-static int rv770_vram_scratch_init(struct radeon_device *rdev)
-{
- int r;
- u64 gpu_addr;
-
- if (rdev->vram_scratch.robj == NULL) {
- r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
- PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
- &rdev->vram_scratch.robj);
- if (r) {
- return r;
- }
- }
-
- r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
- if (unlikely(r != 0))
- return r;
- r = radeon_bo_pin(rdev->vram_scratch.robj,
- RADEON_GEM_DOMAIN_VRAM, &gpu_addr);
- if (r) {
- radeon_bo_unreserve(rdev->vram_scratch.robj);
- return r;
- }
- r = radeon_bo_kmap(rdev->vram_scratch.robj,
- (void **)&rdev->vram_scratch.ptr);
- if (r)
- radeon_bo_unpin(rdev->vram_scratch.robj);
- radeon_bo_unreserve(rdev->vram_scratch.robj);
-
- return r;
-}
-
-static void rv770_vram_scratch_fini(struct radeon_device *rdev)
-{
- int r;
-
- if (rdev->vram_scratch.robj == NULL) {
- return;
- }
- r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
- if (likely(r == 0)) {
- radeon_bo_kunmap(rdev->vram_scratch.robj);
- radeon_bo_unpin(rdev->vram_scratch.robj);
- radeon_bo_unreserve(rdev->vram_scratch.robj);
- }
- radeon_bo_unref(&rdev->vram_scratch.robj);
-}
-