diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 17fbbe5..2a7842b 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -282,7 +282,7 @@ static const struct intel_device_info intel_broadwell_m_info = {
 static const struct intel_device_info intel_broadwell_gt3d_info = {
 	.gen = 8, .num_pipes = 3,
 	.need_gfx_hws = 1, .has_hotplug = 1,
-	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
+	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
 	.has_llc = 1,
 	.has_ddi = 1,
 	.has_fbc = 1,
@@ -292,7 +292,7 @@ static const struct intel_device_info intel_broadwell_gt3d_info = {
 static const struct intel_device_info intel_broadwell_gt3m_info = {
 	.gen = 8, .is_mobile = 1, .num_pipes = 3,
 	.need_gfx_hws = 1, .has_hotplug = 1,
-	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
+	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
 	.has_llc = 1,
 	.has_ddi = 1,
 	.has_fbc = 1,
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 761fc53..ac5598c3 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1827,7 +1827,9 @@ struct drm_i915_cmd_table {
 #define BSD_RING		(1<<VCS)
 #define BLT_RING		(1<<BCS)
 #define VEBOX_RING		(1<<VECS)
+#define BSD2_RING		(1<<VCS2)
 #define HAS_BSD(dev)            (INTEL_INFO(dev)->ring_mask & BSD_RING)
+#define HAS_BSD2(dev)		(INTEL_INFO(dev)->ring_mask & BSD2_RING)
 #define HAS_BLT(dev)            (INTEL_INFO(dev)->ring_mask & BLT_RING)
 #define HAS_VEBOX(dev)            (INTEL_INFO(dev)->ring_mask & VEBOX_RING)
 #define HAS_LLC(dev)            (INTEL_INFO(dev)->has_llc)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 85c9cf0..b4dcf2a 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4374,13 +4374,20 @@ static int i915_gem_init_rings(struct drm_device *dev)
 			goto cleanup_blt_ring;
 	}
 
+	if (HAS_BSD2(dev)) {
+		ret = intel_init_bsd2_ring_buffer(dev);
+		if (ret)
+			goto cleanup_vebox_ring;
+	}
 
 	ret = i915_gem_set_seqno(dev, ((u32)~0 - 0x1000));
 	if (ret)
-		goto cleanup_vebox_ring;
+		goto cleanup_ring;
 
 	return 0;
 
+cleanup_ring:
+	intel_cleanup_ring_buffer(&dev_priv->ring[VCS2]);
 cleanup_vebox_ring:
 	intel_cleanup_ring_buffer(&dev_priv->ring[VECS]);
 cleanup_blt_ring:
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 4865ade..3cab7f9 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -42,6 +42,7 @@ static const char *ring_str(int ring)
 	case VCS: return "bsd";
 	case BCS: return "blt";
 	case VECS: return "vebox";
+	case VCS2: return "second bsd";
 	default: return "";
 	}
 }
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 8f84555..0b88508 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -760,6 +760,7 @@ enum punit_power_well {
 #define RENDER_RING_BASE	0x02000
 #define BSD_RING_BASE		0x04000
 #define GEN6_BSD_RING_BASE	0x12000
+#define GEN8_BSD2_RING_BASE	0x1c000
 #define VEBOX_RING_BASE		0x1a000
 #define BLT_RING_BASE		0x22000
 #define RING_TAIL(base)		((base)+0x30)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index eb3dd26..8b9b89080 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1924,10 +1924,12 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
 		ring->semaphore_register[VCS] = MI_SEMAPHORE_SYNC_RV;
 		ring->semaphore_register[BCS] = MI_SEMAPHORE_SYNC_RB;
 		ring->semaphore_register[VECS] = MI_SEMAPHORE_SYNC_RVE;
+		ring->semaphore_register[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
 		ring->signal_mbox[RCS] = GEN6_NOSYNC;
 		ring->signal_mbox[VCS] = GEN6_VRSYNC;
 		ring->signal_mbox[BCS] = GEN6_BRSYNC;
 		ring->signal_mbox[VECS] = GEN6_VERSYNC;
+		ring->signal_mbox[VCS2] = GEN6_NOSYNC;
 	} else if (IS_GEN5(dev)) {
 		ring->add_request = pc_render_add_request;
 		ring->flush = gen4_render_ring_flush;
@@ -2100,10 +2102,12 @@ int intel_init_bsd_ring_buffer(struct drm_device *dev)
 		ring->semaphore_register[VCS] = MI_SEMAPHORE_SYNC_INVALID;
 		ring->semaphore_register[BCS] = MI_SEMAPHORE_SYNC_VB;
 		ring->semaphore_register[VECS] = MI_SEMAPHORE_SYNC_VVE;
+		ring->semaphore_register[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
 		ring->signal_mbox[RCS] = GEN6_RVSYNC;
 		ring->signal_mbox[VCS] = GEN6_NOSYNC;
 		ring->signal_mbox[BCS] = GEN6_BVSYNC;
 		ring->signal_mbox[VECS] = GEN6_VEVSYNC;
+		ring->signal_mbox[VCS2] = GEN6_NOSYNC;
 	} else {
 		ring->mmio_base = BSD_RING_BASE;
 		ring->flush = bsd_ring_flush;
@@ -2126,6 +2130,52 @@ int intel_init_bsd_ring_buffer(struct drm_device *dev)
 	return intel_init_ring_buffer(dev, ring);
 }
 
+/**
+ * Initialize the second BSD ring for Broadwell GT3.
+ * It is noted that this only exists on Broadwell GT3.
+ */
+int intel_init_bsd2_ring_buffer(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_ring_buffer *ring = &dev_priv->ring[VCS2];
+
+	if ((INTEL_INFO(dev)->gen != 8) ) {
+		DRM_ERROR("No dual-BSD ring on non-BDW machine\n");
+		return -EINVAL;
+	}
+
+	ring->name = "second bsd ring";
+	ring->id = VCS2;
+
+	ring->write_tail = ring_write_tail;
+	ring->mmio_base = GEN8_BSD2_RING_BASE;
+	ring->flush = gen6_bsd_ring_flush;
+	ring->add_request = gen6_add_request;
+	ring->get_seqno = gen6_ring_get_seqno;
+	ring->set_seqno = ring_set_seqno;
+	ring->irq_enable_mask =
+			GT_RENDER_USER_INTERRUPT << GEN8_VCS2_IRQ_SHIFT;
+	ring->irq_get = gen8_ring_get_irq;
+	ring->irq_put = gen8_ring_put_irq;
+	ring->dispatch_execbuffer =
+			gen8_ring_dispatch_execbuffer;
+	ring->sync_to = gen6_ring_sync;
+	ring->semaphore_register[RCS] = MI_SEMAPHORE_SYNC_INVALID;
+	ring->semaphore_register[VCS] = MI_SEMAPHORE_SYNC_INVALID;
+	ring->semaphore_register[BCS] = MI_SEMAPHORE_SYNC_INVALID;
+	ring->semaphore_register[VECS] = MI_SEMAPHORE_SYNC_INVALID;
+	ring->semaphore_register[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
+	ring->signal_mbox[RCS] = GEN6_NOSYNC;
+	ring->signal_mbox[VCS] = GEN6_NOSYNC;
+	ring->signal_mbox[BCS] = GEN6_NOSYNC;
+	ring->signal_mbox[VECS] = GEN6_NOSYNC;
+	ring->signal_mbox[VCS2] = GEN6_NOSYNC;
+
+	ring->init = init_ring_common;
+
+	return intel_init_ring_buffer(dev, ring);
+}
+
 int intel_init_blt_ring_buffer(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -2157,10 +2207,12 @@ int intel_init_blt_ring_buffer(struct drm_device *dev)
 	ring->semaphore_register[VCS] = MI_SEMAPHORE_SYNC_BV;
 	ring->semaphore_register[BCS] = MI_SEMAPHORE_SYNC_INVALID;
 	ring->semaphore_register[VECS] = MI_SEMAPHORE_SYNC_BVE;
+	ring->semaphore_register[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
 	ring->signal_mbox[RCS] = GEN6_RBSYNC;
 	ring->signal_mbox[VCS] = GEN6_VBSYNC;
 	ring->signal_mbox[BCS] = GEN6_NOSYNC;
 	ring->signal_mbox[VECS] = GEN6_VEBSYNC;
+	ring->signal_mbox[VCS2] = GEN6_NOSYNC;
 	ring->init = init_ring_common;
 
 	return intel_init_ring_buffer(dev, ring);
@@ -2198,10 +2250,12 @@ int intel_init_vebox_ring_buffer(struct drm_device *dev)
 	ring->semaphore_register[VCS] = MI_SEMAPHORE_SYNC_VEV;
 	ring->semaphore_register[BCS] = MI_SEMAPHORE_SYNC_VEB;
 	ring->semaphore_register[VECS] = MI_SEMAPHORE_SYNC_INVALID;
+	ring->semaphore_register[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
 	ring->signal_mbox[RCS] = GEN6_RVESYNC;
 	ring->signal_mbox[VCS] = GEN6_VVESYNC;
 	ring->signal_mbox[BCS] = GEN6_BVESYNC;
 	ring->signal_mbox[VECS] = GEN6_NOSYNC;
+	ring->signal_mbox[VCS2] = GEN6_NOSYNC;
 	ring->init = init_ring_common;
 
 	return intel_init_ring_buffer(dev, ring);
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 413cdc7..8ca4285 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -61,8 +61,9 @@ struct  intel_ring_buffer {
 		VCS,
 		BCS,
 		VECS,
+		VCS2,
 	} id;
-#define I915_NUM_RINGS 4
+#define I915_NUM_RINGS 5
 	u32		mmio_base;
 	void		__iomem *virtual_start;
 	struct		drm_device *dev;
@@ -286,6 +287,7 @@ int intel_ring_invalidate_all_caches(struct intel_ring_buffer *ring);
 
 int intel_init_render_ring_buffer(struct drm_device *dev);
 int intel_init_bsd_ring_buffer(struct drm_device *dev);
+int intel_init_bsd2_ring_buffer(struct drm_device *dev);
 int intel_init_blt_ring_buffer(struct drm_device *dev);
 int intel_init_vebox_ring_buffer(struct drm_device *dev);
 
