diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hotplug.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hotplug.c | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index b12900446828..69a83dcc1996 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -27,6 +27,7 @@ #include "i915_irq.h" #include "intel_display_types.h" #include "intel_hotplug.h" +#include "intel_hotplug_irq.h" /** * DOC: Hotplug @@ -210,8 +211,9 @@ intel_hpd_irq_storm_switch_to_polling(struct drm_i915_private *dev_priv) /* Enable polling and queue hotplug re-enabling. */ if (hpd_disabled) { - drm_kms_helper_poll_enable(&dev_priv->drm); - mod_delayed_work(system_wq, &dev_priv->display.hotplug.reenable_work, + drm_kms_helper_poll_reschedule(&dev_priv->drm); + mod_delayed_work(dev_priv->unordered_wq, + &dev_priv->display.hotplug.reenable_work, msecs_to_jiffies(HPD_STORM_REENABLE_DELAY)); } } @@ -338,7 +340,8 @@ static void i915_digport_work_func(struct work_struct *work) spin_lock_irq(&dev_priv->irq_lock); dev_priv->display.hotplug.event_bits |= old_bits; spin_unlock_irq(&dev_priv->irq_lock); - queue_delayed_work(system_wq, &dev_priv->display.hotplug.hotplug_work, 0); + queue_delayed_work(dev_priv->unordered_wq, + &dev_priv->display.hotplug.hotplug_work, 0); } } @@ -373,6 +376,8 @@ static void i915_hotplug_work_func(struct work_struct *work) u32 changed = 0, retry = 0; u32 hpd_event_bits; u32 hpd_retry_bits; + struct drm_connector *first_changed_connector = NULL; + int changed_connectors = 0; mutex_lock(&dev_priv->drm.mode_config.mutex); drm_dbg_kms(&dev_priv->drm, "running encoder hotplug functions\n"); @@ -425,6 +430,11 @@ static void i915_hotplug_work_func(struct work_struct *work) break; case INTEL_HOTPLUG_CHANGED: changed |= hpd_bit; + changed_connectors++; + if (!first_changed_connector) { + drm_connector_get(&connector->base); + first_changed_connector = &connector->base; + } break; case INTEL_HOTPLUG_RETRY: retry |= hpd_bit; @@ -435,9 +445,14 @@ static void i915_hotplug_work_func(struct work_struct *work) drm_connector_list_iter_end(&conn_iter); mutex_unlock(&dev_priv->drm.mode_config.mutex); - if (changed) + if (changed_connectors == 1) + drm_kms_helper_connector_hotplug_event(first_changed_connector); + else if (changed_connectors > 0) drm_kms_helper_hotplug_event(&dev_priv->drm); + if (first_changed_connector) + drm_connector_put(first_changed_connector); + /* Remove shared HPD pins that have changed */ retry &= ~changed; if (retry) { @@ -445,7 +460,8 @@ static void i915_hotplug_work_func(struct work_struct *work) dev_priv->display.hotplug.retry_bits |= retry; spin_unlock_irq(&dev_priv->irq_lock); - mod_delayed_work(system_wq, &dev_priv->display.hotplug.hotplug_work, + mod_delayed_work(dev_priv->unordered_wq, + &dev_priv->display.hotplug.hotplug_work, msecs_to_jiffies(HPD_RETRY_DELAY)); } } @@ -576,7 +592,8 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv, if (queue_dig) queue_work(dev_priv->display.hotplug.dp_wq, &dev_priv->display.hotplug.dig_port_work); if (queue_hp) - queue_delayed_work(system_wq, &dev_priv->display.hotplug.hotplug_work, 0); + queue_delayed_work(dev_priv->unordered_wq, + &dev_priv->display.hotplug.hotplug_work, 0); } /** @@ -644,7 +661,7 @@ static void i915_hpd_poll_init_work(struct work_struct *work) drm_connector_list_iter_end(&conn_iter); if (enabled) - drm_kms_helper_poll_enable(&dev_priv->drm); + drm_kms_helper_poll_reschedule(&dev_priv->drm); mutex_unlock(&dev_priv->drm.mode_config.mutex); @@ -686,7 +703,8 @@ void intel_hpd_poll_enable(struct drm_i915_private *dev_priv) * As well, there's no issue if we race here since we always reschedule * this worker anyway */ - schedule_work(&dev_priv->display.hotplug.poll_init_work); + queue_work(dev_priv->unordered_wq, + &dev_priv->display.hotplug.poll_init_work); } /** @@ -714,7 +732,8 @@ void intel_hpd_poll_disable(struct drm_i915_private *dev_priv) return; WRITE_ONCE(dev_priv->display.hotplug.poll_enabled, false); - schedule_work(&dev_priv->display.hotplug.poll_init_work); + queue_work(dev_priv->unordered_wq, + &dev_priv->display.hotplug.poll_init_work); } void intel_hpd_init_early(struct drm_i915_private *i915) |