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drm/i915: Set up VLV_MASTER_IER consistently

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We're lacking VLV_MASTER_IER setup from valleyview_irq_preinstall(), so
add it there. Also cargo cult in some POSTING_READ()s to match the other
platforms.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1460571598-24452-3-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Ville Syrjälä 2016-04-13 21:19:48 +03:00
parent e5328c43d4
commit 34c7b8a7b8
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/i915/i915_irq.c
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@ -3338,6 +3338,9 @@ static void valleyview_irq_preinstall(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
I915_WRITE(VLV_MASTER_IER, 0);
POSTING_READ(VLV_MASTER_IER);
gen5_gt_irq_reset(dev);
spin_lock_irq(&dev_priv->irq_lock);
@ -3707,6 +3710,7 @@ static int valleyview_irq_postinstall(struct drm_device *dev)
spin_unlock_irq(&dev_priv->irq_lock);
I915_WRITE(VLV_MASTER_IER, MASTER_INTERRUPT_ENABLE);
POSTING_READ(VLV_MASTER_IER);
return 0;
}
@ -3837,6 +3841,7 @@ static void valleyview_irq_uninstall(struct drm_device *dev)
return;
I915_WRITE(VLV_MASTER_IER, 0);
POSTING_READ(VLV_MASTER_IER);
gen5_gt_irq_reset(dev);