amdgpu_ngg
extern int amdgpu_ngg;
int amdgpu_ngg = 0;
module_param_named(ngg, amdgpu_ngg, int, 0444);
struct amdgpu_ngg ngg;
if (amdgpu_ngg) {
if (!amdgpu_ngg || adev->gfx.ngg.init == true)
if (!amdgpu_ngg)