1 /* 2 * Copyright 2023 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 "amdgpu_dm_replay.h" 27 #include "dc_dmub_srv.h" 28 #include "dc.h" 29 #include "dm_helpers.h" 30 #include "amdgpu_dm.h" 31 #include "modules/power/power_helpers.h" 32 #include "dmub/inc/dmub_cmd.h" 33 #include "dc/inc/link.h" 34 35 /* 36 * amdgpu_dm_link_supports_replay() - check if the link supports replay 37 * @link: link 38 * @aconnector: aconnector 39 * 40 */ 41 bool amdgpu_dm_link_supports_replay(struct dc_link *link, struct amdgpu_dm_connector *aconnector) 42 { 43 struct dm_connector_state *state = to_dm_connector_state(aconnector->base.state); 44 struct dpcd_caps *dpcd_caps = &link->dpcd_caps; 45 struct adaptive_sync_caps *as_caps = &link->dpcd_caps.adaptive_sync_caps; 46 47 if (!state->freesync_capable) 48 return false; 49 50 if (!aconnector->vsdb_info.replay_mode) 51 return false; 52 53 // Check the eDP version 54 if (dpcd_caps->edp_rev < EDP_REVISION_13) 55 return false; 56 57 if (!dpcd_caps->alpm_caps.bits.AUX_WAKE_ALPM_CAP) 58 return false; 59 60 // Check adaptive sync support cap 61 if (!as_caps->dp_adap_sync_caps.bits.ADAPTIVE_SYNC_SDP_SUPPORT) 62 return false; 63 64 // Sink shall populate line deviation information 65 if (dpcd_caps->pr_info.pixel_deviation_per_line == 0 || 66 dpcd_caps->pr_info.max_deviation_line == 0) 67 return false; 68 69 return true; 70 } 71 72 /* 73 * amdgpu_dm_set_replay_caps() - setup Replay capabilities 74 * @link: link 75 * @aconnector: aconnector 76 * 77 */ 78 bool amdgpu_dm_set_replay_caps(struct dc_link *link, struct amdgpu_dm_connector *aconnector) 79 { 80 struct replay_config pr_config = { 0 }; 81 union replay_debug_flags *debug_flags = NULL; 82 struct dc *dc = link->ctx->dc; 83 84 // If Replay is already set to support, return true to skip checks 85 if (link->replay_settings.config.replay_supported) 86 return true; 87 88 if (!dc_is_embedded_signal(link->connector_signal)) 89 return false; 90 91 if (link->panel_config.psr.disallow_replay) 92 return false; 93 94 if (!amdgpu_dm_link_supports_replay(link, aconnector)) 95 return false; 96 97 if (!dc->ctx->dmub_srv || !dc->ctx->dmub_srv->dmub || 98 !dc->ctx->dmub_srv->dmub->feature_caps.replay_supported) 99 return false; 100 101 // Mark Replay is supported in pr_config 102 pr_config.replay_supported = true; 103 104 debug_flags = (union replay_debug_flags *)&pr_config.debug_flags; 105 debug_flags->u32All = 0; 106 debug_flags->bitfields.visual_confirm = 107 link->ctx->dc->debug.visual_confirm == VISUAL_CONFIRM_REPLAY; 108 109 init_replay_config(link, &pr_config); 110 111 return true; 112 } 113 114 /* 115 * amdgpu_dm_link_setup_replay() - configure replay link 116 * @link: link 117 * @aconnector: aconnector 118 * 119 */ 120 bool amdgpu_dm_link_setup_replay(struct dc_link *link, struct amdgpu_dm_connector *aconnector) 121 { 122 struct replay_config *pr_config; 123 124 if (link == NULL || aconnector == NULL) 125 return false; 126 127 pr_config = &link->replay_settings.config; 128 129 if (!pr_config->replay_supported) 130 return false; 131 132 pr_config->replay_power_opt_supported = 0x11; 133 pr_config->replay_smu_opt_supported = false; 134 pr_config->replay_enable_option |= pr_enable_option_static_screen; 135 pr_config->replay_support_fast_resync_in_ultra_sleep_mode = aconnector->max_vfreq >= 2 * aconnector->min_vfreq; 136 pr_config->replay_timing_sync_supported = false; 137 138 if (!pr_config->replay_timing_sync_supported) 139 pr_config->replay_enable_option &= ~pr_enable_option_general_ui; 140 141 link->replay_settings.replay_feature_enabled = true; 142 143 return true; 144 } 145 146 /* 147 * amdgpu_dm_replay_enable() - enable replay f/w 148 * @stream: stream state 149 * 150 * Return: true if success 151 */ 152 bool amdgpu_dm_replay_enable(struct dc_stream_state *stream, bool wait) 153 { 154 bool replay_active = true; 155 struct dc_link *link = NULL; 156 157 if (stream == NULL) 158 return false; 159 160 link = stream->link; 161 162 if (link) { 163 link->dc->link_srv->edp_setup_replay(link, stream); 164 link->dc->link_srv->edp_set_coasting_vtotal(link, stream->timing.v_total); 165 DRM_DEBUG_DRIVER("Enabling replay...\n"); 166 link->dc->link_srv->edp_set_replay_allow_active(link, &replay_active, wait, false, NULL); 167 return true; 168 } 169 170 return false; 171 } 172 173 /* 174 * amdgpu_dm_replay_disable() - disable replay f/w 175 * @stream: stream state 176 * 177 * Return: true if success 178 */ 179 bool amdgpu_dm_replay_disable(struct dc_stream_state *stream) 180 { 181 bool replay_active = false; 182 struct dc_link *link = NULL; 183 184 if (stream == NULL) 185 return false; 186 187 link = stream->link; 188 189 if (link) { 190 DRM_DEBUG_DRIVER("Disabling replay...\n"); 191 link->dc->link_srv->edp_set_replay_allow_active(stream->link, &replay_active, true, false, NULL); 192 return true; 193 } 194 195 return false; 196 } 197 198 /* 199 * amdgpu_dm_replay_disable_all() - disable replay f/w 200 * if replay is enabled on any stream 201 * 202 * Return: true if success 203 */ 204 bool amdgpu_dm_replay_disable_all(struct amdgpu_display_manager *dm) 205 { 206 DRM_DEBUG_DRIVER("Disabling replay if replay is enabled on any stream\n"); 207 return dc_set_replay_allow_active(dm->dc, false); 208 } 209