drm/i915/irq: add ilk_de_irq_postinstall()

Add a dedicated de postinstall function.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f4a8570881e9be28a2406134b2898b8680f9e765.1691509966.git.jani.nikula@intel.com

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

@@ -1583,6 +1583,47 @@ void valleyview_disable_display_irqs(struct drm_i915_private *dev_priv)
 		vlv_display_irq_reset(dev_priv);
 }
 
+void ilk_de_irq_postinstall(struct drm_i915_private *i915)
+{
+	struct intel_uncore *uncore = &i915->uncore;
+	u32 display_mask, extra_mask;
+
+	if (GRAPHICS_VER(i915) >= 7) {
+		display_mask = (DE_MASTER_IRQ_CONTROL | DE_GSE_IVB |
+				DE_PCH_EVENT_IVB | DE_AUX_CHANNEL_A_IVB);
+		extra_mask = (DE_PIPEC_VBLANK_IVB | DE_PIPEB_VBLANK_IVB |
+			      DE_PIPEA_VBLANK_IVB | DE_ERR_INT_IVB |
+			      DE_PLANE_FLIP_DONE_IVB(PLANE_C) |
+			      DE_PLANE_FLIP_DONE_IVB(PLANE_B) |
+			      DE_PLANE_FLIP_DONE_IVB(PLANE_A) |
+			      DE_DP_A_HOTPLUG_IVB);
+	} else {
+		display_mask = (DE_MASTER_IRQ_CONTROL | DE_GSE | DE_PCH_EVENT |
+				DE_AUX_CHANNEL_A | DE_PIPEB_CRC_DONE |
+				DE_PIPEA_CRC_DONE | DE_POISON);
+		extra_mask = (DE_PIPEA_VBLANK | DE_PIPEB_VBLANK |
+			      DE_PIPEB_FIFO_UNDERRUN | DE_PIPEA_FIFO_UNDERRUN |
+			      DE_PLANE_FLIP_DONE(PLANE_A) |
+			      DE_PLANE_FLIP_DONE(PLANE_B) |
+			      DE_DP_A_HOTPLUG);
+	}
+
+	if (IS_HASWELL(i915)) {
+		gen3_assert_iir_is_zero(uncore, EDP_PSR_IIR);
+		display_mask |= DE_EDP_PSR_INT_HSW;
+	}
+
+	if (IS_IRONLAKE_M(i915))
+		extra_mask |= DE_PCU_EVENT;
+
+	i915->irq_mask = ~display_mask;
+
+	ibx_irq_postinstall(i915);
+
+	GEN3_IRQ_INIT(uncore, DE, i915->irq_mask,
+		      display_mask | extra_mask);
+}
+
 void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv)
 {
 	struct intel_uncore *uncore = &dev_priv->uncore;

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

@@ -61,6 +61,7 @@ void gen11_display_irq_reset(struct drm_i915_private *i915);
 void ibx_irq_postinstall(struct drm_i915_private *i915);
 void vlv_display_irq_postinstall(struct drm_i915_private *i915);
 void icp_irq_postinstall(struct drm_i915_private *i915);
+void ilk_de_irq_postinstall(struct drm_i915_private *i915);
 void gen8_de_irq_postinstall(struct drm_i915_private *i915);
 void gen11_de_irq_postinstall(struct drm_i915_private *i915);
 void dg1_de_irq_postinstall(struct drm_i915_private *i915);

drivers/gpu/drm/i915/i915_irq.c

@@ -772,45 +772,9 @@ static void cherryview_irq_reset(struct drm_i915_private *dev_priv)
 
 static void ilk_irq_postinstall(struct drm_i915_private *dev_priv)
 {
-	struct intel_uncore *uncore = &dev_priv->uncore;
-	u32 display_mask, extra_mask;
-
-	if (GRAPHICS_VER(dev_priv) >= 7) {
-		display_mask = (DE_MASTER_IRQ_CONTROL | DE_GSE_IVB |
-				DE_PCH_EVENT_IVB | DE_AUX_CHANNEL_A_IVB);
-		extra_mask = (DE_PIPEC_VBLANK_IVB | DE_PIPEB_VBLANK_IVB |
-			      DE_PIPEA_VBLANK_IVB | DE_ERR_INT_IVB |
-			      DE_PLANE_FLIP_DONE_IVB(PLANE_C) |
-			      DE_PLANE_FLIP_DONE_IVB(PLANE_B) |
-			      DE_PLANE_FLIP_DONE_IVB(PLANE_A) |
-			      DE_DP_A_HOTPLUG_IVB);
-	} else {
-		display_mask = (DE_MASTER_IRQ_CONTROL | DE_GSE | DE_PCH_EVENT |
-				DE_AUX_CHANNEL_A | DE_PIPEB_CRC_DONE |
-				DE_PIPEA_CRC_DONE | DE_POISON);
-		extra_mask = (DE_PIPEA_VBLANK | DE_PIPEB_VBLANK |
-			      DE_PIPEB_FIFO_UNDERRUN | DE_PIPEA_FIFO_UNDERRUN |
-			      DE_PLANE_FLIP_DONE(PLANE_A) |
-			      DE_PLANE_FLIP_DONE(PLANE_B) |
-			      DE_DP_A_HOTPLUG);
-	}
-
-	if (IS_HASWELL(dev_priv)) {
-		gen3_assert_iir_is_zero(uncore, EDP_PSR_IIR);
-		display_mask |= DE_EDP_PSR_INT_HSW;
-	}
-
-	if (IS_IRONLAKE_M(dev_priv))
-		extra_mask |= DE_PCU_EVENT;
-
-	dev_priv->irq_mask = ~display_mask;
-
-	ibx_irq_postinstall(dev_priv);
-
 	gen5_gt_irq_postinstall(to_gt(dev_priv));
 
-	GEN3_IRQ_INIT(uncore, DE, dev_priv->irq_mask,
-		      display_mask | extra_mask);
+	ilk_de_irq_postinstall(dev_priv);
 }
 
 static void valleyview_irq_postinstall(struct drm_i915_private *dev_priv)