1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 01ee96acb398..c54d6313a46d 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -921,7 +921,7 @@ static int rv770_pcie_gart_enable(struct radeon_device *rdev)
         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
-        WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
+        WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end >> 12) - 1);
         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);