1 files changed, 206 insertions, 219 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 1345f7eba011..2e8f6cd7a729 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -33,6 +33,7 @@
 #include <linux/slab.h>
 #include <linux/dma-buf.h>
 
+#include <drm/drm_drv.h>
 #include <drm/amdgpu_drm.h>
 #include <drm/drm_cache.h>
 #include "amdgpu.h"
@@ -52,55 +53,44 @@
  *
  */
 
-/**
- * amdgpu_bo_subtract_pin_size - Remove BO from pin_size accounting
- *
- * @bo: &amdgpu_bo buffer object
- *
- * This function is called when a BO stops being pinned, and updates the
- * &amdgpu_device pin_size values accordingly.
- */
-static void amdgpu_bo_subtract_pin_size(struct amdgpu_bo *bo)
+static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
 {
-	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+	struct amdgpu_bo *bo = ttm_to_amdgpu_bo(tbo);
 
-	if (bo->tbo.mem.mem_type == TTM_PL_VRAM) {
-		atomic64_sub(amdgpu_bo_size(bo), &adev->vram_pin_size);
-		atomic64_sub(amdgpu_vram_mgr_bo_visible_size(bo),
-			     &adev->visible_pin_size);
-	} else if (bo->tbo.mem.mem_type == TTM_PL_TT) {
-		atomic64_sub(amdgpu_bo_size(bo), &adev->gart_pin_size);
-	}
+	amdgpu_bo_kunmap(bo);
+
+	if (bo->tbo.base.import_attach)
+		drm_prime_gem_destroy(&bo->tbo.base, bo->tbo.sg);
+	drm_gem_object_release(&bo->tbo.base);
+	amdgpu_bo_unref(&bo->parent);
+	kvfree(bo);
 }
 
-static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
+static void amdgpu_bo_user_destroy(struct ttm_buffer_object *tbo)
 {
-	struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev);
 	struct amdgpu_bo *bo = ttm_to_amdgpu_bo(tbo);
 	struct amdgpu_bo_user *ubo;
 
-	if (bo->tbo.pin_count > 0)
-		amdgpu_bo_subtract_pin_size(bo);
+	ubo = to_amdgpu_bo_user(bo);
+	kfree(ubo->metadata);
+	amdgpu_bo_destroy(tbo);
+}
 
-	amdgpu_bo_kunmap(bo);
+static void amdgpu_bo_vm_destroy(struct ttm_buffer_object *tbo)
+{
+	struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev);
+	struct amdgpu_bo *bo = ttm_to_amdgpu_bo(tbo);
+	struct amdgpu_bo_vm *vmbo;
 
-	if (bo->tbo.base.import_attach)
-		drm_prime_gem_destroy(&bo->tbo.base, bo->tbo.sg);
-	drm_gem_object_release(&bo->tbo.base);
+	vmbo = to_amdgpu_bo_vm(bo);
 	/* in case amdgpu_device_recover_vram got NULL of bo->parent */
-	if (!list_empty(&bo->shadow_list)) {
+	if (!list_empty(&vmbo->shadow_list)) {
 		mutex_lock(&adev->shadow_list_lock);
-		list_del_init(&bo->shadow_list);
+		list_del_init(&vmbo->shadow_list);
 		mutex_unlock(&adev->shadow_list_lock);
 	}
-	amdgpu_bo_unref(&bo->parent);
-
-	if (bo->tbo.type == ttm_bo_type_device) {
-		ubo = to_amdgpu_bo_user(bo);
-		kfree(ubo->metadata);
-	}
 
-	kfree(bo);
+	amdgpu_bo_destroy(tbo);
 }
 
 /**
@@ -115,8 +105,11 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
  */
 bool amdgpu_bo_is_amdgpu_bo(struct ttm_buffer_object *bo)
 {
-	if (bo->destroy == &amdgpu_bo_destroy)
+	if (bo->destroy == &amdgpu_bo_destroy ||
+	    bo->destroy == &amdgpu_bo_user_destroy ||
+	    bo->destroy == &amdgpu_bo_vm_destroy)
 		return true;
+
 	return false;
 }
 
@@ -157,7 +150,9 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain)
 	if (domain & AMDGPU_GEM_DOMAIN_GTT) {
 		places[c].fpfn = 0;
 		places[c].lpfn = 0;
-		places[c].mem_type = TTM_PL_TT;
+		places[c].mem_type =
+			abo->flags & AMDGPU_GEM_CREATE_PREEMPTIBLE ?
+			AMDGPU_PL_PREEMPT : TTM_PL_TT;
 		places[c].flags = 0;
 		c++;
 	}
@@ -202,7 +197,7 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain)
 		c++;
 	}
 
-	BUG_ON(c >= AMDGPU_BO_MAX_PLACEMENTS);
+	BUG_ON(c > AMDGPU_BO_MAX_PLACEMENTS);
 
 	placement->num_placement = c;
 	placement->placement = places;
@@ -386,14 +381,14 @@ int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev,
 	if (cpu_addr)
 		amdgpu_bo_kunmap(*bo_ptr);
 
-	ttm_resource_free(&(*bo_ptr)->tbo, &(*bo_ptr)->tbo.mem);
+	ttm_resource_free(&(*bo_ptr)->tbo, &(*bo_ptr)->tbo.resource);
 
 	for (i = 0; i < (*bo_ptr)->placement.num_placement; ++i) {
 		(*bo_ptr)->placements[i].fpfn = offset >> PAGE_SHIFT;
 		(*bo_ptr)->placements[i].lpfn = (offset + size) >> PAGE_SHIFT;
 	}
 	r = ttm_bo_mem_space(&(*bo_ptr)->tbo, &(*bo_ptr)->placement,
-			     &(*bo_ptr)->tbo.mem, &ctx);
+			     &(*bo_ptr)->tbo.resource, &ctx);
 	if (r)
 		goto error;
 
@@ -456,7 +451,7 @@ static bool amdgpu_bo_validate_size(struct amdgpu_device *adev,
 	if (domain & AMDGPU_GEM_DOMAIN_GTT) {
 		man = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT);
 
-		if (size < (man->size << PAGE_SHIFT))
+		if (size < man->size)
 			return true;
 		else
 			goto fail;
@@ -465,7 +460,7 @@ static bool amdgpu_bo_validate_size(struct amdgpu_device *adev,
 	if (domain & AMDGPU_GEM_DOMAIN_VRAM) {
 		man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
 
-		if (size < (man->size << PAGE_SHIFT))
+		if (size < man->size)
 			return true;
 		else
 			goto fail;
@@ -477,7 +472,7 @@ static bool amdgpu_bo_validate_size(struct amdgpu_device *adev,
 
 fail:
 	DRM_DEBUG("BO size %lu > total memory in domain: %llu\n", size,
-		  man->size << PAGE_SHIFT);
+		  man->size);
 	return false;
 }
 
@@ -515,7 +510,18 @@ bool amdgpu_bo_support_uswc(u64 bo_flags)
 #endif
 }
 
-static int amdgpu_bo_do_create(struct amdgpu_device *adev,
+/**
+ * amdgpu_bo_create - create an &amdgpu_bo buffer object
+ * @adev: amdgpu device object
+ * @bp: parameters to be used for the buffer object
+ * @bo_ptr: pointer to the buffer object pointer
+ *
+ * Creates an &amdgpu_bo buffer object.
+ *
+ * Returns:
+ * 0 for success or a negative error code on failure.
+ */
+int amdgpu_bo_create(struct amdgpu_device *adev,
 			       struct amdgpu_bo_param *bp,
 			       struct amdgpu_bo **bo_ptr)
 {
@@ -552,16 +558,16 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
 	BUG_ON(bp->bo_ptr_size < sizeof(struct amdgpu_bo));
 
 	*bo_ptr = NULL;
-	bo = kzalloc(bp->bo_ptr_size, GFP_KERNEL);
+	bo = kvzalloc(bp->bo_ptr_size, GFP_KERNEL);
 	if (bo == NULL)
 		return -ENOMEM;
 	drm_gem_private_object_init(adev_to_drm(adev), &bo->tbo.base, size);
-	INIT_LIST_HEAD(&bo->shadow_list);
 	bo->vm_bo = NULL;
 	bo->preferred_domains = bp->preferred_domain ? bp->preferred_domain :
 		bp->domain;
 	bo->allowed_domains = bo->preferred_domains;
 	if (bp->type != ttm_bo_type_kernel &&
+	    !(bp->flags & AMDGPU_GEM_CREATE_DISCARDABLE) &&
 	    bo->allowed_domains == AMDGPU_GEM_DOMAIN_VRAM)
 		bo->allowed_domains |= AMDGPU_GEM_DOMAIN_GTT;
 
@@ -570,6 +576,9 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
 	if (!amdgpu_bo_support_uswc(bo->flags))
 		bo->flags &= ~AMDGPU_GEM_CREATE_CPU_GTT_USWC;
 
+	if (adev->ras_enabled)
+		bo->flags |= AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE;
+
 	bo->tbo.bdev = &adev->mman.bdev;
 	if (bp->domain & (AMDGPU_GEM_DOMAIN_GWS | AMDGPU_GEM_DOMAIN_OA |
 			  AMDGPU_GEM_DOMAIN_GDS))
@@ -579,31 +588,33 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
 	if (bp->type == ttm_bo_type_kernel)
 		bo->tbo.priority = 1;
 
-	r = ttm_bo_init_reserved(&adev->mman.bdev, &bo->tbo, size, bp->type,
+	if (!bp->destroy)
+		bp->destroy = &amdgpu_bo_destroy;
+
+	r = ttm_bo_init_reserved(&adev->mman.bdev, &bo->tbo, bp->type,
 				 &bo->placement, page_align, &ctx,  NULL,
-				 bp->resv, &amdgpu_bo_destroy);
+				 bp->resv, bp->destroy);
 	if (unlikely(r != 0))
 		return r;
 
 	if (!amdgpu_gmc_vram_full_visible(&adev->gmc) &&
-	    bo->tbo.mem.mem_type == TTM_PL_VRAM &&
-	    bo->tbo.mem.start < adev->gmc.visible_vram_size >> PAGE_SHIFT)
+	    bo->tbo.resource->mem_type == TTM_PL_VRAM &&
+	    bo->tbo.resource->start < adev->gmc.visible_vram_size >> PAGE_SHIFT)
 		amdgpu_cs_report_moved_bytes(adev, ctx.bytes_moved,
 					     ctx.bytes_moved);
 	else
 		amdgpu_cs_report_moved_bytes(adev, ctx.bytes_moved, 0);
 
 	if (bp->flags & AMDGPU_GEM_CREATE_VRAM_CLEARED &&
-	    bo->tbo.mem.mem_type == TTM_PL_VRAM) {
+	    bo->tbo.resource->mem_type == TTM_PL_VRAM) {
 		struct dma_fence *fence;
 
 		r = amdgpu_fill_buffer(bo, 0, bo->tbo.base.resv, &fence);
 		if (unlikely(r))
 			goto fail_unreserve;
 
-		amdgpu_bo_fence(bo, fence, false);
-		dma_fence_put(bo->tbo.moving);
-		bo->tbo.moving = dma_fence_get(fence);
+		dma_resv_add_fence(bo->tbo.base.resv, fence,
+				   DMA_RESV_USAGE_KERNEL);
 		dma_fence_put(fence);
 	}
 	if (!bp->resv)
@@ -625,140 +636,85 @@ fail_unreserve:
 	return r;
 }
 
-static int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
-				   unsigned long size,
-				   struct amdgpu_bo *bo)
-{
-	struct amdgpu_bo_param bp;
-	int r;
-
-	if (bo->shadow)
-		return 0;
-
-	memset(&bp, 0, sizeof(bp));
-	bp.size = size;
-	bp.domain = AMDGPU_GEM_DOMAIN_GTT;
-	bp.flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC |
-		AMDGPU_GEM_CREATE_SHADOW;
-	bp.type = ttm_bo_type_kernel;
-	bp.resv = bo->tbo.base.resv;
-	bp.bo_ptr_size = sizeof(struct amdgpu_bo);
-
-	r = amdgpu_bo_do_create(adev, &bp, &bo->shadow);
-	if (!r) {
-		bo->shadow->parent = amdgpu_bo_ref(bo);
-		mutex_lock(&adev->shadow_list_lock);
-		list_add_tail(&bo->shadow->shadow_list, &adev->shadow_list);
-		mutex_unlock(&adev->shadow_list_lock);
-	}
-
-	return r;
-}
-
 /**
- * amdgpu_bo_create - create an &amdgpu_bo buffer object
+ * amdgpu_bo_create_user - create an &amdgpu_bo_user buffer object
  * @adev: amdgpu device object
  * @bp: parameters to be used for the buffer object
- * @bo_ptr: pointer to the buffer object pointer
+ * @ubo_ptr: pointer to the buffer object pointer
  *
- * Creates an &amdgpu_bo buffer object; and if requested, also creates a
- * shadow object.
- * Shadow object is used to backup the original buffer object, and is always
- * in GTT.
+ * Create a BO to be used by user application;
  *
  * Returns:
  * 0 for success or a negative error code on failure.
  */
-int amdgpu_bo_create(struct amdgpu_device *adev,
-		     struct amdgpu_bo_param *bp,
-		     struct amdgpu_bo **bo_ptr)
+
+int amdgpu_bo_create_user(struct amdgpu_device *adev,
+			  struct amdgpu_bo_param *bp,
+			  struct amdgpu_bo_user **ubo_ptr)
 {
-	u64 flags = bp->flags;
+	struct amdgpu_bo *bo_ptr;
 	int r;
 
-	bp->flags = bp->flags & ~AMDGPU_GEM_CREATE_SHADOW;
-
-	r = amdgpu_bo_do_create(adev, bp, bo_ptr);
+	bp->bo_ptr_size = sizeof(struct amdgpu_bo_user);
+	bp->destroy = &amdgpu_bo_user_destroy;
+	r = amdgpu_bo_create(adev, bp, &bo_ptr);
 	if (r)
 		return r;
 
-	if ((flags & AMDGPU_GEM_CREATE_SHADOW) && !(adev->flags & AMD_IS_APU)) {
-		if (!bp->resv)
-			WARN_ON(dma_resv_lock((*bo_ptr)->tbo.base.resv,
-							NULL));
-
-		r = amdgpu_bo_create_shadow(adev, bp->size, *bo_ptr);
-
-		if (!bp->resv)
-			dma_resv_unlock((*bo_ptr)->tbo.base.resv);
-
-		if (r)
-			amdgpu_bo_unref(bo_ptr);
-	}
-
+	*ubo_ptr = to_amdgpu_bo_user(bo_ptr);
 	return r;
 }
 
 /**
- * amdgpu_bo_create_user - create an &amdgpu_bo_user buffer object
+ * amdgpu_bo_create_vm - create an &amdgpu_bo_vm buffer object
  * @adev: amdgpu device object
  * @bp: parameters to be used for the buffer object
- * @ubo_ptr: pointer to the buffer object pointer
+ * @vmbo_ptr: pointer to the buffer object pointer
  *
- * Create a BO to be used by user application;
+ * Create a BO to be for GPUVM.
  *
  * Returns:
  * 0 for success or a negative error code on failure.
  */
 
-int amdgpu_bo_create_user(struct amdgpu_device *adev,
-			  struct amdgpu_bo_param *bp,
-			  struct amdgpu_bo_user **ubo_ptr)
+int amdgpu_bo_create_vm(struct amdgpu_device *adev,
+			struct amdgpu_bo_param *bp,
+			struct amdgpu_bo_vm **vmbo_ptr)
 {
 	struct amdgpu_bo *bo_ptr;
 	int r;
 
-	bp->flags = bp->flags & ~AMDGPU_GEM_CREATE_SHADOW;
-	bp->bo_ptr_size = sizeof(struct amdgpu_bo_user);
-	r = amdgpu_bo_do_create(adev, bp, &bo_ptr);
+	/* bo_ptr_size will be determined by the caller and it depends on
+	 * num of amdgpu_vm_pt entries.
+	 */
+	BUG_ON(bp->bo_ptr_size < sizeof(struct amdgpu_bo_vm));
+	r = amdgpu_bo_create(adev, bp, &bo_ptr);
 	if (r)
 		return r;
 
-	*ubo_ptr = to_amdgpu_bo_user(bo_ptr);
+	*vmbo_ptr = to_amdgpu_bo_vm(bo_ptr);
+	INIT_LIST_HEAD(&(*vmbo_ptr)->shadow_list);
+	/* Set destroy callback to amdgpu_bo_vm_destroy after vmbo->shadow_list
+	 * is initialized.
+	 */
+	bo_ptr->tbo.destroy = &amdgpu_bo_vm_destroy;
 	return r;
 }
+
 /**
- * amdgpu_bo_validate - validate an &amdgpu_bo buffer object
- * @bo: pointer to the buffer object
+ * amdgpu_bo_add_to_shadow_list - add a BO to the shadow list
  *
- * Sets placement according to domain; and changes placement and caching
- * policy of the buffer object according to the placement.
- * This is used for validating shadow bos.  It calls ttm_bo_validate() to
- * make sure the buffer is resident where it needs to be.
+ * @vmbo: BO that will be inserted into the shadow list
  *
- * Returns:
- * 0 for success or a negative error code on failure.
+ * Insert a BO to the shadow list.
  */
-int amdgpu_bo_validate(struct amdgpu_bo *bo)
+void amdgpu_bo_add_to_shadow_list(struct amdgpu_bo_vm *vmbo)
 {
-	struct ttm_operation_ctx ctx = { false, false };
-	uint32_t domain;
-	int r;
+	struct amdgpu_device *adev = amdgpu_ttm_adev(vmbo->bo.tbo.bdev);
 
-	if (bo->tbo.pin_count)
-		return 0;
-
-	domain = bo->preferred_domains;
-
-retry:
-	amdgpu_bo_placement_from_domain(bo, domain);
-	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
-	if (unlikely(r == -ENOMEM) && domain != bo->allowed_domains) {
-		domain = bo->allowed_domains;
-		goto retry;
-	}
-
-	return r;
+	mutex_lock(&adev->shadow_list_lock);
+	list_add_tail(&vmbo->shadow_list, &adev->shadow_list);
+	mutex_unlock(&adev->shadow_list_lock);
 }
 
 /**
@@ -808,6 +764,11 @@ int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr)
 	if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)
 		return -EPERM;
 
+	r = dma_resv_wait_timeout(bo->tbo.base.resv, DMA_RESV_USAGE_KERNEL,
+				  false, MAX_SCHEDULE_TIMEOUT);
+	if (r < 0)
+		return r;
+
 	kptr = amdgpu_bo_kptr(bo);
 	if (kptr) {
 		if (ptr)
@@ -815,12 +776,7 @@ int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr)
 		return 0;
 	}
 
-	r = dma_resv_wait_timeout_rcu(bo->tbo.base.resv, false, false,
-						MAX_SCHEDULE_TIMEOUT);
-	if (r < 0)
-		return r;
-
-	r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.mem.num_pages, &bo->kmap);
+	r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.resource->num_pages, &bo->kmap);
 	if (r)
 		return r;
 
@@ -929,22 +885,21 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
 	if (WARN_ON_ONCE(min_offset > max_offset))
 		return -EINVAL;
 
+	/* Check domain to be pinned to against preferred domains */
+	if (bo->preferred_domains & domain)
+		domain = bo->preferred_domains & domain;
+
 	/* A shared bo cannot be migrated to VRAM */
-	if (bo->prime_shared_count || bo->tbo.base.import_attach) {
+	if (bo->tbo.base.import_attach) {
 		if (domain & AMDGPU_GEM_DOMAIN_GTT)
 			domain = AMDGPU_GEM_DOMAIN_GTT;
 		else
 			return -EINVAL;
 	}
 
-	/* This assumes only APU display buffers are pinned with (VRAM|GTT).
-	 * See function amdgpu_display_supported_domains()
-	 */
-	domain = amdgpu_bo_get_preferred_pin_domain(adev, domain);
-
 	if (bo->tbo.pin_count) {
-		uint32_t mem_type = bo->tbo.mem.mem_type;
-		uint32_t mem_flags = bo->tbo.mem.placement;
+		uint32_t mem_type = bo->tbo.resource->mem_type;
+		uint32_t mem_flags = bo->tbo.resource->placement;
 
 		if (!(domain & amdgpu_mem_type_to_domain(mem_type)))
 			return -EINVAL;
@@ -966,6 +921,11 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
 		return 0;
 	}
 
+	/* This assumes only APU display buffers are pinned with (VRAM|GTT).
+	 * See function amdgpu_display_supported_domains()
+	 */
+	domain = amdgpu_bo_get_preferred_domain(adev, domain);
+
 	if (bo->tbo.base.import_attach)
 		dma_buf_pin(bo->tbo.base.import_attach);
 
@@ -994,7 +954,7 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
 
 	ttm_bo_pin(&bo->tbo);
 
-	domain = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type);
+	domain = amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type);
 	if (domain == AMDGPU_GEM_DOMAIN_VRAM) {
 		atomic64_add(amdgpu_bo_size(bo), &adev->vram_pin_size);
 		atomic64_add(amdgpu_vram_mgr_bo_visible_size(bo),
@@ -1037,37 +997,22 @@ int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain)
  */
 void amdgpu_bo_unpin(struct amdgpu_bo *bo)
 {
+	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+
 	ttm_bo_unpin(&bo->tbo);
 	if (bo->tbo.pin_count)
 		return;
 
-	amdgpu_bo_subtract_pin_size(bo);
-
 	if (bo->tbo.base.import_attach)
 		dma_buf_unpin(bo->tbo.base.import_attach);
-}
-
-/**
- * amdgpu_bo_evict_vram - evict VRAM buffers
- * @adev: amdgpu device object
- *
- * Evicts all VRAM buffers on the lru list of the memory type.
- * Mainly used for evicting vram at suspend time.
- *
- * Returns:
- * 0 for success or a negative error code on failure.
- */
-int amdgpu_bo_evict_vram(struct amdgpu_device *adev)
-{
-	struct ttm_resource_manager *man;
 
-	if (adev->in_s3 && (adev->flags & AMD_IS_APU)) {
-		/* No need to evict vram on APUs for suspend to ram */
-		return 0;
+	if (bo->tbo.resource->mem_type == TTM_PL_VRAM) {
+		atomic64_sub(amdgpu_bo_size(bo), &adev->vram_pin_size);
+		atomic64_sub(amdgpu_vram_mgr_bo_visible_size(bo),
+			     &adev->visible_pin_size);
+	} else if (bo->tbo.resource->mem_type == TTM_PL_TT) {
+		atomic64_sub(amdgpu_bo_size(bo), &adev->gart_pin_size);
 	}
-
-	man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
-	return ttm_resource_manager_evict_all(&adev->mman.bdev, man);
 }
 
 static const char *amdgpu_vram_names[] = {
@@ -1081,7 +1026,9 @@ static const char *amdgpu_vram_names[] = {
 	"DDR3",
 	"DDR4",
 	"GDDR6",
-	"DDR5"
+	"DDR5",
+	"LPDDR4",
+	"LPDDR5"
 };
 
 /**
@@ -1098,9 +1045,14 @@ int amdgpu_bo_init(struct amdgpu_device *adev)
 	/* On A+A platform, VRAM can be mapped as WB */
 	if (!adev->gmc.xgmi.connected_to_cpu) {
 		/* reserve PAT memory space to WC for VRAM */
-		arch_io_reserve_memtype_wc(adev->gmc.aper_base,
+		int r = arch_io_reserve_memtype_wc(adev->gmc.aper_base,
 				adev->gmc.aper_size);
 
+		if (r) {
+			DRM_ERROR("Unable to set WC memtype for the aperture base\n");
+			return r;
+		}
+
 		/* Add an MTRR for the VRAM */
 		adev->gmc.vram_mtrr = arch_phys_wc_add(adev->gmc.aper_base,
 				adev->gmc.aper_size);
@@ -1122,10 +1074,17 @@ int amdgpu_bo_init(struct amdgpu_device *adev)
  */
 void amdgpu_bo_fini(struct amdgpu_device *adev)
 {
+	int idx;
+
 	amdgpu_ttm_fini(adev);
-	if (!adev->gmc.xgmi.connected_to_cpu) {
-		arch_phys_wc_del(adev->gmc.vram_mtrr);
-		arch_io_free_memtype_wc(adev->gmc.aper_base, adev->gmc.aper_size);
+
+	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
+
+		if (!adev->gmc.xgmi.connected_to_cpu) {
+			arch_phys_wc_del(adev->gmc.vram_mtrr);
+			arch_io_free_memtype_wc(adev->gmc.aper_base, adev->gmc.aper_size);
+		}
+		drm_dev_exit(idx);
 	}
 }
 
@@ -1246,6 +1205,9 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
 
 	BUG_ON(bo->tbo.type == ttm_bo_type_kernel);
 	ubo = to_amdgpu_bo_user(bo);
+	if (metadata_size)
+		*metadata_size = ubo->metadata_size;
+
 	if (buffer) {
 		if (buffer_size < ubo->metadata_size)
 			return -EINVAL;
@@ -1254,8 +1216,6 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
 			memcpy(buffer, ubo->metadata, ubo->metadata_size);
 	}
 
-	if (metadata_size)
-		*metadata_size = ubo->metadata_size;
 	if (flags)
 		*flags = ubo->metadata_flags;
 
@@ -1278,7 +1238,7 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
 {
 	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);
 	struct amdgpu_bo *abo;
-	struct ttm_resource *old_mem = &bo->mem;
+	struct ttm_resource *old_mem = bo->resource;
 
 	if (!amdgpu_bo_is_amdgpu_bo(bo))
 		return;
@@ -1289,7 +1249,7 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
 	amdgpu_bo_kunmap(abo);
 
 	if (abo->tbo.base.dma_buf && !abo->tbo.base.import_attach &&
-	    bo->mem.mem_type != TTM_PL_SYSTEM)
+	    bo->resource->mem_type != TTM_PL_SYSTEM)
 		dma_buf_move_notify(abo->tbo.base.dma_buf);
 
 	/* remember the eviction */
@@ -1304,6 +1264,26 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
 	trace_amdgpu_bo_move(abo, new_mem->mem_type, old_mem->mem_type);
 }
 
+void amdgpu_bo_get_memory(struct amdgpu_bo *bo, uint64_t *vram_mem,
+				uint64_t *gtt_mem, uint64_t *cpu_mem)
+{
+	unsigned int domain;
+
+	domain = amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type);
+	switch (domain) {
+	case AMDGPU_GEM_DOMAIN_VRAM:
+		*vram_mem += amdgpu_bo_size(bo);
+		break;
+	case AMDGPU_GEM_DOMAIN_GTT:
+		*gtt_mem += amdgpu_bo_size(bo);
+		break;
+	case AMDGPU_GEM_DOMAIN_CPU:
+	default:
+		*cpu_mem += amdgpu_bo_size(bo);
+		break;
+	}
+}
+
 /**
  * amdgpu_bo_release_notify - notification about a BO being released
  * @bo: pointer to a buffer object
@@ -1313,6 +1293,7 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
  */
 void amdgpu_bo_release_notify(struct ttm_buffer_object *bo)
 {
+	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);
 	struct dma_fence *fence = NULL;
 	struct amdgpu_bo *abo;
 	int r;
@@ -1323,7 +1304,7 @@ void amdgpu_bo_release_notify(struct ttm_buffer_object *bo)
 	abo = ttm_to_amdgpu_bo(bo);
 
 	if (abo->kfd_bo)
-		amdgpu_amdkfd_unreserve_memory_limit(abo);
+		amdgpu_amdkfd_release_notify(abo);
 
 	/* We only remove the fence if the resv has individualized. */
 	WARN_ON_ONCE(bo->type == ttm_bo_type_kernel
@@ -1331,11 +1312,13 @@ void amdgpu_bo_release_notify(struct ttm_buffer_object *bo)
 	if (bo->base.resv == &bo->base._resv)
 		amdgpu_amdkfd_remove_fence_on_pt_pd_bos(abo);
 
-	if (bo->mem.mem_type != TTM_PL_VRAM || !bo->mem.mm_node ||
-	    !(abo->flags & AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE))
+	if (!bo->resource || bo->resource->mem_type != TTM_PL_VRAM ||
+	    !(abo->flags & AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE) ||
+	    adev->in_suspend || adev->shutdown)
 		return;
 
-	dma_resv_lock(bo->base.resv, NULL);
+	if (WARN_ON_ONCE(!dma_resv_trylock(bo->base.resv)))
+		return;
 
 	r = amdgpu_fill_buffer(abo, AMDGPU_POISON, bo->base.resv, &fence);
 	if (!WARN_ON(r)) {
@@ -1362,18 +1345,17 @@ vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
 	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);
 	struct ttm_operation_ctx ctx = { false, false };
 	struct amdgpu_bo *abo = ttm_to_amdgpu_bo(bo);
-	unsigned long offset, size;
+	unsigned long offset;
 	int r;
 
 	/* Remember that this BO was accessed by the CPU */
 	abo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
 
-	if (bo->mem.mem_type != TTM_PL_VRAM)
+	if (bo->resource->mem_type != TTM_PL_VRAM)
 		return 0;
 
-	size = bo->mem.num_pages << PAGE_SHIFT;
-	offset = bo->mem.start << PAGE_SHIFT;
-	if ((offset + size) <= adev->gmc.visible_vram_size)
+	offset = bo->resource->start << PAGE_SHIFT;
+	if ((offset + bo->base.size) <= adev->gmc.visible_vram_size)
 		return 0;
 
 	/* Can't move a pinned BO to visible VRAM */
@@ -1395,10 +1377,10 @@ vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
 	else if (unlikely(r))
 		return VM_FAULT_SIGBUS;
 
-	offset = bo->mem.start << PAGE_SHIFT;
+	offset = bo->resource->start << PAGE_SHIFT;
 	/* this should never happen */
-	if (bo->mem.mem_type == TTM_PL_VRAM &&
-	    (offset + size) > adev->gmc.visible_vram_size)
+	if (bo->resource->mem_type == TTM_PL_VRAM &&
+	    (offset + bo->base.size) > adev->gmc.visible_vram_size)
 		return VM_FAULT_SIGBUS;
 
 	ttm_bo_move_to_lru_tail_unlocked(bo);
@@ -1417,11 +1399,17 @@ void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
 		     bool shared)
 {
 	struct dma_resv *resv = bo->tbo.base.resv;
+	int r;
 
-	if (shared)
-		dma_resv_add_shared_fence(resv, fence);
-	else
-		dma_resv_add_excl_fence(resv, fence);
+	r = dma_resv_reserve_fences(resv, 1);
+	if (r) {
+		/* As last resort on OOM we block for the fence */
+		dma_fence_wait(fence, false);
+		return;
+	}
+
+	dma_resv_add_fence(resv, fence, shared ? DMA_RESV_USAGE_READ :
+			   DMA_RESV_USAGE_WRITE);
 }
 
 /**
@@ -1482,11 +1470,11 @@ int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr)
  */
 u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo)
 {
-	WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_SYSTEM);
+	WARN_ON_ONCE(bo->tbo.resource->mem_type == TTM_PL_SYSTEM);
 	WARN_ON_ONCE(!dma_resv_is_locked(bo->tbo.base.resv) &&
 		     !bo->tbo.pin_count && bo->tbo.type != ttm_bo_type_kernel);
-	WARN_ON_ONCE(bo->tbo.mem.start == AMDGPU_BO_INVALID_OFFSET);
-	WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_VRAM &&
+	WARN_ON_ONCE(bo->tbo.resource->start == AMDGPU_BO_INVALID_OFFSET);
+	WARN_ON_ONCE(bo->tbo.resource->mem_type == TTM_PL_VRAM &&
 		     !(bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS));
 
 	return amdgpu_bo_gpu_offset_no_check(bo);
@@ -1504,21 +1492,21 @@ u64 amdgpu_bo_gpu_offset_no_check(struct amdgpu_bo *bo)
 	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
 	uint64_t offset;
 
-	offset = (bo->tbo.mem.start << PAGE_SHIFT) +
-		 amdgpu_ttm_domain_start(adev, bo->tbo.mem.mem_type);
+	offset = (bo->tbo.resource->start << PAGE_SHIFT) +
+		 amdgpu_ttm_domain_start(adev, bo->tbo.resource->mem_type);
 
 	return amdgpu_gmc_sign_extend(offset);
 }
 
 /**
- * amdgpu_bo_get_preferred_pin_domain - get preferred domain for scanout
+ * amdgpu_bo_get_preferred_domain - get preferred domain
  * @adev: amdgpu device object
  * @domain: allowed :ref:`memory domains <amdgpu_memory_domains>`
  *
  * Returns:
- * Which of the allowed domains is preferred for pinning the BO for scanout.
+ * Which of the allowed domains is preferred for allocating the BO.
  */
-uint32_t amdgpu_bo_get_preferred_pin_domain(struct amdgpu_device *adev,
+uint32_t amdgpu_bo_get_preferred_domain(struct amdgpu_device *adev,
 					    uint32_t domain)
 {
 	if (domain == (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT)) {
@@ -1558,7 +1546,7 @@ u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m)
 	unsigned int pin_count;
 	u64 size;
 
-	domain = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type);
+	domain = amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type);
 	switch (domain) {
 	case AMDGPU_GEM_DOMAIN_VRAM:
 		placement = "VRAM";
@@ -1592,7 +1580,6 @@ u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m)
 	amdgpu_bo_print_flag(m, bo, NO_CPU_ACCESS);
 	amdgpu_bo_print_flag(m, bo, CPU_GTT_USWC);
 	amdgpu_bo_print_flag(m, bo, VRAM_CLEARED);
-	amdgpu_bo_print_flag(m, bo, SHADOW);
 	amdgpu_bo_print_flag(m, bo, VRAM_CONTIGUOUS);
 	amdgpu_bo_print_flag(m, bo, VM_ALWAYS_VALID);
 	amdgpu_bo_print_flag(m, bo, EXPLICIT_SYNC);