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drm/i915: check for disabled interrupts on ValleyView 

Haven't seen this yet, but it doesn't hurt.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jesse Barnes 2012-03-28 13:39:39 -07:00 committed by Daniel Vetter
parent 7e231dbe0c
commit 23e3f9b37e
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/i915/i915_gem.c
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@ -1875,6 +1875,8 @@ i915_wait_request(struct intel_ring_buffer *ring,
if (!i915_seqno_passed(ring->get_seqno(ring), seqno)) {
if (HAS_PCH_SPLIT(ring->dev))
ier = I915_READ(DEIER) | I915_READ(GTIER);
else if (IS_VALLEYVIEW(ring->dev))
ier = I915_READ(GTIER) | I915_READ(VLV_IER);
else
ier = I915_READ(IER);
if (!ier) {