i915_gem_object_set_to_gpu_domain(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 = to_intel_bo(obj);
uint32_t invalidate_domains = 0;
uint32_t flush_domains = 0;
obj->pending_write_domain = obj->write_domain;
obj->read_domains = obj->pending_read_domains;
+ if (flush_domains & I915_GEM_GPU_DOMAINS) {
+ if (obj_priv->ring == &dev_priv->render_ring)
+ dev_priv->flush_rings |= FLUSH_RENDER_RING;
+ else if (obj_priv->ring == &dev_priv->bsd_ring)
+ dev_priv->flush_rings |= FLUSH_BSD_RING;
+ }
+
dev->invalidate_domains |= invalidate_domains;
dev->flush_domains |= flush_domains;
#if WATCH_BUF
ring = &dev_priv->render_ring;
}
-
if (args->buffer_count < 1) {
DRM_ERROR("execbuf with %d buffers\n", args->buffer_count);
return -EINVAL;
*/
dev->invalidate_domains = 0;
dev->flush_domains = 0;
+ dev_priv->flush_rings = 0;
for (i = 0; i < args->buffer_count; i++) {
struct drm_gem_object *obj = object_list[i];
i915_gem_flush(dev,
dev->invalidate_domains,
dev->flush_domains);
- if (dev->flush_domains & I915_GEM_GPU_DOMAINS) {
+ if (dev_priv->flush_rings & FLUSH_RENDER_RING)
(void)i915_add_request(dev, file_priv,
- dev->flush_domains,
- &dev_priv->render_ring);
-
- if (HAS_BSD(dev))
- (void)i915_add_request(dev, file_priv,
- dev->flush_domains,
- &dev_priv->bsd_ring);
- }
+ dev->flush_domains,
+ &dev_priv->render_ring);
+ if (dev_priv->flush_rings & FLUSH_BSD_RING)
+ (void)i915_add_request(dev, file_priv,
+ dev->flush_domains,
+ &dev_priv->bsd_ring);
}
for (i = 0; i < args->buffer_count; i++) {
}
mutex_lock(&dev->struct_mutex);
- /* Update the active list for the hardware's current position.
- * Otherwise this only updates on a delayed timer or when irqs are
- * actually unmasked, and our working set ends up being larger than
- * required.
- */
- i915_gem_retire_requests(dev);
- obj_priv = to_intel_bo(obj);
- /* Don't count being on the flushing list against the object being
- * done. Otherwise, a buffer left on the flushing list but not getting
- * flushed (because nobody's flushing that domain) won't ever return
- * unbusy and get reused by libdrm's bo cache. The other expected
- * consumer of this interface, OpenGL's occlusion queries, also specs
- * that the objects get unbusy "eventually" without any interference.
+ /* Count all active objects as busy, even if they are currently not used
+ * by the gpu. Users of this interface expect objects to eventually
+ * become non-busy without any further actions, therefore emit any
+ * necessary flushes here.
*/
- args->busy = obj_priv->active && obj_priv->last_rendering_seqno != 0;
+ obj_priv = to_intel_bo(obj);
+ args->busy = obj_priv->active;
+ if (args->busy) {
+ /* Unconditionally flush objects, even when the gpu still uses this
+ * object. Userspace calling this function indicates that it wants to
+ * use this buffer rather sooner than later, so issuing the required
+ * flush earlier is beneficial.
+ */
+ if (obj->write_domain) {
+ i915_gem_flush(dev, 0, obj->write_domain);
+ (void)i915_add_request(dev, file_priv, obj->write_domain, obj_priv->ring);
+ }
+
+ /* Update the active list for the hardware's current position.
+ * Otherwise this only updates on a delayed timer or when irqs
+ * are actually unmasked, and our working set ends up being
+ * larger than required.
+ */
+ i915_gem_retire_requests_ring(dev, obj_priv->ring);
+
+ args->busy = obj_priv->active;
+ }
drm_gem_object_unreference(obj);
mutex_unlock(&dev->struct_mutex);