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path: root/drivers/gpu/drm/i915
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Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h11
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c73
-rw-r--r--drivers/gpu/drm/i915/i915_gem_proc.c5
3 files changed, 50 insertions, 39 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 0a4f39b9a0e..76d9a706d8f 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -244,6 +244,10 @@ typedef struct drm_i915_private {
* List of objects currently involved in rendering from the
* ringbuffer.
*
+ * Includes buffers having the contents of their GPU caches
+ * flushed, not necessarily primitives. last_rendering_seqno
+ * represents when the rendering involved will be completed.
+ *
* A reference is held on the buffer while on this list.
*/
struct list_head active_list;
@@ -253,6 +257,8 @@ typedef struct drm_i915_private {
* still have a write_domain which needs to be flushed before
* unbinding.
*
+ * last_rendering_seqno is 0 while an object is in this list.
+ *
* A reference is held on the buffer while on this list.
*/
struct list_head flushing_list;
@@ -261,6 +267,8 @@ typedef struct drm_i915_private {
* LRU list of objects which are not in the ringbuffer and
* are ready to unbind, but are still in the GTT.
*
+ * last_rendering_seqno is 0 while an object is in this list.
+ *
* 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.
@@ -394,9 +402,6 @@ 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;
};
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index d58ddef468f..9fd28ebe0aa 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -532,7 +532,7 @@ i915_gem_object_free_page_list(struct drm_gem_object *obj)
}
static void
-i915_gem_object_move_to_active(struct drm_gem_object *obj)
+i915_gem_object_move_to_active(struct drm_gem_object *obj, uint32_t seqno)
{
struct drm_device *dev = obj->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
@@ -546,8 +546,20 @@ i915_gem_object_move_to_active(struct drm_gem_object *obj)
/* Move from whatever list we were on to the tail of execution. */
list_move_tail(&obj_priv->list,
&dev_priv->mm.active_list);
+ obj_priv->last_rendering_seqno = seqno;
}
+static void
+i915_gem_object_move_to_flushing(struct drm_gem_object *obj)
+{
+ struct drm_device *dev = obj->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_gem_object *obj_priv = obj->driver_private;
+
+ BUG_ON(!obj_priv->active);
+ list_move_tail(&obj_priv->list, &dev_priv->mm.flushing_list);
+ obj_priv->last_rendering_seqno = 0;
+}
static void
i915_gem_object_move_to_inactive(struct drm_gem_object *obj)
@@ -562,6 +574,7 @@ i915_gem_object_move_to_inactive(struct drm_gem_object *obj)
else
list_move_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
+ obj_priv->last_rendering_seqno = 0;
if (obj_priv->active) {
obj_priv->active = 0;
drm_gem_object_unreference(obj);
@@ -610,10 +623,28 @@ i915_add_request(struct drm_device *dev, uint32_t flush_domains)
request->seqno = seqno;
request->emitted_jiffies = jiffies;
- request->flush_domains = flush_domains;
was_empty = list_empty(&dev_priv->mm.request_list);
list_add_tail(&request->list, &dev_priv->mm.request_list);
+ /* Associate any objects on the flushing list matching the write
+ * domain we're flushing with our flush.
+ */
+ if (flush_domains != 0) {
+ struct drm_i915_gem_object *obj_priv, *next;
+
+ list_for_each_entry_safe(obj_priv, next,
+ &dev_priv->mm.flushing_list, list) {
+ struct drm_gem_object *obj = obj_priv->obj;
+
+ if ((obj->write_domain & flush_domains) ==
+ obj->write_domain) {
+ obj->write_domain = 0;
+ i915_gem_object_move_to_active(obj, seqno);
+ }
+ }
+
+ }
+
if (was_empty && !dev_priv->mm.suspended)
schedule_delayed_work(&dev_priv->mm.retire_work, HZ);
return seqno;
@@ -676,30 +707,10 @@ i915_gem_retire_request(struct drm_device *dev,
__func__, request->seqno, obj);
#endif
- if (obj->write_domain != 0) {
- list_move_tail(&obj_priv->list,
- &dev_priv->mm.flushing_list);
- } else {
+ if (obj->write_domain != 0)
+ i915_gem_object_move_to_flushing(obj);
+ else
i915_gem_object_move_to_inactive(obj);
- }
- }
-
- if (request->flush_domains != 0) {
- struct drm_i915_gem_object *obj_priv, *next;
-
- /* Clear the write domain and activity from any buffers
- * that are just waiting for a flush matching the one retired.
- */
- list_for_each_entry_safe(obj_priv, next,
- &dev_priv->mm.flushing_list, list) {
- struct drm_gem_object *obj = obj_priv->obj;
-
- if (obj->write_domain & request->flush_domains) {
- obj->write_domain = 0;
- i915_gem_object_move_to_inactive(obj);
- }
- }
-
}
}
@@ -896,17 +907,15 @@ i915_gem_object_wait_rendering(struct drm_gem_object *obj)
* create a new seqno to wait for.
*/
if (obj->write_domain & ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT)) {
- uint32_t write_domain = obj->write_domain;
+ uint32_t seqno, write_domain = obj->write_domain;
#if WATCH_BUF
DRM_INFO("%s: flushing object %p from write domain %08x\n",
__func__, obj, write_domain);
#endif
i915_gem_flush(dev, 0, write_domain);
- i915_gem_object_move_to_active(obj);
- obj_priv->last_rendering_seqno = i915_add_request(dev,
- write_domain);
- BUG_ON(obj_priv->last_rendering_seqno == 0);
+ seqno = i915_add_request(dev, write_domain);
+ i915_gem_object_move_to_active(obj, seqno);
#if WATCH_LRU
DRM_INFO("%s: flush moves to exec list %p\n", __func__, obj);
#endif
@@ -1927,10 +1936,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
i915_file_priv->mm.last_gem_seqno = seqno;
for (i = 0; i < args->buffer_count; i++) {
struct drm_gem_object *obj = object_list[i];
- struct drm_i915_gem_object *obj_priv = obj->driver_private;
- i915_gem_object_move_to_active(obj);
- obj_priv->last_rendering_seqno = seqno;
+ i915_gem_object_move_to_active(obj, seqno);
#if WATCH_LRU
DRM_INFO("%s: move to exec list %p\n", __func__, obj);
#endif
diff --git a/drivers/gpu/drm/i915/i915_gem_proc.c b/drivers/gpu/drm/i915/i915_gem_proc.c
index 93de15b4c9a..e8d5abe1250 100644
--- a/drivers/gpu/drm/i915/i915_gem_proc.c
+++ b/drivers/gpu/drm/i915/i915_gem_proc.c
@@ -166,10 +166,9 @@ static int i915_gem_request_info(char *buf, char **start, off_t offset,
list_for_each_entry(gem_request, &dev_priv->mm.request_list,
list)
{
- DRM_PROC_PRINT(" %d @ %d %08x\n",
+ DRM_PROC_PRINT(" %d @ %d\n",
gem_request->seqno,
- (int) (jiffies - gem_request->emitted_jiffies),
- gem_request->flush_domains);
+ (int) (jiffies - gem_request->emitted_jiffies));
}
if (len > request + offset)
return request;