1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2019 Intel Corporation 4 */ 5 6 #ifndef __INTEL_FIFO_UNDERRUN_H__ 7 #define __INTEL_FIFO_UNDERRUN_H__ 8 9 #include <linux/types.h> 10 11 struct drm_i915_private; 12 struct intel_crtc; 13 enum pipe; 14 15 void intel_init_fifo_underrun_reporting(struct drm_i915_private *i915, 16 struct intel_crtc *crtc, bool enable); 17 bool intel_set_cpu_fifo_underrun_reporting(struct drm_i915_private *dev_priv, 18 enum pipe pipe, bool enable); 19 bool intel_set_pch_fifo_underrun_reporting(struct drm_i915_private *dev_priv, 20 enum pipe pch_transcoder, 21 bool enable); 22 void intel_cpu_fifo_underrun_irq_handler(struct drm_i915_private *dev_priv, 23 enum pipe pipe); 24 void intel_pch_fifo_underrun_irq_handler(struct drm_i915_private *dev_priv, 25 enum pipe pch_transcoder); 26 void intel_check_cpu_fifo_underruns(struct drm_i915_private *dev_priv); 27 void intel_check_pch_fifo_underruns(struct drm_i915_private *dev_priv); 28 29 #endif /* __INTEL_FIFO_UNDERRUN_H__ */ 30