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      1 /*	$NetBSD: amdgpu_display_mode_lib.c,v 1.2 2021/12/18 23:45:04 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2017 Advanced Micro Devices, Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  * Authors: AMD
     25  *
     26  */
     27 
     28 #include <sys/cdefs.h>
     29 __KERNEL_RCSID(0, "$NetBSD: amdgpu_display_mode_lib.c,v 1.2 2021/12/18 23:45:04 riastradh Exp $");
     30 
     31 #include "display_mode_lib.h"
     32 #include "dc_features.h"
     33 #include "dcn20/display_mode_vba_20.h"
     34 #include "dcn20/display_rq_dlg_calc_20.h"
     35 #include "dcn20/display_mode_vba_20v2.h"
     36 #include "dcn20/display_rq_dlg_calc_20v2.h"
     37 #include "dcn21/display_mode_vba_21.h"
     38 #include "dcn21/display_rq_dlg_calc_21.h"
     39 
     40 const struct dml_funcs dml20_funcs = {
     41 	.validate = dml20_ModeSupportAndSystemConfigurationFull,
     42 	.recalculate = dml20_recalculate,
     43 	.rq_dlg_get_dlg_reg = dml20_rq_dlg_get_dlg_reg,
     44 	.rq_dlg_get_rq_reg = dml20_rq_dlg_get_rq_reg
     45 };
     46 
     47 const struct dml_funcs dml20v2_funcs = {
     48 	.validate = dml20v2_ModeSupportAndSystemConfigurationFull,
     49 	.recalculate = dml20v2_recalculate,
     50 	.rq_dlg_get_dlg_reg = dml20v2_rq_dlg_get_dlg_reg,
     51 	.rq_dlg_get_rq_reg = dml20v2_rq_dlg_get_rq_reg
     52 };
     53 
     54 const struct dml_funcs dml21_funcs = {
     55         .validate = dml21_ModeSupportAndSystemConfigurationFull,
     56         .recalculate = dml21_recalculate,
     57         .rq_dlg_get_dlg_reg = dml21_rq_dlg_get_dlg_reg,
     58         .rq_dlg_get_rq_reg = dml21_rq_dlg_get_rq_reg
     59 };
     60 
     61 void dml_init_instance(struct display_mode_lib *lib,
     62 		const struct _vcs_dpi_soc_bounding_box_st *soc_bb,
     63 		const struct _vcs_dpi_ip_params_st *ip_params,
     64 		enum dml_project project)
     65 {
     66 	lib->soc = *soc_bb;
     67 	lib->ip = *ip_params;
     68 	lib->project = project;
     69 	switch (project) {
     70 	case DML_PROJECT_NAVI10:
     71 		lib->funcs = dml20_funcs;
     72 		break;
     73 	case DML_PROJECT_NAVI10v2:
     74 		lib->funcs = dml20v2_funcs;
     75 		break;
     76         case DML_PROJECT_DCN21:
     77                 lib->funcs = dml21_funcs;
     78                 break;
     79 
     80 	default:
     81 		break;
     82 	}
     83 }
     84 
     85 const char *dml_get_status_message(enum dm_validation_status status)
     86 {
     87 	switch (status) {
     88 	case DML_VALIDATION_OK:                   return "Validation OK";
     89 	case DML_FAIL_SCALE_RATIO_TAP:            return "Scale ratio/tap";
     90 	case DML_FAIL_SOURCE_PIXEL_FORMAT:        return "Source pixel format";
     91 	case DML_FAIL_VIEWPORT_SIZE:              return "Viewport size";
     92 	case DML_FAIL_TOTAL_V_ACTIVE_BW:          return "Total vertical active bandwidth";
     93 	case DML_FAIL_DIO_SUPPORT:                return "DIO support";
     94 	case DML_FAIL_NOT_ENOUGH_DSC:             return "Not enough DSC Units";
     95 	case DML_FAIL_DSC_CLK_REQUIRED:           return "DSC clock required";
     96 	case DML_FAIL_URGENT_LATENCY:             return "Urgent latency";
     97 	case DML_FAIL_REORDERING_BUFFER:          return "Re-ordering buffer";
     98 	case DML_FAIL_DISPCLK_DPPCLK:             return "Dispclk and Dppclk";
     99 	case DML_FAIL_TOTAL_AVAILABLE_PIPES:      return "Total available pipes";
    100 	case DML_FAIL_NUM_OTG:                    return "Number of OTG";
    101 	case DML_FAIL_WRITEBACK_MODE:             return "Writeback mode";
    102 	case DML_FAIL_WRITEBACK_LATENCY:          return "Writeback latency";
    103 	case DML_FAIL_WRITEBACK_SCALE_RATIO_TAP:  return "Writeback scale ratio/tap";
    104 	case DML_FAIL_CURSOR_SUPPORT:             return "Cursor support";
    105 	case DML_FAIL_PITCH_SUPPORT:              return "Pitch support";
    106 	case DML_FAIL_PTE_BUFFER_SIZE:            return "PTE buffer size";
    107 	case DML_FAIL_DSC_INPUT_BPC:              return "DSC input bpc";
    108 	case DML_FAIL_PREFETCH_SUPPORT:           return "Prefetch support";
    109 	case DML_FAIL_V_RATIO_PREFETCH:           return "Vertical ratio prefetch";
    110 	default:                                  return "Unknown Status";
    111 	}
    112 }
    113