[PATCH 18/20] drm/i915: add gen8_irq_reset

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From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>

So we can merge all the common code from postinstall and uninstall.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_irq.c | 26 +++++++-------------------
 1 file changed, 7 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 4917a8c..d6723ab 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2899,7 +2899,7 @@ static void valleyview_irq_preinstall(struct drm_device *dev)
 	POSTING_READ(VLV_IER);
 }
 
-static void gen8_irq_preinstall(struct drm_device *dev)
+static void gen8_irq_reset(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	int pipe;
@@ -2924,6 +2924,11 @@ static void gen8_irq_preinstall(struct drm_device *dev)
 	ibx_irq_reset(dev);
 }
 
+static void gen8_irq_preinstall(struct drm_device *dev)
+{
+	gen8_irq_reset(dev);
+}
+
 static void ibx_hpd_irq_setup(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@@ -3253,30 +3258,13 @@ static int gen8_irq_postinstall(struct drm_device *dev)
 static void gen8_irq_uninstall(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	int pipe;
 
 	if (!dev_priv)
 		return;
 
 	intel_hpd_irq_uninstall(dev_priv);
 
-	I915_WRITE(GEN8_MASTER_IRQ, 0);
-
-	GEN8_IRQ_RESET_NDX(GT, 0);
-	GEN8_IRQ_RESET_NDX(GT, 1);
-	GEN8_IRQ_RESET_NDX(GT, 2);
-	GEN8_IRQ_RESET_NDX(GT, 3);
-
-	for_each_pipe(pipe)
-		GEN8_IRQ_RESET_NDX(DE_PIPE, pipe);
-
-	GEN5_IRQ_RESET(GEN8_DE_PORT_);
-	GEN5_IRQ_RESET(GEN8_DE_MISC_);
-	GEN5_IRQ_RESET(GEN8_PCU_);
-
-	POSTING_READ(GEN8_PCU_IIR);
-
-	ibx_irq_reset(dev);
+	gen8_irq_reset(dev);
 }
 
 static void valleyview_irq_uninstall(struct drm_device *dev)
-- 
1.8.5.3

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