drm/i915/irq: relocate gmbus and dp aux irq handlers

Move gmbus and dp aux irq handlers to their respective files. It should
be up to them what to do with the irq, not the generic irq code.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/e825385fc03cb3d53c1f0b66712eea42dad69d59.1683219363.git.jani.nikula@intel.com

drivers/gpu/drm/i915/display/intel_dp_aux.c

@@ -814,3 +814,8 @@ enum aux_ch intel_dp_aux_ch(struct intel_encoder *encoder)
 
 	return aux_ch;
 }
+
+void intel_dp_aux_irq_handler(struct drm_i915_private *i915)
+{
+	wake_up_all(&i915->display.gmbus.wait_queue);
+}

drivers/gpu/drm/i915/display/intel_dp_aux.h

@@ -7,6 +7,7 @@
 #define __INTEL_DP_AUX_H__
 
 enum aux_ch;
+struct drm_i915_private;
 struct intel_dp;
 struct intel_encoder;
 
@@ -15,4 +16,6 @@ void intel_dp_aux_init(struct intel_dp *intel_dp);
 
 enum aux_ch intel_dp_aux_ch(struct intel_encoder *encoder);
 
+void intel_dp_aux_irq_handler(struct drm_i915_private *i915);
+
 #endif /* __INTEL_DP_AUX_H__ */

drivers/gpu/drm/i915/display/intel_gmbus.c

@@ -991,3 +991,8 @@ void intel_gmbus_teardown(struct drm_i915_private *i915)
 		i915->display.gmbus.bus[pin] = NULL;
 	}
 }
+
+void intel_gmbus_irq_handler(struct drm_i915_private *i915)
+{
+	wake_up_all(&i915->display.gmbus.wait_queue);
+}

drivers/gpu/drm/i915/display/intel_gmbus.h

@@ -46,4 +46,6 @@ void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
 bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter);
 void intel_gmbus_reset(struct drm_i915_private *dev_priv);
 
+void intel_gmbus_irq_handler(struct drm_i915_private *i915);
+
 #endif /* __INTEL_GMBUS_H__ */

drivers/gpu/drm/i915/i915_irq.c

@@ -37,8 +37,10 @@
 #include "display/intel_de.h"
 #include "display/intel_display_trace.h"
 #include "display/intel_display_types.h"
+#include "display/intel_dp_aux.h"
 #include "display/intel_fdi_regs.h"
 #include "display/intel_fifo_underrun.h"
+#include "display/intel_gmbus.h"
 #include "display/intel_hotplug.h"
 #include "display/intel_lpe_audio.h"
 #include "display/intel_psr.h"
@@ -925,16 +927,6 @@ static u32 intel_hpd_hotplug_enables(struct drm_i915_private *i915,
 	return hotplug;
 }
 
-static void gmbus_irq_handler(struct drm_i915_private *dev_priv)
-{
-	wake_up_all(&dev_priv->display.gmbus.wait_queue);
-}
-
-static void dp_aux_irq_handler(struct drm_i915_private *dev_priv)
-{
-	wake_up_all(&dev_priv->display.gmbus.wait_queue);
-}
-
 #if defined(CONFIG_DEBUG_FS)
 static void display_pipe_crc_irq_handler(struct drm_i915_private *dev_priv,
 					 enum pipe pipe,
@@ -1181,7 +1173,7 @@ static void i965_pipestat_irq_handler(struct drm_i915_private *dev_priv,
 		intel_opregion_asle_intr(dev_priv);
 
 	if (pipe_stats[0] & PIPE_GMBUS_INTERRUPT_STATUS)
-		gmbus_irq_handler(dev_priv);
+		intel_gmbus_irq_handler(dev_priv);
 }
 
 static void valleyview_pipestat_irq_handler(struct drm_i915_private *dev_priv,
@@ -1204,7 +1196,7 @@ static void valleyview_pipestat_irq_handler(struct drm_i915_private *dev_priv,
 	}
 
 	if (pipe_stats[0] & PIPE_GMBUS_INTERRUPT_STATUS)
-		gmbus_irq_handler(dev_priv);
+		intel_gmbus_irq_handler(dev_priv);
 }
 
 static u32 i9xx_hpd_irq_ack(struct drm_i915_private *dev_priv)
@@ -1269,7 +1261,7 @@ static void i9xx_hpd_irq_handler(struct drm_i915_private *dev_priv,
 	if ((IS_G4X(dev_priv) ||
 	     IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
 	    hotplug_status & DP_AUX_CHANNEL_MASK_INT_STATUS_G4X)
-		dp_aux_irq_handler(dev_priv);
+		intel_dp_aux_irq_handler(dev_priv);
 }
 
 static irqreturn_t valleyview_irq_handler(int irq, void *arg)
@@ -1483,10 +1475,10 @@ static void ibx_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
 	}
 
 	if (pch_iir & SDE_AUX_MASK)
-		dp_aux_irq_handler(dev_priv);
+		intel_dp_aux_irq_handler(dev_priv);
 
 	if (pch_iir & SDE_GMBUS)
-		gmbus_irq_handler(dev_priv);
+		intel_gmbus_irq_handler(dev_priv);
 
 	if (pch_iir & SDE_AUDIO_HDCP_MASK)
 		drm_dbg(&dev_priv->drm, "PCH HDCP audio interrupt\n");
@@ -1571,10 +1563,10 @@ static void cpt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
 	}
 
 	if (pch_iir & SDE_AUX_MASK_CPT)
-		dp_aux_irq_handler(dev_priv);
+		intel_dp_aux_irq_handler(dev_priv);
 
 	if (pch_iir & SDE_GMBUS_CPT)
-		gmbus_irq_handler(dev_priv);
+		intel_gmbus_irq_handler(dev_priv);
 
 	if (pch_iir & SDE_AUDIO_CP_REQ_CPT)
 		drm_dbg(&dev_priv->drm, "Audio CP request interrupt\n");
@@ -1624,7 +1616,7 @@ static void xelpdp_pica_irq_handler(struct drm_i915_private *i915, u32 iir)
 	}
 
 	if (trigger_aux)
-		dp_aux_irq_handler(i915);
+		intel_dp_aux_irq_handler(i915);
 
 	if (!pin_mask && !trigger_aux)
 		drm_err(&i915->drm,
@@ -1666,7 +1658,7 @@ static void icp_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
 		intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
 
 	if (pch_iir & SDE_GMBUS_ICP)
-		gmbus_irq_handler(dev_priv);
+		intel_gmbus_irq_handler(dev_priv);
 }
 
 static void spt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
@@ -1702,7 +1694,7 @@ static void spt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
 		intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
 
 	if (pch_iir & SDE_GMBUS_CPT)
-		gmbus_irq_handler(dev_priv);
+		intel_gmbus_irq_handler(dev_priv);
 }
 
 static void ilk_hpd_irq_handler(struct drm_i915_private *dev_priv,
@@ -1730,7 +1722,7 @@ static void ilk_display_irq_handler(struct drm_i915_private *dev_priv,
 		ilk_hpd_irq_handler(dev_priv, hotplug_trigger);
 
 	if (de_iir & DE_AUX_CHANNEL_A)
-		dp_aux_irq_handler(dev_priv);
+		intel_dp_aux_irq_handler(dev_priv);
 
 	if (de_iir & DE_GSE)
 		intel_opregion_asle_intr(dev_priv);
@@ -1782,7 +1774,7 @@ static void ivb_display_irq_handler(struct drm_i915_private *dev_priv,
 		ivb_err_int_handler(dev_priv);
 
 	if (de_iir & DE_AUX_CHANNEL_A_IVB)
-		dp_aux_irq_handler(dev_priv);
+		intel_dp_aux_irq_handler(dev_priv);
 
 	if (de_iir & DE_GSE_IVB)
 		intel_opregion_asle_intr(dev_priv);
@@ -2174,7 +2166,7 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl)
 			ret = IRQ_HANDLED;
 
 			if (iir & gen8_de_port_aux_mask(dev_priv)) {
-				dp_aux_irq_handler(dev_priv);
+				intel_dp_aux_irq_handler(dev_priv);
 				found = true;
 			}
 
@@ -2196,7 +2188,7 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl)
 
 			if ((IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) &&
 			    (iir & BXT_DE_PORT_GMBUS)) {
-				gmbus_irq_handler(dev_priv);
+				intel_gmbus_irq_handler(dev_priv);
 				found = true;
 			}