diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 5a051eaab9ef..09e8ef910ec5 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1486,6 +1486,14 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) mutex_init(&dev_priv->rps.hw_lock); mutex_init(&dev_priv->modeset_restore_lock); + mutex_init(&dev_priv->pc8.lock); + dev_priv->pc8.requirements_met = false; + dev_priv->pc8.gpu_idle = false; + dev_priv->pc8.irqs_disabled = false; + dev_priv->pc8.enabled = false; + dev_priv->pc8.disable_count = 2; /* requirements_met + gpu_idle */ + INIT_DELAYED_WORK(&dev_priv->pc8.enable_work, hsw_enable_pc8_work); + i915_dump_device_info(dev_priv); /* Not all pre-production machines fall into this category, only the @@ -1740,6 +1748,8 @@ int i915_driver_unload(struct drm_device *dev) cancel_work_sync(&dev_priv->gpu_error.work); i915_destroy_error_state(dev); + cancel_delayed_work_sync(&dev_priv->pc8.enable_work); + if (dev->pdev->msi_enabled) pci_disable_msi(dev->pdev); |