LCOV - code coverage report
Current view: top level - drivers/gpu/drm/amd/display/dc/dce120 - dce120_hw_sequencer.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 28 0.0 %
Date: 2022-12-09 01:23:36 Functions: 0 4 0.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright 2015 Advanced Micro Devices, Inc.
       3             :  *
       4             :  * Permission is hereby granted, free of charge, to any person obtaining a
       5             :  * copy of this software and associated documentation files (the "Software"),
       6             :  * to deal in the Software without restriction, including without limitation
       7             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
       8             :  * and/or sell copies of the Software, and to permit persons to whom the
       9             :  * Software is furnished to do so, subject to the following conditions:
      10             :  *
      11             :  * The above copyright notice and this permission notice shall be included in
      12             :  * all copies or substantial portions of the Software.
      13             :  *
      14             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      15             :  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      16             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
      17             :  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
      18             :  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
      19             :  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
      20             :  * OTHER DEALINGS IN THE SOFTWARE.
      21             :  *
      22             :  * Authors: AMD
      23             :  *
      24             :  */
      25             : 
      26             : #include "dm_services.h"
      27             : #include "dc.h"
      28             : #include "core_types.h"
      29             : #include "dce120_hw_sequencer.h"
      30             : #include "dce/dce_hwseq.h"
      31             : 
      32             : #include "dce110/dce110_hw_sequencer.h"
      33             : 
      34             : #include "dce/dce_12_0_offset.h"
      35             : #include "dce/dce_12_0_sh_mask.h"
      36             : #include "soc15_hw_ip.h"
      37             : #include "vega10_ip_offset.h"
      38             : #include "reg_helper.h"
      39             : 
      40             : #define CTX \
      41             :         hws->ctx
      42             : #define REG(reg)\
      43             :         hws->regs->reg
      44             : 
      45             : #undef FN
      46             : #define FN(reg_name, field_name) \
      47             :         hws->shifts->field_name, hws->masks->field_name
      48             : 
      49             : struct dce120_hw_seq_reg_offsets {
      50             :         uint32_t crtc;
      51             : };
      52             : 
      53             : #if 0
      54             : static const struct dce120_hw_seq_reg_offsets reg_offsets[] = {
      55             : {
      56             :         .crtc = (mmCRTC0_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
      57             : },
      58             : {
      59             :         .crtc = (mmCRTC1_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
      60             : },
      61             : {
      62             :         .crtc = (mmCRTC2_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
      63             : },
      64             : {
      65             :         .crtc = (mmCRTC3_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
      66             : },
      67             : {
      68             :         .crtc = (mmCRTC4_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
      69             : },
      70             : {
      71             :         .crtc = (mmCRTC5_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
      72             : }
      73             : };
      74             : 
      75             : #define HW_REG_CRTC(reg, id)\
      76             :         (reg + reg_offsets[id].crtc)
      77             : 
      78             : #define CNTL_ID(controller_id)\
      79             :         controller_id
      80             : /*******************************************************************************
      81             :  * Private definitions
      82             :  ******************************************************************************/
      83             : static void dce120_init_pte(struct dc_context *ctx, uint8_t controller_id)
      84             : {
      85             :         uint32_t addr;
      86             :         uint32_t value = 0;
      87             :         uint32_t chunk_int = 0;
      88             :         uint32_t chunk_mul = 0;
      89             : /*
      90             :         addr = mmDCP0_DVMM_PTE_CONTROL + controller_id *
      91             :                         (mmDCP1_DVMM_PTE_CONTROL- mmDCP0_DVMM_PTE_CONTROL);
      92             : 
      93             :         value = dm_read_reg(ctx, addr);
      94             : 
      95             :         set_reg_field_value(
      96             :                         value, 0, DCP, controller_id,
      97             :                         DVMM_PTE_CONTROL,
      98             :                         DVMM_USE_SINGLE_PTE);
      99             : 
     100             :         set_reg_field_value_soc15(
     101             :                         value, 1, DCP, controller_id,
     102             :                         DVMM_PTE_CONTROL,
     103             :                         DVMM_PTE_BUFFER_MODE0);
     104             : 
     105             :         set_reg_field_value_soc15(
     106             :                         value, 1, DCP, controller_id,
     107             :                         DVMM_PTE_CONTROL,
     108             :                         DVMM_PTE_BUFFER_MODE1);
     109             : 
     110             :         dm_write_reg(ctx, addr, value);*/
     111             : 
     112             :         addr = mmDVMM_PTE_REQ;
     113             :         value = dm_read_reg(ctx, addr);
     114             : 
     115             :         chunk_int = get_reg_field_value(
     116             :                 value,
     117             :                 DVMM_PTE_REQ,
     118             :                 HFLIP_PTEREQ_PER_CHUNK_INT);
     119             : 
     120             :         chunk_mul = get_reg_field_value(
     121             :                 value,
     122             :                 DVMM_PTE_REQ,
     123             :                 HFLIP_PTEREQ_PER_CHUNK_MULTIPLIER);
     124             : 
     125             :         if (chunk_int != 0x4 || chunk_mul != 0x4) {
     126             : 
     127             :                 set_reg_field_value(
     128             :                         value,
     129             :                         255,
     130             :                         DVMM_PTE_REQ,
     131             :                         MAX_PTEREQ_TO_ISSUE);
     132             : 
     133             :                 set_reg_field_value(
     134             :                         value,
     135             :                         4,
     136             :                         DVMM_PTE_REQ,
     137             :                         HFLIP_PTEREQ_PER_CHUNK_INT);
     138             : 
     139             :                 set_reg_field_value(
     140             :                         value,
     141             :                         4,
     142             :                         DVMM_PTE_REQ,
     143             :                         HFLIP_PTEREQ_PER_CHUNK_MULTIPLIER);
     144             : 
     145             :                 dm_write_reg(ctx, addr, value);
     146             :         }
     147             : }
     148             : #endif
     149             : 
     150           0 : static bool dce120_enable_display_power_gating(
     151             :         struct dc *dc,
     152             :         uint8_t controller_id,
     153             :         struct dc_bios *dcb,
     154             :         enum pipe_gating_control power_gating)
     155             : {
     156             :         /* disable for bringup */
     157             : #if 0
     158             :         enum bp_result bp_result = BP_RESULT_OK;
     159             :         enum bp_pipe_control_action cntl;
     160             :         struct dc_context *ctx = dc->ctx;
     161             : 
     162             :         if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment))
     163             :                 return true;
     164             : 
     165             :         if (power_gating == PIPE_GATING_CONTROL_INIT)
     166             :                 cntl = ASIC_PIPE_INIT;
     167             :         else if (power_gating == PIPE_GATING_CONTROL_ENABLE)
     168             :                 cntl = ASIC_PIPE_ENABLE;
     169             :         else
     170             :                 cntl = ASIC_PIPE_DISABLE;
     171             : 
     172             :         if (power_gating != PIPE_GATING_CONTROL_INIT || controller_id == 0) {
     173             : 
     174             :                 bp_result = dcb->funcs->enable_disp_power_gating(
     175             :                                                 dcb, controller_id + 1, cntl);
     176             : 
     177             :                 /* Revert MASTER_UPDATE_MODE to 0 because bios sets it 2
     178             :                  * by default when command table is called
     179             :                  */
     180             :                 dm_write_reg(ctx,
     181             :                         HW_REG_CRTC(mmCRTC0_CRTC_MASTER_UPDATE_MODE, controller_id),
     182             :                         0);
     183             :         }
     184             : 
     185             :         if (power_gating != PIPE_GATING_CONTROL_ENABLE)
     186             :                 dce120_init_pte(ctx, controller_id);
     187             : 
     188             :         if (bp_result == BP_RESULT_OK)
     189             :                 return true;
     190             :         else
     191             :                 return false;
     192             : #endif
     193           0 :         return false;
     194             : }
     195             : 
     196           0 : static void dce120_update_dchub(
     197             :         struct dce_hwseq *hws,
     198             :         struct dchub_init_data *dh_data)
     199             : {
     200             :         /* TODO: port code from dal2 */
     201           0 :         switch (dh_data->fb_mode) {
     202             :         case FRAME_BUFFER_MODE_ZFB_ONLY:
     203             :                 /*For ZFB case need to put DCHUB FB BASE and TOP upside down to indicate ZFB mode*/
     204           0 :                 REG_UPDATE_2(DCHUB_FB_LOCATION,
     205             :                                 FB_TOP, 0,
     206             :                                 FB_BASE, 0x0FFFF);
     207             : 
     208           0 :                 REG_UPDATE(DCHUB_AGP_BASE,
     209             :                                 AGP_BASE, dh_data->zfb_phys_addr_base >> 22);
     210             : 
     211           0 :                 REG_UPDATE(DCHUB_AGP_BOT,
     212             :                                 AGP_BOT, dh_data->zfb_mc_base_addr >> 22);
     213             : 
     214           0 :                 REG_UPDATE(DCHUB_AGP_TOP,
     215             :                                 AGP_TOP, (dh_data->zfb_mc_base_addr + dh_data->zfb_size_in_byte - 1) >> 22);
     216           0 :                 break;
     217             :         case FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL:
     218             :                 /*Should not touch FB LOCATION (done by VBIOS on AsicInit table)*/
     219           0 :                 REG_UPDATE(DCHUB_AGP_BASE,
     220             :                                 AGP_BASE, dh_data->zfb_phys_addr_base >> 22);
     221             : 
     222           0 :                 REG_UPDATE(DCHUB_AGP_BOT,
     223             :                                 AGP_BOT, dh_data->zfb_mc_base_addr >> 22);
     224             : 
     225           0 :                 REG_UPDATE(DCHUB_AGP_TOP,
     226             :                                 AGP_TOP, (dh_data->zfb_mc_base_addr + dh_data->zfb_size_in_byte - 1) >> 22);
     227           0 :                 break;
     228             :         case FRAME_BUFFER_MODE_LOCAL_ONLY:
     229             :                 /*Should not touch FB LOCATION (done by VBIOS on AsicInit table)*/
     230           0 :                 REG_UPDATE(DCHUB_AGP_BASE,
     231             :                                 AGP_BASE, 0);
     232             : 
     233           0 :                 REG_UPDATE(DCHUB_AGP_BOT,
     234             :                                 AGP_BOT, 0x03FFFF);
     235             : 
     236           0 :                 REG_UPDATE(DCHUB_AGP_TOP,
     237             :                                 AGP_TOP, 0);
     238           0 :                 break;
     239             :         default:
     240             :                 break;
     241             :         }
     242             : 
     243           0 :         dh_data->dchub_initialzied = true;
     244           0 :         dh_data->dchub_info_valid = false;
     245           0 : }
     246             : 
     247             : /**
     248             :  * dce121_xgmi_enabled() - Check if xGMI is enabled
     249             :  * @hws: DCE hardware sequencer object
     250             :  *
     251             :  * Return true if xGMI is enabled. False otherwise.
     252             :  */
     253           0 : bool dce121_xgmi_enabled(struct dce_hwseq *hws)
     254             : {
     255             :         uint32_t pf_max_region;
     256             : 
     257           0 :         REG_GET(MC_VM_XGMI_LFB_CNTL, PF_MAX_REGION, &pf_max_region);
     258             :         /* PF_MAX_REGION == 0 means xgmi is disabled */
     259           0 :         return !!pf_max_region;
     260             : }
     261             : 
     262           0 : void dce120_hw_sequencer_construct(struct dc *dc)
     263             : {
     264             :         /* All registers used by dce11.2 match those in dce11 in offset and
     265             :          * structure
     266             :          */
     267           0 :         dce110_hw_sequencer_construct(dc);
     268           0 :         dc->hwseq->funcs.enable_display_power_gating = dce120_enable_display_power_gating;
     269           0 :         dc->hwss.update_dchub = dce120_update_dchub;
     270           0 : }
     271             : 

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