AMDGPU_DMUB_NOTIFICATION_MAX
static_assert(AMDGPU_DMUB_NOTIFICATION_MAX == DMUB_NOTIFICATION_MAX, "AMDGPU_DMUB_NOTIFICATION_MAX mismatch");
dmub_notify_interrupt_callback_t dmub_callback[AMDGPU_DMUB_NOTIFICATION_MAX];
bool dmub_thread_offload[AMDGPU_DMUB_NOTIFICATION_MAX];