diff options
Diffstat (limited to 'shared-core')
| -rw-r--r-- | shared-core/i915_dma.c | 4 | ||||
| -rw-r--r-- | shared-core/i915_drv.h | 30 | ||||
| -rw-r--r-- | shared-core/i915_irq.c | 23 |
3 files changed, 52 insertions, 5 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index 30ba8c65..fa73cd29 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -1043,6 +1043,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) memset(dev_priv, 0, sizeof(drm_i915_private_t)); dev->dev_private = (void *)dev_priv; + dev_priv->dev = dev; /* Add register map (needed for suspend/resume) */ base = drm_get_resource_start(dev, mmio_bar); @@ -1052,8 +1053,11 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) _DRM_KERNEL | _DRM_DRIVER, &dev_priv->mmio_map); INIT_LIST_HEAD(&dev_priv->mm.active_list); + INIT_LIST_HEAD(&dev_priv->mm.flushing_list); INIT_LIST_HEAD(&dev_priv->mm.inactive_list); INIT_LIST_HEAD(&dev_priv->mm.request_list); + INIT_WORK(&dev_priv->user_interrupt_task, + i915_user_interrupt_handler); dev_priv->mm.next_gem_seqno = 1; #ifdef __linux__ diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h index e3f280d5..029c39a0 100644 --- a/shared-core/i915_drv.h +++ b/shared-core/i915_drv.h @@ -101,6 +101,8 @@ typedef struct _drm_i915_vbl_swap { } drm_i915_vbl_swap_t; typedef struct drm_i915_private { + struct drm_device *dev; + drm_local_map_t *sarea; drm_local_map_t *mmio_map; @@ -244,6 +246,7 @@ typedef struct drm_i915_private { struct { struct drm_memrange gtt_space; + /** * List of objects currently involved in rendering from the * ringbuffer. @@ -251,10 +254,20 @@ typedef struct drm_i915_private { * A reference is held on the buffer while on this list. */ struct list_head active_list; + /** - * LRU List of non-executing objects still in the GTT. - * There may still be dirty cachelines that need to be flushed - * before unbind. + * List of objects which are not in the ringbuffer but which + * still have a write_domain which needs to be flushed before + * unbinding. + * + * A reference is held on the buffer while on this list. + */ + struct list_head flushing_list; + + /** + * LRU list of objects which are not in the ringbuffer and + * are ready to unbind, but are still in the GTT. + * * A reference is not held on the buffer while on this list, * as merely being GTT-bound shouldn't prevent its being * freed, and we'll pull it off the list in the free path. @@ -269,6 +282,8 @@ typedef struct drm_i915_private { uint32_t next_gem_seqno; } mm; + + struct work_struct user_interrupt_task; } drm_i915_private_t; enum intel_chip_family { @@ -285,11 +300,11 @@ struct drm_i915_gem_object { /** Current space allocated to this object in the GTT, if any. */ struct drm_memrange_node *gtt_space; - /** This object's place on the active or inactive lists */ + /** This object's place on the active/flushing/inactive lists */ struct list_head list; /** - * This is set if the object is on the active list + * This is set if the object is on the active or flushing lists * (has pending rendering), and is not set if it's on inactive (ready * to be unbound). */ @@ -334,6 +349,9 @@ struct drm_i915_gem_request { /** Time at which this request was emitted, in jiffies. */ unsigned long emitted_jiffies; + /** Cache domains that were flushed at the start of the request. */ + uint32_t flush_domains; + struct list_head list; }; @@ -385,6 +403,7 @@ extern int i915_vblank_swap(struct drm_device *dev, void *data, struct drm_file *file_priv); extern void i915_user_irq_on(drm_i915_private_t *dev_priv); extern void i915_user_irq_off(drm_i915_private_t *dev_priv); +extern void i915_user_interrupt_handler(struct work_struct *work); /* i915_mem.c */ extern int i915_mem_alloc(struct drm_device *dev, void *data, @@ -438,6 +457,7 @@ int i915_gem_set_domain(struct drm_gem_object *obj, 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); #endif #ifdef __linux__ diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c index b17e2408..02191316 100644 --- a/shared-core/i915_irq.c +++ b/shared-core/i915_irq.c @@ -436,6 +436,28 @@ u32 i915_get_vblank_counter(struct drm_device *dev, int plane) return count; } +/** + * Handler for user interrupts in process context (able to sleep, do VFS + * operations, etc. + * + * If another IRQ comes in while we're in this handler, it will still get put + * on the queue again to be rerun when we finish. + */ +void +i915_user_interrupt_handler(struct work_struct *work) +{ + drm_i915_private_t *dev_priv; + struct drm_device *dev; + + dev_priv = container_of(work, drm_i915_private_t, + user_interrupt_task); + dev = dev_priv->dev; + + mutex_lock(&dev->struct_mutex); + i915_gem_retire_requests(dev); + mutex_unlock(&dev->struct_mutex); +} + irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) { struct drm_device *dev = (struct drm_device *) arg; @@ -493,6 +515,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) DRM_WAKEUP(&dev_priv->irq_queue); #ifdef I915_HAVE_FENCE i915_fence_handler(dev); + schedule_work(&dev_priv->user_interrupt_task); #endif } |