diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 0344e25..b62d9e9 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -24,7 +24,8 @@
 	atombios_encoders.o amdgpu_sa.o atombios_i2c.o \
 	amdgpu_prime.o amdgpu_vm.o amdgpu_ib.o amdgpu_pll.o \
 	amdgpu_ucode.o amdgpu_bo_list.o amdgpu_ctx.o amdgpu_sync.o \
-	amdgpu_gtt_mgr.o amdgpu_vram_mgr.o amdgpu_virt.o amdgpu_atomfirmware.o
+	amdgpu_gtt_mgr.o amdgpu_vram_mgr.o amdgpu_virt.o amdgpu_atomfirmware.o \
+	amdgpu_queue_mgr.o
 
 # add asic specific block
 amdgpu-$(CONFIG_DRM_AMDGPU_CIK)+= cik.o cik_ih.o kv_smc.o kv_dpm.o \
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 1135f19..aad1d7b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -777,6 +777,29 @@ int amdgpu_job_submit(struct amdgpu_job *job, struct amdgpu_ring *ring,
 		      struct dma_fence **f);
 
 /*
+ * Queue manager
+ */
+struct amdgpu_queue_mapper {
+	int 		hw_ip;
+	struct mutex	lock;
+	/* protected by lock */
+	struct amdgpu_ring *queue_map[AMDGPU_MAX_RINGS];
+};
+
+struct amdgpu_queue_mgr {
+	struct amdgpu_queue_mapper mapper[AMDGPU_MAX_IP_NUM];
+};
+
+int amdgpu_queue_mgr_init(struct amdgpu_device *adev,
+			  struct amdgpu_queue_mgr *mgr);
+int amdgpu_queue_mgr_fini(struct amdgpu_device *adev,
+			  struct amdgpu_queue_mgr *mgr);
+int amdgpu_queue_mgr_map(struct amdgpu_device *adev,
+			 struct amdgpu_queue_mgr *mgr,
+			 int hw_ip, int instance, int ring,
+			 struct amdgpu_ring **out_ring);
+
+/*
  * context related structures
  */
 
@@ -789,6 +812,7 @@ struct amdgpu_ctx_ring {
 struct amdgpu_ctx {
 	struct kref		refcount;
 	struct amdgpu_device    *adev;
+	struct amdgpu_queue_mgr queue_mgr;
 	unsigned		reset_counter;
 	spinlock_t		ring_lock;
 	struct dma_fence	**fences;
@@ -1909,9 +1933,6 @@ bool amdgpu_need_post(struct amdgpu_device *adev);
 void amdgpu_update_display_priority(struct amdgpu_device *adev);
 
 int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data);
-int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type,
-		       u32 ip_instance, u32 ring,
-		       struct amdgpu_ring **out_ring);
 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes);
 void amdgpu_ttm_placement_from_domain(struct amdgpu_bo *abo, u32 domain);
 bool amdgpu_ttm_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 9a0b2e5..b17635c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -30,90 +30,6 @@
 #include "amdgpu.h"
 #include "amdgpu_trace.h"
 
-int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type,
-		       u32 ip_instance, u32 ring,
-		       struct amdgpu_ring **out_ring)
-{
-	/* Right now all IPs have only one instance - multiple rings. */
-	if (ip_instance != 0) {
-		DRM_ERROR("invalid ip instance: %d\n", ip_instance);
-		return -EINVAL;
-	}
-
-	switch (ip_type) {
-	default:
-		DRM_ERROR("unknown ip type: %d\n", ip_type);
-		return -EINVAL;
-	case AMDGPU_HW_IP_GFX:
-		if (ring < adev->gfx.num_gfx_rings) {
-			*out_ring = &adev->gfx.gfx_ring[ring];
-		} else {
-			DRM_ERROR("only %d gfx rings are supported now\n",
-				  adev->gfx.num_gfx_rings);
-			return -EINVAL;
-		}
-		break;
-	case AMDGPU_HW_IP_COMPUTE:
-		if (ring < adev->gfx.num_compute_rings) {
-			*out_ring = &adev->gfx.compute_ring[ring];
-		} else {
-			DRM_ERROR("only %d compute rings are supported now\n",
-				  adev->gfx.num_compute_rings);
-			return -EINVAL;
-		}
-		break;
-	case AMDGPU_HW_IP_DMA:
-		if (ring < adev->sdma.num_instances) {
-			*out_ring = &adev->sdma.instance[ring].ring;
-		} else {
-			DRM_ERROR("only %d SDMA rings are supported\n",
-				  adev->sdma.num_instances);
-			return -EINVAL;
-		}
-		break;
-	case AMDGPU_HW_IP_UVD:
-		*out_ring = &adev->uvd.ring;
-		break;
-	case AMDGPU_HW_IP_VCE:
-		if (ring < adev->vce.num_rings){
-			*out_ring = &adev->vce.ring[ring];
-		} else {
-			DRM_ERROR("only %d VCE rings are supported\n", adev->vce.num_rings);
-			return -EINVAL;
-		}
-		break;
-	case AMDGPU_HW_IP_UVD_ENC:
-		if (ring < adev->uvd.num_enc_rings){
-			*out_ring = &adev->uvd.ring_enc[ring];
-		} else {
-			DRM_ERROR("only %d UVD ENC rings are supported\n",
-				adev->uvd.num_enc_rings);
-			return -EINVAL;
-		}
-		break;
-	case AMDGPU_HW_IP_VCN_DEC:
-		*out_ring = &adev->vcn.ring_dec;
-		break;
-	case AMDGPU_HW_IP_VCN_ENC:
-		if (ring < adev->vcn.num_enc_rings){
-			*out_ring = &adev->vcn.ring_enc[ring];
-		} else {
-			DRM_ERROR("only %d VCN ENC rings are supported\n",
-				adev->vcn.num_enc_rings);
-			return -EINVAL;
-		}
-		break;
-	}
-
-	if (!(*out_ring && (*out_ring)->adev)) {
-		DRM_ERROR("Ring %d is not initialized on IP %d\n",
-			  ring, ip_type);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
 static int amdgpu_cs_user_fence_chunk(struct amdgpu_cs_parser *p,
 				      struct drm_amdgpu_cs_chunk_fence *data,
 				      uint32_t *offset)
@@ -928,9 +844,8 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev,
 				return -EINVAL;
 		}
 
-		r = amdgpu_cs_get_ring(adev, chunk_ib->ip_type,
-				       chunk_ib->ip_instance, chunk_ib->ring,
-				       &ring);
+		r = amdgpu_queue_mgr_map(adev, &parser->ctx->queue_mgr, chunk_ib->ip_type,
+					 chunk_ib->ip_instance, chunk_ib->ring, &ring);
 		if (r)
 			return r;
 
@@ -1032,16 +947,19 @@ static int amdgpu_cs_dependencies(struct amdgpu_device *adev,
 			struct amdgpu_ctx *ctx;
 			struct dma_fence *fence;
 
-			r = amdgpu_cs_get_ring(adev, deps[j].ip_type,
-					       deps[j].ip_instance,
-					       deps[j].ring, &ring);
-			if (r)
-				return r;
-
 			ctx = amdgpu_ctx_get(fpriv, deps[j].ctx_id);
 			if (ctx == NULL)
 				return -EINVAL;
 
+			r = amdgpu_queue_mgr_map(adev, &ctx->queue_mgr,
+						 deps[j].ip_type,
+						 deps[j].ip_instance,
+						 deps[j].ring, &ring);
+			if (r) {
+				amdgpu_ctx_put(ctx);
+				return r;
+			}
+
 			fence = amdgpu_ctx_get_fence(ctx, ring,
 						     deps[j].handle);
 			if (IS_ERR(fence)) {
@@ -1177,15 +1095,19 @@ int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data,
 
 	if (amdgpu_kms_vram_lost(adev, fpriv))
 		return -ENODEV;
-	r = amdgpu_cs_get_ring(adev, wait->in.ip_type, wait->in.ip_instance,
-			       wait->in.ring, &ring);
-	if (r)
-		return r;
 
 	ctx = amdgpu_ctx_get(filp->driver_priv, wait->in.ctx_id);
 	if (ctx == NULL)
 		return -EINVAL;
 
+	r = amdgpu_queue_mgr_map(adev, &ctx->queue_mgr,
+				 wait->in.ip_type, wait->in.ip_instance,
+				 wait->in.ring, &ring);
+	if (r) {
+		amdgpu_ctx_put(ctx);
+		return r;
+	}
+
 	fence = amdgpu_ctx_get_fence(ctx, ring, wait->in.handle);
 	if (IS_ERR(fence))
 		r = PTR_ERR(fence);
@@ -1221,15 +1143,17 @@ static struct dma_fence *amdgpu_cs_get_fence(struct amdgpu_device *adev,
 	struct dma_fence *fence;
 	int r;
 
-	r = amdgpu_cs_get_ring(adev, user->ip_type, user->ip_instance,
-			       user->ring, &ring);
-	if (r)
-		return ERR_PTR(r);
-
 	ctx = amdgpu_ctx_get(filp->driver_priv, user->ctx_id);
 	if (ctx == NULL)
 		return ERR_PTR(-EINVAL);
 
+	r = amdgpu_queue_mgr_map(adev, &ctx->queue_mgr, user->ip_type,
+				 user->ip_instance, user->ring, &ring);
+	if (r) {
+		amdgpu_ctx_put(ctx);
+		return ERR_PTR(r);
+	}
+
 	fence = amdgpu_ctx_get_fence(ctx, ring, user->seq_no);
 	amdgpu_ctx_put(ctx);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index d22e385..a11e443 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -62,6 +62,10 @@ static int amdgpu_ctx_init(struct amdgpu_device *adev, struct amdgpu_ctx *ctx)
 			goto failed;
 	}
 
+	r = amdgpu_queue_mgr_init(adev, &ctx->queue_mgr);
+	if (r)
+		goto failed;
+
 	return 0;
 
 failed:
@@ -90,6 +94,8 @@ static void amdgpu_ctx_fini(struct amdgpu_ctx *ctx)
 	for (i = 0; i < adev->num_rings; i++)
 		amd_sched_entity_fini(&adev->rings[i]->sched,
 				      &ctx->rings[i].entity);
+
+	amdgpu_queue_mgr_fini(adev, &ctx->queue_mgr);
 }
 
 static int amdgpu_ctx_alloc(struct amdgpu_device *adev,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c
new file mode 100644
index 0000000..c13a553
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c
@@ -0,0 +1,251 @@
+/*
+ * Copyright 2017 Valve Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Andres Rodriguez
+ */
+
+#include "amdgpu.h"
+#include "amdgpu_ring.h"
+
+static int amdgpu_queue_mapper_init(struct amdgpu_queue_mapper *mapper,
+				    int hw_ip)
+{
+	if (!mapper)
+		return -EINVAL;
+
+	if (hw_ip > AMDGPU_MAX_IP_NUM)
+		return -EINVAL;
+
+	mapper->hw_ip = hw_ip;
+	mutex_init(&mapper->lock);
+
+	memset(mapper->queue_map, 0, sizeof(mapper->queue_map));
+
+	return 0;
+}
+
+static struct amdgpu_ring *amdgpu_get_cached_map(struct amdgpu_queue_mapper *mapper,
+					  int ring)
+{
+	return mapper->queue_map[ring];
+}
+
+static int amdgpu_update_cached_map(struct amdgpu_queue_mapper *mapper,
+			     int ring, struct amdgpu_ring *pring)
+{
+	if (WARN_ON(mapper->queue_map[ring])) {
+		DRM_ERROR("Un-expected ring re-map\n");
+		return -EINVAL;
+	}
+
+	mapper->queue_map[ring] = pring;
+
+	return 0;
+}
+
+static int amdgpu_identity_map(struct amdgpu_device *adev,
+			       struct amdgpu_queue_mapper *mapper,
+			       int ring,
+			       struct amdgpu_ring **out_ring)
+{
+	switch (mapper->hw_ip) {
+	case AMDGPU_HW_IP_GFX:
+		*out_ring = &adev->gfx.gfx_ring[ring];
+		break;
+	case AMDGPU_HW_IP_COMPUTE:
+		*out_ring = &adev->gfx.compute_ring[ring];
+		break;
+	case AMDGPU_HW_IP_DMA:
+		*out_ring = &adev->sdma.instance[ring].ring;
+		break;
+	case AMDGPU_HW_IP_UVD:
+		*out_ring = &adev->uvd.ring;
+		break;
+	case AMDGPU_HW_IP_VCE:
+		*out_ring = &adev->vce.ring[ring];
+		break;
+	case AMDGPU_HW_IP_UVD_ENC:
+		*out_ring = &adev->uvd.ring_enc[ring];
+		break;
+	case AMDGPU_HW_IP_VCN_DEC:
+		*out_ring = &adev->vcn.ring_dec;
+		break;
+	case AMDGPU_HW_IP_VCN_ENC:
+		*out_ring = &adev->vcn.ring_enc[ring];
+		break;
+	default:
+		*out_ring = NULL;
+		DRM_ERROR("unknown HW IP type: %d\n", mapper->hw_ip);
+		return -EINVAL;
+	}
+
+	return amdgpu_update_cached_map(mapper, ring, *out_ring);
+}
+
+/**
+ * amdgpu_queue_mgr_init - init an amdgpu_queue_mgr struct
+ *
+ * @adev: amdgpu_device pointer
+ * @mgr: amdgpu_queue_mgr structure holding queue information
+ *
+ * Initialize the the selected @mgr (all asics).
+ *
+ * Returns 0 on success, error on failure.
+ */
+int amdgpu_queue_mgr_init(struct amdgpu_device *adev,
+			  struct amdgpu_queue_mgr *mgr)
+{
+	int i, r;
+
+	if (!adev || !mgr)
+		return -EINVAL;
+
+	memset(mgr, 0, sizeof(*mgr));
+
+	for (i = 0; i < AMDGPU_MAX_IP_NUM; ++i) {
+		r = amdgpu_queue_mapper_init(&mgr->mapper[i], i);
+		if (r)
+			return r;
+	}
+
+	return 0;
+}
+
+/**
+ * amdgpu_queue_mgr_fini - de-initialize an amdgpu_queue_mgr struct
+ *
+ * @adev: amdgpu_device pointer
+ * @mgr: amdgpu_queue_mgr structure holding queue information
+ *
+ * De-initialize the the selected @mgr (all asics).
+ *
+ * Returns 0 on success, error on failure.
+ */
+int amdgpu_queue_mgr_fini(struct amdgpu_device *adev,
+			  struct amdgpu_queue_mgr *mgr)
+{
+	return 0;
+}
+
+/**
+ * amdgpu_queue_mgr_map - Map a userspace ring id to an amdgpu_ring
+ *
+ * @adev: amdgpu_device pointer
+ * @mgr: amdgpu_queue_mgr structure holding queue information
+ * @hw_ip: HW IP enum
+ * @instance: HW instance
+ * @ring: user ring id
+ * @our_ring: pointer to mapped amdgpu_ring
+ *
+ * Map a userspace ring id to an appropriate kernel ring. Different
+ * policies are configurable at a HW IP level.
+ *
+ * Returns 0 on success, error on failure.
+ */
+int amdgpu_queue_mgr_map(struct amdgpu_device *adev,
+			 struct amdgpu_queue_mgr *mgr,
+			 int hw_ip, int instance, int ring,
+			 struct amdgpu_ring **out_ring)
+{
+	int r, ip_num_rings;
+	struct amdgpu_queue_mapper *mapper = &mgr->mapper[hw_ip];
+
+	if (!adev || !mgr || !out_ring)
+		return -EINVAL;
+
+	if (hw_ip >= AMDGPU_MAX_IP_NUM)
+		return -EINVAL;
+
+	if (ring >= AMDGPU_MAX_RINGS)
+		return -EINVAL;
+
+	/* Right now all IPs have only one instance - multiple rings. */
+	if (instance != 0) {
+		DRM_ERROR("invalid ip instance: %d\n", instance);
+		return -EINVAL;
+	}
+
+	switch (hw_ip) {
+	case AMDGPU_HW_IP_GFX:
+		ip_num_rings = adev->gfx.num_gfx_rings;
+		break;
+	case AMDGPU_HW_IP_COMPUTE:
+		ip_num_rings = adev->gfx.num_compute_rings;
+		break;
+	case AMDGPU_HW_IP_DMA:
+		ip_num_rings = adev->sdma.num_instances;
+		break;
+	case AMDGPU_HW_IP_UVD:
+		ip_num_rings = 1;
+		break;
+	case AMDGPU_HW_IP_VCE:
+		ip_num_rings = adev->vce.num_rings;
+		break;
+	case AMDGPU_HW_IP_UVD_ENC:
+		ip_num_rings = adev->uvd.num_enc_rings;
+		break;
+	case AMDGPU_HW_IP_VCN_DEC:
+		ip_num_rings = 1;
+		break;
+	case AMDGPU_HW_IP_VCN_ENC:
+		ip_num_rings = adev->vcn.num_enc_rings;
+		break;
+	default:
+		DRM_ERROR("unknown ip type: %d\n", hw_ip);
+		return -EINVAL;
+	}
+
+	if (ring >= ip_num_rings) {
+		DRM_ERROR("Ring index:%d exceeds maximum:%d for ip:%d\n",
+				ring, ip_num_rings, hw_ip);
+		return -EINVAL;
+	}
+
+	mutex_lock(&mapper->lock);
+
+	*out_ring = amdgpu_get_cached_map(mapper, ring);
+	if (*out_ring) {
+		/* cache hit */
+		r = 0;
+		goto out_unlock;
+	}
+
+	switch (mapper->hw_ip) {
+	case AMDGPU_HW_IP_GFX:
+	case AMDGPU_HW_IP_COMPUTE:
+	case AMDGPU_HW_IP_DMA:
+	case AMDGPU_HW_IP_UVD:
+	case AMDGPU_HW_IP_VCE:
+	case AMDGPU_HW_IP_UVD_ENC:
+	case AMDGPU_HW_IP_VCN_DEC:
+	case AMDGPU_HW_IP_VCN_ENC:
+		r = amdgpu_identity_map(adev, mapper, ring, out_ring);
+		break;
+	default:
+		*out_ring = NULL;
+		r = -EINVAL;
+		DRM_ERROR("unknown HW IP type: %d\n", mapper->hw_ip);
+	}
+
+out_unlock:
+	mutex_unlock(&mapper->lock);
+	return r;
+}