[Intel-gfx] [PATCH 17/19] drm/i915: add ironlake_irq_reset

[Paulo Zanoni]

From: Paulo Zanoni <paulo.r.zanoni at intel.com>

To merge the common code of ironlake_irq_preinstall and
ironlake_irq_uninstall.

We should also probably do something about that HSWSTAM write on a
later commit.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
---
 drivers/gpu/drm/i915/i915_irq.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index ee89a25..373620c 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2908,12 +2908,10 @@ static void gen5_gt_irq_reset(struct drm_device *dev)
 
 /* drm_dma.h hooks
 */
-static void ironlake_irq_preinstall(struct drm_device *dev)
+static void ironlake_irq_reset(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
-	I915_WRITE(HWSTAM, 0xeffe);
-
 	GEN5_IRQ_RESET(DE);
 	if (IS_GEN7(dev))
 		I915_WRITE(GEN7_ERR_INT, 0xffffffff);
@@ -2923,6 +2921,15 @@ static void ironlake_irq_preinstall(struct drm_device *dev)
 	ibx_irq_reset(dev);
 }
 
+static void ironlake_irq_preinstall(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+
+	I915_WRITE(HWSTAM, 0xeffe);
+
+	ironlake_irq_reset(dev);
+}
+
 static void valleyview_irq_preinstall(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -3360,13 +3367,7 @@ static void ironlake_irq_uninstall(struct drm_device *dev)
 
 	I915_WRITE(HWSTAM, 0xffffffff);
 
-	GEN5_IRQ_RESET(DE);
-	if (IS_GEN7(dev))
-		I915_WRITE(GEN7_ERR_INT, 0xffffffff);
-
-	gen5_gt_irq_reset(dev);
-
-	ibx_irq_reset(dev);
+	ironlake_irq_reset(dev);
 }
 
 static void i8xx_irq_preinstall(struct drm_device * dev)
-- 
1.8.5.3