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authorThomas Hellstrom <thellstrom@vmware.com>2010-02-12 00:18:00 +0100
committerDave Airlie <airlied@redhat.com>2010-02-15 11:19:14 +1000
commite22238ea37a870f70e34668a4992bde0c92bba8d (patch)
tree71036caef29c04901df02f79a8c241503f3a9920 /drivers
parent775c67090c98780b44c4f95d5c05565df715b8bd (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 1a3e909b7bb..c7320ce4567 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1020,6 +1020,12 @@ static int ttm_bo_mem_compat(struct ttm_placement *placement,
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 &