From ca19f21ece0ad96c77f45a01c43f3bb582f1a35c Mon Sep 17 00:00:00 2001 From: Christian König Date: Tue, 11 Sep 2012 16:09:59 +0200 Subject: drm/radeon: move IB pool to 1MB offset MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Even GPUs can have a null pointer dereference, so move the IB pool to another offset to catch those. Signed-off-by: Christian König Reviewed-by: Jerome Glisse --- drivers/gpu/drm/radeon/radeon_ring.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/gpu/drm/radeon/radeon_ring.c') diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 993cf712074f..d90b0bc6f072 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -79,10 +79,10 @@ int radeon_ib_get(struct radeon_device *rdev, int ring, ib->ptr = radeon_sa_bo_cpu_addr(ib->sa_bo); ib->vm = vm; if (vm) { - /* ib pool is bind at 0 in virtual address space, - * so gpu_addr is the offset inside the pool bo + /* ib pool is bound at RADEON_VA_IB_OFFSET in virtual address + * space and soffset is the offset inside the pool bo */ - ib->gpu_addr = ib->sa_bo->soffset; + ib->gpu_addr = ib->sa_bo->soffset + RADEON_VA_IB_OFFSET; } else { ib->gpu_addr = radeon_sa_bo_gpu_addr(ib->sa_bo); } -- cgit v1.2.3