drm/ttm: Fix a bug occuring when validating a buffer object in a range.
If the buffer object was already in the requested memory type, but
outside of the requested range it was never moved into the requested range.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 1a3e909..c7320ce 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1020,6 +1020,12 @@
struct ttm_mem_reg *mem)
{
int i;
+ struct drm_mm_node *node = mem->mm_node;
+
+ if (node && placement->lpfn != 0 &&
+ (node->start < placement->fpfn ||
+ node->start + node->size > placement->lpfn))
+ return -1;
for (i = 0; i < placement->num_placement; i++) {
if ((placement->placement[i] & mem->placement &