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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>
This commit is contained in:
Christian König 2012-10-09 13:31:18 +02:00 committed by Alex Deucher
parent 90a51a3292
commit d72d43cfc5
3 changed files with 25 additions and 33 deletions
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2
drivers/gpu/drm/radeon/radeon.h
View File

@ -1848,7 +1848,7 @@ extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size
*/
int radeon_vm_manager_init(struct radeon_device *rdev);
void radeon_vm_manager_fini(struct radeon_device *rdev);
int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
void radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm);
int radeon_vm_alloc_pt(struct radeon_device *rdev, struct radeon_vm *vm);
struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,

34
drivers/gpu/drm/radeon/radeon_gart.c
View File

@ -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");
}

22
drivers/gpu/drm/radeon/radeon_kms.c
View File

@ -419,6 +419,7 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
/* new gpu have virtual address space support */
if (rdev->family >= CHIP_CAYMAN) {
struct radeon_fpriv *fpriv;
struct radeon_bo_va *bo_va;
int r;
fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
@ -426,7 +427,15 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
return -ENOMEM;
}
r = radeon_vm_init(rdev, &fpriv->vm);
radeon_vm_init(rdev, &fpriv->vm);
/* map the ib pool buffer read only into
* virtual address space */
bo_va = radeon_vm_bo_add(rdev, &fpriv->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);
if (r) {
radeon_vm_fini(rdev, &fpriv->vm);
kfree(fpriv);
@ -454,6 +463,17 @@ void radeon_driver_postclose_kms(struct drm_device *dev,
/* new gpu have virtual address space support */
if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) {
struct radeon_fpriv *fpriv = file_priv->driver_priv;
struct radeon_bo_va *bo_va;
int r;
r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
if (!r) {
bo_va = radeon_vm_bo_find(&fpriv->vm,
rdev->ring_tmp_bo.bo);
if (bo_va)
radeon_vm_bo_rmv(rdev, bo_va);
radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
}
radeon_vm_fini(rdev, &fpriv->vm);
kfree(fpriv);