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Commit 83ca145d authored by Zhang, Jerry's avatar Zhang, Jerry Committed by Alex Deucher
Browse files

drm/amdgpu: create a func to check vm size 



break it out from the check parameters function.

Signed-off-by: default avatarJunwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: default avatarChunming Zhou <david1.zhou@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 486a68f5

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

+31 −20
Original line number Diff line number Diff line
@@ -1079,6 +1079,36 @@ static void amdgpu_get_block_size(struct amdgpu_device *adev) 
	}

}



static void amdgpu_check_vm_size(struct amdgpu_device *adev)

{

	if (!amdgpu_check_pot_argument(amdgpu_vm_size)) {

		dev_warn(adev->dev, "VM size (%d) must be a power of 2\n",

			 amdgpu_vm_size);

		goto def_value;

	}



	if (amdgpu_vm_size < 1) {

		dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n",

			 amdgpu_vm_size);

		goto def_value;

	}



	/*

	 * Max GPUVM size for Cayman, SI, CI VI are 40 bits.

	 */

	if (amdgpu_vm_size > 1024) {

		dev_warn(adev->dev, "VM size (%d) too large, max is 1TB\n",

			 amdgpu_vm_size);

		goto def_value;

	}



	return;



def_value:

	amdgpu_vm_size = 8;

	dev_info(adev->dev, "set default VM size %dGB\n", amdgpu_vm_size);

}



/**

 * amdgpu_check_arguments - validate module params

 *
@@ -1108,26 +1138,7 @@ static void amdgpu_check_arguments(struct amdgpu_device *adev) 
		}

	}



	if (!amdgpu_check_pot_argument(amdgpu_vm_size)) {

		dev_warn(adev->dev, "VM size (%d) must be a power of 2\n",

			 amdgpu_vm_size);

		amdgpu_vm_size = 8;

	}



	if (amdgpu_vm_size < 1) {

		dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n",

			 amdgpu_vm_size);

		amdgpu_vm_size = 8;

	}



	/*

	 * Max GPUVM size for Cayman, SI and CI are 40 bits.

	 */

	if (amdgpu_vm_size > 1024) {

		dev_warn(adev->dev, "VM size (%d) too large, max is 1TB\n",

			 amdgpu_vm_size);

		amdgpu_vm_size = 8;

	}

	amdgpu_check_vm_size(adev);



	amdgpu_get_block_size(adev);