ctx_ctl          1485 drivers/gpu/drm/i915/gvt/scheduler.c 	u32 head, tail, start, ctl, ctx_ctl, per_ctx, indirect_ctx;
ctx_ctl          1531 drivers/gpu/drm/i915/gvt/scheduler.c 			RING_CTX_OFF(ctx_ctrl.val), &ctx_ctl, 4);