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drm/amdgpu: cleanup comments in VM code 

Neither the global nor the local mutex exists any more and
amdgpu doesn't support cayman.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2016-01-26 12:17:11 +01:00 committed by Alex Deucher
parent a1e08d3b83
commit 8843dbbbf3
1 changed files with 11 additions and 21 deletions
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32
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -55,7 +55,7 @@
*
* @adev: amdgpu_device pointer
*
* Calculate the number of page directory entries (cayman+).
* Calculate the number of page directory entries.
*/
static unsigned amdgpu_vm_num_pdes(struct amdgpu_device *adev)
{
@ -67,7 +67,7 @@ static unsigned amdgpu_vm_num_pdes(struct amdgpu_device *adev)
*
* @adev: amdgpu_device pointer
*
* Calculate the size of the page directory in bytes (cayman+).
* Calculate the size of the page directory in bytes.
*/
static unsigned amdgpu_vm_directory_size(struct amdgpu_device *adev)
{
@ -155,8 +155,6 @@ void amdgpu_vm_move_pt_bos_in_lru(struct amdgpu_device *adev,
* @fence: fence protecting ID from reuse
*
* Allocate an id for the vm, adding fences to the sync obj as necessary.
*
* Global mutex must be locked!
*/
int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
struct amdgpu_sync *sync, struct fence *fence)
@ -216,9 +214,7 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
* @vm: vm we want to flush
* @updates: last vm update that we waited for
*
* Flush the vm (cayman+).
*
* Global and local mutex must be locked!
* Flush the vm.
*/
void amdgpu_vm_flush(struct amdgpu_ring *ring,
struct amdgpu_vm *vm,
@ -253,7 +249,7 @@ void amdgpu_vm_flush(struct amdgpu_ring *ring,
* @vm: requested vm
* @bo: requested buffer object
*
* Find @bo inside the requested vm (cayman+).
* Find @bo inside the requested vm.
* Search inside the @bos vm list for the requested vm
* Returns the found bo_va or NULL if none is found
*
@ -425,10 +421,8 @@ uint64_t amdgpu_vm_map_gart(const dma_addr_t *pages_addr, uint64_t addr)
* @end: end of GPU address range
*
* Allocates new page tables if necessary
* and updates the page directory (cayman+).
* and updates the page directory.
* Returns 0 for success, error for failure.
*
* Global and local mutex must be locked!
*/
int amdgpu_vm_update_page_directory(struct amdgpu_device *adev,
struct amdgpu_vm *vm)
@ -538,8 +532,6 @@ int amdgpu_vm_update_page_directory(struct amdgpu_device *adev,
* @pe_end: last PTE to handle
* @addr: addr those PTEs should point to
* @flags: hw mapping flags
*
* Global and local mutex must be locked!
*/
static void amdgpu_vm_frag_ptes(struct amdgpu_device *adev,
struct amdgpu_gart *gtt,
@ -620,9 +612,7 @@ static void amdgpu_vm_frag_ptes(struct amdgpu_device *adev,
* @dst: destination address to map to
* @flags: mapping flags
*
* Update the page tables in the range @start - @end (cayman+).
*
* Global and local mutex must be locked!
* Update the page tables in the range @start - @end.
*/
static void amdgpu_vm_update_ptes(struct amdgpu_device *adev,
struct amdgpu_gart *gtt,
@ -1005,7 +995,7 @@ int amdgpu_vm_clear_invalids(struct amdgpu_device *adev,
* @vm: requested vm
* @bo: amdgpu buffer object
*
* Add @bo into the requested vm (cayman+).
* Add @bo into the requested vm.
* Add @bo to the list of bos associated with the vm
* Returns newly added bo_va or NULL for failure
*
@ -1237,7 +1227,7 @@ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev,
* @adev: amdgpu_device pointer
* @bo_va: requested bo_va
*
* Remove @bo_va->bo from the requested vm (cayman+).
* Remove @bo_va->bo from the requested vm.
*
* Object have to be reserved!
*/
@ -1282,7 +1272,7 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
* @vm: requested vm
* @bo: amdgpu buffer object
*
* Mark @bo as invalid (cayman+).
* Mark @bo as invalid.
*/
void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev,
struct amdgpu_bo *bo)
@ -1303,7 +1293,7 @@ void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev,
* @adev: amdgpu_device pointer
* @vm: requested vm
*
* Init @vm fields (cayman+).
* Init @vm fields.
*/
int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm)
{
@ -1364,7 +1354,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm)
* @adev: amdgpu_device pointer
* @vm: requested vm
*
* Tear down @vm (cayman+).
* Tear down @vm.
* Unbind the VM and remove all bos from the vm bo list
*/
void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm)