drm/amdgpu: use a 64bit interval tree for VM management v2
This only makes a difference for 32-bit systems. The idea is to have a
fixed virtual address space size with 4-level page tables and to
minimize differences between 32 and 64-bit systems.
v2: Update commit message.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 2620567..5c6bcac 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -32,7 +32,7 @@
#include <linux/wait.h>
#include <linux/list.h>
#include <linux/kref.h>
-#include <linux/interval_tree.h>
+#include <linux/rbtree.h>
#include <linux/hashtable.h>
#include <linux/dma-fence.h>
@@ -379,7 +379,10 @@ struct amdgpu_bo_list_entry {
struct amdgpu_bo_va_mapping {
struct list_head list;
- struct interval_tree_node it;
+ struct rb_node rb;
+ uint64_t start;
+ uint64_t last;
+ uint64_t __subtree_last;
uint64_t offset;
uint64_t flags;
};