drm/i915/bdw: Emission of requests with logical rings

[deliverable/linux.git] / drivers / gpu / drm / i915 / intel_lrc.h

diff --git a/drivers/gpu/drm/i915/intel_lrc.h b/drivers/gpu/drm/i915/intel_lrc.h
index 3b93572431e3ed58ab839f325f8270d6c8b92cf5..460e1af15600cf8ae1d973e0412712de38817fec 100644 (file)
--- a/drivers/gpu/drm/i915/intel_lrc.h
+++ b/drivers/gpu/drm/i915/intel_lrc.h
@@ -24,6 +24,25 @@
 #ifndef _INTEL_LRC_H_
 #define _INTEL_LRC_H_
 
+/* Logical Rings */
+void intel_logical_ring_stop(struct intel_engine_cs *ring);
+void intel_logical_ring_cleanup(struct intel_engine_cs *ring);
+int intel_logical_rings_init(struct drm_device *dev);
+
+int logical_ring_flush_all_caches(struct intel_ringbuffer *ringbuf);
+void intel_logical_ring_advance_and_submit(struct intel_ringbuffer *ringbuf);
+static inline void intel_logical_ring_advance(struct intel_ringbuffer *ringbuf)
+{
+       ringbuf->tail &= ringbuf->size - 1;
+}
+static inline void intel_logical_ring_emit(struct intel_ringbuffer *ringbuf,
+                                          u32 data)
+{
+       iowrite32(data, ringbuf->virtual_start + ringbuf->tail);
+       ringbuf->tail += 4;
+}
+int intel_logical_ring_begin(struct intel_ringbuffer *ringbuf, int num_dwords);
+
 /* Logical Ring Contexts */
 void intel_lr_context_free(struct intel_context *ctx);
 int intel_lr_context_deferred_create(struct intel_context *ctx,
@@ -31,5 +50,12 @@ int intel_lr_context_deferred_create(struct intel_context *ctx,
 
 /* Execlists */
 int intel_sanitize_enable_execlists(struct drm_device *dev, int enable_execlists);
+int intel_execlists_submission(struct drm_device *dev, struct drm_file *file,
+                              struct intel_engine_cs *ring,
+                              struct intel_context *ctx,
+                              struct drm_i915_gem_execbuffer2 *args,
+                              struct list_head *vmas,
+                              struct drm_i915_gem_object *batch_obj,
+                              u64 exec_start, u32 flags);
 
 #endif /* _INTEL_LRC_H_ */