[PATCH] drm/amdgpu: Update function level documentation for GPUVM.

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Am 13.06.2018 um 22:25 schrieb Alex Deucher:
> On Wed, Jun 13, 2018 at 4:03 PM, Andrey Grodzovsky
> <andrey.grodzovsky at amd.com> wrote:
>> Add documentation for missed parameters.
>>
>> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 12 ++++++++++++
>>   1 file changed, 12 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
>> index 6d22942..bdd6ffb 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
>> @@ -347,6 +347,7 @@ bool amdgpu_vm_ready(struct amdgpu_vm *vm)
>>    * @vm: VM to clear BO from
>>    * @bo: BO to clear
>>    * @level: level this BO is at
>> + * @pte_support_ats: indicate ATS support from PTE
>>    *
>>    * Root PD needs to be reserved when calling this.
>>    *
>> @@ -673,6 +674,7 @@ bool amdgpu_vm_need_pipeline_sync(struct amdgpu_ring *ring,
>>    * amdgpu_vm_flush - hardware flush the vm
>>    *
>>    * @ring: ring to use for flush
>> + * @job:  related job
>>    * @need_pipe_sync: is pipe sync needed
>>    *
>>    * Emit a VM flush when it is necessary.
>> @@ -1763,6 +1765,7 @@ static void amdgpu_vm_prt_put(struct amdgpu_device *adev)
>>    * amdgpu_vm_prt_cb - callback for updating the PRT status
>>    *
>>    * @fence: fence for the callback
>> + * @_cb: the callback function
>>    */
>>   static void amdgpu_vm_prt_cb(struct dma_fence *fence, struct dma_fence_cb *_cb)
>>   {
>> @@ -2041,6 +2044,7 @@ static void amdgpu_vm_bo_insert_map(struct amdgpu_device *adev,
>>    * @bo_va: bo_va to store the address
>>    * @saddr: where to map the BO
>>    * @offset: requested offset in the BO
>> + * @size: BO size
> For clarify:
> BO size in bytes
>
>>    * @flags: attributes of pages (read/write/valid/etc.)
>>    *
>>    * Add a mapping of the BO at the specefied addr into the VM.
>> @@ -2104,6 +2108,7 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
>>    * @bo_va: bo_va to store the address
>>    * @saddr: where to map the BO
>>    * @offset: requested offset in the BO
>> + * @size: BO size
> Same here.
>
> With those fixed:
> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

With Alex comments fixed Reviewed-by: Christian König 
<christian.koenig at amd.com>.

Regards,
Christian.

>
>>    * @flags: attributes of pages (read/write/valid/etc.)
>>    *
>>    * Add a mapping of the BO at the specefied addr into the VM. Replace existing
>> @@ -2322,6 +2327,7 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev,
>>    * amdgpu_vm_bo_lookup_mapping - find mapping by address
>>    *
>>    * @vm: the requested VM
>> + * @addr: the address
>>    *
>>    * Find a mapping by it's address.
>>    *
>> @@ -2380,6 +2386,7 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
>>    *
>>    * @adev: amdgpu_device pointer
>>    * @bo: amdgpu buffer object
>> + * @evicted: is the BO evicted
>>    *
>>    * Mark @bo as invalid.
>>    */
>> @@ -2445,6 +2452,10 @@ static uint32_t amdgpu_vm_get_block_size(uint64_t vm_size)
>>    *
>>    * @adev: amdgpu_device pointer
>>    * @vm_size: the default vm size if it's set auto
>> + * @fragment_size_default: Default PTE fragment size
>> + * @max_level: max VMPT level
>> + * @max_bits: max address space size in bits
>> + *
>>    */
>>   void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t vm_size,
>>                             uint32_t fragment_size_default, unsigned max_level,
>> @@ -2512,6 +2523,7 @@ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t vm_size,
>>    * @adev: amdgpu_device pointer
>>    * @vm: requested vm
>>    * @vm_context: Indicates if it GFX or Compute context
>> + * @pasid: Process address space identifier
>>    *
>>    * Init @vm fields.
>>    *
>> --
>> 2.7.4
>>
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>> amd-gfx at lists.freedesktop.org
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