Merge drm/drm-next into drm-misc-next

We haven't done any backmerge for a while due to the merge window, and it
starts to become an issue for komeda. Let's bring 5.4-rc1 in.

Signed-off-by: Maxime Ripard <mripard@kernel.org>

1 files changed, 48 insertions, 22 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.h b/drivers/gpu/drm/i915/display/intel_frontbuffer.h
index 5727320c8084..adc64d61a4a5 100644
--- a/drivers/gpu/drm/i915/display/intel_frontbuffer.h
+++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.h
@@ -24,7 +24,10 @@
 #ifndef __INTEL_FRONTBUFFER_H__
 #define __INTEL_FRONTBUFFER_H__
 
-#include "gem/i915_gem_object.h"
+#include <linux/atomic.h>
+#include <linux/kref.h>
+
+#include "i915_active.h"
 
 struct drm_i915_private;
 struct drm_i915_gem_object;
@@ -37,23 +40,30 @@ enum fb_op_origin {
 	ORIGIN_DIRTYFB,
 };
 
-void intel_frontbuffer_flip_prepare(struct drm_i915_private *dev_priv,
+struct intel_frontbuffer {
+	struct kref ref;
+	atomic_t bits;
+	struct i915_active write;
+	struct drm_i915_gem_object *obj;
+};
+
+void intel_frontbuffer_flip_prepare(struct drm_i915_private *i915,
 				    unsigned frontbuffer_bits);
-void intel_frontbuffer_flip_complete(struct drm_i915_private *dev_priv,
+void intel_frontbuffer_flip_complete(struct drm_i915_private *i915,
 				     unsigned frontbuffer_bits);
-void intel_frontbuffer_flip(struct drm_i915_private *dev_priv,
+void intel_frontbuffer_flip(struct drm_i915_private *i915,
 			    unsigned frontbuffer_bits);
 
-void __intel_fb_obj_invalidate(struct drm_i915_gem_object *obj,
-			       enum fb_op_origin origin,
-			       unsigned int frontbuffer_bits);
-void __intel_fb_obj_flush(struct drm_i915_gem_object *obj,
-			  enum fb_op_origin origin,
-			  unsigned int frontbuffer_bits);
+struct intel_frontbuffer *
+intel_frontbuffer_get(struct drm_i915_gem_object *obj);
+
+void __intel_fb_invalidate(struct intel_frontbuffer *front,
+			   enum fb_op_origin origin,
+			   unsigned int frontbuffer_bits);
 
 /**
- * intel_fb_obj_invalidate - invalidate frontbuffer object
- * @obj: GEM object to invalidate
+ * intel_frontbuffer_invalidate - invalidate frontbuffer object
+ * @front: GEM object to invalidate
  * @origin: which operation caused the invalidation
  *
  * This function gets called every time rendering on the given object starts and
@@ -62,37 +72,53 @@ void __intel_fb_obj_flush(struct drm_i915_gem_object *obj,
  * until the rendering completes or a flip on this frontbuffer plane is
  * scheduled.
  */
-static inline bool intel_fb_obj_invalidate(struct drm_i915_gem_object *obj,
-					   enum fb_op_origin origin)
+static inline bool intel_frontbuffer_invalidate(struct intel_frontbuffer *front,
+						enum fb_op_origin origin)
 {
 	unsigned int frontbuffer_bits;
 
-	frontbuffer_bits = atomic_read(&obj->frontbuffer_bits);
+	if (!front)
+		return false;
+
+	frontbuffer_bits = atomic_read(&front->bits);
 	if (!frontbuffer_bits)
 		return false;
 
-	__intel_fb_obj_invalidate(obj, origin, frontbuffer_bits);
+	__intel_fb_invalidate(front, origin, frontbuffer_bits);
 	return true;
 }
 
+void __intel_fb_flush(struct intel_frontbuffer *front,
+		      enum fb_op_origin origin,
+		      unsigned int frontbuffer_bits);
+
 /**
- * intel_fb_obj_flush - flush frontbuffer object
- * @obj: GEM object to flush
+ * intel_frontbuffer_flush - flush frontbuffer object
+ * @front: GEM object to flush
  * @origin: which operation caused the flush
  *
  * This function gets called every time rendering on the given object has
  * completed and frontbuffer caching can be started again.
  */
-static inline void intel_fb_obj_flush(struct drm_i915_gem_object *obj,
-				      enum fb_op_origin origin)
+static inline void intel_frontbuffer_flush(struct intel_frontbuffer *front,
+					   enum fb_op_origin origin)
 {
 	unsigned int frontbuffer_bits;
 
-	frontbuffer_bits = atomic_read(&obj->frontbuffer_bits);
+	if (!front)
+		return;
+
+	frontbuffer_bits = atomic_read(&front->bits);
 	if (!frontbuffer_bits)
 		return;
 
-	__intel_fb_obj_flush(obj, origin, frontbuffer_bits);
+	__intel_fb_flush(front, origin, frontbuffer_bits);
 }
 
+void intel_frontbuffer_track(struct intel_frontbuffer *old,
+			     struct intel_frontbuffer *new,
+			     unsigned int frontbuffer_bits);
+
+void intel_frontbuffer_put(struct intel_frontbuffer *front);
+
 #endif /* __INTEL_FRONTBUFFER_H__ */