[PATCH 1/6] drm/amdkfd: Update parameter type of pasid to uint16_t

Zhao, Yong Yong.Zhao at amd.com
Mon Sep 30 21:57:03 UTC 2019


I will drop this one, because I found many other functions use 32 bits 
as well and it seems to be convenient.

Regards,

Yong

On 2019-09-30 11:54 a.m., Kuehling, Felix wrote:
> If you want to make this interface consistent, you should make the vmid
> parameter uint8_t at the same time. That said, you don't really save any
> resources, because 8-bit and 16-bit ints still consume 32-bits on the
> call stack.
>
> Regards,
>     Felix
>
> On 2019-09-27 11:41 p.m., Zhao, Yong wrote:
>> This is consistent with other code and registers in the code.
>>
>> Change-Id: I04dd12bdb465a43cfcd8936ed0f227a6546830e8
>> Signed-off-by: Yong Zhao <Yong.Zhao at amd.com>
>> ---
>>    drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c    | 4 ++--
>>    drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c     | 4 ++--
>>    drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c     | 4 ++--
>>    drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c     | 2 +-
>>    drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.h     | 2 +-
>>    drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 4 ++--
>>    drivers/gpu/drm/amd/include/kgd_kfd_interface.h       | 2 +-
>>    7 files changed, 11 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
>> index 122698f8dd1e..33cbf1d073d3 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
>> @@ -59,7 +59,7 @@ static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
>>    		uint32_t sh_mem_config,
>>    		uint32_t sh_mem_ape1_base, uint32_t sh_mem_ape1_limit,
>>    		uint32_t sh_mem_bases);
>> -static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
>> +static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, uint16_t pasid,
>>    		unsigned int vmid);
>>    static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id);
>>    static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
>> @@ -232,7 +232,7 @@ static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
>>    	unlock_srbm(kgd);
>>    }
>>    
>> -static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
>> +static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, uint16_t pasid,
>>    					unsigned int vmid)
>>    {
>>    	struct amdgpu_device *adev = get_amdgpu_device(kgd);
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
>> index f77ddf7dba2b..0210d791dea1 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
>> @@ -94,7 +94,7 @@ static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
>>    		uint32_t sh_mem_config,	uint32_t sh_mem_ape1_base,
>>    		uint32_t sh_mem_ape1_limit, uint32_t sh_mem_bases);
>>    
>> -static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
>> +static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, uint16_t pasid,
>>    					unsigned int vmid);
>>    
>>    static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id);
>> @@ -256,7 +256,7 @@ static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
>>    	unlock_srbm(kgd);
>>    }
>>    
>> -static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
>> +static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, uint16_t pasid,
>>    					unsigned int vmid)
>>    {
>>    	struct amdgpu_device *adev = get_amdgpu_device(kgd);
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
>> index 7478caf096ad..7a4c762e1209 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
>> @@ -52,7 +52,7 @@ static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
>>    		uint32_t sh_mem_config,
>>    		uint32_t sh_mem_ape1_base, uint32_t sh_mem_ape1_limit,
>>    		uint32_t sh_mem_bases);
>> -static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
>> +static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, uint16_t pasid,
>>    		unsigned int vmid);
>>    static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id);
>>    static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
>> @@ -210,7 +210,7 @@ static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
>>    	unlock_srbm(kgd);
>>    }
>>    
>> -static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
>> +static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, uint16_t pasid,
>>    					unsigned int vmid)
>>    {
>>    	struct amdgpu_device *adev = get_amdgpu_device(kgd);
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
>> index 50f885576bbe..6be6061c5554 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
>> @@ -142,7 +142,7 @@ void kgd_gfx_v9_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
>>    	unlock_srbm(kgd);
>>    }
>>    
>> -int kgd_gfx_v9_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
>> +int kgd_gfx_v9_set_pasid_vmid_mapping(struct kgd_dev *kgd, uint16_t pasid,
>>    					unsigned int vmid)
>>    {
>>    	struct amdgpu_device *adev = get_amdgpu_device(kgd);
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.h
>> index d9e9ad22b2bd..e61f0556daa3 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.h
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.h
>> @@ -26,7 +26,7 @@ void kgd_gfx_v9_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
>>    		uint32_t sh_mem_config,
>>    		uint32_t sh_mem_ape1_base, uint32_t sh_mem_ape1_limit,
>>    		uint32_t sh_mem_bases);
>> -int kgd_gfx_v9_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
>> +int kgd_gfx_v9_set_pasid_vmid_mapping(struct kgd_dev *kgd, uint16_t pasid,
>>    		unsigned int vmid);
>>    int kgd_gfx_v9_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id);
>>    int kgd_gfx_v9_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
>> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
>> index 553c45e16815..8d915a28468d 100644
>> --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
>> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
>> @@ -40,7 +40,7 @@
>>    #define CIK_HPD_EOP_BYTES (1U << CIK_HPD_EOP_BYTES_LOG2)
>>    
>>    static int set_pasid_vmid_mapping(struct device_queue_manager *dqm,
>> -					unsigned int pasid, unsigned int vmid);
>> +					uint16_t pasid, unsigned int vmid);
>>    
>>    static int execute_queues_cpsch(struct device_queue_manager *dqm,
>>    				enum kfd_unmap_queues_filter filter,
>> @@ -846,7 +846,7 @@ static int unregister_process(struct device_queue_manager *dqm,
>>    }
>>    
>>    static int
>> -set_pasid_vmid_mapping(struct device_queue_manager *dqm, unsigned int pasid,
>> +set_pasid_vmid_mapping(struct device_queue_manager *dqm, uint16_t pasid,
>>    			unsigned int vmid)
>>    {
>>    	return dqm->dev->kfd2kgd->set_pasid_vmid_mapping(
>> diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
>> index 2cd217e60125..a222abb8dc31 100644
>> --- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
>> +++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
>> @@ -246,7 +246,7 @@ struct kfd2kgd_calls {
>>    			uint32_t sh_mem_config,	uint32_t sh_mem_ape1_base,
>>    			uint32_t sh_mem_ape1_limit, uint32_t sh_mem_bases);
>>    
>> -	int (*set_pasid_vmid_mapping)(struct kgd_dev *kgd, unsigned int pasid,
>> +	int (*set_pasid_vmid_mapping)(struct kgd_dev *kgd, uint16_t pasid,
>>    					unsigned int vmid);
>>    
>>    	int (*init_interrupts)(struct kgd_dev *kgd, uint32_t pipe_id);


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