/*
* Copyright 2015 Advanced Micro Devices , Inc .
*
* Permission is hereby granted , free of charge , to any person obtaining a
* copy of this software and associated documentation files ( the " Software " ) ,
* to deal in the Software without restriction , including without limitation
* the rights to use , copy , modify , merge , publish , distribute , sublicense ,
* and / or sell copies of the Software , and to permit persons to whom the
* Software is furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL
* THE COPYRIGHT HOLDER ( S ) OR AUTHOR ( S ) BE LIABLE FOR ANY CLAIM , DAMAGES OR
* OTHER LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE ,
* ARISING FROM , OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE .
*
* Authors : AMD
*
*/
#include "dm_services.h"
#include "dc.h"
#include "core_types.h"
#include "dce120_hwseq.h"
#include "dce/dce_hwseq.h"
#include "dce100/dce100_hwseq.h"
#include "dce110/dce110_hwseq.h"
#include "dce/dce_12_0_offset.h"
#include "dce/dce_12_0_sh_mask.h"
#include "soc15_hw_ip.h"
#include "vega10_ip_offset.h"
#include "reg_helper.h"
#define CTX \
hws->ctx
#define REG(reg)\
hws->regs->reg
#undef FN
#define FN(reg_name, field_name) \
hws->shifts->field_name, hws->masks->field_name
struct dce120_hw_seq_reg_offsets {
uint32_t crtc;
};
#if 0
static const struct dce120_hw_seq_reg_offsets reg_offsets[] = {
{
.crtc = (mmCRTC0_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
},
{
.crtc = (mmCRTC1_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
},
{
.crtc = (mmCRTC2_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
},
{
.crtc = (mmCRTC3_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
},
{
.crtc = (mmCRTC4_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
},
{
.crtc = (mmCRTC5_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
}
};
#define HW_REG_CRTC(reg, id)\
(reg + reg_offsets[id].crtc)
#define CNTL_ID(controller_id)\
controller_id
/*******************************************************************************
* Private definitions
******************************************************************************/
static void dce120_init_pte(struct dc_context *ctx, uint8_t controller_id)
{
uint32_t addr;
uint32_t value = 0 ;
uint32_t chunk_int = 0 ;
uint32_t chunk_mul = 0 ;
/*
addr = mmDCP0_DVMM_PTE_CONTROL + controller_id *
( mmDCP1_DVMM_PTE_CONTROL - mmDCP0_DVMM_PTE_CONTROL ) ;
value = dm_read_reg ( ctx , addr ) ;
set_reg_field_value (
value , 0 , DCP , controller_id ,
DVMM_PTE_CONTROL ,
DVMM_USE_SINGLE_PTE ) ;
set_reg_field_value_soc15 (
value , 1 , DCP , controller_id ,
DVMM_PTE_CONTROL ,
DVMM_PTE_BUFFER_MODE0 ) ;
set_reg_field_value_soc15 (
value , 1 , DCP , controller_id ,
DVMM_PTE_CONTROL ,
DVMM_PTE_BUFFER_MODE1 ) ;
dm_write_reg(ctx, addr, value);*/
addr = mmDVMM_PTE_REQ;
value = dm_read_reg(ctx, addr);
chunk_int = get_reg_field_value(
value,
DVMM_PTE_REQ,
HFLIP_PTEREQ_PER_CHUNK_INT);
chunk_mul = get_reg_field_value(
value,
DVMM_PTE_REQ,
HFLIP_PTEREQ_PER_CHUNK_MULTIPLIER);
if (chunk_int != 0 x4 || chunk_mul != 0 x4) {
set_reg_field_value(
value,
255 ,
DVMM_PTE_REQ,
MAX_PTEREQ_TO_ISSUE);
set_reg_field_value(
value,
4 ,
DVMM_PTE_REQ,
HFLIP_PTEREQ_PER_CHUNK_INT);
set_reg_field_value(
value,
4 ,
DVMM_PTE_REQ,
HFLIP_PTEREQ_PER_CHUNK_MULTIPLIER);
dm_write_reg(ctx, addr, value);
}
}
#endif
static bool dce120_enable_display_power_gating(
struct dc *dc,
uint8_t controller_id,
struct dc_bios *dcb,
enum pipe_gating_control power_gating)
{
/* disable for bringup */
#if 0
enum bp_result bp_result = BP_RESULT_OK;
enum bp_pipe_control_action cntl;
struct dc_context *ctx = dc->ctx;
if (power_gating == PIPE_GATING_CONTROL_INIT)
cntl = ASIC_PIPE_INIT;
else if (power_gating == PIPE_GATING_CONTROL_ENABLE)
cntl = ASIC_PIPE_ENABLE;
else
cntl = ASIC_PIPE_DISABLE;
if (power_gating != PIPE_GATING_CONTROL_INIT || controller_id == 0 ) {
bp_result = dcb->funcs->enable_disp_power_gating(
dcb, controller_id + 1 , cntl);
/* Revert MASTER_UPDATE_MODE to 0 because bios sets it 2
* by default when command table is called
*/
dm_write_reg(ctx,
HW_REG_CRTC(mmCRTC0_CRTC_MASTER_UPDATE_MODE, controller_id),
0 );
}
if (power_gating != PIPE_GATING_CONTROL_ENABLE)
dce120_init_pte(ctx, controller_id);
if (bp_result == BP_RESULT_OK)
return true ;
else
return false ;
#endif
return false ;
}
static void dce120_update_dchub(
struct dce_hwseq *hws,
struct dchub_init_data *dh_data)
{
/* TODO: port code from dal2 */
switch (dh_data->fb_mode) {
case FRAME_BUFFER_MODE_ZFB_ONLY:
/*For ZFB case need to put DCHUB FB BASE and TOP upside down to indicate ZFB mode*/
REG_UPDATE_2(DCHUB_FB_LOCATION,
FB_TOP, 0 ,
FB_BASE, 0 x0FFFF);
REG_UPDATE(DCHUB_AGP_BASE,
AGP_BASE, dh_data->zfb_phys_addr_base >> 22 );
REG_UPDATE(DCHUB_AGP_BOT,
AGP_BOT, dh_data->zfb_mc_base_addr >> 22 );
REG_UPDATE(DCHUB_AGP_TOP,
AGP_TOP, (dh_data->zfb_mc_base_addr + dh_data->zfb_size_in_byte - 1 ) >> 22 );
break ;
case FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL:
/*Should not touch FB LOCATION (done by VBIOS on AsicInit table)*/
REG_UPDATE(DCHUB_AGP_BASE,
AGP_BASE, dh_data->zfb_phys_addr_base >> 22 );
REG_UPDATE(DCHUB_AGP_BOT,
AGP_BOT, dh_data->zfb_mc_base_addr >> 22 );
REG_UPDATE(DCHUB_AGP_TOP,
AGP_TOP, (dh_data->zfb_mc_base_addr + dh_data->zfb_size_in_byte - 1 ) >> 22 );
break ;
case FRAME_BUFFER_MODE_LOCAL_ONLY:
/*Should not touch FB LOCATION (done by VBIOS on AsicInit table)*/
REG_UPDATE(DCHUB_AGP_BASE,
AGP_BASE, 0 );
REG_UPDATE(DCHUB_AGP_BOT,
AGP_BOT, 0 x03FFFF);
REG_UPDATE(DCHUB_AGP_TOP,
AGP_TOP, 0 );
break ;
default :
break ;
}
dh_data->dchub_initialzied = true ;
dh_data->dchub_info_valid = false ;
}
/**
* dce121_xgmi_enabled ( ) - Check if xGMI is enabled
* @ hws : DCE hardware sequencer object
*
* Return true if xGMI is enabled . False otherwise .
*/
bool dce121_xgmi_enabled(struct dce_hwseq *hws)
{
uint32_t pf_max_region;
REG_GET(MC_VM_XGMI_LFB_CNTL, PF_MAX_REGION, &pf_max_region);
/* PF_MAX_REGION == 0 means xgmi is disabled */
return !!pf_max_region;
}
void dce120_hw_sequencer_construct(struct dc *dc)
{
/* All registers used by dce11.2 match those in dce11 in offset and
* structure
*/
dce110_hw_sequencer_construct(dc);
dc->hwseq->funcs.enable_display_power_gating = dce120_enable_display_power_gating;
dc->hwss.update_dchub = dce120_update_dchub;
dc->hwss.clear_surface_dcc_and_tiling = dce100_reset_surface_dcc_and_tiling;
}
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(vorverarbeitet am 2026-10-11)
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