treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / gpu / drm / amd / display / dc / dml / display_mode_lib.c
blob2689401a03a327a87a8e000bae6a2a5fe91a733f
1 /*
2 * Copyright 2017 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Authors: AMD
26 #include "display_mode_lib.h"
27 #include "dc_features.h"
28 #include "dcn20/display_mode_vba_20.h"
29 #include "dcn20/display_rq_dlg_calc_20.h"
30 #include "dcn20/display_mode_vba_20v2.h"
31 #include "dcn20/display_rq_dlg_calc_20v2.h"
32 #include "dcn21/display_mode_vba_21.h"
33 #include "dcn21/display_rq_dlg_calc_21.h"
35 const struct dml_funcs dml20_funcs = {
36 .validate = dml20_ModeSupportAndSystemConfigurationFull,
37 .recalculate = dml20_recalculate,
38 .rq_dlg_get_dlg_reg = dml20_rq_dlg_get_dlg_reg,
39 .rq_dlg_get_rq_reg = dml20_rq_dlg_get_rq_reg
42 const struct dml_funcs dml20v2_funcs = {
43 .validate = dml20v2_ModeSupportAndSystemConfigurationFull,
44 .recalculate = dml20v2_recalculate,
45 .rq_dlg_get_dlg_reg = dml20v2_rq_dlg_get_dlg_reg,
46 .rq_dlg_get_rq_reg = dml20v2_rq_dlg_get_rq_reg
49 const struct dml_funcs dml21_funcs = {
50 .validate = dml21_ModeSupportAndSystemConfigurationFull,
51 .recalculate = dml21_recalculate,
52 .rq_dlg_get_dlg_reg = dml21_rq_dlg_get_dlg_reg,
53 .rq_dlg_get_rq_reg = dml21_rq_dlg_get_rq_reg
56 void dml_init_instance(struct display_mode_lib *lib,
57 const struct _vcs_dpi_soc_bounding_box_st *soc_bb,
58 const struct _vcs_dpi_ip_params_st *ip_params,
59 enum dml_project project)
61 lib->soc = *soc_bb;
62 lib->ip = *ip_params;
63 lib->project = project;
64 switch (project) {
65 case DML_PROJECT_NAVI10:
66 lib->funcs = dml20_funcs;
67 break;
68 case DML_PROJECT_NAVI10v2:
69 lib->funcs = dml20v2_funcs;
70 break;
71 case DML_PROJECT_DCN21:
72 lib->funcs = dml21_funcs;
73 break;
75 default:
76 break;
80 const char *dml_get_status_message(enum dm_validation_status status)
82 switch (status) {
83 case DML_VALIDATION_OK: return "Validation OK";
84 case DML_FAIL_SCALE_RATIO_TAP: return "Scale ratio/tap";
85 case DML_FAIL_SOURCE_PIXEL_FORMAT: return "Source pixel format";
86 case DML_FAIL_VIEWPORT_SIZE: return "Viewport size";
87 case DML_FAIL_TOTAL_V_ACTIVE_BW: return "Total vertical active bandwidth";
88 case DML_FAIL_DIO_SUPPORT: return "DIO support";
89 case DML_FAIL_NOT_ENOUGH_DSC: return "Not enough DSC Units";
90 case DML_FAIL_DSC_CLK_REQUIRED: return "DSC clock required";
91 case DML_FAIL_URGENT_LATENCY: return "Urgent latency";
92 case DML_FAIL_REORDERING_BUFFER: return "Re-ordering buffer";
93 case DML_FAIL_DISPCLK_DPPCLK: return "Dispclk and Dppclk";
94 case DML_FAIL_TOTAL_AVAILABLE_PIPES: return "Total available pipes";
95 case DML_FAIL_NUM_OTG: return "Number of OTG";
96 case DML_FAIL_WRITEBACK_MODE: return "Writeback mode";
97 case DML_FAIL_WRITEBACK_LATENCY: return "Writeback latency";
98 case DML_FAIL_WRITEBACK_SCALE_RATIO_TAP: return "Writeback scale ratio/tap";
99 case DML_FAIL_CURSOR_SUPPORT: return "Cursor support";
100 case DML_FAIL_PITCH_SUPPORT: return "Pitch support";
101 case DML_FAIL_PTE_BUFFER_SIZE: return "PTE buffer size";
102 case DML_FAIL_DSC_INPUT_BPC: return "DSC input bpc";
103 case DML_FAIL_PREFETCH_SUPPORT: return "Prefetch support";
104 case DML_FAIL_V_RATIO_PREFETCH: return "Vertical ratio prefetch";
105 default: return "Unknown Status";