X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fdrm%2Fi915_mem.c;h=52c67324df58953f6b98db130f8f6d05bbaa1dda;hb=f8abea8f8c24ecdad6d6861bffb912f23f2741cd;hp=9b1698f521befabc199c8c4ea1bb21b0c968e37e;hpb=31151ba2cef171344beac254e65bd7e00138bb0d;p=linux-2.6

diff --git a/drivers/char/drm/i915_mem.c b/drivers/char/drm/i915_mem.c
index 9b1698f521..52c67324df 100644
--- a/drivers/char/drm/i915_mem.c
+++ b/drivers/char/drm/i915_mem.c
@@ -1,7 +1,6 @@
 /* i915_mem.c -- Simple agp/fb memory manager for i915 -*- linux-c -*-
  */
-/**************************************************************************
- *
+/*
  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
  * All Rights Reserved.
  *
@@ -25,7 +24,7 @@
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
- **************************************************************************/
+ */
 
 #include "drmP.h"
 #include "drm.h"
@@ -86,7 +85,7 @@ static void mark_block(drm_device_t * dev, struct mem_block *p, int in_use)
 }
 
 /* Very simple allocator for agp memory, working on a static range
- * already mapped into each client's address space.  
+ * already mapped into each client's address space.
  */
 
 static struct mem_block *split_block(struct mem_block *p, int start, int size,
@@ -94,7 +93,8 @@ static struct mem_block *split_block(struct mem_block *p, int start, int size,
 {
 	/* Maybe cut off the start of an existing block */
 	if (start > p->start) {
-		struct mem_block *newblock = drm_alloc(sizeof(*newblock), DRM_MEM_BUFLISTS);
+		struct mem_block *newblock =
+		    drm_alloc(sizeof(*newblock), DRM_MEM_BUFLISTS);
 		if (!newblock)
 			goto out;
 		newblock->start = start;
@@ -110,7 +110,8 @@ static struct mem_block *split_block(struct mem_block *p, int start, int size,
 
 	/* Maybe cut off the end of an existing block */
 	if (size < p->size) {
-		struct mem_block *newblock = drm_alloc(sizeof(*newblock), DRM_MEM_BUFLISTS);
+		struct mem_block *newblock =
+		    drm_alloc(sizeof(*newblock), DRM_MEM_BUFLISTS);
 		if (!newblock)
 			goto out;
 		newblock->start = start + size;
@@ -364,3 +365,34 @@ int i915_mem_init_heap(DRM_IOCTL_ARGS)
 
 	return init_heap(heap, initheap.start, initheap.size);
 }
+
+int i915_mem_destroy_heap( DRM_IOCTL_ARGS )
+{
+	DRM_DEVICE;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	drm_i915_mem_destroy_heap_t destroyheap;
+	struct mem_block **heap;
+
+	if ( !dev_priv ) {
+		DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
+		return DRM_ERR(EINVAL);
+	}
+
+	DRM_COPY_FROM_USER_IOCTL( destroyheap, (drm_i915_mem_destroy_heap_t *)data,
+				  sizeof(destroyheap) );
+
+	heap = get_heap( dev_priv, destroyheap.region );
+	if (!heap) {
+		DRM_ERROR("get_heap failed");
+		return DRM_ERR(EFAULT);
+	}
+	
+	if (!*heap) {
+		DRM_ERROR("heap not initialized?");
+		return DRM_ERR(EFAULT);
+	}
+
+	i915_mem_takedown( heap );
+	return 0;
+}
+