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1/*2 * Copyright 2023 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: AMD23 *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 replay37 * @link: link38 * @aconnector: aconnector39 *40 */41bool 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 version54 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 cap61 if (!as_caps->dp_adap_sync_caps.bits.ADAPTIVE_SYNC_SDP_SUPPORT)62 return false;63 64 // Sink shall populate line deviation information65 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 capabilities74 * @link: link75 * @aconnector: aconnector76 *77 */78bool 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 checks85 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_config102 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 link116 * @link: link117 * @aconnector: aconnector118 *119 */120bool 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/w148 * @stream: stream state149 *150 * Return: true if success151 */152bool 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/w175 * @stream: stream state176 *177 * Return: true if success178 */179bool 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/w200 * if replay is enabled on any stream201 *202 * Return: true if success203 */204bool 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