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authorPaulo Zanoni <paulo.r.zanoni@intel.com>2014-01-20 16:53:26 -0200
committerPaulo Zanoni <paulo.r.zanoni@intel.com>2014-02-26 18:42:31 -0300
commitcdd2edf3ebf9c5e3990e682128841ae99c3602ab (patch)
tree2c8a63e308c03f884966048dfd48d46890e1ba9e
parent9ec9829b6c375ab0a4ddab5af7e3e53ddb863d74 (diff)
drm/i915: only enable HWSTAM interrupts on postinstall on ILK+
We should only enable interrupts at postinstall. And now on ILK/SNB/IVB/HSW the irq_preinstall and irq_postinstall functions leave the hardware in the same state. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index cba50f86d435..b354c90ee8fe 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2906,6 +2906,8 @@ static void ironlake_irq_reset(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ I915_WRITE(HWSTAM, 0xffffffff);
+
GEN5_IRQ_RESET(DE);
if (IS_GEN7(dev))
I915_WRITE(GEN7_ERR_INT, 0xffffffff);
@@ -2917,10 +2919,6 @@ static void ironlake_irq_reset(struct drm_device *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);
}
@@ -3103,6 +3101,8 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
dev_priv->irq_mask = ~display_mask;
+ I915_WRITE(HWSTAM, 0xeffe);
+
ibx_irq_pre_postinstall(dev);
GEN5_IRQ_INIT(DE, dev_priv->irq_mask, display_mask | extra_mask);
@@ -3285,8 +3285,6 @@ static void ironlake_irq_uninstall(struct drm_device *dev)
intel_hpd_irq_uninstall(dev_priv);
- I915_WRITE(HWSTAM, 0xffffffff);
-
ironlake_irq_reset(dev);
}