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

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
...@@ -1079,6 +1079,36 @@ static void amdgpu_get_block_size(struct amdgpu_device *adev) ...@@ -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 * amdgpu_check_arguments - validate module params
* *
...@@ -1108,26 +1138,7 @@ static void amdgpu_check_arguments(struct amdgpu_device *adev) ...@@ -1108,26 +1138,7 @@ static void amdgpu_check_arguments(struct amdgpu_device *adev)
} }
} }
if (!amdgpu_check_pot_argument(amdgpu_vm_size)) { amdgpu_check_vm_size(adev);
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_get_block_size(adev); amdgpu_get_block_size(adev);
......
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