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Revert "drm/i915: Work around gen7 BLT ring synchronization issues."

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This reverts commit 42ff6572e5.

New forcewake voodoo makes this no longer necessary.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Keith Packard 2012-01-19 21:13:47 -08:00
parent bdfcdb6379
commit 8f0fc977f5
1 changed files with 0 additions and 14 deletions
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14
drivers/gpu/drm/i915/intel_ringbuffer.c
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@ -804,17 +804,6 @@ ring_add_request(struct intel_ring_buffer *ring,
return 0;
}
static bool
gen7_blt_ring_get_irq(struct intel_ring_buffer *ring)
{
/* The BLT ring on IVB appears to have broken synchronization
* between the seqno write and the interrupt, so that the
* interrupt appears first. Returning false here makes
* i915_wait_request() do a polling loop, instead.
*/
return false;
}
static bool
gen6_ring_get_irq(struct intel_ring_buffer *ring, u32 gflag, u32 rflag)
{
@ -1600,8 +1589,5 @@ int intel_init_blt_ring_buffer(struct drm_device *dev)
*ring = gen6_blt_ring;
if (IS_GEN7(dev))
ring->irq_get = gen7_blt_ring_get_irq;
return intel_init_ring_buffer(dev, ring);
}