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path: root/drivers/gpu/drm/i915/intel_ringbuffer.h
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.h')
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.h15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 2e85fda94963..49fa41dc0eb6 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -377,6 +377,13 @@ intel_ring_sync_index(struct intel_engine_cs *ring,
377 return idx; 377 return idx;
378} 378}
379 379
380static inline void
381intel_flush_status_page(struct intel_engine_cs *ring, int reg)
382{
383 drm_clflush_virt_range(&ring->status_page.page_addr[reg],
384 sizeof(uint32_t));
385}
386
380static inline u32 387static inline u32
381intel_read_status_page(struct intel_engine_cs *ring, 388intel_read_status_page(struct intel_engine_cs *ring,
382 int reg) 389 int reg)
@@ -413,12 +420,12 @@ intel_write_status_page(struct intel_engine_cs *ring,
413#define I915_GEM_HWS_SCRATCH_INDEX 0x40 420#define I915_GEM_HWS_SCRATCH_INDEX 0x40
414#define I915_GEM_HWS_SCRATCH_ADDR (I915_GEM_HWS_SCRATCH_INDEX << MI_STORE_DWORD_INDEX_SHIFT) 421#define I915_GEM_HWS_SCRATCH_ADDR (I915_GEM_HWS_SCRATCH_INDEX << MI_STORE_DWORD_INDEX_SHIFT)
415 422
416void intel_unpin_ringbuffer_obj(struct intel_ringbuffer *ringbuf); 423struct intel_ringbuffer *
424intel_engine_create_ringbuffer(struct intel_engine_cs *engine, int size);
417int intel_pin_and_map_ringbuffer_obj(struct drm_device *dev, 425int intel_pin_and_map_ringbuffer_obj(struct drm_device *dev,
418 struct intel_ringbuffer *ringbuf); 426 struct intel_ringbuffer *ringbuf);
419void intel_destroy_ringbuffer_obj(struct intel_ringbuffer *ringbuf); 427void intel_unpin_ringbuffer_obj(struct intel_ringbuffer *ringbuf);
420int intel_alloc_ringbuffer_obj(struct drm_device *dev, 428void intel_ringbuffer_free(struct intel_ringbuffer *ring);
421 struct intel_ringbuffer *ringbuf);
422 429
423void intel_stop_ring_buffer(struct intel_engine_cs *ring); 430void intel_stop_ring_buffer(struct intel_engine_cs *ring);
424void intel_cleanup_ring_buffer(struct intel_engine_cs *ring); 431void intel_cleanup_ring_buffer(struct intel_engine_cs *ring);