[Intel-gfx] [PATCH 04/16] drm/i915: Use GEN3_IRQ_RESET/INIT on gen3/4

[ville.syrjala at linux.intel.com]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Replace the manual IMR+IER+IIR write sequences with the appropriate
GEN3_IRQ_RESET/INIT macro invocations in gen3/4.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/i915_irq.c | 24 ++++++------------------
 1 file changed, 6 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 8f4f1908cf55..b9790ab7a8d8 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3705,9 +3705,7 @@ static void i915_irq_preinstall(struct drm_device * dev)
 
 	I915_WRITE16(HWSTAM, 0xeffe);
 
-	I915_WRITE(IMR, 0xffffffff);
-	I915_WRITE(IER, 0x0);
-	POSTING_READ(IER);
+	GEN3_IRQ_RESET();
 }
 
 static int i915_irq_postinstall(struct drm_device *dev)
@@ -3739,9 +3737,7 @@ static int i915_irq_postinstall(struct drm_device *dev)
 		dev_priv->irq_mask &= ~I915_DISPLAY_PORT_INTERRUPT;
 	}
 
-	I915_WRITE(IMR, dev_priv->irq_mask);
-	I915_WRITE(IER, enable_mask);
-	POSTING_READ(IER);
+	GEN3_IRQ_INIT(, dev_priv->irq_mask, enable_mask);
 
 	i915_enable_asle_pipestat(dev_priv);
 
@@ -3870,9 +3866,7 @@ static void i915_irq_uninstall(struct drm_device * dev)
 
 	I915_WRITE16(HWSTAM, 0xffff);
 
-	I915_WRITE(IMR, 0xffffffff);
-	I915_WRITE(IER, 0x0);
-	I915_WRITE(IIR, I915_READ(IIR));
+	GEN3_IRQ_RESET();
 }
 
 static void i965_irq_preinstall(struct drm_device * dev)
@@ -3886,9 +3880,7 @@ static void i965_irq_preinstall(struct drm_device * dev)
 
 	I915_WRITE(HWSTAM, 0xeffe);
 
-	I915_WRITE(IMR, 0xffffffff);
-	I915_WRITE(IER, 0x0);
-	POSTING_READ(IER);
+	GEN3_IRQ_RESET();
 }
 
 static int i965_irq_postinstall(struct drm_device *dev)
@@ -3933,9 +3925,7 @@ static int i965_irq_postinstall(struct drm_device *dev)
 	}
 	I915_WRITE(EMR, error_mask);
 
-	I915_WRITE(IMR, dev_priv->irq_mask);
-	I915_WRITE(IER, enable_mask);
-	POSTING_READ(IER);
+	GEN3_IRQ_INIT(, dev_priv->irq_mask, enable_mask);
 
 	i915_hotplug_interrupt_update(dev_priv, 0xffffffff, 0);
 	POSTING_READ(PORT_HOTPLUG_EN);
@@ -4090,9 +4080,7 @@ static void i965_irq_uninstall(struct drm_device * dev)
 
 	I915_WRITE(HWSTAM, 0xffffffff);
 
-	I915_WRITE(IMR, 0xffffffff);
-	I915_WRITE(IER, 0x0);
-	I915_WRITE(IIR, I915_READ(IIR));
+	GEN3_IRQ_RESET();
 }
 
 /**
-- 
2.13.0