1 files changed, 396 insertions, 395 deletions

diff --git a/sys/dev/pci/drm/amd/amdgpu/amdgpu_cs.c b/sys/dev/pci/drm/amd/amdgpu/amdgpu_cs.c
index d3fd9e861ee..7e6802d93ff 100644
--- a/sys/dev/pci/drm/amd/amdgpu/amdgpu_cs.c
+++ b/sys/dev/pci/drm/amd/amdgpu/amdgpu_cs.c
@@ -24,20 +24,26 @@
  * Authors:
  *    Jerome Glisse <glisse@freedesktop.org>
  */
+
+#include <linux/file.h>
 #include <linux/pagemap.h>
 #include <linux/sync_file.h>
-#include <drm/drmP.h>
+#include <linux/dma-buf.h>
+
 #include <drm/amdgpu_drm.h>
 #include <drm/drm_syncobj.h>
 #include "amdgpu.h"
 #include "amdgpu_trace.h"
 #include "amdgpu_gmc.h"
+#include "amdgpu_gem.h"
+#include "amdgpu_ras.h"
 
 static int amdgpu_cs_user_fence_chunk(struct amdgpu_cs_parser *p,
 				      struct drm_amdgpu_cs_chunk_fence *data,
 				      uint32_t *offset)
 {
 	struct drm_gem_object *gobj;
+	struct amdgpu_bo *bo;
 	unsigned long size;
 	int r;
 
@@ -45,21 +51,21 @@ static int amdgpu_cs_user_fence_chunk(struct amdgpu_cs_parser *p,
 	if (gobj == NULL)
 		return -EINVAL;
 
-	p->uf_entry.robj = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj));
+	bo = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj));
 	p->uf_entry.priority = 0;
-	p->uf_entry.tv.bo = &p->uf_entry.robj->tbo;
-	p->uf_entry.tv.shared = true;
-	p->uf_entry.user_pages = NULL;
+	p->uf_entry.tv.bo = &bo->tbo;
+	/* One for TTM and one for the CS job */
+	p->uf_entry.tv.num_shared = 2;
 
 	drm_gem_object_put_unlocked(gobj);
 
-	size = amdgpu_bo_size(p->uf_entry.robj);
+	size = amdgpu_bo_size(bo);
 	if (size != PAGE_SIZE || (data->offset + 8) > size) {
 		r = -EINVAL;
 		goto error_unref;
 	}
 
-	if (amdgpu_ttm_tt_get_usermm(p->uf_entry.robj->tbo.ttm)) {
+	if (amdgpu_ttm_tt_get_usermm(bo->tbo.ttm)) {
 		r = -EINVAL;
 		goto error_unref;
 	}
@@ -69,7 +75,7 @@ static int amdgpu_cs_user_fence_chunk(struct amdgpu_cs_parser *p,
 	return 0;
 
 error_unref:
-	amdgpu_bo_unref(&p->uf_entry.robj);
+	amdgpu_bo_unref(&bo);
 	return r;
 }
 
@@ -211,6 +217,9 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, union drm_amdgpu_cs
 		case AMDGPU_CHUNK_ID_DEPENDENCIES:
 		case AMDGPU_CHUNK_ID_SYNCOBJ_IN:
 		case AMDGPU_CHUNK_ID_SYNCOBJ_OUT:
+		case AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES:
+		case AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_WAIT:
+		case AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_SIGNAL:
 			break;
 
 		default:
@@ -228,7 +237,7 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, union drm_amdgpu_cs
 		goto free_all_kdata;
 	}
 
-	if (p->uf_entry.robj)
+	if (p->uf_entry.tv.bo)
 		p->job->uf_addr = uf_offset;
 	kfree(chunk_array);
 
@@ -395,7 +404,7 @@ static int amdgpu_cs_bo_validate(struct amdgpu_cs_parser *p,
 	struct ttm_operation_ctx ctx = {
 		.interruptible = true,
 		.no_wait_gpu = false,
-		.resv = bo->tbo.resv,
+		.resv = bo->tbo.base.resv,
 		.flags = 0
 	};
 	uint32_t domain;
@@ -407,7 +416,9 @@ static int amdgpu_cs_bo_validate(struct amdgpu_cs_parser *p,
 	/* Don't move this buffer if we have depleted our allowance
 	 * to move it. Don't move anything if the threshold is zero.
 	 */
-	if (p->bytes_moved < p->bytes_moved_threshold) {
+	if (p->bytes_moved < p->bytes_moved_threshold &&
+	    (!bo->tbo.base.dma_buf ||
+	    list_empty(&bo->tbo.base.dma_buf->attachments))) {
 		if (!amdgpu_gmc_vram_full_visible(&adev->gmc) &&
 		    (bo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)) {
 			/* And don't move a CPU_ACCESS_REQUIRED BO to limited
@@ -442,75 +453,12 @@ retry:
 	return r;
 }
 
-/* Last resort, try to evict something from the current working set */
-static bool amdgpu_cs_try_evict(struct amdgpu_cs_parser *p,
-				struct amdgpu_bo *validated)
-{
-	uint32_t domain = validated->allowed_domains;
-	struct ttm_operation_ctx ctx = { true, false };
-	int r;
-
-	if (!p->evictable)
-		return false;
-
-	for (;&p->evictable->tv.head != &p->validated;
-	     p->evictable = list_prev_entry(p->evictable, tv.head)) {
-
-		struct amdgpu_bo_list_entry *candidate = p->evictable;
-		struct amdgpu_bo *bo = candidate->robj;
-		struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
-		bool update_bytes_moved_vis;
-		uint32_t other;
-
-		/* If we reached our current BO we can forget it */
-		if (candidate->robj == validated)
-			break;
-
-		/* We can't move pinned BOs here */
-		if (bo->pin_count)
-			continue;
-
-		other = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type);
-
-		/* Check if this BO is in one of the domains we need space for */
-		if (!(other & domain))
-			continue;
-
-		/* Check if we can move this BO somewhere else */
-		other = bo->allowed_domains & ~domain;
-		if (!other)
-			continue;
-
-		/* Good we can try to move this BO somewhere else */
-		update_bytes_moved_vis =
-				!amdgpu_gmc_vram_full_visible(&adev->gmc) &&
-				amdgpu_bo_in_cpu_visible_vram(bo);
-		amdgpu_bo_placement_from_domain(bo, other);
-		r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
-		p->bytes_moved += ctx.bytes_moved;
-		if (update_bytes_moved_vis)
-			p->bytes_moved_vis += ctx.bytes_moved;
-
-		if (unlikely(r))
-			break;
-
-		p->evictable = list_prev_entry(p->evictable, tv.head);
-		list_move(&candidate->tv.head, &p->validated);
-
-		return true;
-	}
-
-	return false;
-}
-
 static int amdgpu_cs_validate(void *param, struct amdgpu_bo *bo)
 {
 	struct amdgpu_cs_parser *p = param;
 	int r;
 
-	do {
-		r = amdgpu_cs_bo_validate(p, bo);
-	} while (r == -ENOMEM && amdgpu_cs_try_evict(p, bo));
+	r = amdgpu_cs_bo_validate(p, bo);
 	if (r)
 		return r;
 
@@ -528,40 +476,33 @@ static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
 	int r;
 
 	list_for_each_entry(lobj, validated, tv.head) {
-		struct amdgpu_bo *bo = lobj->robj;
-		bool binding_userptr = false;
+		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(lobj->tv.bo);
 		struct mm_struct *usermm;
 
 #ifdef notyet
 		usermm = amdgpu_ttm_tt_get_usermm(bo->tbo.ttm);
 		if (usermm && usermm != current->mm)
 			return -EPERM;
+#endif
 
-		/* Check if we have user pages and nobody bound the BO already */
-		if (amdgpu_ttm_tt_userptr_needs_pages(bo->tbo.ttm) &&
-		    lobj->user_pages) {
+		if (amdgpu_ttm_tt_is_userptr(bo->tbo.ttm) &&
+		    lobj->user_invalidated && lobj->user_pages) {
 			amdgpu_bo_placement_from_domain(bo,
 							AMDGPU_GEM_DOMAIN_CPU);
 			r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
 			if (r)
 				return r;
+
 			amdgpu_ttm_tt_set_user_pages(bo->tbo.ttm,
 						     lobj->user_pages);
-			binding_userptr = true;
 		}
-#endif
-
-		if (p->evictable == lobj)
-			p->evictable = NULL;
 
 		r = amdgpu_cs_validate(p, bo);
 		if (r)
 			return r;
 
-		if (binding_userptr) {
-			kvfree(lobj->user_pages);
-			lobj->user_pages = NULL;
-		}
+		kvfree(lobj->user_pages);
+		lobj->user_pages = NULL;
 	}
 	return 0;
 }
@@ -576,7 +517,6 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 	struct amdgpu_bo *gds;
 	struct amdgpu_bo *gws;
 	struct amdgpu_bo *oa;
-	unsigned tries = 10;
 	int r;
 
 	INIT_LIST_HEAD(&p->validated);
@@ -598,100 +538,63 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 			return r;
 	}
 
+	/* One for TTM and one for the CS job */
+	amdgpu_bo_list_for_each_entry(e, p->bo_list)
+		e->tv.num_shared = 2;
+
 	amdgpu_bo_list_get_list(p->bo_list, &p->validated);
-	if (p->bo_list->first_userptr != p->bo_list->num_entries)
-		p->mn = amdgpu_mn_get(p->adev, AMDGPU_MN_TYPE_GFX);
 
 	INIT_LIST_HEAD(&duplicates);
 	amdgpu_vm_get_pd_bo(&fpriv->vm, &p->validated, &p->vm_pd);
 
-	if (p->uf_entry.robj && !p->uf_entry.robj->parent)
+	if (p->uf_entry.tv.bo && !ttm_to_amdgpu_bo(p->uf_entry.tv.bo)->parent)
 		list_add(&p->uf_entry.tv.head, &p->validated);
 
-	while (1) {
-		struct list_head need_pages;
-
-		r = ttm_eu_reserve_buffers(&p->ticket, &p->validated, true,
-					   &duplicates);
-		if (unlikely(r != 0)) {
-			if (r != -ERESTARTSYS)
-				DRM_ERROR("ttm_eu_reserve_buffers failed.\n");
-			goto error_free_pages;
-		}
-
-		INIT_LIST_HEAD(&need_pages);
-		amdgpu_bo_list_for_each_userptr_entry(e, p->bo_list) {
-			struct amdgpu_bo *bo = e->robj;
-
-			if (amdgpu_ttm_tt_userptr_invalidated(bo->tbo.ttm,
-				 &e->user_invalidated) && e->user_pages) {
-
-				/* We acquired a page array, but somebody
-				 * invalidated it. Free it and try again
-				 */
-#ifdef notyet
-				release_pages(e->user_pages,
-					      bo->tbo.ttm->num_pages);
-#endif
-				kvfree(e->user_pages);
-				e->user_pages = NULL;
-			}
-
-			if (amdgpu_ttm_tt_userptr_needs_pages(bo->tbo.ttm) &&
-			    !e->user_pages) {
-				list_del(&e->tv.head);
-				list_add(&e->tv.head, &need_pages);
-
-				amdgpu_bo_unreserve(e->robj);
-			}
+	/* Get userptr backing pages. If pages are updated after registered
+	 * in amdgpu_gem_userptr_ioctl(), amdgpu_cs_list_validate() will do
+	 * amdgpu_ttm_backend_bind() to flush and invalidate new pages
+	 */
+	amdgpu_bo_list_for_each_userptr_entry(e, p->bo_list) {
+		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
+		bool userpage_invalidated = false;
+		int i;
+
+		e->user_pages = kvmalloc_array(bo->tbo.ttm->num_pages,
+					sizeof(struct vm_page *),
+					GFP_KERNEL | __GFP_ZERO);
+		if (!e->user_pages) {
+			DRM_ERROR("calloc failure\n");
+			return -ENOMEM;
 		}
 
-		if (list_empty(&need_pages))
-			break;
-
-		/* Unreserve everything again. */
-		ttm_eu_backoff_reservation(&p->ticket, &p->validated);
-
-		/* We tried too many times, just abort */
-		if (!--tries) {
-			r = -EDEADLK;
-			DRM_ERROR("deadlock in %s\n", __func__);
-			goto error_free_pages;
+		r = amdgpu_ttm_tt_get_user_pages(bo, e->user_pages);
+		if (r) {
+			kvfree(e->user_pages);
+			e->user_pages = NULL;
+			return r;
 		}
 
-		/* Fill the page arrays for all userptrs. */
-		list_for_each_entry(e, &need_pages, tv.head) {
-			struct ttm_tt *ttm = e->robj->tbo.ttm;
-
-			e->user_pages = kvmalloc_array(ttm->num_pages,
-							 sizeof(struct vm_page*),
-							 GFP_KERNEL | __GFP_ZERO);
-			if (!e->user_pages) {
-				r = -ENOMEM;
-				DRM_ERROR("calloc failure in %s\n", __func__);
-				goto error_free_pages;
-			}
-
-			r = amdgpu_ttm_tt_get_user_pages(ttm, e->user_pages);
-			if (r) {
-				DRM_ERROR("amdgpu_ttm_tt_get_user_pages failed.\n");
-				kvfree(e->user_pages);
-				e->user_pages = NULL;
-				goto error_free_pages;
+		for (i = 0; i < bo->tbo.ttm->num_pages; i++) {
+			if (bo->tbo.ttm->pages[i] != e->user_pages[i]) {
+				userpage_invalidated = true;
+				break;
 			}
 		}
+		e->user_invalidated = userpage_invalidated;
+	}
 
-		/* And try again. */
-		list_splice(&need_pages, &p->validated);
+	r = ttm_eu_reserve_buffers(&p->ticket, &p->validated, true,
+				   &duplicates);
+	if (unlikely(r != 0)) {
+		if (r != -ERESTARTSYS)
+			DRM_ERROR("ttm_eu_reserve_buffers failed.\n");
+		goto out;
 	}
 
 	amdgpu_cs_get_threshold_for_moves(p->adev, &p->bytes_moved_threshold,
 					  &p->bytes_moved_vis_threshold);
 	p->bytes_moved = 0;
 	p->bytes_moved_vis = 0;
-	p->evictable = list_last_entry(&p->validated,
-				       struct amdgpu_bo_list_entry,
-				       tv.head);
 
 	r = amdgpu_vm_validate_pt_bos(p->adev, &fpriv->vm,
 				      amdgpu_cs_validate, p);
@@ -701,16 +604,12 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 	}
 
 	r = amdgpu_cs_list_validate(p, &duplicates);
-	if (r) {
-		DRM_ERROR("amdgpu_cs_list_validate(duplicates) failed.\n");
+	if (r)
 		goto error_validate;
-	}
 
 	r = amdgpu_cs_list_validate(p, &p->validated);
-	if (r) {
-		DRM_ERROR("amdgpu_cs_list_validate(validated) failed.\n");
+	if (r)
 		goto error_validate;
-	}
 
 	amdgpu_cs_report_moved_bytes(p->adev, p->bytes_moved,
 				     p->bytes_moved_vis);
@@ -719,24 +618,30 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 	gws = p->bo_list->gws_obj;
 	oa = p->bo_list->oa_obj;
 
-	amdgpu_bo_list_for_each_entry(e, p->bo_list)
-		e->bo_va = amdgpu_vm_bo_find(vm, e->robj);
+	amdgpu_bo_list_for_each_entry(e, p->bo_list) {
+		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
+
+		/* Make sure we use the exclusive slot for shared BOs */
+		if (bo->prime_shared_count)
+			e->tv.num_shared = 0;
+		e->bo_va = amdgpu_vm_bo_find(vm, bo);
+	}
 
 	if (gds) {
-		p->job->gds_base = amdgpu_bo_gpu_offset(gds);
-		p->job->gds_size = amdgpu_bo_size(gds);
+		p->job->gds_base = amdgpu_bo_gpu_offset(gds) >> PAGE_SHIFT;
+		p->job->gds_size = amdgpu_bo_size(gds) >> PAGE_SHIFT;
 	}
 	if (gws) {
-		p->job->gws_base = amdgpu_bo_gpu_offset(gws);
-		p->job->gws_size = amdgpu_bo_size(gws);
+		p->job->gws_base = amdgpu_bo_gpu_offset(gws) >> PAGE_SHIFT;
+		p->job->gws_size = amdgpu_bo_size(gws) >> PAGE_SHIFT;
 	}
 	if (oa) {
-		p->job->oa_base = amdgpu_bo_gpu_offset(oa);
-		p->job->oa_size = amdgpu_bo_size(oa);
+		p->job->oa_base = amdgpu_bo_gpu_offset(oa) >> PAGE_SHIFT;
+		p->job->oa_size = amdgpu_bo_size(oa) >> PAGE_SHIFT;
 	}
 
-	if (!r && p->uf_entry.robj) {
-		struct amdgpu_bo *uf = p->uf_entry.robj;
+	if (!r && p->uf_entry.tv.bo) {
+		struct amdgpu_bo *uf = ttm_to_amdgpu_bo(p->uf_entry.tv.bo);
 
 		r = amdgpu_ttm_alloc_gart(&uf->tbo);
 		p->job->uf_addr += amdgpu_bo_gpu_offset(uf);
@@ -745,33 +650,25 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 error_validate:
 	if (r)
 		ttm_eu_backoff_reservation(&p->ticket, &p->validated);
-
-error_free_pages:
-
-	amdgpu_bo_list_for_each_userptr_entry(e, p->bo_list) {
-		if (!e->user_pages)
-			continue;
-
-#ifdef notyet
-		release_pages(e->user_pages,
-			      e->robj->tbo.ttm->num_pages);
-#endif
-		kvfree(e->user_pages);
-	}
-
+out:
 	return r;
 }
 
 static int amdgpu_cs_sync_rings(struct amdgpu_cs_parser *p)
 {
+	struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
 	struct amdgpu_bo_list_entry *e;
 	int r;
 
 	list_for_each_entry(e, &p->validated, tv.head) {
-		struct reservation_object *resv = e->robj->tbo.resv;
-		r = amdgpu_sync_resv(p->adev, &p->job->sync, resv, p->filp,
-				     amdgpu_bo_explicit_sync(e->robj));
-
+		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
+		struct dma_resv *resv = bo->tbo.base.resv;
+		enum amdgpu_sync_mode sync_mode;
+
+		sync_mode = amdgpu_bo_explicit_sync(bo) ?
+			AMDGPU_SYNC_EXPLICIT : AMDGPU_SYNC_NE_OWNER;
+		r = amdgpu_sync_resv(p->adev, &p->job->sync, resv, sync_mode,
+				     &fpriv->vm);
 		if (r)
 			return r;
 	}
@@ -795,9 +692,11 @@ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error,
 		ttm_eu_backoff_reservation(&parser->ticket,
 					   &parser->validated);
 
-	for (i = 0; i < parser->num_post_dep_syncobjs; i++)
-		drm_syncobj_put(parser->post_dep_syncobjs[i]);
-	kfree(parser->post_dep_syncobjs);
+	for (i = 0; i < parser->num_post_deps; i++) {
+		drm_syncobj_put(parser->post_deps[i].syncobj);
+		kfree(parser->post_deps[i].chain);
+	}
+	kfree(parser->post_deps);
 
 	dma_fence_put(parser->fence);
 
@@ -813,11 +712,16 @@ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error,
 	kfree(parser->chunks);
 	if (parser->job)
 		amdgpu_job_free(parser->job);
-	amdgpu_bo_unref(&parser->uf_entry.robj);
+	if (parser->uf_entry.tv.bo) {
+		struct amdgpu_bo *uf = ttm_to_amdgpu_bo(parser->uf_entry.tv.bo);
+
+		amdgpu_bo_unref(&uf);
+	}
 }
 
-static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p)
+static int amdgpu_cs_vm_handling(struct amdgpu_cs_parser *p)
 {
+	struct amdgpu_ring *ring = to_amdgpu_ring(p->entity->rq->sched);
 	struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
 	struct amdgpu_device *adev = p->adev;
 	struct amdgpu_vm *vm = &fpriv->vm;
@@ -826,92 +730,8 @@ static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p)
 	struct amdgpu_bo *bo;
 	int r;
 
-	r = amdgpu_vm_clear_freed(adev, vm, NULL);
-	if (r)
-		return r;
-
-	r = amdgpu_vm_bo_update(adev, fpriv->prt_va, false);
-	if (r)
-		return r;
-
-	r = amdgpu_sync_fence(adev, &p->job->sync,
-			      fpriv->prt_va->last_pt_update, false);
-	if (r)
-		return r;
-
-	if (amdgpu_sriov_vf(adev)) {
-		struct dma_fence *f;
-
-		bo_va = fpriv->csa_va;
-		BUG_ON(!bo_va);
-		r = amdgpu_vm_bo_update(adev, bo_va, false);
-		if (r)
-			return r;
-
-		f = bo_va->last_pt_update;
-		r = amdgpu_sync_fence(adev, &p->job->sync, f, false);
-		if (r)
-			return r;
-	}
-
-	amdgpu_bo_list_for_each_entry(e, p->bo_list) {
-		struct dma_fence *f;
-
-		/* ignore duplicates */
-		bo = e->robj;
-		if (!bo)
-			continue;
-
-		bo_va = e->bo_va;
-		if (bo_va == NULL)
-			continue;
-
-		r = amdgpu_vm_bo_update(adev, bo_va, false);
-		if (r)
-			return r;
-
-		f = bo_va->last_pt_update;
-		r = amdgpu_sync_fence(adev, &p->job->sync, f, false);
-		if (r)
-			return r;
-	}
-
-	r = amdgpu_vm_handle_moved(adev, vm);
-	if (r)
-		return r;
-
-	r = amdgpu_vm_update_directories(adev, vm);
-	if (r)
-		return r;
-
-	r = amdgpu_sync_fence(adev, &p->job->sync, vm->last_update, false);
-	if (r)
-		return r;
-
-	if (amdgpu_vm_debug) {
-		/* Invalidate all BOs to test for userspace bugs */
-		amdgpu_bo_list_for_each_entry(e, p->bo_list) {
-			/* ignore duplicates */
-			if (!e->robj)
-				continue;
-
-			amdgpu_vm_bo_invalidate(adev, e->robj, false);
-		}
-	}
-
-	return r;
-}
-
-static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev,
-				 struct amdgpu_cs_parser *p)
-{
-	struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
-	struct amdgpu_vm *vm = &fpriv->vm;
-	struct amdgpu_ring *ring = p->ring;
-	int r;
-
 	/* Only for UVD/VCE VM emulation */
-	if (p->ring->funcs->parse_cs || p->ring->funcs->patch_cs_in_place) {
+	if (ring->funcs->parse_cs || ring->funcs->patch_cs_in_place) {
 		unsigned i, j;
 
 		for (i = 0, j = 0; i < p->nchunks && j < p->job->num_ibs; i++) {
@@ -930,7 +750,7 @@ static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev,
 			if (chunk->chunk_id != AMDGPU_CHUNK_ID_IB)
 				continue;
 
-			va_start = chunk_ib->va_start & AMDGPU_VA_HOLE_MASK;
+			va_start = chunk_ib->va_start & AMDGPU_GMC_HOLE_MASK;
 			r = amdgpu_cs_find_mapping(p, va_start, &aobj, &m);
 			if (r) {
 				DRM_ERROR("IB va_start is invalid\n");
@@ -952,7 +772,7 @@ static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev,
 			offset = m->start * AMDGPU_GPU_PAGE_SIZE;
 			kptr += va_start - offset;
 
-			if (p->ring->funcs->parse_cs) {
+			if (ring->funcs->parse_cs) {
 				memcpy(ib->ptr, kptr, chunk_ib->ib_bytes);
 				amdgpu_bo_kunmap(aobj);
 
@@ -971,18 +791,80 @@ static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev,
 		}
 	}
 
-	if (p->job->vm) {
-		p->job->vm_pd_addr = amdgpu_bo_gpu_offset(vm->root.base.bo);
+	if (!p->job->vm)
+		return amdgpu_cs_sync_rings(p);
+
+
+	r = amdgpu_vm_clear_freed(adev, vm, NULL);
+	if (r)
+		return r;
+
+	r = amdgpu_vm_bo_update(adev, fpriv->prt_va, false);
+	if (r)
+		return r;
+
+	r = amdgpu_sync_vm_fence(&p->job->sync, fpriv->prt_va->last_pt_update);
+	if (r)
+		return r;
+
+	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
+		bo_va = fpriv->csa_va;
+		BUG_ON(!bo_va);
+		r = amdgpu_vm_bo_update(adev, bo_va, false);
+		if (r)
+			return r;
+
+		r = amdgpu_sync_vm_fence(&p->job->sync, bo_va->last_pt_update);
+		if (r)
+			return r;
+	}
+
+	amdgpu_bo_list_for_each_entry(e, p->bo_list) {
+		/* ignore duplicates */
+		bo = ttm_to_amdgpu_bo(e->tv.bo);
+		if (!bo)
+			continue;
+
+		bo_va = e->bo_va;
+		if (bo_va == NULL)
+			continue;
 
-		r = amdgpu_bo_vm_update_pte(p);
+		r = amdgpu_vm_bo_update(adev, bo_va, false);
 		if (r)
 			return r;
 
-		r = reservation_object_reserve_shared(vm->root.base.bo->tbo.resv);
+		r = amdgpu_sync_vm_fence(&p->job->sync, bo_va->last_pt_update);
 		if (r)
 			return r;
 	}
 
+	r = amdgpu_vm_handle_moved(adev, vm);
+	if (r)
+		return r;
+
+	r = amdgpu_vm_update_pdes(adev, vm, false);
+	if (r)
+		return r;
+
+	r = amdgpu_sync_vm_fence(&p->job->sync, vm->last_update);
+	if (r)
+		return r;
+
+	p->job->vm_pd_addr = amdgpu_gmc_pd_addr(vm->root.base.bo);
+
+	if (amdgpu_vm_debug) {
+		/* Invalidate all BOs to test for userspace bugs */
+		amdgpu_bo_list_for_each_entry(e, p->bo_list) {
+			struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
+
+			/* ignore duplicates */
+			if (!bo)
+				continue;
+
+			amdgpu_vm_bo_invalidate(adev, bo, false);
+		}
+	}
+
 	return amdgpu_cs_sync_rings(p);
 }
 
@@ -991,14 +873,15 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev,
 {
 	struct amdgpu_fpriv *fpriv = parser->filp->driver_priv;
 	struct amdgpu_vm *vm = &fpriv->vm;
-	int i, j;
 	int r, ce_preempt = 0, de_preempt = 0;
+	struct amdgpu_ring *ring;
+	int i, j;
 
 	for (i = 0, j = 0; i < parser->nchunks && j < parser->job->num_ibs; i++) {
 		struct amdgpu_cs_chunk *chunk;
 		struct amdgpu_ib *ib;
 		struct drm_amdgpu_cs_chunk_ib *chunk_ib;
-		struct amdgpu_ring *ring;
+		struct drm_sched_entity *entity;
 
 		chunk = &parser->chunks[i];
 		ib = &parser->job->ibs[j];
@@ -1007,7 +890,8 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev,
 		if (chunk->chunk_id != AMDGPU_CHUNK_ID_IB)
 			continue;
 
-		if (chunk_ib->ip_type == AMDGPU_HW_IP_GFX && amdgpu_sriov_vf(adev)) {
+		if (chunk_ib->ip_type == AMDGPU_HW_IP_GFX &&
+		    (amdgpu_mcbp || amdgpu_sriov_vf(adev))) {
 			if (chunk_ib->flags & AMDGPU_IB_FLAG_PREEMPT) {
 				if (chunk_ib->flags & AMDGPU_IB_FLAG_CE)
 					ce_preempt++;
@@ -1020,8 +904,9 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev,
 				return -EINVAL;
 		}
 
-		r = amdgpu_queue_mgr_map(adev, &parser->ctx->queue_mgr, chunk_ib->ip_type,
-					 chunk_ib->ip_instance, chunk_ib->ring, &ring);
+		r = amdgpu_ctx_get_entity(parser->ctx, chunk_ib->ip_type,
+					  chunk_ib->ip_instance, chunk_ib->ring,
+					  &entity);
 		if (r)
 			return r;
 
@@ -1029,14 +914,19 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev,
 			parser->job->preamble_status |=
 				AMDGPU_PREAMBLE_IB_PRESENT;
 
-		if (parser->ring && parser->ring != ring)
+		if (parser->entity && parser->entity != entity)
+			return -EINVAL;
+
+		/* Return if there is no run queue associated with this entity.
+		 * Possibly because of disabled HW IP*/
+		if (entity->rq == NULL)
 			return -EINVAL;
 
-		parser->ring = ring;
+		parser->entity = entity;
 
-		r =  amdgpu_ib_get(adev, vm,
-					ring->funcs->parse_cs ? chunk_ib->ib_bytes : 0,
-					ib);
+		ring = to_amdgpu_ring(entity->rq->sched);
+		r =  amdgpu_ib_get(adev, vm, ring->funcs->parse_cs ?
+				   chunk_ib->ib_bytes : 0, ib);
 		if (r) {
 			DRM_ERROR("Failed to get ib !\n");
 			return r;
@@ -1049,13 +939,12 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev,
 		j++;
 	}
 
-	/* UVD & VCE fw doesn't support user fences */
-	if (parser->job->uf_addr && (
-	    parser->ring->funcs->type == AMDGPU_RING_TYPE_UVD ||
-	    parser->ring->funcs->type == AMDGPU_RING_TYPE_VCE))
+	/* MM engine doesn't support user fences */
+	ring = to_amdgpu_ring(parser->entity->rq->sched);
+	if (parser->job->uf_addr && ring->funcs->no_user_fence)
 		return -EINVAL;
 
-	return amdgpu_ctx_wait_prev_fence(parser->ctx, parser->ring->idx);
+	return amdgpu_ctx_wait_prev_fence(parser->ctx, parser->entity);
 }
 
 static int amdgpu_cs_process_fence_dep(struct amdgpu_cs_parser *p,
@@ -1071,51 +960,62 @@ static int amdgpu_cs_process_fence_dep(struct amdgpu_cs_parser *p,
 		sizeof(struct drm_amdgpu_cs_chunk_dep);
 
 	for (i = 0; i < num_deps; ++i) {
-		struct amdgpu_ring *ring;
 		struct amdgpu_ctx *ctx;
+		struct drm_sched_entity *entity;
 		struct dma_fence *fence;
 
 		ctx = amdgpu_ctx_get(fpriv, deps[i].ctx_id);
 		if (ctx == NULL)
 			return -EINVAL;
 
-		r = amdgpu_queue_mgr_map(p->adev, &ctx->queue_mgr,
-					 deps[i].ip_type,
-					 deps[i].ip_instance,
-					 deps[i].ring, &ring);
+		r = amdgpu_ctx_get_entity(ctx, deps[i].ip_type,
+					  deps[i].ip_instance,
+					  deps[i].ring, &entity);
 		if (r) {
 			amdgpu_ctx_put(ctx);
 			return r;
 		}
 
-		fence = amdgpu_ctx_get_fence(ctx, ring,
-					     deps[i].handle);
-		if (IS_ERR(fence)) {
-			r = PTR_ERR(fence);
-			amdgpu_ctx_put(ctx);
-			return r;
-		} else if (fence) {
-			r = amdgpu_sync_fence(p->adev, &p->job->sync, fence,
-					true);
-			dma_fence_put(fence);
-			amdgpu_ctx_put(ctx);
-			if (r)
-				return r;
+		fence = amdgpu_ctx_get_fence(ctx, entity, deps[i].handle);
+		amdgpu_ctx_put(ctx);
+
+		if (IS_ERR(fence))
+			return PTR_ERR(fence);
+		else if (!fence)
+			continue;
+
+		if (chunk->chunk_id == AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES) {
+			struct drm_sched_fence *s_fence;
+			struct dma_fence *old = fence;
+
+			s_fence = to_drm_sched_fence(fence);
+			fence = dma_fence_get(&s_fence->scheduled);
+			dma_fence_put(old);
 		}
+
+		r = amdgpu_sync_fence(&p->job->sync, fence, true);
+		dma_fence_put(fence);
+		if (r)
+			return r;
 	}
 	return 0;
 }
 
 static int amdgpu_syncobj_lookup_and_add_to_sync(struct amdgpu_cs_parser *p,
-						 uint32_t handle)
+						 uint32_t handle, u64 point,
+						 u64 flags)
 {
-	int r;
 	struct dma_fence *fence;
-	r = drm_syncobj_find_fence(p->filp, handle, &fence);
-	if (r)
+	int r;
+
+	r = drm_syncobj_find_fence(p->filp, handle, point, flags, &fence);
+	if (r) {
+		DRM_ERROR("syncobj %u failed to find fence @ %llu (%d)!\n",
+			  handle, point, r);
 		return r;
+	}
 
-	r = amdgpu_sync_fence(p->adev, &p->job->sync, fence, true);
+	r = amdgpu_sync_fence(&p->job->sync, fence, true);
 	dma_fence_put(fence);
 
 	return r;
@@ -1124,46 +1024,123 @@ static int amdgpu_syncobj_lookup_and_add_to_sync(struct amdgpu_cs_parser *p,
 static int amdgpu_cs_process_syncobj_in_dep(struct amdgpu_cs_parser *p,
 					    struct amdgpu_cs_chunk *chunk)
 {
+	struct drm_amdgpu_cs_chunk_sem *deps;
 	unsigned num_deps;
 	int i, r;
-	struct drm_amdgpu_cs_chunk_sem *deps;
 
 	deps = (struct drm_amdgpu_cs_chunk_sem *)chunk->kdata;
 	num_deps = chunk->length_dw * 4 /
 		sizeof(struct drm_amdgpu_cs_chunk_sem);
+	for (i = 0; i < num_deps; ++i) {
+		r = amdgpu_syncobj_lookup_and_add_to_sync(p, deps[i].handle,
+							  0, 0);
+		if (r)
+			return r;
+	}
+
+	return 0;
+}
+
+
+static int amdgpu_cs_process_syncobj_timeline_in_dep(struct amdgpu_cs_parser *p,
+						     struct amdgpu_cs_chunk *chunk)
+{
+	struct drm_amdgpu_cs_chunk_syncobj *syncobj_deps;
+	unsigned num_deps;
+	int i, r;
 
+	syncobj_deps = (struct drm_amdgpu_cs_chunk_syncobj *)chunk->kdata;
+	num_deps = chunk->length_dw * 4 /
+		sizeof(struct drm_amdgpu_cs_chunk_syncobj);
 	for (i = 0; i < num_deps; ++i) {
-		r = amdgpu_syncobj_lookup_and_add_to_sync(p, deps[i].handle);
+		r = amdgpu_syncobj_lookup_and_add_to_sync(p,
+							  syncobj_deps[i].handle,
+							  syncobj_deps[i].point,
+							  syncobj_deps[i].flags);
 		if (r)
 			return r;
 	}
+
 	return 0;
 }
 
 static int amdgpu_cs_process_syncobj_out_dep(struct amdgpu_cs_parser *p,
 					     struct amdgpu_cs_chunk *chunk)
 {
+	struct drm_amdgpu_cs_chunk_sem *deps;
 	unsigned num_deps;
 	int i;
-	struct drm_amdgpu_cs_chunk_sem *deps;
+
 	deps = (struct drm_amdgpu_cs_chunk_sem *)chunk->kdata;
 	num_deps = chunk->length_dw * 4 /
 		sizeof(struct drm_amdgpu_cs_chunk_sem);
 
-	p->post_dep_syncobjs = kmalloc_array(num_deps,
-					     sizeof(struct drm_syncobj *),
-					     GFP_KERNEL);
-	p->num_post_dep_syncobjs = 0;
+	if (p->post_deps)
+		return -EINVAL;
+
+	p->post_deps = kmalloc_array(num_deps, sizeof(*p->post_deps),
+				     GFP_KERNEL);
+	p->num_post_deps = 0;
 
-	if (!p->post_dep_syncobjs)
+	if (!p->post_deps)
 		return -ENOMEM;
 
+
 	for (i = 0; i < num_deps; ++i) {
-		p->post_dep_syncobjs[i] = drm_syncobj_find(p->filp, deps[i].handle);
-		if (!p->post_dep_syncobjs[i])
+		p->post_deps[i].syncobj =
+			drm_syncobj_find(p->filp, deps[i].handle);
+		if (!p->post_deps[i].syncobj)
 			return -EINVAL;
-		p->num_post_dep_syncobjs++;
+		p->post_deps[i].chain = NULL;
+		p->post_deps[i].point = 0;
+		p->num_post_deps++;
 	}
+
+	return 0;
+}
+
+
+static int amdgpu_cs_process_syncobj_timeline_out_dep(struct amdgpu_cs_parser *p,
+						      struct amdgpu_cs_chunk *chunk)
+{
+	struct drm_amdgpu_cs_chunk_syncobj *syncobj_deps;
+	unsigned num_deps;
+	int i;
+
+	syncobj_deps = (struct drm_amdgpu_cs_chunk_syncobj *)chunk->kdata;
+	num_deps = chunk->length_dw * 4 /
+		sizeof(struct drm_amdgpu_cs_chunk_syncobj);
+
+	if (p->post_deps)
+		return -EINVAL;
+
+	p->post_deps = kmalloc_array(num_deps, sizeof(*p->post_deps),
+				     GFP_KERNEL);
+	p->num_post_deps = 0;
+
+	if (!p->post_deps)
+		return -ENOMEM;
+
+	for (i = 0; i < num_deps; ++i) {
+		struct amdgpu_cs_post_dep *dep = &p->post_deps[i];
+
+		dep->chain = NULL;
+		if (syncobj_deps[i].point) {
+			dep->chain = kmalloc(sizeof(*dep->chain), GFP_KERNEL);
+			if (!dep->chain)
+				return -ENOMEM;
+		}
+
+		dep->syncobj = drm_syncobj_find(p->filp,
+						syncobj_deps[i].handle);
+		if (!dep->syncobj) {
+			kfree(dep->chain);
+			return -EINVAL;
+		}
+		dep->point = syncobj_deps[i].point;
+		p->num_post_deps++;
+	}
+
 	return 0;
 }
 
@@ -1177,18 +1154,33 @@ static int amdgpu_cs_dependencies(struct amdgpu_device *adev,
 
 		chunk = &p->chunks[i];
 
-		if (chunk->chunk_id == AMDGPU_CHUNK_ID_DEPENDENCIES) {
+		switch (chunk->chunk_id) {
+		case AMDGPU_CHUNK_ID_DEPENDENCIES:
+		case AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES:
 			r = amdgpu_cs_process_fence_dep(p, chunk);
 			if (r)
 				return r;
-		} else if (chunk->chunk_id == AMDGPU_CHUNK_ID_SYNCOBJ_IN) {
+			break;
+		case AMDGPU_CHUNK_ID_SYNCOBJ_IN:
 			r = amdgpu_cs_process_syncobj_in_dep(p, chunk);
 			if (r)
 				return r;
-		} else if (chunk->chunk_id == AMDGPU_CHUNK_ID_SYNCOBJ_OUT) {
+			break;
+		case AMDGPU_CHUNK_ID_SYNCOBJ_OUT:
 			r = amdgpu_cs_process_syncobj_out_dep(p, chunk);
 			if (r)
 				return r;
+			break;
+		case AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_WAIT:
+			r = amdgpu_cs_process_syncobj_timeline_in_dep(p, chunk);
+			if (r)
+				return r;
+			break;
+		case AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_SIGNAL:
+			r = amdgpu_cs_process_syncobj_timeline_out_dep(p, chunk);
+			if (r)
+				return r;
+			break;
 		}
 	}
 
@@ -1199,53 +1191,59 @@ static void amdgpu_cs_post_dependencies(struct amdgpu_cs_parser *p)
 {
 	int i;
 
-	for (i = 0; i < p->num_post_dep_syncobjs; ++i)
-		drm_syncobj_replace_fence(p->post_dep_syncobjs[i], p->fence);
+	for (i = 0; i < p->num_post_deps; ++i) {
+		if (p->post_deps[i].chain && p->post_deps[i].point) {
+			drm_syncobj_add_point(p->post_deps[i].syncobj,
+					      p->post_deps[i].chain,
+					      p->fence, p->post_deps[i].point);
+			p->post_deps[i].chain = NULL;
+		} else {
+			drm_syncobj_replace_fence(p->post_deps[i].syncobj,
+						  p->fence);
+		}
+	}
 }
 
 static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
 			    union drm_amdgpu_cs *cs)
 {
 	struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
-	struct amdgpu_ring *ring = p->ring;
-	struct drm_sched_entity *entity = &p->ctx->rings[ring->idx].entity;
+	struct drm_sched_entity *entity = p->entity;
 	enum drm_sched_priority priority;
 	struct amdgpu_bo_list_entry *e;
 	struct amdgpu_job *job;
 	uint64_t seq;
-
 	int r;
 
 	job = p->job;
 	p->job = NULL;
 
-	r = drm_sched_job_init(&job->base, entity, p->filp);
+	r = drm_sched_job_init(&job->base, entity, &fpriv->vm);
 	if (r)
 		goto error_unlock;
 
-	/* No memory allocation is allowed while holding the mn lock */
-	amdgpu_mn_lock(p->mn);
+	/* No memory allocation is allowed while holding the notifier lock.
+	 * The lock is held until amdgpu_cs_submit is finished and fence is
+	 * added to BOs.
+	 */
+	mutex_lock(&p->adev->notifier_lock);
+
+	/* If userptr are invalidated after amdgpu_cs_parser_bos(), return
+	 * -EAGAIN, drmIoctl in libdrm will restart the amdgpu_cs_ioctl.
+	 */
 	amdgpu_bo_list_for_each_userptr_entry(e, p->bo_list) {
-		struct amdgpu_bo *bo = e->robj;
+		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
 
-		if (amdgpu_ttm_tt_userptr_needs_pages(bo->tbo.ttm)) {
-			r = -ERESTARTSYS;
-			goto error_abort;
-		}
+		r |= !amdgpu_ttm_tt_get_user_pages_done(bo->tbo.ttm);
 	}
-
-	job->owner = p->filp;
-	p->fence = dma_fence_get(&job->base.s_fence->finished);
-
-	r = amdgpu_ctx_add_fence(p->ctx, ring, p->fence, &seq);
 	if (r) {
-		dma_fence_put(p->fence);
-		dma_fence_put(&job->base.s_fence->finished);
-		amdgpu_job_free(job);
-		amdgpu_mn_unlock(p->mn);
-		return r;
+		r = -EAGAIN;
+		goto error_abort;
 	}
 
+	p->fence = dma_fence_get(&job->base.s_fence->finished);
+
+	amdgpu_ctx_add_fence(p->ctx, entity, p->fence, &seq);
 	amdgpu_cs_post_dependencies(p);
 
 	if ((job->preamble_status & AMDGPU_PREAMBLE_IB_PRESENT) &&
@@ -1264,18 +1262,16 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
 	priority = job->base.s_priority;
 	drm_sched_entity_push_job(&job->base, entity);
 
-	ring = to_amdgpu_ring(entity->rq->sched);
-	amdgpu_ring_priority_get(ring, priority);
+	amdgpu_vm_move_to_lru_tail(p->adev, &fpriv->vm);
 
 	ttm_eu_fence_buffer_objects(&p->ticket, &p->validated, p->fence);
-	amdgpu_mn_unlock(p->mn);
+	mutex_unlock(&p->adev->notifier_lock);
 
 	return 0;
 
 error_abort:
-	dma_fence_put(&job->base.s_fence->finished);
-	job->base.s_fence = NULL;
-	amdgpu_mn_unlock(p->mn);
+	drm_sched_job_cleanup(&job->base);
+	mutex_unlock(&p->adev->notifier_lock);
 
 error_unlock:
 	amdgpu_job_free(job);
@@ -1290,6 +1286,9 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 	bool reserved_buffers = false;
 	int i, r;
 
+	if (amdgpu_ras_intr_triggered())
+		return -EHWPOISON;
+
 	if (!adev->accel_working)
 		return -EBUSY;
 
@@ -1298,7 +1297,7 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 
 	r = amdgpu_cs_parser_init(&parser, data);
 	if (r) {
-		DRM_ERROR("Failed to initialize parser !\n");
+		DRM_ERROR("Failed to initialize parser %d!\n", r);
 		goto out;
 	}
 
@@ -1306,27 +1305,27 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 	if (r)
 		goto out;
 
+	r = amdgpu_cs_dependencies(adev, &parser);
+	if (r) {
+		DRM_ERROR("Failed in the dependencies handling %d!\n", r);
+		goto out;
+	}
+
 	r = amdgpu_cs_parser_bos(&parser, data);
 	if (r) {
 		if (r == -ENOMEM)
 			DRM_ERROR("Not enough memory for command submission!\n");
-		else if (r != -ERESTARTSYS)
+		else if (r != -ERESTARTSYS && r != -EAGAIN)
 			DRM_ERROR("Failed to process the buffer list %d!\n", r);
 		goto out;
 	}
 
 	reserved_buffers = true;
 
-	r = amdgpu_cs_dependencies(adev, &parser);
-	if (r) {
-		DRM_ERROR("Failed in the dependencies handling %d!\n", r);
-		goto out;
-	}
-
 	for (i = 0; i < parser.job->num_ibs; i++)
 		trace_amdgpu_cs(&parser, i);
 
-	r = amdgpu_cs_ib_vm_chunk(adev, &parser);
+	r = amdgpu_cs_vm_handling(&parser);
 	if (r)
 		goto out;
 
@@ -1334,6 +1333,7 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 
 out:
 	amdgpu_cs_parser_fini(&parser, r, reserved_buffers);
+
 	return r;
 }
 
@@ -1350,9 +1350,8 @@ int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data,
 			 struct drm_file *filp)
 {
 	union drm_amdgpu_wait_cs *wait = data;
-	struct amdgpu_device *adev = dev->dev_private;
 	unsigned long timeout = amdgpu_gem_timeout(wait->in.timeout);
-	struct amdgpu_ring *ring = NULL;
+	struct drm_sched_entity *entity;
 	struct amdgpu_ctx *ctx;
 	struct dma_fence *fence;
 	long r;
@@ -1361,15 +1360,14 @@ int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data,
 	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);
+	r = amdgpu_ctx_get_entity(ctx, wait->in.ip_type, wait->in.ip_instance,
+				  wait->in.ring, &entity);
 	if (r) {
 		amdgpu_ctx_put(ctx);
 		return r;
 	}
 
-	fence = amdgpu_ctx_get_fence(ctx, ring, wait->in.handle);
+	fence = amdgpu_ctx_get_fence(ctx, entity, wait->in.handle);
 	if (IS_ERR(fence))
 		r = PTR_ERR(fence);
 	else if (fence) {
@@ -1401,7 +1399,7 @@ static struct dma_fence *amdgpu_cs_get_fence(struct amdgpu_device *adev,
 					     struct drm_file *filp,
 					     struct drm_amdgpu_fence *user)
 {
-	struct amdgpu_ring *ring;
+	struct drm_sched_entity *entity;
 	struct amdgpu_ctx *ctx;
 	struct dma_fence *fence;
 	int r;
@@ -1410,14 +1408,14 @@ static struct dma_fence *amdgpu_cs_get_fence(struct amdgpu_device *adev,
 	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);
+	r = amdgpu_ctx_get_entity(ctx, user->ip_type, user->ip_instance,
+				  user->ring, &entity);
 	if (r) {
 		amdgpu_ctx_put(ctx);
 		return ERR_PTR(r);
 	}
 
-	fence = amdgpu_ctx_get_fence(ctx, ring, user->seq_no);
+	fence = amdgpu_ctx_get_fence(ctx, entity, user->seq_no);
 	amdgpu_ctx_put(ctx);
 
 	return fence;
@@ -1437,6 +1435,9 @@ int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
 	if (IS_ERR(fence))
 		return PTR_ERR(fence);
 
+	if (!fence)
+		fence = dma_fence_get_stub();
+
 	switch (info->in.what) {
 	case AMDGPU_FENCE_TO_HANDLE_GET_SYNCOBJ:
 		r = drm_syncobj_create(&syncobj, 0, fence);
@@ -1661,7 +1662,7 @@ int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
 	*map = mapping;
 
 	/* Double check that the BO is reserved by this CS */
-	if (READ_ONCE((*bo)->tbo.resv->lock.ctx) != &parser->ticket)
+	if (dma_resv_locking_ctx((*bo)->tbo.base.resv) != &parser->ticket)
 		return -EINVAL;
 
 	if (!((*bo)->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS)) {