diff options
Diffstat (limited to 'shared-core')
| -rw-r--r-- | shared-core/i915_dma.c | 5 | ||||
| -rw-r--r-- | shared-core/i915_drv.h | 12 |
2 files changed, 17 insertions, 0 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index c0ddeae0..f6465bf6 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -1078,6 +1078,11 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) INIT_LIST_HEAD(&dev_priv->mm.flushing_list); INIT_LIST_HEAD(&dev_priv->mm.inactive_list); INIT_LIST_HEAD(&dev_priv->mm.request_list); + dev_priv->mm.retire_timer.function = i915_gem_retire_timeout; + dev_priv->mm.retire_timer.data = (unsigned long) dev; + init_timer_deferrable (&dev_priv->mm.retire_timer); + INIT_WORK(&dev_priv->mm.retire_task, + i915_gem_retire_handler); INIT_WORK(&dev_priv->user_interrupt_task, i915_user_interrupt_handler); dev_priv->mm.next_gem_seqno = 1; diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h index 33fb7ca9..55af6552 100644 --- a/shared-core/i915_drv.h +++ b/shared-core/i915_drv.h @@ -280,6 +280,16 @@ typedef struct drm_i915_private { */ struct list_head request_list; + /** + * We leave the user IRQ off as much as possible, + * but this means that requests will finish and never + * be retired once the system goes idle. Set a timer to + * fire periodically while the ring is running. When it + * fires, go retire requests. + */ + struct timer_list retire_timer; + struct work_struct retire_task; + uint32_t next_gem_seqno; } mm; @@ -463,6 +473,8 @@ int i915_gem_flush_pwrite(struct drm_gem_object *obj, uint64_t offset, uint64_t size); void i915_gem_lastclose(struct drm_device *dev); void i915_gem_retire_requests(struct drm_device *dev); +void i915_gem_retire_timeout(unsigned long data); +void i915_gem_retire_handler(struct work_struct *work); #endif #ifdef __linux__ |