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drm/amdgpu: create a func to check vm size

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break it out from the check parameters function.

Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Zhang, Jerry 2017-03-29 16:08:31 +08:00 committed by Alex Deucher
parent 486a68f544
commit 83ca145d15
1 changed files with 31 additions and 20 deletions
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51
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View file

@ -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);