drm/i915: report Gen5+ CPU and PCH FIFO underruns

[linux-imx.git] / drivers / gpu / drm / i915 / intel_drv.h

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 63264ed0c9a6dd62130ec956d0c2bc5289f29297..c20201d948eb86472113824d4ea94106c01a97ad 100644 (file)
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -265,6 +265,10 @@ struct intel_crtc {
 
        /* reset counter value when the last flip was submitted */
        unsigned int reset_counter;
+
+       /* Access to these should be protected by dev_priv->irq_lock. */
+       bool cpu_fifo_underrun_disabled;
+       bool pch_fifo_underrun_disabled;
 };
 
 struct intel_plane {
@@ -487,6 +491,7 @@ int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
 extern void intel_attach_force_audio_property(struct drm_connector *connector);
 extern void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
 
+extern bool intel_pipe_has_type(struct drm_crtc *crtc, int type);
 extern void intel_crt_init(struct drm_device *dev);
 extern void intel_hdmi_init(struct drm_device *dev,
                            int hdmi_reg, enum port port);
@@ -743,5 +748,11 @@ intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
 extern void intel_ddi_fdi_disable(struct drm_crtc *crtc);
 
 extern void intel_display_handle_reset(struct drm_device *dev);
+extern bool intel_set_cpu_fifo_underrun_reporting(struct drm_device *dev,
+                                                 enum pipe pipe,
+                                                 bool enable);
+extern bool intel_set_pch_fifo_underrun_reporting(struct drm_device *dev,
+                                                enum transcoder pch_transcoder,
+                                                bool enable);
 
 #endif /* __INTEL_DRV_H__ */