GH100/GBxxx have 6-level page tables.

Signed-off-by: Ben Skeggs <bske...@nvidia.com>
Reviewed-by: Dave Airlie <airl...@redhat.com>
Reviewed-by: Timur Tabi <tt...@nvidia.com>
Tested-by: Timur Tabi <tt...@nvidia.com>
---
 drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h | 2 +-
 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h 
b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
index 935b1cacd528..7188e3eb2d07 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
@@ -8,7 +8,7 @@ struct nvkm_vma {
        struct list_head head;
        struct rb_node tree;
        u64 addr;
-       u64 size:50;
+       u64 size;
        bool mapref:1; /* PTs (de)referenced on (un)map (vs pre-allocated). */
        bool sparse:1; /* Unmapped PDEs/PTEs will not trigger MMU faults. */
 #define NVKM_VMA_PAGE_NONE 7
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c 
b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
index 9c97800fe037..b54397e5364c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
@@ -19,7 +19,7 @@
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  * OTHER DEALINGS IN THE SOFTWARE.
  */
-#define NVKM_VMM_LEVELS_MAX 5
+#define NVKM_VMM_LEVELS_MAX 6
 #include "vmm.h"
 
 #include <subdev/fb.h>
-- 
2.49.0

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