1 // SPDX-License-Identifier: MIT 2 /* 3 * Copyright 2023 Advanced Micro Devices, Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: AMD 24 * 25 */ 26 27 #include "amdgpu_dm_replay.h" 28 #include "dc_dmub_srv.h" 29 #include "dc.h" 30 #include "dm_helpers.h" 31 #include "amdgpu_dm.h" 32 #include "modules/power/power_helpers.h" 33 #include "dmub/inc/dmub_cmd.h" 34 #include "dc/inc/link_service.h" 35 36 /* 37 * amdgpu_dm_link_supports_replay() - check if the link supports replay 38 * @link: link 39 * @aconnector: aconnector 40 * 41 */ 42 bool amdgpu_dm_link_supports_replay(struct dc_link *link, struct amdgpu_dm_connector *aconnector) 43 { 44 struct dm_connector_state *state = to_dm_connector_state(aconnector->base.state); 45 struct dpcd_caps *dpcd_caps = &link->dpcd_caps; 46 struct adaptive_sync_caps *as_caps = &link->dpcd_caps.adaptive_sync_caps; 47 48 if (!state->freesync_capable) 49 return false; 50 51 if (!aconnector->vsdb_info.replay_mode) 52 return false; 53 54 // Check the eDP version 55 if (dpcd_caps->edp_rev < EDP_REVISION_13) 56 return false; 57 58 if (!dpcd_caps->alpm_caps.bits.AUX_WAKE_ALPM_CAP) 59 return false; 60 61 // Check adaptive sync support cap 62 if (!as_caps->dp_adap_sync_caps.bits.ADAPTIVE_SYNC_SDP_SUPPORT) 63 return false; 64 65 // Sink shall populate line deviation information 66 if (dpcd_caps->pr_info.pixel_deviation_per_line == 0 || 67 dpcd_caps->pr_info.max_deviation_line == 0) 68 return false; 69 70 return true; 71 } 72 73 /* 74 * amdgpu_dm_set_replay_caps() - setup Replay capabilities 75 * @link: link 76 * @aconnector: aconnector 77 * 78 */ 79 bool amdgpu_dm_set_replay_caps(struct dc_link *link, struct amdgpu_dm_connector *aconnector) 80 { 81 struct replay_config pr_config = { 0 }; 82 union replay_debug_flags *debug_flags = NULL; 83 struct dc *dc = link->ctx->dc; 84 85 // If Replay is already set to support, return true to skip checks 86 if (link->replay_settings.config.replay_supported) 87 return true; 88 89 if (!dc_is_embedded_signal(link->connector_signal)) 90 return false; 91 92 if (link->panel_config.psr.disallow_replay) 93 return false; 94 95 if (!amdgpu_dm_link_supports_replay(link, aconnector)) 96 return false; 97 98 if (!dc->ctx->dmub_srv || !dc->ctx->dmub_srv->dmub || 99 !dc->ctx->dmub_srv->dmub->feature_caps.replay_supported) 100 return false; 101 102 // Mark Replay is supported in pr_config 103 pr_config.replay_supported = true; 104 105 debug_flags = (union replay_debug_flags *)&pr_config.debug_flags; 106 debug_flags->u32All = 0; 107 debug_flags->bitfields.visual_confirm = 108 link->ctx->dc->debug.visual_confirm == VISUAL_CONFIRM_REPLAY; 109 110 init_replay_config(link, &pr_config); 111 112 return true; 113 } 114 115 /* 116 * amdgpu_dm_link_setup_replay() - configure replay link 117 * @link: link 118 * @aconnector: aconnector 119 * 120 */ 121 bool amdgpu_dm_link_setup_replay(struct dc_link *link, struct amdgpu_dm_connector *aconnector) 122 { 123 struct replay_config *pr_config; 124 125 if (link == NULL || aconnector == NULL) 126 return false; 127 128 pr_config = &link->replay_settings.config; 129 130 if (!pr_config->replay_supported) 131 return false; 132 133 pr_config->replay_power_opt_supported = 0x11; 134 pr_config->replay_smu_opt_supported = false; 135 pr_config->replay_enable_option |= pr_enable_option_static_screen; 136 pr_config->replay_support_fast_resync_in_ultra_sleep_mode = aconnector->max_vfreq >= 2 * aconnector->min_vfreq; 137 pr_config->replay_timing_sync_supported = false; 138 139 if (!pr_config->replay_timing_sync_supported) 140 pr_config->replay_enable_option &= ~pr_enable_option_general_ui; 141 142 link->replay_settings.replay_feature_enabled = true; 143 144 return true; 145 } 146 147 /* 148 * amdgpu_dm_replay_enable() - enable replay f/w 149 * @stream: stream state 150 * 151 * Return: true if success 152 */ 153 bool amdgpu_dm_replay_enable(struct dc_stream_state *stream, bool wait) 154 { 155 bool replay_active = true; 156 struct dc_link *link = NULL; 157 158 if (stream == NULL) 159 return false; 160 161 link = stream->link; 162 163 if (link) { 164 link->dc->link_srv->edp_setup_replay(link, stream); 165 link->dc->link_srv->edp_set_coasting_vtotal(link, stream->timing.v_total, 0); 166 DRM_DEBUG_DRIVER("Enabling replay...\n"); 167 link->dc->link_srv->edp_set_replay_allow_active(link, &replay_active, wait, false, NULL); 168 return true; 169 } 170 171 return false; 172 } 173 174 /* 175 * amdgpu_dm_replay_disable() - disable replay f/w 176 * @stream: stream state 177 * 178 * Return: true if success 179 */ 180 bool amdgpu_dm_replay_disable(struct dc_stream_state *stream) 181 { 182 bool replay_active = false; 183 struct dc_link *link = NULL; 184 185 if (stream == NULL) 186 return false; 187 188 link = stream->link; 189 190 if (link) { 191 DRM_DEBUG_DRIVER("Disabling replay...\n"); 192 link->dc->link_srv->edp_set_replay_allow_active(stream->link, &replay_active, true, false, NULL); 193 return true; 194 } 195 196 return false; 197 } 198 199 /* 200 * amdgpu_dm_replay_disable_all() - disable replay f/w 201 * if replay is enabled on any stream 202 * 203 * Return: true if success 204 */ 205 bool amdgpu_dm_replay_disable_all(struct amdgpu_display_manager *dm) 206 { 207 DRM_DEBUG_DRIVER("Disabling replay if replay is enabled on any stream\n"); 208 return dc_set_replay_allow_active(dm->dc, false); 209 } 210