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author | Paul Mackerras <paulus@samba.org> | 2006-02-24 14:05:47 +1100 |
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committer | Paul Mackerras <paulus@samba.org> | 2006-02-24 14:05:47 +1100 |
commit | a00428f5b149e36b8225b2a0812742a6dfb07b8c (patch) | |
tree | a78869cd67cf78a0eb091fb0ea5d397734bd6738 /drivers/char/drm/i915_irq.c | |
parent | 774fee58c465ea1c7e9775e347ec307bcf2deeb3 (diff) | |
parent | fb5c594c2acc441f0d2d8f457484a0e0e9285db3 (diff) | |
download | linux-a00428f5b149e36b8225b2a0812742a6dfb07b8c.tar.gz |
Merge ../powerpc-merge
Diffstat (limited to 'drivers/char/drm/i915_irq.c')
-rw-r--r-- | drivers/char/drm/i915_irq.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index a1381c61aa631e..d3879ac9970f7f 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -202,10 +202,15 @@ void i915_driver_irq_postinstall(drm_device_t * dev) void i915_driver_irq_uninstall(drm_device_t * dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + u16 temp; + if (!dev_priv) return; I915_WRITE16(I915REG_HWSTAM, 0xffff); I915_WRITE16(I915REG_INT_MASK_R, 0xffff); I915_WRITE16(I915REG_INT_ENABLE_R, 0x0); + + temp = I915_READ16(I915REG_INT_IDENTITY_R); + I915_WRITE16(I915REG_INT_IDENTITY_R, temp); } |