From 8f0fc977f58c36e75e205486c1aebb9b8e4263e1 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Thu, 19 Jan 2012 21:13:47 -0800
Subject: [PATCH] Revert "drm/i915: Work around gen7 BLT ring synchronization
issues."
This reverts commit 42ff6572e5a4a7414330a4ca91f0335da67deca9.
New forcewake voodoo makes this no longer necessary.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
drivers/gpu/drm/i915/intel_ringbuffer.c | 14 --------------
1 file changed, 14 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index fa5702c5da423..1ab842c6032e9 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -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);
}
--
2.30.2