diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dp/dp_display.c')
-rw-r--r-- | drivers/gpu/drm/msm/dp/dp_display.c | 128 |
1 files changed, 31 insertions, 97 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 3e13acdfa7e5..76f13954015b 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -14,7 +14,6 @@ #include "msm_drv.h" #include "msm_kms.h" -#include "dp_hpd.h" #include "dp_parser.h" #include "dp_power.h" #include "dp_catalog.h" @@ -28,6 +27,10 @@ #include "dp_audio.h" #include "dp_debug.h" +static bool psr_enabled = false; +module_param(psr_enabled, bool, 0); +MODULE_PARM_DESC(psr_enabled, "enable PSR for eDP and DP displays"); + #define HPD_STRING_SIZE 30 enum { @@ -88,7 +91,6 @@ struct dp_display_private { struct platform_device *pdev; struct dentry *root; - struct dp_usbpd *usbpd; struct dp_parser *parser; struct dp_power *power; struct dp_catalog *catalog; @@ -98,7 +100,6 @@ struct dp_display_private { struct dp_ctrl *ctrl; struct dp_debug *debug; - struct dp_usbpd_cb usbpd_cb; struct dp_display_mode dp_mode; struct msm_dp dp_display; @@ -325,7 +326,10 @@ static void dp_display_unbind(struct device *dev, struct device *master, kthread_stop(dp->ev_tsk); + of_dp_aux_depopulate_bus(dp->aux); + dp_power_client_deinit(dp->power); + dp_unregister_audio_driver(dev, dp->audio); dp_aux_unregister(dp->aux); dp->drm_dev = NULL; dp->aux->drm_dev = NULL; @@ -406,7 +410,7 @@ static int dp_display_process_hpd_high(struct dp_display_private *dp) edid = dp->panel->edid; - dp->dp_display.psr_supported = dp->panel->psr_cap.version; + dp->dp_display.psr_supported = dp->panel->psr_cap.version && psr_enabled; dp->audio_supported = drm_detect_monitor_audio(edid); dp_panel_handle_sink_request(dp->panel); @@ -462,7 +466,7 @@ static void dp_display_host_init(struct dp_display_private *dp) dp->dp_display.connector_type, dp->core_initialized, dp->phy_initialized); - dp_power_init(dp->power, false); + dp_power_init(dp->power); dp_ctrl_reset_irq_ctrl(dp->ctrl, true); dp_aux_init(dp->aux); dp->core_initialized = true; @@ -489,11 +493,6 @@ static int dp_display_usbpd_configure_cb(struct device *dev) return dp_display_process_hpd_high(dp); } -static int dp_display_usbpd_disconnect_cb(struct device *dev) -{ - return 0; -} - static int dp_display_notify_disconnect(struct device *dev) { struct dp_display_private *dp = dev_get_dp_display_private(dev); @@ -578,13 +577,9 @@ static int dp_display_usbpd_attention_cb(struct device *dev) static int dp_hpd_plug_handle(struct dp_display_private *dp, u32 data) { - struct dp_usbpd *hpd = dp->usbpd; u32 state; int ret; - if (!hpd) - return 0; - mutex_lock(&dp->event_mutex); state = dp->hpd_state; @@ -615,12 +610,6 @@ static int dp_hpd_plug_handle(struct dp_display_private *dp, u32 data) dp->hpd_state = ST_MAINLINK_READY; } - /* enable HDP irq_hpd/replug interrupt */ - if (dp->dp_display.internal_hpd) - dp_catalog_hpd_config_intr(dp->catalog, - DP_DP_IRQ_HPD_INT_MASK | DP_DP_HPD_REPLUG_INT_MASK, - true); - drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n", dp->dp_display.connector_type, state); mutex_unlock(&dp->event_mutex); @@ -645,12 +634,8 @@ static void dp_display_handle_plugged_change(struct msm_dp *dp_display, static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data) { - struct dp_usbpd *hpd = dp->usbpd; u32 state; - if (!hpd) - return 0; - mutex_lock(&dp->event_mutex); state = dp->hpd_state; @@ -658,12 +643,6 @@ static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data) drm_dbg_dp(dp->drm_dev, "Before, type=%d hpd_state=%d\n", dp->dp_display.connector_type, state); - /* disable irq_hpd/replug interrupts */ - if (dp->dp_display.internal_hpd) - dp_catalog_hpd_config_intr(dp->catalog, - DP_DP_IRQ_HPD_INT_MASK | DP_DP_HPD_REPLUG_INT_MASK, - false); - /* unplugged, no more irq_hpd handle */ dp_del_event(dp, EV_IRQ_HPD_INT); @@ -687,10 +666,6 @@ static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data) return 0; } - /* disable HPD plug interrupts */ - if (dp->dp_display.internal_hpd) - dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_PLUG_INT_MASK, false); - /* * We don't need separate work for disconnect as * connect/attention interrupts are disabled @@ -706,10 +681,6 @@ static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data) /* signal the disconnect event early to ensure proper teardown */ dp_display_handle_plugged_change(&dp->dp_display, false); - /* enable HDP plug interrupt to prepare for next plugin */ - if (dp->dp_display.internal_hpd) - dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_PLUG_INT_MASK, true); - drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n", dp->dp_display.connector_type, state); @@ -763,24 +734,10 @@ static int dp_init_sub_modules(struct dp_display_private *dp) { int rc = 0; struct device *dev = &dp->pdev->dev; - struct dp_usbpd_cb *cb = &dp->usbpd_cb; struct dp_panel_in panel_in = { .dev = dev, }; - /* Callback APIs used for cable status change event */ - cb->configure = dp_display_usbpd_configure_cb; - cb->disconnect = dp_display_usbpd_disconnect_cb; - cb->attention = dp_display_usbpd_attention_cb; - - dp->usbpd = dp_hpd_get(dev, cb); - if (IS_ERR(dp->usbpd)) { - rc = PTR_ERR(dp->usbpd); - DRM_ERROR("failed to initialize hpd, rc = %d\n", rc); - dp->usbpd = NULL; - goto error; - } - dp->parser = dp_parser_get(dp->pdev); if (IS_ERR(dp->parser)) { rc = PTR_ERR(dp->parser); @@ -1082,26 +1039,6 @@ void msm_dp_snapshot(struct msm_disp_state *disp_state, struct msm_dp *dp) mutex_unlock(&dp_display->event_mutex); } -static void dp_display_config_hpd(struct dp_display_private *dp) -{ - - dp_display_host_init(dp); - dp_catalog_ctrl_hpd_config(dp->catalog); - - /* Enable plug and unplug interrupts only if requested */ - if (dp->dp_display.internal_hpd) - dp_catalog_hpd_config_intr(dp->catalog, - DP_DP_HPD_PLUG_INT_MASK | - DP_DP_HPD_UNPLUG_INT_MASK, - true); - - /* Enable interrupt first time - * we are leaving dp clocks on during disconnect - * and never disable interrupt - */ - enable_irq(dp->irq); -} - void dp_display_set_psr(struct msm_dp *dp_display, bool enter) { struct dp_display_private *dp; @@ -1176,7 +1113,7 @@ static int hpd_event_thread(void *data) switch (todo->event_id) { case EV_HPD_INIT_SETUP: - dp_display_config_hpd(dp_priv); + dp_display_host_init(dp_priv); break; case EV_HPD_PLUG_INT: dp_hpd_plug_handle(dp_priv, todo->data); @@ -1282,7 +1219,6 @@ int dp_display_request_irq(struct msm_dp *dp_display) dp->irq, rc); return rc; } - disable_irq(dp->irq); return 0; } @@ -1364,9 +1300,9 @@ static int dp_display_remove(struct platform_device *pdev) { struct dp_display_private *dp = dev_get_dp_display_private(&pdev->dev); + component_del(&pdev->dev, &dp_display_comp_ops); dp_display_deinit_sub_modules(dp); - component_del(&pdev->dev, &dp_display_comp_ops); platform_set_drvdata(pdev, NULL); return 0; @@ -1394,13 +1330,8 @@ static int dp_pm_resume(struct device *dev) /* turn on dp ctrl/phy */ dp_display_host_init(dp); - dp_catalog_ctrl_hpd_config(dp->catalog); - - if (dp->dp_display.internal_hpd) - dp_catalog_hpd_config_intr(dp->catalog, - DP_DP_HPD_PLUG_INT_MASK | - DP_DP_HPD_UNPLUG_INT_MASK, - true); + if (dp_display->is_edp) + dp_catalog_ctrl_hpd_enable(dp->catalog); if (dp_catalog_link_is_connected(dp->catalog)) { /* @@ -1540,7 +1471,7 @@ void msm_dp_debugfs_init(struct msm_dp *dp_display, struct drm_minor *minor) dp = container_of(dp_display, struct dp_display_private, dp_display); dev = &dp->pdev->dev; - dp->debug = dp_debug_get(dev, dp->panel, dp->usbpd, + dp->debug = dp_debug_get(dev, dp->panel, dp->link, dp->dp_display.connector, minor); if (IS_ERR(dp->debug)) { @@ -1550,11 +1481,6 @@ void msm_dp_debugfs_init(struct msm_dp *dp_display, struct drm_minor *minor) } } -static void of_dp_aux_depopulate_bus_void(void *data) -{ - of_dp_aux_depopulate_bus(data); -} - static int dp_display_get_next_bridge(struct msm_dp *dp) { int rc; @@ -1568,9 +1494,8 @@ static int dp_display_get_next_bridge(struct msm_dp *dp) if (aux_bus && dp->is_edp) { dp_display_host_init(dp_priv); - dp_catalog_ctrl_hpd_config(dp_priv->catalog); + dp_catalog_ctrl_hpd_enable(dp_priv->catalog); dp_display_host_phy_init(dp_priv); - enable_irq(dp_priv->irq); /* * The code below assumes that the panel will finish probing @@ -1583,12 +1508,6 @@ static int dp_display_get_next_bridge(struct msm_dp *dp) of_node_put(aux_bus); if (rc) goto error; - - rc = devm_add_action_or_reset(dp->drm_dev->dev, - of_dp_aux_depopulate_bus_void, - dp_priv->aux); - if (rc) - goto error; } else if (dp->is_edp) { DRM_ERROR("eDP aux_bus not found\n"); return -ENODEV; @@ -1612,7 +1531,7 @@ static int dp_display_get_next_bridge(struct msm_dp *dp) error: if (dp->is_edp) { - disable_irq(dp_priv->irq); + of_dp_aux_depopulate_bus(dp_priv->aux); dp_display_host_phy_exit(dp_priv); dp_display_host_deinit(dp_priv); } @@ -1801,16 +1720,31 @@ void dp_bridge_hpd_enable(struct drm_bridge *bridge) { struct msm_dp_bridge *dp_bridge = to_dp_bridge(bridge); struct msm_dp *dp_display = dp_bridge->dp_display; + struct dp_display_private *dp = container_of(dp_display, struct dp_display_private, dp_display); + + mutex_lock(&dp->event_mutex); + dp_catalog_ctrl_hpd_enable(dp->catalog); + + /* enable HDP interrupts */ + dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_INT_MASK, true); dp_display->internal_hpd = true; + mutex_unlock(&dp->event_mutex); } void dp_bridge_hpd_disable(struct drm_bridge *bridge) { struct msm_dp_bridge *dp_bridge = to_dp_bridge(bridge); struct msm_dp *dp_display = dp_bridge->dp_display; + struct dp_display_private *dp = container_of(dp_display, struct dp_display_private, dp_display); + + mutex_lock(&dp->event_mutex); + /* disable HDP interrupts */ + dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_INT_MASK, false); + dp_catalog_ctrl_hpd_disable(dp->catalog); dp_display->internal_hpd = false; + mutex_unlock(&dp->event_mutex); } void dp_bridge_hpd_notify(struct drm_bridge *bridge, |