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authorChristian König <deathsimple@vodafone.de>2012-10-09 15:31:18 +0400
committerAlex Deucher <alexander.deucher@amd.com>2012-10-15 21:21:01 +0400
commitd72d43cfc5847c176edabc72e6431ba691322c98 (patch)
tree5106b3d8c9fde2f8c5670d2ede983364e77ce722 /drivers/gpu/drm/radeon/radeon_gart.c
parent90a51a329258e3c868f6f4c1fb264ca01c590c57 (diff)
downloadlinux-d72d43cfc5847c176edabc72e6431ba691322c98.tar.xz
drm/radeon: don't add the IB pool to all VMs v2
We want to use VMs without the IB pool in the future. v2: also remove it from radeon_vm_finish. Signed-off-by: Christian König <deathsimple@vodafone.de> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_gart.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_gart.c34
1 files changed, 3 insertions, 31 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index 98b170a0df90..7e21ea32242a 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -602,7 +602,6 @@ int radeon_vm_evict(struct radeon_device *rdev, struct radeon_vm *vm)
* @vm: vm to bind
*
* Allocate a page table for the requested vm (cayman+).
- * Also starts to populate the page table.
* Returns 0 for success, error for failure.
*
* Global and local mutex must be locked!
@@ -655,8 +654,7 @@ retry:
}
list_add_tail(&vm->list, &rdev->vm_manager.lru_vm);
- return radeon_vm_bo_update_pte(rdev, vm, rdev->ring_tmp_bo.bo,
- &rdev->ring_tmp_bo.bo->tbo.mem);
+ return 0;
}
/**
@@ -1241,30 +1239,15 @@ void radeon_vm_bo_invalidate(struct radeon_device *rdev,
* @rdev: radeon_device pointer
* @vm: requested vm
*
- * Init @vm (cayman+).
- * Map the IB pool and any other shared objects into the VM
- * by default as it's used by all VMs.
- * Returns 0 for success, error for failure.
+ * Init @vm fields (cayman+).
*/
-int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
+void radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
{
- struct radeon_bo_va *bo_va;
- int r;
-
vm->id = 0;
vm->fence = NULL;
mutex_init(&vm->mutex);
INIT_LIST_HEAD(&vm->list);
INIT_LIST_HEAD(&vm->va);
-
- /* map the ib pool buffer at 0 in virtual address space, set
- * read only
- */
- bo_va = radeon_vm_bo_add(rdev, vm, rdev->ring_tmp_bo.bo);
- r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
- RADEON_VM_PAGE_READABLE |
- RADEON_VM_PAGE_SNOOPED);
- return r;
}
/**
@@ -1286,17 +1269,6 @@ void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm)
radeon_vm_free_pt(rdev, vm);
mutex_unlock(&rdev->vm_manager.lock);
- /* remove all bo at this point non are busy any more because unbind
- * waited for the last vm fence to signal
- */
- r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
- if (!r) {
- bo_va = radeon_vm_bo_find(vm, rdev->ring_tmp_bo.bo);
- list_del_init(&bo_va->bo_list);
- list_del_init(&bo_va->vm_list);
- radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
- kfree(bo_va);
- }
if (!list_empty(&vm->va)) {
dev_err(rdev->dev, "still active bo inside vm\n");
}