drm: fixup i915 interrupt on X server exit
Fixes: IRQ disabled (i915?) when switchig between gnome themes (gnome-theme-manager) Signed-off-by: Dave Airlie <airlied@linux.ie>
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@ -202,10 +202,15 @@ void i915_driver_irq_postinstall(drm_device_t * dev)
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void i915_driver_irq_uninstall(drm_device_t * dev)
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{
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drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
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u16 temp;
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if (!dev_priv)
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return;
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I915_WRITE16(I915REG_HWSTAM, 0xffff);
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I915_WRITE16(I915REG_INT_MASK_R, 0xffff);
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I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
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temp = I915_READ16(I915REG_INT_IDENTITY_R);
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I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
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}
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