__set_bit
__set_bit(offset, adev->wb.used);
__set_bit(CONTEXT_FORCE_SINGLE_SUBMISSION, &ctx->flags);
__set_bit(i, obj->bit_17);
__set_bit(I915_BO_ACTIVE_REF, &obj->flags);
__set_bit(id, client->guc->doorbell_bitmap);
__set_bit(bit, (unsigned long *)&execlists->active);
__set_bit(offset, rdev->doorbell.used);