diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 3b03f85ea627..9cbb0cd8f46a 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -306,12 +306,15 @@ static void i915_hotplug_work_func(struct work_struct *work) struct drm_mode_config *mode_config = &dev->mode_config; struct intel_encoder *encoder; + mutex_lock(&mode_config->mutex); DRM_DEBUG_KMS("running encoder hotplug functions\n"); list_for_each_entry(encoder, &mode_config->encoder_list, base.head) if (encoder->hot_plug) encoder->hot_plug(encoder); + mutex_unlock(&mode_config->mutex); + /* Just fire off a uevent and let userspace tell us what to do */ drm_helper_hpd_irq_event(dev); } @@ -361,10 +364,12 @@ static void notify_ring(struct drm_device *dev, ring->irq_seqno = seqno; wake_up_all(&ring->irq_queue); - - dev_priv->hangcheck_count = 0; - mod_timer(&dev_priv->hangcheck_timer, - jiffies + msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)); + if (i915_enable_hangcheck) { + dev_priv->hangcheck_count = 0; + mod_timer(&dev_priv->hangcheck_timer, + jiffies + + msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)); + } } static void gen6_pm_rps_work(struct work_struct *work) @@ -1664,6 +1669,9 @@ void i915_hangcheck_elapsed(unsigned long data) uint32_t acthd, instdone, instdone1; bool err = false; + if (!i915_enable_hangcheck) + return; + /* If all work is done then ACTHD clearly hasn't advanced. */ if (i915_hangcheck_ring_idle(&dev_priv->ring[RCS], &err) && i915_hangcheck_ring_idle(&dev_priv->ring[VCS], &err) && @@ -2050,8 +2058,10 @@ void intel_irq_init(struct drm_device *dev) dev->driver->get_vblank_counter = gm45_get_vblank_counter; } - - dev->driver->get_vblank_timestamp = i915_get_vblank_timestamp; + if (drm_core_check_feature(dev, DRIVER_MODESET)) + dev->driver->get_vblank_timestamp = i915_get_vblank_timestamp; + else + dev->driver->get_vblank_timestamp = NULL; dev->driver->get_scanout_position = i915_get_crtc_scanoutpos; if (IS_IVYBRIDGE(dev)) { |