drm/i915: Use lockless object free

Having moved the locked phase of freeing an object to a separate worker,
we can now declare to the core that we only need the unlocked variant of
driver->gem_free_object, and can use the simple unreference internally.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161028125858.23563-20-chris@chris-wilson.co.uk

1 files changed, 15 insertions, 15 deletions

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 07b2eb6bc572..fdcbaab21fdd 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -617,7 +617,7 @@ i915_gem_create(struct drm_file *file,
 
 	ret = drm_gem_handle_create(file, &obj->base, &handle);
 	/* drop reference from allocate - handle holds it now */
-	i915_gem_object_put_unlocked(obj);
+	i915_gem_object_put(obj);
 	if (ret)
 		return ret;
 
@@ -1111,7 +1111,7 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
 
 	i915_gem_object_unpin_pages(obj);
 out:
-	i915_gem_object_put_unlocked(obj);
+	i915_gem_object_put(obj);
 	return ret;
 }
 
@@ -1444,7 +1444,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
 
 	i915_gem_object_unpin_pages(obj);
 err:
-	i915_gem_object_put_unlocked(obj);
+	i915_gem_object_put(obj);
 	return ret;
 }
 
@@ -1520,7 +1520,7 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
 				   MAX_SCHEDULE_TIMEOUT,
 				   to_rps_client(file));
 	if (err)
-		goto out_unlocked;
+		goto out;
 
 	/* Flush and acquire obj->pages so that we are coherent through
 	 * direct access in memory with previous cached writes through
@@ -1532,11 +1532,11 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
 	 */
 	err = i915_gem_object_pin_pages(obj);
 	if (err)
-		goto out_unlocked;
+		goto out;
 
 	err = i915_mutex_lock_interruptible(dev);
 	if (err)
-		goto out_pages;
+		goto out_unpin;
 
 	if (read_domains & I915_GEM_DOMAIN_GTT)
 		err = i915_gem_object_set_to_gtt_domain(obj, write_domain != 0);
@@ -1551,10 +1551,10 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
 	if (write_domain != 0)
 		intel_fb_obj_invalidate(obj, write_origin(obj, write_domain));
 
-out_pages:
+out_unpin:
 	i915_gem_object_unpin_pages(obj);
-out_unlocked:
-	i915_gem_object_put_unlocked(obj);
+out:
+	i915_gem_object_put(obj);
 	return err;
 }
 
@@ -1585,7 +1585,7 @@ i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
 		}
 	}
 
-	i915_gem_object_put_unlocked(obj);
+	i915_gem_object_put(obj);
 	return err;
 }
 
@@ -1631,7 +1631,7 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
 	 * pages from.
 	 */
 	if (!obj->base.filp) {
-		i915_gem_object_put_unlocked(obj);
+		i915_gem_object_put(obj);
 		return -EINVAL;
 	}
 
@@ -1643,7 +1643,7 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
 		struct vm_area_struct *vma;
 
 		if (down_write_killable(&mm->mmap_sem)) {
-			i915_gem_object_put_unlocked(obj);
+			i915_gem_object_put(obj);
 			return -EINTR;
 		}
 		vma = find_vma(mm, addr);
@@ -1657,7 +1657,7 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
 		/* This may race, but that's ok, it only gets set */
 		WRITE_ONCE(obj->frontbuffer_ggtt_origin, ORIGIN_CPU);
 	}
-	i915_gem_object_put_unlocked(obj);
+	i915_gem_object_put(obj);
 	if (IS_ERR((void *)addr))
 		return addr;
 
@@ -2105,7 +2105,7 @@ i915_gem_mmap_gtt(struct drm_file *file,
 	if (ret == 0)
 		*offset = drm_vma_node_offset_addr(&obj->base.vma_node);
 
-	i915_gem_object_put_unlocked(obj);
+	i915_gem_object_put(obj);
 	return ret;
 }
 
@@ -2932,7 +2932,7 @@ i915_gem_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
 			args->timeout_ns = 0;
 	}
 
-	i915_gem_object_put_unlocked(obj);
+	i915_gem_object_put(obj);
 	return ret;
 }