drm/radeon: move IB pool to 1MB offset

Even GPUs can have a null pointer dereference, so move
the IB pool to another offset to catch those.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index 5694421b7c67..1b1c001e269a 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -980,7 +980,7 @@ int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
         /* map the ib pool buffer at 0 in virtual address space, set
          * read only
          */
-        r = radeon_vm_bo_add(rdev, vm, rdev->ring_tmp_bo.bo, 0,
+        r = radeon_vm_bo_add(rdev, vm, rdev->ring_tmp_bo.bo, RADEON_VA_IB_OFFSET,
                              RADEON_VM_PAGE_READABLE | RADEON_VM_PAGE_SNOOPED);
         return r;
 }