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Rev 5271 Rev 6084
Line 102... Line 102...
102 
	}
 102 
	}
Line 103... Line 103...
103 
 
 103 
 
104 
	dev->vma_offset_manager = vma_offset_manager;
 104 
	dev->vma_offset_manager = vma_offset_manager;
105 
	drm_vma_offset_manager_init(vma_offset_manager,
 105 
	drm_vma_offset_manager_init(vma_offset_manager,
106 
				    DRM_FILE_PAGE_OFFSET_START,
 106 
				    DRM_FILE_PAGE_OFFSET_START,
Line 107... Line 107...
107 
		    DRM_FILE_PAGE_OFFSET_SIZE);
 107 
				    DRM_FILE_PAGE_OFFSET_SIZE);
108 
 
 108 
 
Line 109... Line 109...
109 
	return 0;
 109 
	return 0;
Line 153... Line 153...
153 
 * Initialize an already allocated GEM object of the specified size with
 153 
 * Initialize an already allocated GEM object of the specified size with
154 
 * no GEM provided backing store. Instead the caller is responsible for
 154 
 * no GEM provided backing store. Instead the caller is responsible for
155 
 * backing the object and handling it.
 155 
 * backing the object and handling it.
156 
 */
 156 
 */
157 
void drm_gem_private_object_init(struct drm_device *dev,
 157 
void drm_gem_private_object_init(struct drm_device *dev,
158 
			struct drm_gem_object *obj, size_t size)
 158 
				 struct drm_gem_object *obj, size_t size)
159 
{
 159 
{
160 
	BUG_ON((size & (PAGE_SIZE - 1)) != 0);
 160 
	BUG_ON((size & (PAGE_SIZE - 1)) != 0);
Line 161... Line 161...
161 
 
 161 
 
162 
	obj->dev = dev;
 162 
	obj->dev = dev;
Line 251... Line 251...
251 
 
 251 
 
Line 252... Line 252...
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//	drm_vma_node_revoke(&obj->vma_node, filp->filp);
 252 
//	drm_vma_node_revoke(&obj->vma_node, filp->filp);
253 
 
 253 
 
254 
	if (dev->driver->gem_close_object)
 254 
	if (dev->driver->gem_close_object)
Line 255... Line 255...
255 
		dev->driver->gem_close_object(obj, filp);
 255 
		dev->driver->gem_close_object(obj, filp);
256 
	drm_gem_object_handle_unreference_unlocked(obj);
 256 
    drm_gem_object_handle_unreference_unlocked(obj);
257 
 
 257 
 
Line 258... Line 258...
258 
	return 0;
 258 
	return 0;
259 
}
 259 
}
260 
EXPORT_SYMBOL(drm_gem_handle_delete);
 260 
EXPORT_SYMBOL(drm_gem_handle_delete);
261 
 
 261 
 
262 
/**
 262 
/**
263 
 * drm_gem_dumb_destroy - dumb fb callback helper for gem based drivers
 263 
 * drm_gem_dumb_destroy - dumb fb callback helper for gem based drivers
264 
 * @file: drm file-private structure to remove the dumb handle from
 264 
 * @file: drm file-private structure to remove the dumb handle from
265 
 * @dev: corresponding drm_device
 265 
 * @dev: corresponding drm_device
266 
 * @handle: the dumb handle to remove
 266 
 * @handle: the dumb handle to remove
267 
 *
267 
 *
268 
 * This implements the ->dumb_destroy kms driver callback for drivers which use
 268 
 * This implements the ->dumb_destroy kms driver callback for drivers which use
Line 286... Line 286...
286 
 * before returning. Used to avoid races in establishing new handles when
 286 
 * before returning. Used to avoid races in establishing new handles when
287 
 * importing an object from either an flink name or a dma-buf.
 287 
 * importing an object from either an flink name or a dma-buf.
288 
 */
 288 
 */
289 
int
 289 
int
290 
drm_gem_handle_create_tail(struct drm_file *file_priv,
 290 
drm_gem_handle_create_tail(struct drm_file *file_priv,
291 
		       struct drm_gem_object *obj,
 291 
			   struct drm_gem_object *obj,
292 
		       u32 *handlep)
 292 
			   u32 *handlep)
293 
{
 293 
{
294 
	struct drm_device *dev = obj->dev;
 294 
	struct drm_device *dev = obj->dev;
295 
	int ret;
 295 
	int ret;
Line 296... Line 296...
296 
 
 296 
 
Line 341... Line 341...
341 
 * Create a handle for this object. This adds a handle reference
 341 
 * Create a handle for this object. This adds a handle reference
342 
 * to the object, which includes a regular reference count. Callers
 342 
 * to the object, which includes a regular reference count. Callers
343 
 * will likely want to dereference the object afterwards.
 343 
 * will likely want to dereference the object afterwards.
344 
 */
 344 
 */
345 
int drm_gem_handle_create(struct drm_file *file_priv,
 345 
int drm_gem_handle_create(struct drm_file *file_priv,
346 
		       struct drm_gem_object *obj,
 346 
			  struct drm_gem_object *obj,
347 
		       u32 *handlep)
 347 
			  u32 *handlep)
348 
{
 348 
{
349 
	mutex_lock(&obj->dev->object_name_lock);
 349 
	mutex_lock(&obj->dev->object_name_lock);
Line 350... Line 350...
350 
 
 350 
 
351 
	return drm_gem_handle_create_tail(file_priv, obj, handlep);
 351 
	return drm_gem_handle_create_tail(file_priv, obj, handlep);
Line 460... Line 460...
460 
		/* Make sure shmem keeps __GFP_DMA32 allocated pages in the
 460 
		/* Make sure shmem keeps __GFP_DMA32 allocated pages in the
461 
		 * correct region during swapin. Note that this requires
 461 
		 * correct region during swapin. Note that this requires
462 
		 * __GFP_DMA32 to be set in mapping_gfp_mask(inode->i_mapping)
 462 
		 * __GFP_DMA32 to be set in mapping_gfp_mask(inode->i_mapping)
463 
		 * so shmem can relocate pages during swapin if required.
 463 
		 * so shmem can relocate pages during swapin if required.
464 
		 */
 464 
		 */
465 
		BUG_ON((mapping_gfp_mask(mapping) & __GFP_DMA32) &&
 465 
		BUG_ON(mapping_gfp_constraint(mapping, __GFP_DMA32) &&
466 
				(page_to_pfn(p) >= 0x00100000UL));
 466 
				(page_to_pfn(p) >= 0x00100000UL));
467 
	}
 467 
	}
Line 468... Line 468...
468 
 
 468 
 
Line 600... Line 600...
600 
			goto err;
 600 
			goto err;
Line 601... Line 601...
601 
 
 601 
 
602 
		obj->name = ret;
 602 
		obj->name = ret;
Line 603... Line 603...
603 
	}
 603 
	}
604 
 
 604 
 
Line 605... Line 605...
605 
		args->name = (uint64_t) obj->name;
 605 
	args->name = (uint64_t) obj->name;
606 
		ret = 0;
 606 
	ret = 0;
607 
 
 607 
 
608 
err:
 608 
err:
Line 731... Line 731...
731 
 * Frees the object
 731 
 * Frees the object
732 
 */
 732 
 */
733 
void
 733 
void
734 
drm_gem_object_free(struct kref *kref)
 734 
drm_gem_object_free(struct kref *kref)
735 
{
 735 
{
- 
 
 736 
	struct drm_gem_object *obj =
736 
	struct drm_gem_object *obj = (struct drm_gem_object *) kref;
 737 
		container_of(kref, struct drm_gem_object, refcount);
737 
	struct drm_device *dev = obj->dev;
 738 
	struct drm_device *dev = obj->dev;
Line 738... Line 739...
738 
 
 739 
 
Line 739... Line 740...
739 
	BUG_ON(!mutex_is_locked(&dev->struct_mutex));
 740 
	WARN_ON(!mutex_is_locked(&dev->struct_mutex));
740 
 
 741 
 
741 
	if (dev->driver->gem_free_object != NULL)
 742 
	if (dev->driver->gem_free_object != NULL)
742 
		dev->driver->gem_free_object(obj);
 743 
		dev->driver->gem_free_object(obj);