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path: root/drivers/gpu/drm/i915/display/intel_frontbuffer.h
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_frontbuffer.h')
-rw-r--r--drivers/gpu/drm/i915/display/intel_frontbuffer.h55
1 files changed, 13 insertions, 42 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.h b/drivers/gpu/drm/i915/display/intel_frontbuffer.h
index 3c474ed937fb..22677acb4c06 100644
--- a/drivers/gpu/drm/i915/display/intel_frontbuffer.h
+++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.h
@@ -26,12 +26,11 @@
#include <linux/atomic.h>
#include <linux/bits.h>
-#include <linux/kref.h>
+#include <linux/workqueue_types.h>
-#include "gem/i915_gem_object_types.h"
-#include "i915_active_types.h"
-
-struct drm_i915_private;
+struct drm_device;
+struct drm_gem_object;
+struct intel_display;
enum fb_op_origin {
ORIGIN_CPU = 0,
@@ -42,11 +41,9 @@ enum fb_op_origin {
};
struct intel_frontbuffer {
- struct kref ref;
+ struct intel_display *display;
atomic_t bits;
- struct i915_active write;
- struct drm_i915_gem_object *obj;
- struct rcu_head rcu;
+ struct work_struct flush_work;
};
/*
@@ -66,44 +63,13 @@ struct intel_frontbuffer {
GENMASK(INTEL_FRONTBUFFER_BITS_PER_PIPE * ((pipe) + 1) - 1, \
INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))
-void intel_frontbuffer_flip_prepare(struct drm_i915_private *i915,
- unsigned frontbuffer_bits);
-void intel_frontbuffer_flip_complete(struct drm_i915_private *i915,
- unsigned frontbuffer_bits);
-void intel_frontbuffer_flip(struct drm_i915_private *i915,
+void intel_frontbuffer_flip(struct intel_display *display,
unsigned frontbuffer_bits);
void intel_frontbuffer_put(struct intel_frontbuffer *front);
-static inline struct intel_frontbuffer *
-__intel_frontbuffer_get(const struct drm_i915_gem_object *obj)
-{
- struct intel_frontbuffer *front;
-
- if (likely(!rcu_access_pointer(obj->frontbuffer)))
- return NULL;
-
- rcu_read_lock();
- do {
- front = rcu_dereference(obj->frontbuffer);
- if (!front)
- break;
-
- if (unlikely(!kref_get_unless_zero(&front->ref)))
- continue;
-
- if (likely(front == rcu_access_pointer(obj->frontbuffer)))
- break;
-
- intel_frontbuffer_put(front);
- } while (1);
- rcu_read_unlock();
-
- return front;
-}
-
struct intel_frontbuffer *
-intel_frontbuffer_get(struct drm_i915_gem_object *obj);
+intel_frontbuffer_get(struct drm_gem_object *obj);
void __intel_fb_invalidate(struct intel_frontbuffer *front,
enum fb_op_origin origin,
@@ -163,8 +129,13 @@ static inline void intel_frontbuffer_flush(struct intel_frontbuffer *front,
__intel_fb_flush(front, origin, frontbuffer_bits);
}
+void intel_frontbuffer_queue_flush(struct intel_frontbuffer *front);
+
void intel_frontbuffer_track(struct intel_frontbuffer *old,
struct intel_frontbuffer *new,
unsigned int frontbuffer_bits);
+void intel_frontbuffer_init(struct intel_frontbuffer *front, struct drm_device *drm);
+void intel_frontbuffer_fini(struct intel_frontbuffer *front);
+
#endif /* __INTEL_FRONTBUFFER_H__ */