Haven't seen this yet, but it doesn't hurt.
Signed-off-by: Jesse Barnes <jbar...@virtuousgeek.org>
---
drivers/gpu/drm/i915/i915_gem.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 1f441f5..9cef64b 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1951,6 +1951,8 @@ 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) {
--
1.7.5.4
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