drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.c

   1 /*
   2  * Copyright 2017 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 "display_mode_lib.h"
  27 #include "dc_features.h"
  28 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
  29 #include "dcn20/display_mode_vba_20.h"
  30 #include "dcn20/display_rq_dlg_calc_20.h"
  31 #endif
  32
  33 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
  34 const struct dml_funcs dml20_funcs = {
  35         .validate = dml20_ModeSupportAndSystemConfigurationFull,
  36         .recalculate = dml20_recalculate,
  37         .rq_dlg_get_dlg_reg = dml20_rq_dlg_get_dlg_reg,
  38         .rq_dlg_get_rq_reg = dml20_rq_dlg_get_rq_reg
  39 };
  40 #endif
  41
  42 void dml_init_instance(struct display_mode_lib *lib,
  43                 const struct _vcs_dpi_soc_bounding_box_st *soc_bb,
  44                 const struct _vcs_dpi_ip_params_st *ip_params,
  45                 enum dml_project project)
  46 {
  47         lib->soc = *soc_bb;
  48         lib->ip = *ip_params;
  49         lib->project = project;
  50         switch (project) {
  51 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
  52         case DML_PROJECT_NAVI10:
  53                 lib->funcs = dml20_funcs;
  54                 break;
  55 #endif
  56         default:
  57                 break;
  58         }
  59 }
  60
  61 const char *dml_get_status_message(enum dm_validation_status status)
  62 {
  63         switch (status) {
  64         case DML_VALIDATION_OK:                   return "Validation OK";
  65         case DML_FAIL_SCALE_RATIO_TAP:            return "Scale ratio/tap";
  66         case DML_FAIL_SOURCE_PIXEL_FORMAT:        return "Source pixel format";
  67         case DML_FAIL_VIEWPORT_SIZE:              return "Viewport size";
  68         case DML_FAIL_TOTAL_V_ACTIVE_BW:          return "Total vertical active bandwidth";
  69         case DML_FAIL_DIO_SUPPORT:                return "DIO support";
  70         case DML_FAIL_NOT_ENOUGH_DSC:             return "Not enough DSC Units";
  71         case DML_FAIL_DSC_CLK_REQUIRED:           return "DSC clock required";
  72         case DML_FAIL_URGENT_LATENCY:             return "Urgent latency";
  73         case DML_FAIL_REORDERING_BUFFER:          return "Re-ordering buffer";
  74         case DML_FAIL_DISPCLK_DPPCLK:             return "Dispclk and Dppclk";
  75         case DML_FAIL_TOTAL_AVAILABLE_PIPES:      return "Total available pipes";
  76         case DML_FAIL_NUM_OTG:                    return "Number of OTG";
  77         case DML_FAIL_WRITEBACK_MODE:             return "Writeback mode";
  78         case DML_FAIL_WRITEBACK_LATENCY:          return "Writeback latency";
  79         case DML_FAIL_WRITEBACK_SCALE_RATIO_TAP:  return "Writeback scale ratio/tap";
  80         case DML_FAIL_CURSOR_SUPPORT:             return "Cursor support";
  81         case DML_FAIL_PITCH_SUPPORT:              return "Pitch support";
  82         case DML_FAIL_PTE_BUFFER_SIZE:            return "PTE buffer size";
  83         case DML_FAIL_DSC_INPUT_BPC:              return "DSC input bpc";
  84         case DML_FAIL_PREFETCH_SUPPORT:           return "Prefetch support";
  85         case DML_FAIL_V_RATIO_PREFETCH:           return "Vertical ratio prefetch";
  86         default:                                  return "Unknown Status";
  87         }
  88 }