diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm')
7 files changed, 407 insertions, 124 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index d4f525b66a09..bcdd4f28b64c 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -67,6 +67,7 @@ #include "amdgpu_dm_debugfs.h" #endif #include "amdgpu_dm_psr.h" +#include "amdgpu_dm_replay.h" #include "ivsrcid/ivsrcid_vislands30.h" @@ -272,6 +273,7 @@ static int dm_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, { u32 v_blank_start, v_blank_end, h_position, v_position; struct amdgpu_crtc *acrtc = NULL; + struct dc *dc = adev->dm.dc; if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc)) return -EINVAL; @@ -284,6 +286,9 @@ static int dm_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, return 0; } + if (dc && dc->caps.ips_support && dc->idle_optimizations_allowed) + dc_allow_idle_optimizations(dc, false); + /* * TODO rework base driver to use values directly. * for now parse it back into reg-format @@ -1715,7 +1720,10 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) init_data.nbio_reg_offsets = adev->reg_offset[NBIO_HWIP][0]; init_data.clk_reg_offsets = adev->reg_offset[CLK_HWIP][0]; - init_data.flags.disable_ips = DMUB_IPS_DISABLE_ALL; + if (amdgpu_dc_debug_mask & DC_DISABLE_IPS) + init_data.flags.disable_ips = DMUB_IPS_DISABLE_ALL; + + init_data.flags.disable_ips_in_vpb = 1; /* Enable DWB for tested platforms only */ if (amdgpu_ip_version(adev, DCE_HWIP, 0) >= IP_VERSION(3, 0, 0)) @@ -1836,21 +1844,12 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) DRM_ERROR("amdgpu: fail to register dmub aux callback"); goto error; } - if (!register_dmub_notify_callback(adev, DMUB_NOTIFICATION_HPD, dmub_hpd_callback, true)) { - DRM_ERROR("amdgpu: fail to register dmub hpd callback"); - goto error; - } - if (!register_dmub_notify_callback(adev, DMUB_NOTIFICATION_HPD_IRQ, dmub_hpd_callback, true)) { - DRM_ERROR("amdgpu: fail to register dmub hpd callback"); - goto error; - } - } - - /* Enable outbox notification only after IRQ handlers are registered and DMUB is alive. - * It is expected that DMUB will resend any pending notifications at this point, for - * example HPD from DPIA. - */ - if (dc_is_dmub_outbox_supported(adev->dm.dc)) { + /* Enable outbox notification only after IRQ handlers are registered and DMUB is alive. + * It is expected that DMUB will resend any pending notifications at this point. Note + * that hpd and hpd_irq handler registration are deferred to register_hpd_handlers() to + * align legacy interface initialization sequence. Connection status will be proactivly + * detected once in the amdgpu_dm_initialize_drm_device. + */ dc_enable_dmub_outbox(adev->dm.dc); /* DPIA trace goes to dmesg logs only if outbox is enabled */ @@ -1931,17 +1930,15 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev) adev->dm.hdcp_workqueue = NULL; } - if (adev->dm.dc) + if (adev->dm.dc) { dc_deinit_callbacks(adev->dm.dc); - - if (adev->dm.dc) dc_dmub_srv_destroy(&adev->dm.dc->ctx->dmub_srv); - - if (dc_enable_dmub_notifications(adev->dm.dc)) { - kfree(adev->dm.dmub_notify); - adev->dm.dmub_notify = NULL; - destroy_workqueue(adev->dm.delayed_hpd_wq); - adev->dm.delayed_hpd_wq = NULL; + if (dc_enable_dmub_notifications(adev->dm.dc)) { + kfree(adev->dm.dmub_notify); + adev->dm.dmub_notify = NULL; + destroy_workqueue(adev->dm.delayed_hpd_wq); + adev->dm.delayed_hpd_wq = NULL; + } } if (adev->dm.dmub_bo) @@ -1949,7 +1946,7 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev) &adev->dm.dmub_bo_gpu_addr, &adev->dm.dmub_bo_cpu_addr); - if (adev->dm.hpd_rx_offload_wq) { + if (adev->dm.hpd_rx_offload_wq && adev->dm.dc) { for (i = 0; i < adev->dm.dc->caps.max_links; i++) { if (adev->dm.hpd_rx_offload_wq[i].wq) { destroy_workqueue(adev->dm.hpd_rx_offload_wq[i].wq); @@ -2114,6 +2111,17 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev) const struct dmcub_firmware_header_v1_0 *hdr; enum dmub_asic dmub_asic; enum dmub_status status; + static enum dmub_window_memory_type window_memory_type[DMUB_WINDOW_TOTAL] = { + DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_0_INST_CONST + DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_1_STACK + DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_2_BSS_DATA + DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_3_VBIOS + DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_4_MAILBOX + DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_5_TRACEBUFF + DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_6_FW_STATE + DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_7_SCRATCH_MEM + DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_SHARED_STATE + }; int r; switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) { @@ -2211,7 +2219,7 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev) adev->dm.dmub_fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes) + PSP_HEADER_BYTES; - region_params.is_mailbox_in_inbox = false; + region_params.window_memory_type = window_memory_type; status = dmub_srv_calc_region_info(dmub_srv, ®ion_params, ®ion_info); @@ -2239,6 +2247,7 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev) memory_params.cpu_fb_addr = adev->dm.dmub_bo_cpu_addr; memory_params.gpu_fb_addr = adev->dm.dmub_bo_gpu_addr; memory_params.region_info = ®ion_info; + memory_params.window_memory_type = window_memory_type; adev->dm.dmub_fb_info = kzalloc(sizeof(*adev->dm.dmub_fb_info), GFP_KERNEL); @@ -2280,6 +2289,7 @@ static int dm_sw_fini(void *handle) if (adev->dm.dmub_srv) { dmub_srv_destroy(adev->dm.dmub_srv); + kfree(adev->dm.dmub_srv); adev->dm.dmub_srv = NULL; } @@ -3529,6 +3539,14 @@ static void register_hpd_handlers(struct amdgpu_device *adev) int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT; int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT; + if (dc_is_dmub_outbox_supported(adev->dm.dc)) { + if (!register_dmub_notify_callback(adev, DMUB_NOTIFICATION_HPD, dmub_hpd_callback, true)) + DRM_ERROR("amdgpu: fail to register dmub hpd callback"); + + if (!register_dmub_notify_callback(adev, DMUB_NOTIFICATION_HPD_IRQ, dmub_hpd_callback, true)) + DRM_ERROR("amdgpu: fail to register dmub hpd callback"); + } + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { @@ -3557,10 +3575,6 @@ static void register_hpd_handlers(struct amdgpu_device *adev) handle_hpd_rx_irq, (void *) aconnector); } - - if (adev->dm.hpd_rx_offload_wq) - adev->dm.hpd_rx_offload_wq[connector->index].aconnector = - aconnector; } } @@ -4392,6 +4406,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) enum dc_connection_type new_connection_type = dc_connection_none; const struct dc_plane_cap *plane; bool psr_feature_enabled = false; + bool replay_feature_enabled = false; int max_overlay = dm->dc->caps.max_slave_planes; dm->display_indexes_num = dm->dc->caps.max_streams; @@ -4503,6 +4518,23 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) } } + /* Determine whether to enable Replay support by default. */ + if (!(amdgpu_dc_debug_mask & DC_DISABLE_REPLAY)) { + switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) { + case IP_VERSION(3, 1, 4): + case IP_VERSION(3, 1, 5): + case IP_VERSION(3, 1, 6): + case IP_VERSION(3, 2, 0): + case IP_VERSION(3, 2, 1): + case IP_VERSION(3, 5, 0): + replay_feature_enabled = true; + break; + default: + replay_feature_enabled = amdgpu_dc_feature_mask & DC_REPLAY_MASK; + break; + } + } + /* loops over all connectors on the board */ for (i = 0; i < link_cnt; i++) { struct dc_link *link = NULL; @@ -4554,6 +4586,10 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) goto fail; } + if (dm->hpd_rx_offload_wq) + dm->hpd_rx_offload_wq[aconnector->base.index].aconnector = + aconnector; + if (!dc_link_detect_connection_type(link, &new_connection_type)) DRM_ERROR("KMS: Failed to detect connector\n"); @@ -4571,6 +4607,11 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) amdgpu_dm_update_connector_after_detect(aconnector); setup_backlight_device(dm, aconnector); + /* Disable PSR if Replay can be enabled */ + if (replay_feature_enabled) + if (amdgpu_dm_set_replay_caps(link, aconnector)) + psr_feature_enabled = false; + if (psr_feature_enabled) amdgpu_dm_set_psr_caps(link); @@ -5212,6 +5253,7 @@ static void fill_dc_dirty_rects(struct drm_plane *plane, struct drm_plane_state *new_plane_state, struct drm_crtc_state *crtc_state, struct dc_flip_addrs *flip_addrs, + bool is_psr_su, bool *dirty_regions_changed) { struct dm_crtc_state *dm_crtc_state = to_dm_crtc_state(crtc_state); @@ -5236,6 +5278,10 @@ static void fill_dc_dirty_rects(struct drm_plane *plane, num_clips = drm_plane_get_damage_clips_count(new_plane_state); clips = drm_plane_get_damage_clips(new_plane_state); + if (num_clips && (!amdgpu_damage_clips || (amdgpu_damage_clips < 0 && + is_psr_su))) + goto ffu; + if (!dm_crtc_state->mpo_requested) { if (!num_clips || num_clips > DC_MAX_DIRTY_RECTS) goto ffu; @@ -6187,7 +6233,9 @@ create_stream_for_sink(struct drm_connector *connector, if (recalculate_timing) { freesync_mode = get_highest_refresh_rate_mode(aconnector, false); drm_mode_copy(&saved_mode, &mode); + saved_mode.picture_aspect_ratio = mode.picture_aspect_ratio; drm_mode_copy(&mode, freesync_mode); + mode.picture_aspect_ratio = saved_mode.picture_aspect_ratio; } else { decide_crtc_timing_for_drm_display_mode( &mode, preferred_mode, scale); @@ -6395,10 +6443,82 @@ int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector, return ret; } +/** + * DOC: panel power savings + * + * The display manager allows you to set your desired **panel power savings** + * level (between 0-4, with 0 representing off), e.g. using the following:: + * + * # echo 3 > /sys/class/drm/card0-eDP-1/amdgpu/panel_power_savings + * + * Modifying this value can have implications on color accuracy, so tread + * carefully. + */ + +static ssize_t panel_power_savings_show(struct device *device, + struct device_attribute *attr, + char *buf) +{ + struct drm_connector *connector = dev_get_drvdata(device); + struct drm_device *dev = connector->dev; + u8 val; + + drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); + val = to_dm_connector_state(connector->state)->abm_level == + ABM_LEVEL_IMMEDIATE_DISABLE ? 0 : + to_dm_connector_state(connector->state)->abm_level; + drm_modeset_unlock(&dev->mode_config.connection_mutex); + + return sysfs_emit(buf, "%u\n", val); +} + +static ssize_t panel_power_savings_store(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct drm_connector *connector = dev_get_drvdata(device); + struct drm_device *dev = connector->dev; + long val; + int ret; + + ret = kstrtol(buf, 0, &val); + + if (ret) + return ret; + + if (val < 0 || val > 4) + return -EINVAL; + + drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); + to_dm_connector_state(connector->state)->abm_level = val ?: + ABM_LEVEL_IMMEDIATE_DISABLE; + drm_modeset_unlock(&dev->mode_config.connection_mutex); + + drm_kms_helper_hotplug_event(dev); + + return count; +} + +static DEVICE_ATTR_RW(panel_power_savings); + +static struct attribute *amdgpu_attrs[] = { + &dev_attr_panel_power_savings.attr, + NULL +}; + +static const struct attribute_group amdgpu_group = { + .name = "amdgpu", + .attrs = amdgpu_attrs +}; + static void amdgpu_dm_connector_unregister(struct drm_connector *connector) { struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector); + if (connector->connector_type == DRM_MODE_CONNECTOR_eDP && + amdgpu_dm_abm_level < 0) + sysfs_remove_group(&connector->kdev->kobj, &amdgpu_group); + drm_dp_aux_unregister(&amdgpu_dm_connector->dm_dp_aux.aux); } @@ -6460,9 +6580,12 @@ void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector) state->vcpi_slots = 0; state->pbn = 0; - if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) - state->abm_level = amdgpu_dm_abm_level ?: - ABM_LEVEL_IMMEDIATE_DISABLE; + if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { + if (amdgpu_dm_abm_level <= 0) + state->abm_level = ABM_LEVEL_IMMEDIATE_DISABLE; + else + state->abm_level = amdgpu_dm_abm_level; + } __drm_atomic_helper_connector_reset(connector, &state->base); } @@ -6500,6 +6623,14 @@ amdgpu_dm_connector_late_register(struct drm_connector *connector) to_amdgpu_dm_connector(connector); int r; + if (connector->connector_type == DRM_MODE_CONNECTOR_eDP && + amdgpu_dm_abm_level < 0) { + r = sysfs_create_group(&connector->kdev->kobj, + &amdgpu_group); + if (r) + return r; + } + amdgpu_dm_register_backlight_device(amdgpu_dm_connector); if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) || @@ -6520,10 +6651,15 @@ amdgpu_dm_connector_late_register(struct drm_connector *connector) static void amdgpu_dm_connector_funcs_force(struct drm_connector *connector) { struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); - struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); struct dc_link *dc_link = aconnector->dc_link; struct dc_sink *dc_em_sink = aconnector->dc_em_sink; struct edid *edid; + struct i2c_adapter *ddc; + + if (dc_link->aux_mode) + ddc = &aconnector->dm_dp_aux.aux.ddc; + else + ddc = &aconnector->i2c->base; /* * Note: drm_get_edid gets edid in the following order: @@ -6531,7 +6667,7 @@ static void amdgpu_dm_connector_funcs_force(struct drm_connector *connector) * 2) firmware EDID if set via edid_firmware module parameter * 3) regular DDC read. */ - edid = drm_get_edid(connector, &amdgpu_connector->ddc_bus->aux.ddc); + edid = drm_get_edid(connector, ddc); if (!edid) { DRM_ERROR("No EDID found on connector: %s.\n", connector->name); return; @@ -6572,12 +6708,18 @@ static int get_modes(struct drm_connector *connector) static void create_eml_sink(struct amdgpu_dm_connector *aconnector) { struct drm_connector *connector = &aconnector->base; - struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(&aconnector->base); + struct dc_link *dc_link = aconnector->dc_link; struct dc_sink_init_data init_params = { .link = aconnector->dc_link, .sink_signal = SIGNAL_TYPE_VIRTUAL }; struct edid *edid; + struct i2c_adapter *ddc; + + if (dc_link->aux_mode) + ddc = &aconnector->dm_dp_aux.aux.ddc; + else + ddc = &aconnector->i2c->base; /* * Note: drm_get_edid gets edid in the following order: @@ -6585,7 +6727,7 @@ static void create_eml_sink(struct amdgpu_dm_connector *aconnector) * 2) firmware EDID if set via edid_firmware module parameter * 3) regular DDC read. */ - edid = drm_get_edid(connector, &amdgpu_connector->ddc_bus->aux.ddc); + edid = drm_get_edid(connector, ddc); if (!edid) { DRM_ERROR("No EDID found on connector: %s.\n", connector->name); return; @@ -7523,7 +7665,8 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, aconnector->base.state->max_requested_bpc = aconnector->base.state->max_bpc; if (connector_type == DRM_MODE_CONNECTOR_eDP && - (dc_is_dmcu_initialized(adev->dm.dc) || adev->dm.dc->ctx->dmub_srv)) { + (dc_is_dmcu_initialized(adev->dm.dc) || + adev->dm.dc->ctx->dmub_srv) && amdgpu_dm_abm_level < 0) { drm_object_attach_property(&aconnector->base.base, adev->mode_info.abm_level_property, 0); } @@ -8291,6 +8434,8 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, fill_dc_dirty_rects(plane, old_plane_state, new_plane_state, new_crtc_state, &bundle->flip_addrs[planes_count], + acrtc_state->stream->link->psr_settings.psr_version == + DC_PSR_VERSION_SU_1, &dirty_rects_changed); /* @@ -8519,10 +8664,22 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, dm_update_pflip_irq_state(drm_to_adev(dev), acrtc_attach); - if ((acrtc_state->update_type > UPDATE_TYPE_FAST) && - acrtc_state->stream->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED && - !acrtc_state->stream->link->psr_settings.psr_feature_enabled) - amdgpu_dm_link_setup_psr(acrtc_state->stream); + if (acrtc_state->update_type > UPDATE_TYPE_FAST) { + if (acrtc_state->stream->link->replay_settings.config.replay_supported && + !acrtc_state->stream->link->replay_settings.replay_feature_enabled) { + struct amdgpu_dm_connector *aconn = + (struct amdgpu_dm_connector *)acrtc_state->stream->dm_stream_context; + amdgpu_dm_link_setup_replay(acrtc_state->stream->link, aconn); + } else if (acrtc_state->stream->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED && + !acrtc_state->stream->link->psr_settings.psr_feature_enabled) { + + struct amdgpu_dm_connector *aconn = (struct amdgpu_dm_connector *) + acrtc_state->stream->dm_stream_context; + + if (!aconn->disallow_edp_enter_psr) + amdgpu_dm_link_setup_psr(acrtc_state->stream); + } + } /* Decrement skip count when PSR is enabled and we're doing fast updates. */ if (acrtc_state->update_type == UPDATE_TYPE_FAST && @@ -8549,6 +8706,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, !amdgpu_dm_crc_window_is_activated(acrtc_state->base.crtc) && #endif !acrtc_state->stream->link->psr_settings.psr_allow_active && + !aconn->disallow_edp_enter_psr && (timestamp_ns - acrtc_state->stream->link->psr_settings.psr_dirty_rects_change_timestamp_ns) > 500000000) @@ -8811,11 +8969,12 @@ static void amdgpu_dm_commit_streams(struct drm_atomic_state *state, } } /* for_each_crtc_in_state() */ - /* if there mode set or reset, disable eDP PSR */ + /* if there mode set or reset, disable eDP PSR, Replay */ if (mode_set_reset_required) { if (dm->vblank_control_workqueue) flush_workqueue(dm->vblank_control_workqueue); + amdgpu_dm_replay_disable_all(dm); amdgpu_dm_psr_disable_all(dm); } @@ -8976,16 +9135,8 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) trace_amdgpu_dm_atomic_commit_tail_begin(state); - if (dm->dc->caps.ips_support) { - for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) { - if (new_con_state->crtc && - new_con_state->crtc->state->active && - drm_atomic_crtc_needs_modeset(new_con_state->crtc->state)) { - dc_dmub_srv_apply_idle_power_optimizations(dm->dc, false); - break; - } - } - } + if (dm->dc->caps.ips_support && dm->dc->idle_optimizations_allowed) + dc_allow_idle_optimizations(dm->dc, false); drm_atomic_helper_update_legacy_modeset_state(dev, state); drm_dp_mst_atomic_wait_for_dependencies(state); @@ -9188,6 +9339,10 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) * To fix this, DC should permit updating only stream properties. */ dummy_updates = kzalloc(sizeof(struct dc_surface_update) * MAX_SURFACES, GFP_ATOMIC); + if (!dummy_updates) { + DRM_ERROR("Failed to allocate memory for dummy_updates.\n"); + continue; + } for (j = 0; j < status->plane_count; j++) dummy_updates[j].surface = status->plane_states[0]; @@ -10728,11 +10883,13 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, goto fail; } - ret = compute_mst_dsc_configs_for_state(state, dm_state->context, vars); - if (ret) { - DRM_DEBUG_DRIVER("compute_mst_dsc_configs_for_state() failed\n"); - ret = -EINVAL; - goto fail; + if (dc_resource_is_dsc_encoding_supported(dc)) { + ret = compute_mst_dsc_configs_for_state(state, dm_state->context, vars); + if (ret) { + DRM_DEBUG_DRIVER("compute_mst_dsc_configs_for_state() failed\n"); + ret = -EINVAL; + goto fail; + } } ret = dm_update_mst_vcpi_slots_for_dsc(state, dm_state->context, vars); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index 9c1871b866cc..09519b7abf67 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -693,6 +693,7 @@ struct amdgpu_dm_connector { struct drm_display_mode freesync_vid_base; int psr_skip_count; + bool disallow_edp_enter_psr; /* Record progress status of mst*/ uint8_t mst_status; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c index 6e715ef3a556..e23a0a276e33 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c @@ -29,6 +29,7 @@ #include "dc.h" #include "amdgpu.h" #include "amdgpu_dm_psr.h" +#include "amdgpu_dm_replay.h" #include "amdgpu_dm_crtc.h" #include "amdgpu_dm_plane.h" #include "amdgpu_dm_trace.h" @@ -95,6 +96,61 @@ bool amdgpu_dm_crtc_vrr_active(struct dm_crtc_state *dm_state) dm_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED; } +/** + * amdgpu_dm_crtc_set_panel_sr_feature() - Manage panel self-refresh features. + * + * @vblank_work: is a pointer to a struct vblank_control_work object. + * @vblank_enabled: indicates whether the DRM vblank counter is currently + * enabled (true) or disabled (false). + * @allow_sr_entry: represents whether entry into the self-refresh mode is + * allowed (true) or not allowed (false). + * + * The DRM vblank counter enable/disable action is used as the trigger to enable + * or disable various panel self-refresh features: + * + * Panel Replay and PSR SU + * - Enable when: + * - vblank counter is disabled + * - entry is allowed: usermode demonstrates an adequate number of fast + * commits) + * - CRC capture window isn't active + * - Keep enabled even when vblank counter gets enabled + * + * PSR1 + * - Enable condition same as above + * - Disable when vblank counter is enabled + */ +static void amdgpu_dm_crtc_set_panel_sr_feature( + struct vblank_control_work *vblank_work, + bool vblank_enabled, bool allow_sr_entry) +{ + struct dc_link *link = vblank_work->stream->link; + bool is_sr_active = (link->replay_settings.replay_allow_active || + link->psr_settings.psr_allow_active); + bool is_crc_window_active = false; + +#ifdef CONFIG_DRM_AMD_SECURE_DISPLAY + is_crc_window_active = + amdgpu_dm_crc_window_is_activated(&vblank_work->acrtc->base); +#endif + + if (link->replay_settings.replay_feature_enabled && + allow_sr_entry && !is_sr_active && !is_crc_window_active) { + amdgpu_dm_replay_enable(vblank_work->stream, true); + } else if (vblank_enabled) { + if (link->psr_settings.psr_version < DC_PSR_VERSION_SU_1 && is_sr_active) + amdgpu_dm_psr_disable(vblank_work->stream); + } else if (link->psr_settings.psr_feature_enabled && + allow_sr_entry && !is_sr_active && !is_crc_window_active) { + + struct amdgpu_dm_connector *aconn = + (struct amdgpu_dm_connector *) vblank_work->stream->dm_stream_context; + + if (!aconn->disallow_edp_enter_psr) + amdgpu_dm_psr_enable(vblank_work->stream); + } +} + static void amdgpu_dm_crtc_vblank_control_worker(struct work_struct *work) { struct vblank_control_work *vblank_work = @@ -123,18 +179,10 @@ static void amdgpu_dm_crtc_vblank_control_worker(struct work_struct *work) * fill_dc_dirty_rects(). */ if (vblank_work->stream && vblank_work->stream->link) { - if (vblank_work->enable) { - if (vblank_work->stream->link->psr_settings.psr_version < DC_PSR_VERSION_SU_1 && - vblank_work->stream->link->psr_settings.psr_allow_active) - amdgpu_dm_psr_disable(vblank_work->stream); - } else if (vblank_work->stream->link->psr_settings.psr_feature_enabled && - !vblank_work->stream->link->psr_settings.psr_allow_active && -#ifdef CONFIG_DRM_AMD_SECURE_DISPLAY - !amdgpu_dm_crc_window_is_activated(&vblank_work->acrtc->base) && -#endif - vblank_work->acrtc->dm_irq_params.allow_psr_entry) { - amdgpu_dm_psr_enable(vblank_work->stream); - } + amdgpu_dm_crtc_set_panel_sr_feature( + vblank_work, vblank_work->enable, + vblank_work->acrtc->dm_irq_params.allow_psr_entry || + vblank_work->stream->link->replay_settings.replay_feature_enabled); } mutex_unlock(&dm->dc_lock); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index 68a846323912..eee4945653e2 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -1483,7 +1483,7 @@ static ssize_t dp_dsc_clock_en_read(struct file *f, char __user *buf, const uint32_t rd_buf_size = 10; struct pipe_ctx *pipe_ctx; ssize_t result = 0; - int i, r, str_len = 30; + int i, r, str_len = 10; rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL); @@ -2971,6 +2971,53 @@ static int allow_edp_hotplug_detection_set(void *data, u64 val) return 0; } +/* check if kernel disallow eDP enter psr state + * cat /sys/kernel/debug/dri/0/eDP-X/disallow_edp_enter_psr + * 0: allow edp enter psr; 1: disallow + */ +static int disallow_edp_enter_psr_get(void *data, u64 *val) +{ + struct amdgpu_dm_connector *aconnector = data; + + *val = (u64) aconnector->disallow_edp_enter_psr; + return 0; +} + +/* set kernel disallow eDP enter psr state + * echo 0x0 /sys/kernel/debug/dri/0/eDP-X/disallow_edp_enter_psr + * 0: allow edp enter psr; 1: disallow + * + * usage: test app read crc from PSR eDP rx. + * + * during kernel boot up, kernel write dpcd 0x170 = 5. + * this notify eDP rx psr enable and let rx check crc. + * rx fw will start checking crc for rx internal logic. + * crc read count within dpcd 0x246 is not updated and + * value is 0. when eDP tx driver wants to read rx crc + * from dpcd 0x246, 0x270, read count 0 lead tx driver + * timeout. + * + * to avoid this, we add this debugfs to let test app to disbable + * rx crc checking for rx internal logic. then test app can read + * non-zero crc read count. + * + * expected app sequence is as below: + * 1. disable eDP PHY and notify eDP rx with dpcd 0x600 = 2. + * 2. echo 0x1 /sys/kernel/debug/dri/0/eDP-X/disallow_edp_enter_psr + * 3. enable eDP PHY and notify eDP rx with dpcd 0x600 = 1 but + * without dpcd 0x170 = 5. + * 4. read crc from rx dpcd 0x270, 0x246, etc. + * 5. echo 0x0 /sys/kernel/debug/dri/0/eDP-X/disallow_edp_enter_psr. + * this will let eDP back to normal with psr setup dpcd 0x170 = 5. + */ +static int disallow_edp_enter_psr_set(void *data, u64 val) +{ + struct amdgpu_dm_connector *aconnector = data; + + aconnector->disallow_edp_enter_psr = val ? true : false; + return 0; +} + static int dmub_trace_mask_set(void *data, u64 val) { struct amdgpu_device *adev = data; @@ -3092,6 +3139,10 @@ DEFINE_DEBUGFS_ATTRIBUTE(allow_edp_hotplug_detection_fops, allow_edp_hotplug_detection_get, allow_edp_hotplug_detection_set, "%llu\n"); +DEFINE_DEBUGFS_ATTRIBUTE(disallow_edp_enter_psr_fops, + disallow_edp_enter_psr_get, + disallow_edp_enter_psr_set, "%llu\n"); + DEFINE_SHOW_ATTRIBUTE(current_backlight); DEFINE_SHOW_ATTRIBUTE(target_backlight); @@ -3265,6 +3316,8 @@ void connector_debugfs_init(struct amdgpu_dm_connector *connector) &edp_ilr_debugfs_fops); debugfs_create_file("allow_edp_hotplug_detection", 0644, dir, connector, &allow_edp_hotplug_detection_fops); + debugfs_create_file("disallow_edp_enter_psr", 0644, dir, connector, + &disallow_edp_enter_psr_fops); } for (i = 0; i < ARRAY_SIZE(connector_debugfs_entries); i++) { diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c index 58b880acb087..3390f0d8420a 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c @@ -711,7 +711,7 @@ static inline int dm_irq_state(struct amdgpu_device *adev, { bool st; enum dc_irq_source irq_source; - + struct dc *dc = adev->dm.dc; struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc_id]; if (!acrtc) { @@ -729,6 +729,9 @@ static inline int dm_irq_state(struct amdgpu_device *adev, st = (state == AMDGPU_IRQ_STATE_ENABLE); + if (dc && dc->caps.ips_support && dc->idle_optimizations_allowed) + dc_allow_idle_optimizations(dc, false); + dc_interrupt_set(adev->dm.dc, irq_source, st); return 0; } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_replay.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_replay.c index 5ce542b1f860..738a58eebba7 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_replay.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_replay.c @@ -60,21 +60,26 @@ static bool link_supports_replay(struct dc_link *link, struct amdgpu_dm_connecto if (!as_caps->dp_adap_sync_caps.bits.ADAPTIVE_SYNC_SDP_SUPPORT) return false; + // Sink shall populate line deviation information + if (dpcd_caps->pr_info.pixel_deviation_per_line == 0 || + dpcd_caps->pr_info.max_deviation_line == 0) + return false; + return true; } /* - * amdgpu_dm_setup_replay() - setup replay configuration + * amdgpu_dm_set_replay_caps() - setup Replay capabilities * @link: link * @aconnector: aconnector * */ -bool amdgpu_dm_setup_replay(struct dc_link *link, struct amdgpu_dm_connector *aconnector) +bool amdgpu_dm_set_replay_caps(struct dc_link *link, struct amdgpu_dm_connector *aconnector) { - struct replay_config pr_config; + struct replay_config pr_config = { 0 }; union replay_debug_flags *debug_flags = NULL; - // For eDP, if Replay is supported, return true to skip checks + // If Replay is already set to support, return true to skip checks if (link->replay_settings.config.replay_supported) return true; @@ -87,27 +92,50 @@ bool amdgpu_dm_setup_replay(struct dc_link *link, struct amdgpu_dm_connector *ac if (!link_supports_replay(link, aconnector)) return false; - // Mark Replay is supported in link and update related attributes + // Mark Replay is supported in pr_config pr_config.replay_supported = true; - pr_config.replay_power_opt_supported = 0; - pr_config.replay_enable_option |= pr_enable_option_static_screen; - pr_config.replay_timing_sync_supported = aconnector->max_vfreq >= 2 * aconnector->min_vfreq; - - if (!pr_config.replay_timing_sync_supported) - pr_config.replay_enable_option &= ~pr_enable_option_general_ui; debug_flags = (union replay_debug_flags *)&pr_config.debug_flags; debug_flags->u32All = 0; debug_flags->bitfields.visual_confirm = link->ctx->dc->debug.visual_confirm == VISUAL_CONFIRM_REPLAY; - link->replay_settings.replay_feature_enabled = true; - init_replay_config(link, &pr_config); return true; } +/* + * amdgpu_dm_link_setup_replay() - configure replay link + * @link: link + * @aconnector: aconnector + * + */ +bool amdgpu_dm_link_setup_replay(struct dc_link *link, struct amdgpu_dm_connector *aconnector) +{ + struct replay_config *pr_config; + + if (link == NULL || aconnector == NULL) + return false; + + pr_config = &link->replay_settings.config; + + if (!pr_config->replay_supported) + return false; + + pr_config->replay_power_opt_supported = 0x11; + pr_config->replay_smu_opt_supported = false; + pr_config->replay_enable_option |= pr_enable_option_static_screen; + pr_config->replay_support_fast_resync_in_ultra_sleep_mode = aconnector->max_vfreq >= 2 * aconnector->min_vfreq; + pr_config->replay_timing_sync_supported = false; + + if (!pr_config->replay_timing_sync_supported) + pr_config->replay_enable_option &= ~pr_enable_option_general_ui; + + link->replay_settings.replay_feature_enabled = true; + + return true; +} /* * amdgpu_dm_replay_enable() - enable replay f/w @@ -117,51 +145,23 @@ bool amdgpu_dm_setup_replay(struct dc_link *link, struct amdgpu_dm_connector *ac */ bool amdgpu_dm_replay_enable(struct dc_stream_state *stream, bool wait) { - uint64_t state; - unsigned int retry_count; bool replay_active = true; - const unsigned int max_retry = 1000; - bool force_static = true; struct dc_link *link = NULL; - if (stream == NULL) return false; link = stream->link; - if (link == NULL) - return false; - - link->dc->link_srv->edp_setup_replay(link, stream); - - link->dc->link_srv->edp_set_replay_allow_active(link, NULL, false, false, NULL); - - link->dc->link_srv->edp_set_replay_allow_active(link, &replay_active, false, true, NULL); - - if (wait == true) { - - for (retry_count = 0; retry_count <= max_retry; retry_count++) { - dc_link_get_replay_state(link, &state); - if (replay_active) { - if (state != REPLAY_STATE_0 && - (!force_static || state == REPLAY_STATE_3)) - break; - } else { - if (state == REPLAY_STATE_0) - break; - } - udelay(500); - } - - /* assert if max retry hit */ - if (retry_count >= max_retry) - ASSERT(0); - } else { - /* To-do: Add trace log */ + if (link) { + link->dc->link_srv->edp_setup_replay(link, stream); + link->dc->link_srv->edp_set_coasting_vtotal(link, stream->timing.v_total); + DRM_DEBUG_DRIVER("Enabling replay...\n"); + link->dc->link_srv->edp_set_replay_allow_active(link, &replay_active, wait, false, NULL); + return true; } - return true; + return false; } /* @@ -172,12 +172,31 @@ bool amdgpu_dm_replay_enable(struct dc_stream_state *stream, bool wait) */ bool amdgpu_dm_replay_disable(struct dc_stream_state *stream) { + bool replay_active = false; + struct dc_link *link = NULL; - if (stream->link) { + if (stream == NULL) + return false; + + link = stream->link; + + if (link) { DRM_DEBUG_DRIVER("Disabling replay...\n"); - stream->link->dc->link_srv->edp_set_replay_allow_active(stream->link, NULL, false, false, NULL); + link->dc->link_srv->edp_set_replay_allow_active(stream->link, &replay_active, true, false, NULL); return true; } return false; } + +/* + * amdgpu_dm_replay_disable_all() - disable replay f/w + * if replay is enabled on any stream + * + * Return: true if success + */ +bool amdgpu_dm_replay_disable_all(struct amdgpu_display_manager *dm) +{ + DRM_DEBUG_DRIVER("Disabling replay if replay is enabled on any stream\n"); + return dc_set_replay_allow_active(dm->dc, false); +} diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_replay.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_replay.h index 01cba3cd6246..f0d30eb47312 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_replay.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_replay.h @@ -40,7 +40,9 @@ enum replay_enable_option { bool amdgpu_dm_replay_enable(struct dc_stream_state *stream, bool enable); -bool amdgpu_dm_setup_replay(struct dc_link *link, struct amdgpu_dm_connector *aconnector); +bool amdgpu_dm_set_replay_caps(struct dc_link *link, struct amdgpu_dm_connector *aconnector); +bool amdgpu_dm_link_setup_replay(struct dc_link *link, struct amdgpu_dm_connector *aconnector); bool amdgpu_dm_replay_disable(struct dc_stream_state *stream); +bool amdgpu_dm_replay_disable_all(struct amdgpu_display_manager *dm); #endif /* AMDGPU_DM_AMDGPU_DM_REPLAY_H_ */ |