN32_CLK_MGR_H_
#define __DCN32_CLK_MGR_H_
void dcn32_init_clocks(struct clk_mgr *clk_mgr_base);
void dcn32_clk_mgr_construct(struct dc_context *ctx,
struct clk_mgr_internal *clk_mgr,
struct pp_smu_funcs *pp_smu,
struct dccg *dccg);
void dcn32_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr);
#endif /* __DCN32_CLK_MGR_H_ */

117
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr_smu_msg.c Normal file
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@ -0,0 +1,117 @@
/*
* Copyright 2021 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#include "dcn32_clk_mgr_smu_msg.h"
#include "clk_mgr_internal.h"
#include "reg_helper.h"
#define mmDAL_MSG_REG 0x1628A
#define mmDAL_ARG_REG 0x16273
#define mmDAL_RESP_REG 0x16274
#define DALSMC_MSG_TransferTableDram2Smu 0x8
#define REG(reg_name) \
mm ## reg_name
#include "logger_types.h"
#include "dalsmc.h"
#include "smu13_driver_if.h"
#define smu_print(str, ...) {DC_LOG_SMU(str, ##__VA_ARGS__); }
/*
* Function to be used instead of REG_WAIT macro because the wait ends when
* the register is NOT EQUAL to zero, and because the translation in msg_if.h
* won't work with REG_WAIT.
*/
static uint32_t dcn32_smu_wait_for_response(struct clk_mgr_internal *clk_mgr, unsigned int delay_us, unsigned int max_retries)
{
uint32_t reg = 0;
do {
reg = REG_READ(DAL_RESP_REG);
if (reg)
break;
if (delay_us >= 1000)
msleep(delay_us/1000);
else if (delay_us > 0)
udelay(delay_us);
} while (max_retries--);
return reg;
}
static bool dcn32_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, uint32_t msg_id, uint32_t param_in, uint32_t *param_out)
{
/* Wait for response register to be ready */
dcn32_smu_wait_for_response(clk_mgr, 10, 200000);
/* Clear response register */
REG_WRITE(DAL_RESP_REG, 0);
/* Set the parameter register for the SMU message */
REG_WRITE(DAL_ARG_REG, param_in);
/* Trigger the message transaction by writing the message ID */
REG_WRITE(DAL_MSG_REG, msg_id);
/* Wait for response */
if (dcn32_smu_wait_for_response(clk_mgr, 10, 200000) == DALSMC_Result_OK) {
if (param_out)
*param_out = REG_READ(DAL_ARG_REG);
return true;
}
return false;
}
void dcn32_smu_send_fclk_pstate_message(struct clk_mgr_internal *clk_mgr, bool enable)
{
smu_print("FCLK P-state support value is : %d\n", enable);
dcn32_smu_send_msg_with_param(clk_mgr,
DALSMC_MSG_SetFclkSwitchAllow, enable ? FCLK_PSTATE_SUPPORTED : FCLK_PSTATE_NOTSUPPORTED, NULL);
}
void dcn32_smu_transfer_wm_table_dram_2_smu(struct clk_mgr_internal *clk_mgr)
{
smu_print("SMU Transfer WM table DRAM 2 SMU\n");
dcn32_smu_send_msg_with_param(clk_mgr,
DALSMC_MSG_TransferTableDram2Smu, TABLE_WATERMARKS, NULL);
}
void dcn32_smu_send_cab_for_uclk_message(struct clk_mgr_internal *clk_mgr, unsigned int num_ways)
{
smu_print("Numways for SubVP : %d\n", num_ways);
dcn32_smu_send_msg_with_param(clk_mgr, DALSMC_MSG_SetCabForUclkPstate, num_ways, NULL);
}

49
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr_smu_msg.h Normal file
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@ -0,0 +1,49 @@
/*
* Copyright 2021 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#ifndef __DCN32_CLK_MGR_SMU_MSG_H_
#define __DCN32_CLK_MGR_SMU_MSG_H_
#include "core_types.h"
#include "dcn30/dcn30_clk_mgr_smu_msg.h"
#define FCLK_PSTATE_NOTSUPPORTED 0x00
#define FCLK_PSTATE_SUPPORTED 0x01
/* TODO Remove this MSG ID define after it becomes available in dalsmc */
#define DALSMC_MSG_SetFclkSwitchAllow 0x11
#define DALSMC_MSG_SetCabForUclkPstate 0x12
#define DALSMC_Result_OK 0x1
void
dcn32_smu_send_fclk_pstate_message(struct clk_mgr_internal *clk_mgr,
bool enable);
void dcn32_smu_transfer_wm_table_dram_2_smu(struct clk_mgr_internal *clk_mgr);
void dcn32_smu_send_cab_for_uclk_message(struct clk_mgr_internal *clk_mgr, unsigned int num_ways);
#endif /* __DCN32_CLK_MGR_SMU_MSG_H_ */

108
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/smu13_driver_if.h Normal file
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@ -0,0 +1,108 @@
/*
* Copyright 2021 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#ifndef SMU13_DRIVER_IF_DCN32_H
#define SMU13_DRIVER_IF_DCN32_H
// *** IMPORTANT ***
// PMFW TEAM: Always increment the interface version on any change to this file
#define SMU13_DRIVER_IF_VERSION 0x18
//Only Clks that have DPM descriptors are listed here
typedef enum {
PPCLK_GFXCLK = 0,
PPCLK_SOCCLK,
PPCLK_UCLK,
PPCLK_FCLK,
PPCLK_DCLK_0,
PPCLK_VCLK_0,
PPCLK_DCLK_1,
PPCLK_VCLK_1,
PPCLK_DISPCLK,
PPCLK_DPPCLK,
PPCLK_DPREFCLK,
PPCLK_DCFCLK,
PPCLK_DTBCLK,
PPCLK_COUNT,
} PPCLK_e;
typedef enum {
UCLK_DIV_BY_1 = 0,
UCLK_DIV_BY_2,
UCLK_DIV_BY_4,
UCLK_DIV_BY_8,
} UCLK_DIV_e;
typedef struct {
uint8_t WmSetting;
uint8_t Flags;
uint8_t Padding[2];
} WatermarkRowGeneric_t;
#define NUM_WM_RANGES 4
typedef enum {
WATERMARKS_CLOCK_RANGE = 0,
WATERMARKS_DUMMY_PSTATE,
WATERMARKS_MALL,
WATERMARKS_COUNT,
} WATERMARKS_FLAGS_e;
typedef struct {
// Watermarks
WatermarkRowGeneric_t WatermarkRow[NUM_WM_RANGES];
} Watermarks_t;
typedef struct {
Watermarks_t Watermarks;
uint32_t Spare[16];
uint32_t MmHubPadding[8]; // SMU internal use
} WatermarksExternal_t;
// These defines are used with the following messages:
// SMC_MSG_TransferTableDram2Smu
// SMC_MSG_TransferTableSmu2Dram
// Table transfer status
#define TABLE_TRANSFER_OK 0x0
#define TABLE_TRANSFER_FAILED 0xFF
#define TABLE_TRANSFER_PENDING 0xAB
// Table types
#define TABLE_PMFW_PPTABLE 0
#define TABLE_COMBO_PPTABLE 1
#define TABLE_WATERMARKS 2
#define TABLE_AVFS_PSM_DEBUG 3
#define TABLE_PMSTATUSLOG 4
#define TABLE_SMU_METRICS 5
#define TABLE_DRIVER_SMU_CONFIG 6
#define TABLE_ACTIVITY_MONITOR_COEFF 7
#define TABLE_OVERDRIVE 8
#define TABLE_I2C_COMMANDS 9
#define TABLE_DRIVER_INFO 10
#define TABLE_COUNT 11
#endif

3
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
View File

@ -3975,6 +3975,9 @@ static bool decide_mst_link_settings(const struct dc_link *link, struct dc_link_
return true;
}
bool FORCE_RATE = false;
uint32_t FORCE_LANE_COUNT = 0;
void decide_link_settings(struct dc_stream_state *stream,
struct dc_link_settings *link_setting)
{

3
drivers/gpu/drm/amd/display/dc/dc.h
View File

@ -418,12 +418,15 @@ struct dc_clocks {
enum dcn_zstate_support_state zstate_support;
bool dtbclk_en;
int ref_dtbclk_khz;
int dtbclk_khz;
bool fclk_p_state_change_support;
enum dcn_pwr_state pwr_state;
/*
* Elements below are not compared for the purposes of
* optimization required
*/
bool prev_p_state_change_support;
bool fclk_prev_p_state_change_support;
enum dtm_pstate dtm_level;
int max_supported_dppclk_khz;
int max_supported_dispclk_khz;

2325
drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c Normal file
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File diff suppressed because it is too large Load Diff

2
drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h
View File

@ -125,6 +125,7 @@ struct nv_wm_range_entry {
double pstate_latency_us;
double sr_exit_time_us;
double sr_enter_plus_exit_time_us;
double fclk_change_latency_us;
} dml_input;
};
@ -142,6 +143,7 @@ struct clk_state_registers_and_bypass {
uint32_t dprefclk;
uint32_t dispclk;
uint32_t dppclk;
uint32_t dtbclk;
uint32_t dppclk_bypass;
uint32_t dcfclk_bypass;

45
drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr_internal.h
View File

@ -112,9 +112,10 @@ enum dentist_divider_range {
CLK_SRI(CLK3_CLK_PLL_REQ, CLK3, 0), \
CLK_SRI(CLK3_CLK2_DFS_CNTL, CLK3, 0)
// TODO:
#define CLK_REG_LIST_DCN3() \
SR(DENTIST_DISPCLK_CNTL)
CLK_COMMON_REG_LIST_DCN_BASE(), \
CLK_SRI(CLK0_CLK_PLL_REQ, CLK02, 0), \
CLK_SRI(CLK0_CLK2_DFS_CNTL, CLK02, 0)
#define CLK_SF(reg_name, field_name, post_fix)\
.field_name = reg_name ## __ ## field_name ## post_fix
@ -155,6 +156,34 @@ enum dentist_divider_range {
CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_CHG_DONE, mask_sh),\
CLK_SF(CLK4_0_CLK4_CLK_PLL_REQ, FbMult_int, mask_sh)
#define CLK_REG_LIST_DCN32() \
SR(DENTIST_DISPCLK_CNTL), \
CLK_SR_DCN32(CLK1_CLK_PLL_REQ), \
CLK_SR_DCN32(CLK1_CLK0_DFS_CNTL), \
CLK_SR_DCN32(CLK1_CLK1_DFS_CNTL), \
CLK_SR_DCN32(CLK1_CLK2_DFS_CNTL), \
CLK_SR_DCN32(CLK1_CLK3_DFS_CNTL), \
CLK_SR_DCN32(CLK1_CLK4_DFS_CNTL)
#define CLK_COMMON_MASK_SH_LIST_DCN32(mask_sh) \
CLK_COMMON_MASK_SH_LIST_DCN20_BASE(mask_sh),\
CLK_SF(CLK1_CLK_PLL_REQ, FbMult_int, mask_sh),\
CLK_SF(CLK1_CLK_PLL_REQ, FbMult_frac, mask_sh)
#define CLK_REG_LIST_DCN321() \
SR(DENTIST_DISPCLK_CNTL), \
CLK_SR_DCN321(CLK0_CLK_PLL_REQ, CLK01, 0), \
CLK_SR_DCN321(CLK0_CLK0_DFS_CNTL, CLK01, 0), \
CLK_SR_DCN321(CLK0_CLK1_DFS_CNTL, CLK01, 0), \
CLK_SR_DCN321(CLK0_CLK2_DFS_CNTL, CLK01, 0), \
CLK_SR_DCN321(CLK0_CLK3_DFS_CNTL, CLK01, 0), \
CLK_SR_DCN321(CLK0_CLK4_DFS_CNTL, CLK01, 0)
#define CLK_COMMON_MASK_SH_LIST_DCN321(mask_sh) \
CLK_COMMON_MASK_SH_LIST_DCN20_BASE(mask_sh),\
CLK_SF(CLK0_CLK_PLL_REQ, FbMult_int, mask_sh),\
CLK_SF(CLK0_CLK_PLL_REQ, FbMult_frac, mask_sh)
#define CLK_REG_FIELD_LIST(type) \
type DPREFCLK_SRC_SEL; \
type DENTIST_DPREFCLK_WDIVIDER; \
@ -199,6 +228,18 @@ struct clk_mgr_registers {
uint32_t CLK0_CLK2_DFS_CNTL;
uint32_t CLK0_CLK_PLL_REQ;
uint32_t CLK1_CLK_PLL_REQ;
uint32_t CLK1_CLK0_DFS_CNTL;
uint32_t CLK1_CLK1_DFS_CNTL;
uint32_t CLK1_CLK2_DFS_CNTL;
uint32_t CLK1_CLK3_DFS_CNTL;
uint32_t CLK1_CLK4_DFS_CNTL;
uint32_t CLK0_CLK0_DFS_CNTL;
uint32_t CLK0_CLK1_DFS_CNTL;
uint32_t CLK0_CLK3_DFS_CNTL;
uint32_t CLK0_CLK4_DFS_CNTL;
uint32_t MP1_SMN_C2PMSG_67;
uint32_t MP1_SMN_C2PMSG_83;
uint32_t MP1_SMN_C2PMSG_91;