/* Number of tests =
* (Total GTT - IB pool - writeback page - ring buffers) / test size
*/
- n = rdev->mc.gtt_size - RADEON_IB_POOL_SIZE*64*1024 - rdev->cp.ring_size;
+ n = rdev->mc.gtt_size - RADEON_IB_POOL_SIZE*64*1024;
+ n -= rdev->cp.ring_size;
if (rdev->wb.wb_obj)
n -= RADEON_GPU_PAGE_SIZE;
if (rdev->ih.ring_obj)