Merge branch 'drm-next-4.14' of git://people.freedesktop.org/~agd5f/linux into drm-next

More changes for 4.14.  Highlights:
- command submission overhead improvements
- Huge page support for vega10
- physical mode support for mjpeg for asics that don't support UVD vm
- improve ttm_mem_type_manager_func debug
- misc ttm fixes, cleanups
- misc gpuvm cleanups

* 'drm-next-4.14' of git://people.freedesktop.org/~agd5f/linux: (26 commits)
  drm/ttm: use reservation_object_trylock in ttm_bo_individualize_resv v2
  drm/amdgpu: fix vega10 graphic hang issue in S3 test
  drm/amdgpu: bump version for support of UVD MJPEG decode
  drm/amdgpu: add MJPEG check for UVD physical mode msg buffer
  drm/ttm: Fix accounting error when fail to get pages for pool
  drm/amd/amdgpu: expose fragment size as module parameter (v2)
  drm/amd/amdgpu: store fragment_size in vm_manager
  drm/amdgpu: rename VM invalidated to moved
  drm/amdgpu: separate bo_va structure
  drm/amdgpu: drop the extra VM huge page flag v2
  drm/amdgpu: remove superflous amdgpu_bo_kmap in the VM
  drm/amdgpu: cleanup static CSA handling
  drm/amdgpu: SHADOW and VRAM_CONTIGUOUS flags shouldn't be used by userspace
  drm/amdgpu: save list length when fence is signaled
  drm/amdgpu: move vram usage tracking into the vram manager v2
  drm/amdgpu: move gtt usage tracking into the gtt manager v2
  drm/amdgpu: move debug print into the MM managers
  drm/amdgpu: fix incorrect use of the lru_lock
  drm/radeon: fix incorrect use of the lru_lock
  drm/ttm: make ttm_mem_type_manager_func debug more useful
  ...

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -96,6 +96,7 @@ extern int amdgpu_bapm;
 extern int amdgpu_deep_color;
 extern int amdgpu_vm_size;
 extern int amdgpu_vm_block_size;
+extern int amdgpu_vm_fragment_size;
 extern int amdgpu_vm_fault_stop;
 extern int amdgpu_vm_debug;
 extern int amdgpu_vm_update_mode;
@@ -748,6 +749,7 @@ void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr);
 struct amdgpu_fpriv {
 	struct amdgpu_vm	vm;
 	struct amdgpu_bo_va	*prt_va;
+	struct amdgpu_bo_va	*csa_va;
 	struct mutex		bo_list_lock;
 	struct idr		bo_list_handles;
 	struct amdgpu_ctx_mgr	ctx_mgr;
@@ -1482,9 +1484,6 @@ struct amdgpu_device {
 	struct amdgpu_mman		mman;
 	struct amdgpu_vram_scratch	vram_scratch;
 	struct amdgpu_wb		wb;
-	atomic64_t			vram_usage;
-	atomic64_t			vram_vis_usage;
-	atomic64_t			gtt_usage;
 	atomic64_t			num_bytes_moved;
 	atomic64_t			num_evictions;
 	atomic64_t			num_vram_cpu_page_faults;

drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

@@ -246,7 +246,7 @@ static void amdgpu_cs_get_threshold_for_moves(struct amdgpu_device *adev,
 	}
 
 	total_vram = adev->mc.real_vram_size - adev->vram_pin_size;
-	used_vram = atomic64_read(&adev->vram_usage);
+	used_vram = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
 	free_vram = used_vram >= total_vram ? 0 : total_vram - used_vram;
 
 	spin_lock(&adev->mm_stats.lock);
@@ -292,7 +292,8 @@ static void amdgpu_cs_get_threshold_for_moves(struct amdgpu_device *adev,
 	/* Do the same for visible VRAM if half of it is free */
 	if (adev->mc.visible_vram_size < adev->mc.real_vram_size) {
 		u64 total_vis_vram = adev->mc.visible_vram_size;
-		u64 used_vis_vram = atomic64_read(&adev->vram_vis_usage);
+		u64 used_vis_vram =
+			amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
 
 		if (used_vis_vram < total_vis_vram) {
 			u64 free_vis_vram = total_vis_vram - used_vis_vram;
@@ -673,10 +674,8 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 	}
 
 error_validate:
-	if (r) {
-		amdgpu_vm_move_pt_bos_in_lru(p->adev, &fpriv->vm);
+	if (r)
 		ttm_eu_backoff_reservation(&p->ticket, &p->validated);
-	}
 
 error_free_pages:
 
@@ -724,21 +723,18 @@ static int amdgpu_cs_sync_rings(struct amdgpu_cs_parser *p)
  * If error is set than unvalidate buffer, otherwise just free memory
  * used by parsing context.
  **/
-static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error, bool backoff)
+static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error,
+				  bool backoff)
 {
-	struct amdgpu_fpriv *fpriv = parser->filp->driver_priv;
 	unsigned i;
 
-	if (!error) {
-		amdgpu_vm_move_pt_bos_in_lru(parser->adev, &fpriv->vm);
-
+	if (!error)
 		ttm_eu_fence_buffer_objects(&parser->ticket,
 					    &parser->validated,
 					    parser->fence);
-	} else if (backoff) {
+	else if (backoff)
 		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]);
@@ -791,7 +787,8 @@ static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p)
 
 	if (amdgpu_sriov_vf(adev)) {
 		struct dma_fence *f;
-		bo_va = vm->csa_bo_va;
+
+		bo_va = fpriv->csa_va;
 		BUG_ON(!bo_va);
 		r = amdgpu_vm_bo_update(adev, bo_va, false);
 		if (r)
@@ -828,7 +825,7 @@ static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p)
 
 	}
 
-	r = amdgpu_vm_clear_invalids(adev, vm, &p->job->sync);
+	r = amdgpu_vm_clear_moved(adev, vm, &p->job->sync);
 
 	if (amdgpu_vm_debug && p->bo_list) {
 		/* Invalidate all BOs to test for userspace bugs */
@@ -1490,7 +1487,7 @@ amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
 			    addr > mapping->last)
 				continue;
 
-			*bo = lobj->bo_va->bo;
+			*bo = lobj->bo_va->base.bo;
 			return mapping;
 		}
 
@@ -1499,7 +1496,7 @@ amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
 			    addr > mapping->last)
 				continue;
 
-			*bo = lobj->bo_va->bo;
+			*bo = lobj->bo_va->base.bo;
 			return mapping;
 		}
 	}

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -1076,6 +1076,13 @@ static void amdgpu_check_arguments(struct amdgpu_device *adev)
 		amdgpu_gtt_size = -1;
 	}
 
+	/* valid range is between 4 and 9 inclusive */
+	if (amdgpu_vm_fragment_size != -1 &&
+	    (amdgpu_vm_fragment_size > 9 || amdgpu_vm_fragment_size < 4)) {
+		dev_warn(adev->dev, "valid range is between 4 and 9\n");
+		amdgpu_vm_fragment_size = -1;
+	}
+
 	amdgpu_check_vm_size(adev);
 
 	amdgpu_check_block_size(adev);

drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c

@@ -68,9 +68,10 @@
  * - 3.16.0 - Add reserved vmid support
  * - 3.17.0 - Add AMDGPU_NUM_VRAM_CPU_PAGE_FAULTS.
  * - 3.18.0 - Export gpu always on cu bitmap
+ * - 3.19.0 - Add support for UVD MJPEG decode
  */
 #define KMS_DRIVER_MAJOR	3
-#define KMS_DRIVER_MINOR	18
+#define KMS_DRIVER_MINOR	19
 #define KMS_DRIVER_PATCHLEVEL	0
 
 int amdgpu_vram_limit = 0;
@@ -94,6 +95,7 @@ unsigned amdgpu_ip_block_mask = 0xffffffff;
 int amdgpu_bapm = -1;
 int amdgpu_deep_color = 0;
 int amdgpu_vm_size = -1;
+int amdgpu_vm_fragment_size = -1;
 int amdgpu_vm_block_size = -1;
 int amdgpu_vm_fault_stop = 0;
 int amdgpu_vm_debug = 0;
@@ -183,6 +185,9 @@ module_param_named(deep_color, amdgpu_deep_color, int, 0444);
 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 64GB)");
 module_param_named(vm_size, amdgpu_vm_size, int, 0444);
 
+MODULE_PARM_DESC(vm_fragment_size, "VM fragment size in bits (4, 5, etc. 4 = 64K (default), Max 9 = 2M)");
+module_param_named(vm_fragment_size, amdgpu_vm_fragment_size, int, 0444);
+
 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
 module_param_named(vm_block_size, amdgpu_vm_block_size, int, 0444);
 

drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c

@@ -225,9 +225,7 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
 	if (args->in.domain_flags & ~(AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
 				      AMDGPU_GEM_CREATE_NO_CPU_ACCESS |
 				      AMDGPU_GEM_CREATE_CPU_GTT_USWC |
-				      AMDGPU_GEM_CREATE_VRAM_CLEARED|
-				      AMDGPU_GEM_CREATE_SHADOW |
-				      AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS))
+				      AMDGPU_GEM_CREATE_VRAM_CLEARED))
 		return -EINVAL;
 
 	/* reject invalid gem domains */
@@ -623,7 +621,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
 
 	switch (args->operation) {
 	case AMDGPU_VA_OP_MAP:
-		r = amdgpu_vm_alloc_pts(adev, bo_va->vm, args->va_address,
+		r = amdgpu_vm_alloc_pts(adev, bo_va->base.vm, args->va_address,
 					args->map_size);
 		if (r)
 			goto error_backoff;
@@ -643,7 +641,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
 						args->map_size);
 		break;
 	case AMDGPU_VA_OP_REPLACE:
-		r = amdgpu_vm_alloc_pts(adev, bo_va->vm, args->va_address,
+		r = amdgpu_vm_alloc_pts(adev, bo_va->base.vm, args->va_address,
 					args->map_size);
 		if (r)
 			goto error_backoff;

drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c

@@ -28,7 +28,7 @@
 struct amdgpu_gtt_mgr {
 	struct drm_mm mm;
 	spinlock_t lock;
-	uint64_t available;
+	atomic64_t available;
 };
 
 /**
@@ -54,7 +54,7 @@ static int amdgpu_gtt_mgr_init(struct ttm_mem_type_manager *man,
 	size = (adev->mc.gart_size >> PAGE_SHIFT) - start;
 	drm_mm_init(&mgr->mm, start, size);
 	spin_lock_init(&mgr->lock);
-	mgr->available = p_size;
+	atomic64_set(&mgr->available, p_size);
 	man->priv = mgr;
 	return 0;
 }
@@ -153,15 +153,6 @@ int amdgpu_gtt_mgr_alloc(struct ttm_mem_type_manager *man,
 	return r;
 }
 
-void amdgpu_gtt_mgr_print(struct seq_file *m, struct ttm_mem_type_manager *man)
-{
-	struct amdgpu_device *adev = amdgpu_ttm_adev(man->bdev);
-	struct amdgpu_gtt_mgr *mgr = man->priv;
-
-	seq_printf(m, "man size:%llu pages, gtt available:%llu pages, usage:%lluMB\n",
-		   man->size, mgr->available, (u64)atomic64_read(&adev->gtt_usage) >> 20);
-
-}
 /**
  * amdgpu_gtt_mgr_new - allocate a new node
  *
@@ -182,11 +173,11 @@ static int amdgpu_gtt_mgr_new(struct ttm_mem_type_manager *man,
 	int r;
 
 	spin_lock(&mgr->lock);
-	if (mgr->available < mem->num_pages) {
+	if (atomic64_read(&mgr->available) < mem->num_pages) {
 		spin_unlock(&mgr->lock);
 		return 0;
 	}
-	mgr->available -= mem->num_pages;
+	atomic64_sub(mem->num_pages, &mgr->available);
 	spin_unlock(&mgr->lock);
 
 	node = kzalloc(sizeof(*node), GFP_KERNEL);
@@ -213,9 +204,7 @@ static int amdgpu_gtt_mgr_new(struct ttm_mem_type_manager *man,
 
 	return 0;
 err_out:
-	spin_lock(&mgr->lock);
-	mgr->available += mem->num_pages;
-	spin_unlock(&mgr->lock);
+	atomic64_add(mem->num_pages, &mgr->available);
 
 	return r;
 }
@@ -242,30 +231,47 @@ static void amdgpu_gtt_mgr_del(struct ttm_mem_type_manager *man,
 	spin_lock(&mgr->lock);
 	if (node->start != AMDGPU_BO_INVALID_OFFSET)
 		drm_mm_remove_node(node);
-	mgr->available += mem->num_pages;
 	spin_unlock(&mgr->lock);
+	atomic64_add(mem->num_pages, &mgr->available);
 
 	kfree(node);
 	mem->mm_node = NULL;
 }
 
+/**
+ * amdgpu_gtt_mgr_usage - return usage of GTT domain
+ *
+ * @man: TTM memory type manager
+ *
+ * Return how many bytes are used in the GTT domain
+ */
+uint64_t amdgpu_gtt_mgr_usage(struct ttm_mem_type_manager *man)
+{
+	struct amdgpu_gtt_mgr *mgr = man->priv;
+
+	return (u64)(man->size - atomic64_read(&mgr->available)) * PAGE_SIZE;
+}
+
 /**
  * amdgpu_gtt_mgr_debug - dump VRAM table
  *
  * @man: TTM memory type manager
- * @prefix: text prefix
+ * @printer: DRM printer to use
  *
  * Dump the table content using printk.
  */
 static void amdgpu_gtt_mgr_debug(struct ttm_mem_type_manager *man,
-				  const char *prefix)
+				 struct drm_printer *printer)
 {
 	struct amdgpu_gtt_mgr *mgr = man->priv;
-	struct drm_printer p = drm_debug_printer(prefix);
 
 	spin_lock(&mgr->lock);
-	drm_mm_print(&mgr->mm, &p);
+	drm_mm_print(&mgr->mm, printer);
 	spin_unlock(&mgr->lock);
+
+	drm_printf(printer, "man size:%llu pages, gtt available:%llu pages, usage:%lluMB\n",
+		   man->size, (u64)atomic64_read(&mgr->available),
+		   amdgpu_gtt_mgr_usage(man) >> 20);
 }
 
 const struct ttm_mem_type_manager_func amdgpu_gtt_mgr_func = {

drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c

@@ -455,13 +455,13 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 	case AMDGPU_INFO_VRAM_USAGE:
-		ui64 = atomic64_read(&adev->vram_usage);
+		ui64 = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 	case AMDGPU_INFO_VIS_VRAM_USAGE:
-		ui64 = atomic64_read(&adev->vram_vis_usage);
+		ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 	case AMDGPU_INFO_GTT_USAGE:
-		ui64 = atomic64_read(&adev->gtt_usage);
+		ui64 = amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 	case AMDGPU_INFO_GDS_CONFIG: {
 		struct drm_amdgpu_info_gds gds_info;
@@ -497,7 +497,8 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 		mem.vram.total_heap_size = adev->mc.real_vram_size;
 		mem.vram.usable_heap_size =
 			adev->mc.real_vram_size - adev->vram_pin_size;
-		mem.vram.heap_usage = atomic64_read(&adev->vram_usage);
+		mem.vram.heap_usage =
+			amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
 
 		mem.cpu_accessible_vram.total_heap_size =
@@ -506,7 +507,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 			adev->mc.visible_vram_size -
 			(adev->vram_pin_size - adev->invisible_pin_size);
 		mem.cpu_accessible_vram.heap_usage =
-			atomic64_read(&adev->vram_vis_usage);
+			amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
 		mem.cpu_accessible_vram.max_allocation =
 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
 
@@ -514,7 +515,8 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 		mem.gtt.total_heap_size *= PAGE_SIZE;
 		mem.gtt.usable_heap_size = mem.gtt.total_heap_size
 			- adev->gart_pin_size;
-		mem.gtt.heap_usage = atomic64_read(&adev->gtt_usage);
+		mem.gtt.heap_usage =
+			amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
 
 		return copy_to_user(out, &mem,
@@ -588,11 +590,8 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 		dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
 		dev_info.virtual_address_max = (uint64_t)adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
 		dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
-		dev_info.pte_fragment_size =
-			(1 << AMDGPU_LOG2_PAGES_PER_FRAG(adev)) *
-			AMDGPU_GPU_PAGE_SIZE;
+		dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
 		dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
-
 		dev_info.cu_active_number = adev->gfx.cu_info.number;
 		dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
 		dev_info.ce_ram_size = adev->gfx.ce_ram_size;
@@ -841,7 +840,7 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
 	}
 
 	if (amdgpu_sriov_vf(adev)) {
-		r = amdgpu_map_static_csa(adev, &fpriv->vm);
+		r = amdgpu_map_static_csa(adev, &fpriv->vm, &fpriv->csa_va);
 		if (r)
 			goto out_suspend;
 	}
@@ -894,8 +893,8 @@ void amdgpu_driver_postclose_kms(struct drm_device *dev,
 	if (amdgpu_sriov_vf(adev)) {
 		/* TODO: how to handle reserve failure */
 		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
-		amdgpu_vm_bo_rmv(adev, fpriv->vm.csa_bo_va);
-		fpriv->vm.csa_bo_va = NULL;
+		amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
+		fpriv->csa_va = NULL;
 		amdgpu_bo_unreserve(adev->virt.csa_obj);
 	}
 

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

@@ -37,55 +37,6 @@
 #include "amdgpu.h"
 #include "amdgpu_trace.h"
 
-
-
-static u64 amdgpu_get_vis_part_size(struct amdgpu_device *adev,
-						struct ttm_mem_reg *mem)
-{
-	if (mem->start << PAGE_SHIFT >= adev->mc.visible_vram_size)
-		return 0;
-
-	return ((mem->start << PAGE_SHIFT) + mem->size) >
-		adev->mc.visible_vram_size ?
-		adev->mc.visible_vram_size - (mem->start << PAGE_SHIFT) :
-		mem->size;
-}
-
-static void amdgpu_update_memory_usage(struct amdgpu_device *adev,
-		       struct ttm_mem_reg *old_mem,
-		       struct ttm_mem_reg *new_mem)
-{
-	u64 vis_size;
-	if (!adev)
-		return;
-
-	if (new_mem) {
-		switch (new_mem->mem_type) {
-		case TTM_PL_TT:
-			atomic64_add(new_mem->size, &adev->gtt_usage);
-			break;
-		case TTM_PL_VRAM:
-			atomic64_add(new_mem->size, &adev->vram_usage);
-			vis_size = amdgpu_get_vis_part_size(adev, new_mem);
-			atomic64_add(vis_size, &adev->vram_vis_usage);
-			break;
-		}
-	}
-
-	if (old_mem) {
-		switch (old_mem->mem_type) {
-		case TTM_PL_TT:
-			atomic64_sub(old_mem->size, &adev->gtt_usage);
-			break;
-		case TTM_PL_VRAM:
-			atomic64_sub(old_mem->size, &adev->vram_usage);
-			vis_size = amdgpu_get_vis_part_size(adev, old_mem);
-			atomic64_sub(vis_size, &adev->vram_vis_usage);
-			break;
-		}
-	}
-}
-
 static void amdgpu_ttm_bo_destroy(struct ttm_buffer_object *tbo)
 {
 	struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev);
@@ -94,7 +45,6 @@ static void amdgpu_ttm_bo_destroy(struct ttm_buffer_object *tbo)
 	bo = container_of(tbo, struct amdgpu_bo, tbo);
 
 	amdgpu_bo_kunmap(bo);
-	amdgpu_update_memory_usage(adev, &bo->tbo.mem, NULL);
 
 	drm_gem_object_release(&bo->gem_base);
 	amdgpu_bo_unref(&bo->parent);
@@ -992,8 +942,6 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
 		return;
 
 	/* move_notify is called before move happens */
-	amdgpu_update_memory_usage(adev, &bo->mem, new_mem);
-
 	trace_amdgpu_ttm_bo_move(abo, new_mem->mem_type, old_mem->mem_type);
 }
 

drivers/gpu/drm/amd/amdgpu/amdgpu_object.h

@@ -33,6 +33,7 @@
 
 #define AMDGPU_BO_INVALID_OFFSET	LONG_MAX
 
+/* bo virtual addresses in a vm */
 struct amdgpu_bo_va_mapping {
 	struct list_head		list;
 	struct rb_node			rb;
@@ -43,26 +44,19 @@ struct amdgpu_bo_va_mapping {
 	uint64_t			flags;
 };
 
-/* bo virtual addresses in a specific vm */
+/* User space allocated BO in a VM */
 struct amdgpu_bo_va {
+	struct amdgpu_vm_bo_base	base;
+
 	/* protected by bo being reserved */
-	struct list_head		bo_list;
 	struct dma_fence	        *last_pt_update;
 	unsigned			ref_count;
 
-	/* protected by vm mutex and spinlock */
-	struct list_head		vm_status;
-
 	/* mappings for this bo_va */
 	struct list_head		invalids;
 	struct list_head		valids;
-
-	/* constant after initialization */
-	struct amdgpu_vm		*vm;
-	struct amdgpu_bo		*bo;
 };
 
-
 struct amdgpu_bo {
 	/* Protected by tbo.reserved */
 	u32				preferred_domains;

drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c

@@ -244,6 +244,12 @@ struct dma_fence *amdgpu_sync_peek_fence(struct amdgpu_sync *sync,
 		struct dma_fence *f = e->fence;
 		struct amd_sched_fence *s_fence = to_amd_sched_fence(f);
 
+		if (dma_fence_is_signaled(f)) {
+			hash_del(&e->node);
+			dma_fence_put(f);
+			kmem_cache_free(amdgpu_sync_slab, e);
+			continue;
+		}
 		if (ring && s_fence) {
 			/* For fences from the same ring it is sufficient
 			 * when they are scheduled.
@@ -256,13 +262,6 @@ struct dma_fence *amdgpu_sync_peek_fence(struct amdgpu_sync *sync,
 			}
 		}
 
-		if (dma_fence_is_signaled(f)) {
-			hash_del(&e->node);
-			dma_fence_put(f);
-			kmem_cache_free(amdgpu_sync_slab, e);
-			continue;
-		}
-
 		return f;
 	}
 

drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h

@@ -14,6 +14,62 @@
 #define AMDGPU_JOB_GET_TIMELINE_NAME(job) \
 	 job->base.s_fence->finished.ops->get_timeline_name(&job->base.s_fence->finished)
 
+TRACE_EVENT(amdgpu_ttm_tt_populate,
+	    TP_PROTO(struct amdgpu_device *adev, uint64_t dma_address, uint64_t phys_address),
+	    TP_ARGS(adev, dma_address, phys_address),
+	    TP_STRUCT__entry(
+				__field(uint16_t, domain)
+				__field(uint8_t, bus)
+				__field(uint8_t, slot)
+				__field(uint8_t, func)
+				__field(uint64_t, dma)
+				__field(uint64_t, phys)
+			    ),
+	    TP_fast_assign(
+			   __entry->domain = pci_domain_nr(adev->pdev->bus);
+			   __entry->bus = adev->pdev->bus->number;
+			   __entry->slot = PCI_SLOT(adev->pdev->devfn);
+			   __entry->func = PCI_FUNC(adev->pdev->devfn);
+			   __entry->dma = dma_address;
+			   __entry->phys = phys_address;
+			   ),
+	    TP_printk("%04x:%02x:%02x.%x: 0x%llx => 0x%llx",
+		      (unsigned)__entry->domain,
+		      (unsigned)__entry->bus,
+		      (unsigned)__entry->slot,
+		      (unsigned)__entry->func,
+		      (unsigned long long)__entry->dma,
+		      (unsigned long long)__entry->phys)
+);
+
+TRACE_EVENT(amdgpu_ttm_tt_unpopulate,
+	    TP_PROTO(struct amdgpu_device *adev, uint64_t dma_address, uint64_t phys_address),
+	    TP_ARGS(adev, dma_address, phys_address),
+	    TP_STRUCT__entry(
+				__field(uint16_t, domain)
+				__field(uint8_t, bus)
+				__field(uint8_t, slot)
+				__field(uint8_t, func)
+				__field(uint64_t, dma)
+				__field(uint64_t, phys)
+			    ),
+	    TP_fast_assign(
+			   __entry->domain = pci_domain_nr(adev->pdev->bus);
+			   __entry->bus = adev->pdev->bus->number;
+			   __entry->slot = PCI_SLOT(adev->pdev->devfn);
+			   __entry->func = PCI_FUNC(adev->pdev->devfn);
+			   __entry->dma = dma_address;
+			   __entry->phys = phys_address;
+			   ),
+	    TP_printk("%04x:%02x:%02x.%x: 0x%llx => 0x%llx",
+		      (unsigned)__entry->domain,
+		      (unsigned)__entry->bus,
+		      (unsigned)__entry->slot,
+		      (unsigned)__entry->func,
+		      (unsigned long long)__entry->dma,
+		      (unsigned long long)__entry->phys)
+);
+
 TRACE_EVENT(amdgpu_mm_rreg,
 	    TP_PROTO(unsigned did, uint32_t reg, uint32_t value),
 	    TP_ARGS(did, reg, value),
@@ -228,7 +284,7 @@ TRACE_EVENT(amdgpu_vm_bo_map,
 			     ),
 
 	    TP_fast_assign(
-			   __entry->bo = bo_va ? bo_va->bo : NULL;
+			   __entry->bo = bo_va ? bo_va->base.bo : NULL;
 			   __entry->start = mapping->start;
 			   __entry->last = mapping->last;
 			   __entry->offset = mapping->offset;
@@ -252,7 +308,7 @@ TRACE_EVENT(amdgpu_vm_bo_unmap,
 			     ),
 
 	    TP_fast_assign(
-			   __entry->bo = bo_va->bo;
+			   __entry->bo = bo_va->base.bo;
 			   __entry->start = mapping->start;
 			   __entry->last = mapping->last;
 			   __entry->offset = mapping->offset;

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

@@ -43,6 +43,7 @@
 #include <linux/pagemap.h>
 #include <linux/debugfs.h>
 #include "amdgpu.h"
+#include "amdgpu_trace.h"
 #include "bif/bif_4_1_d.h"
 
 #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
@@ -662,6 +663,38 @@ release_pages:
 	return r;
 }
 
+static void amdgpu_trace_dma_map(struct ttm_tt *ttm)
+{
+	struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev);
+	struct amdgpu_ttm_tt *gtt = (void *)ttm;
+	unsigned i;
+
+	if (unlikely(trace_amdgpu_ttm_tt_populate_enabled())) {
+		for (i = 0; i < ttm->num_pages; i++) {
+			trace_amdgpu_ttm_tt_populate(
+				adev,
+				gtt->ttm.dma_address[i],
+				page_to_phys(ttm->pages[i]));
+		}
+	}
+}
+
+static void amdgpu_trace_dma_unmap(struct ttm_tt *ttm)
+{
+	struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev);
+	struct amdgpu_ttm_tt *gtt = (void *)ttm;
+	unsigned i;
+
+	if (unlikely(trace_amdgpu_ttm_tt_unpopulate_enabled())) {
+		for (i = 0; i < ttm->num_pages; i++) {
+			trace_amdgpu_ttm_tt_unpopulate(
+				adev,
+				gtt->ttm.dma_address[i],
+				page_to_phys(ttm->pages[i]));
+		}
+	}
+}
+
 /* prepare the sg table with the user pages */
 static int amdgpu_ttm_tt_pin_userptr(struct ttm_tt *ttm)
 {
@@ -688,6 +721,8 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_tt *ttm)
 	drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,
 					 gtt->ttm.dma_address, ttm->num_pages);
 
+	amdgpu_trace_dma_map(ttm);
+
 	return 0;
 
 release_sg:
@@ -721,6 +756,8 @@ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_tt *ttm)
 		put_page(page);
 	}
 
+	amdgpu_trace_dma_unmap(ttm);
+
 	sg_free_table(ttm->sg);
 }
 
@@ -892,7 +929,7 @@ static struct ttm_tt *amdgpu_ttm_tt_create(struct ttm_bo_device *bdev,
 
 static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm)
 {
-	struct amdgpu_device *adev;
+	struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev);
 	struct amdgpu_ttm_tt *gtt = (void *)ttm;
 	unsigned i;
 	int r;
@@ -915,14 +952,14 @@ static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm)
 		drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,
 						 gtt->ttm.dma_address, ttm->num_pages);
 		ttm->state = tt_unbound;
-		return 0;
+		r = 0;
+		goto trace_mappings;
 	}
 
-	adev = amdgpu_ttm_adev(ttm->bdev);
-
 #ifdef CONFIG_SWIOTLB
 	if (swiotlb_nr_tbl()) {
-		return ttm_dma_populate(&gtt->ttm, adev->dev);
+		r = ttm_dma_populate(&gtt->ttm, adev->dev);
+		goto trace_mappings;
 	}
 #endif
 
@@ -945,7 +982,12 @@ static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm)
 			return -EFAULT;
 		}
 	}
-	return 0;
+
+	r = 0;
+trace_mappings:
+	if (likely(!r))
+		amdgpu_trace_dma_map(ttm);
+	return r;
 }
 
 static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm)
@@ -966,6 +1008,8 @@ static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm)
 
 	adev = amdgpu_ttm_adev(ttm->bdev);
 
+	amdgpu_trace_dma_unmap(ttm);
+
 #ifdef CONFIG_SWIOTLB
 	if (swiotlb_nr_tbl()) {
 		ttm_dma_unpopulate(&gtt->ttm, adev->dev);
@@ -1597,32 +1641,16 @@ error_free:
 
 #if defined(CONFIG_DEBUG_FS)
 
-extern void amdgpu_gtt_mgr_print(struct seq_file *m, struct ttm_mem_type_manager
-				 *man);
 static int amdgpu_mm_dump_table(struct seq_file *m, void *data)
 {
 	struct drm_info_node *node = (struct drm_info_node *)m->private;
 	unsigned ttm_pl = *(int *)node->info_ent->data;
 	struct drm_device *dev = node->minor->dev;
 	struct amdgpu_device *adev = dev->dev_private;
-	struct drm_mm *mm = (struct drm_mm *)adev->mman.bdev.man[ttm_pl].priv;
-	struct ttm_bo_global *glob = adev->mman.bdev.glob;
+	struct ttm_mem_type_manager *man = &adev->mman.bdev.man[ttm_pl];
 	struct drm_printer p = drm_seq_file_printer(m);
 
-	spin_lock(&glob->lru_lock);
-	drm_mm_print(mm, &p);
-	spin_unlock(&glob->lru_lock);
-	switch (ttm_pl) {
-	case TTM_PL_VRAM:
-		seq_printf(m, "man size:%llu pages, ram usage:%lluMB, vis usage:%lluMB\n",
-			   adev->mman.bdev.man[ttm_pl].size,
-			   (u64)atomic64_read(&adev->vram_usage) >> 20,
-			   (u64)atomic64_read(&adev->vram_vis_usage) >> 20);
-		break;
-	case TTM_PL_TT:
-		amdgpu_gtt_mgr_print(m, &adev->mman.bdev.man[TTM_PL_TT]);
-		break;
-	}
+	man->func->debug(man, &p);
 	return 0;
 }
 

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h

@@ -66,6 +66,10 @@ int amdgpu_gtt_mgr_alloc(struct ttm_mem_type_manager *man,
 			 struct ttm_buffer_object *tbo,
 			 const struct ttm_place *place,
 			 struct ttm_mem_reg *mem);
+uint64_t amdgpu_gtt_mgr_usage(struct ttm_mem_type_manager *man);
+
+uint64_t amdgpu_vram_mgr_usage(struct ttm_mem_type_manager *man);
+uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_mem_type_manager *man);
 
 int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
 		       uint64_t dst_offset, uint32_t byte_count,

drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c

@@ -588,6 +588,10 @@ static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, uint32_t *msg,
 		}
 		break;
 
+	case 8: /* MJPEG */
+		min_dpb_size = 0;
+		break;
+
 	case 16: /* H265 */
 		image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
 		image_size = ALIGN(image_size, 256);

drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c

@@ -46,14 +46,14 @@ int amdgpu_allocate_static_csa(struct amdgpu_device *adev)
  * address within META_DATA init package to support SRIOV gfx preemption.
  */
 
-int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm)
+int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+			  struct amdgpu_bo_va **bo_va)
 {
-	int r;
-	struct amdgpu_bo_va *bo_va;
 	struct ww_acquire_ctx ticket;
 	struct list_head list;
 	struct amdgpu_bo_list_entry pd;
 	struct ttm_validate_buffer csa_tv;
+	int r;
 
 	INIT_LIST_HEAD(&list);
 	INIT_LIST_HEAD(&csa_tv.head);
@@ -69,34 +69,33 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm)
 		return r;
 	}
 
-	bo_va = amdgpu_vm_bo_add(adev, vm, adev->virt.csa_obj);
-	if (!bo_va) {
+	*bo_va = amdgpu_vm_bo_add(adev, vm, adev->virt.csa_obj);
+	if (!*bo_va) {
 		ttm_eu_backoff_reservation(&ticket, &list);
 		DRM_ERROR("failed to create bo_va for static CSA\n");
 		return -ENOMEM;
 	}
 
-	r = amdgpu_vm_alloc_pts(adev, bo_va->vm, AMDGPU_CSA_VADDR,
-				   AMDGPU_CSA_SIZE);
+	r = amdgpu_vm_alloc_pts(adev, (*bo_va)->base.vm, AMDGPU_CSA_VADDR,
+				AMDGPU_CSA_SIZE);
 	if (r) {
 		DRM_ERROR("failed to allocate pts for static CSA, err=%d\n", r);
-		amdgpu_vm_bo_rmv(adev, bo_va);
+		amdgpu_vm_bo_rmv(adev, *bo_va);
 		ttm_eu_backoff_reservation(&ticket, &list);
 		return r;
 	}
 
-	r = amdgpu_vm_bo_map(adev, bo_va, AMDGPU_CSA_VADDR, 0,AMDGPU_CSA_SIZE,
-						AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE |
-						AMDGPU_PTE_EXECUTABLE);
+	r = amdgpu_vm_bo_map(adev, *bo_va, AMDGPU_CSA_VADDR, 0, AMDGPU_CSA_SIZE,
+			     AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE |
+			     AMDGPU_PTE_EXECUTABLE);
 
 	if (r) {
 		DRM_ERROR("failed to do bo_map on static CSA, err=%d\n", r);
-		amdgpu_vm_bo_rmv(adev, bo_va);
+		amdgpu_vm_bo_rmv(adev, *bo_va);
 		ttm_eu_backoff_reservation(&ticket, &list);
 		return r;
 	}
 
-	vm->csa_bo_va = bo_va;
 	ttm_eu_backoff_reservation(&ticket, &list);
 	return 0;
 }

drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h

@@ -90,7 +90,8 @@ static inline bool is_virtual_machine(void)
 
 struct amdgpu_vm;
 int amdgpu_allocate_static_csa(struct amdgpu_device *adev);
-int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm);
+int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+			  struct amdgpu_bo_va **bo_va);
 void amdgpu_virt_init_setting(struct amdgpu_device *adev);
 uint32_t amdgpu_virt_kiq_rreg(struct amdgpu_device *adev, uint32_t reg);
 void amdgpu_virt_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

@@ -159,11 +159,20 @@ void amdgpu_vm_get_pd_bo(struct amdgpu_vm *vm,
  */
 static int amdgpu_vm_validate_level(struct amdgpu_vm_pt *parent,
 				    int (*validate)(void *, struct amdgpu_bo *),
-				    void *param, bool use_cpu_for_update)
+				    void *param, bool use_cpu_for_update,
+				    struct ttm_bo_global *glob)
 {
 	unsigned i;
 	int r;
 
+	if (parent->bo->shadow) {
+		struct amdgpu_bo *shadow = parent->bo->shadow;
+
+		r = amdgpu_ttm_bind(&shadow->tbo, &shadow->tbo.mem);
+		if (r)
+			return r;
+	}
+
 	if (use_cpu_for_update) {
 		r = amdgpu_bo_kmap(parent->bo, NULL);
 		if (r)
@@ -183,12 +192,18 @@ static int amdgpu_vm_validate_level(struct amdgpu_vm_pt *parent,
 		if (r)
 			return r;
 
+		spin_lock(&glob->lru_lock);
+		ttm_bo_move_to_lru_tail(&entry->bo->tbo);
+		if (entry->bo->shadow)
+			ttm_bo_move_to_lru_tail(&entry->bo->shadow->tbo);
+		spin_unlock(&glob->lru_lock);
+
 		/*
 		 * Recurse into the sub directory. This is harmless because we
 		 * have only a maximum of 5 layers.
 		 */
 		r = amdgpu_vm_validate_level(entry, validate, param,
-					     use_cpu_for_update);
+					     use_cpu_for_update, glob);
 		if (r)
 			return r;
 	}
@@ -220,54 +235,11 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 		return 0;
 
 	return amdgpu_vm_validate_level(&vm->root, validate, param,
-					vm->use_cpu_for_update);
+					vm->use_cpu_for_update,
+					adev->mman.bdev.glob);
 }
 
 /**
- * amdgpu_vm_move_level_in_lru - move one level of PT BOs to the LRU tail
- *
- * @adev: amdgpu device instance
- * @vm: vm providing the BOs
- *
- * Move the PT BOs to the tail of the LRU.
- */
-static void amdgpu_vm_move_level_in_lru(struct amdgpu_vm_pt *parent)
-{
-	unsigned i;
-
-	if (!parent->entries)
-		return;
-
-	for (i = 0; i <= parent->last_entry_used; ++i) {
-		struct amdgpu_vm_pt *entry = &parent->entries[i];
-
-		if (!entry->bo)
-			continue;
-
-		ttm_bo_move_to_lru_tail(&entry->bo->tbo);
-		amdgpu_vm_move_level_in_lru(entry);
-	}
-}
-
-/**
- * amdgpu_vm_move_pt_bos_in_lru - move the PT BOs to the LRU tail
- *
- * @adev: amdgpu device instance
- * @vm: vm providing the BOs
- *
- * Move the PT BOs to the tail of the LRU.
- */
-void amdgpu_vm_move_pt_bos_in_lru(struct amdgpu_device *adev,
-				  struct amdgpu_vm *vm)
-{
-	struct ttm_bo_global *glob = adev->mman.bdev.glob;
-
-	spin_lock(&glob->lru_lock);
-	amdgpu_vm_move_level_in_lru(&vm->root);
-	spin_unlock(&glob->lru_lock);
-}
-
- /**
  * amdgpu_vm_alloc_levels - allocate the PD/PT levels
  *
  * @adev: amdgpu_device pointer
@@ -359,7 +331,6 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
 
 			entry->bo = pt;
 			entry->addr = 0;
-			entry->huge_page = false;
 		}
 
 		if (level < adev->vm_manager.num_level) {
@@ -899,8 +870,8 @@ struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm,
 {
 	struct amdgpu_bo_va *bo_va;
 
-	list_for_each_entry(bo_va, &bo->va, bo_list) {
-		if (bo_va->vm == vm) {
+	list_for_each_entry(bo_va, &bo->va, base.bo_list) {
+		if (bo_va->base.vm == vm) {
 			return bo_va;
 		}
 	}
@@ -1074,11 +1045,6 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev,
 
 		params.func = amdgpu_vm_cpu_set_ptes;
 	} else {
-		if (shadow) {
-			r = amdgpu_ttm_bind(&shadow->tbo, &shadow->tbo.mem);
-			if (r)
-				return r;
-		}
 		ring = container_of(vm->entity.sched, struct amdgpu_ring,
 				    sched);
 
@@ -1114,22 +1080,14 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev,
 		if (bo == NULL)
 			continue;
 
-		if (bo->shadow) {
-			struct amdgpu_bo *pt_shadow = bo->shadow;
-
-			r = amdgpu_ttm_bind(&pt_shadow->tbo,
-					    &pt_shadow->tbo.mem);
-			if (r)
-				return r;
-		}
-
 		pt = amdgpu_bo_gpu_offset(bo);
 		pt = amdgpu_gart_get_vm_pde(adev, pt);
-		if (parent->entries[pt_idx].addr == pt ||
-		    parent->entries[pt_idx].huge_page)
+		/* Don't update huge pages here */
+		if ((parent->entries[pt_idx].addr & AMDGPU_PDE_PTE) ||
+		    parent->entries[pt_idx].addr == (pt | AMDGPU_PTE_VALID))
 			continue;
 
-		parent->entries[pt_idx].addr = pt;
+		parent->entries[pt_idx].addr = pt | AMDGPU_PTE_VALID;
 
 		pde = pd_addr + pt_idx * 8;
 		if (((last_pde + 8 * count) != pde) ||
@@ -1307,15 +1265,14 @@ void amdgpu_vm_get_entry(struct amdgpu_pte_update_params *p, uint64_t addr,
  *
  * Check if we can update the PD with a huge page.
  */
-static int amdgpu_vm_handle_huge_pages(struct amdgpu_pte_update_params *p,
-				       struct amdgpu_vm_pt *entry,
-				       struct amdgpu_vm_pt *parent,
-				       unsigned nptes, uint64_t dst,
-				       uint64_t flags)
+static void amdgpu_vm_handle_huge_pages(struct amdgpu_pte_update_params *p,
+					struct amdgpu_vm_pt *entry,
+					struct amdgpu_vm_pt *parent,
+					unsigned nptes, uint64_t dst,
+					uint64_t flags)
 {
 	bool use_cpu_update = (p->func == amdgpu_vm_cpu_set_ptes);
 	uint64_t pd_addr, pde;
-	int r;
 
 	/* In the case of a mixed PT the PDE must point to it*/
 	if (p->adev->asic_type < CHIP_VEGA10 ||
@@ -1327,21 +1284,17 @@ static int amdgpu_vm_handle_huge_pages(struct amdgpu_pte_update_params *p,
 		dst = amdgpu_gart_get_vm_pde(p->adev, dst);
 		flags = AMDGPU_PTE_VALID;
 	} else {
+		/* Set the huge page flag to stop scanning at this PDE */
 		flags |= AMDGPU_PDE_PTE;
 	}
 
-	if (entry->addr == dst &&
-	    entry->huge_page == !!(flags & AMDGPU_PDE_PTE))
-		return 0;
+	if (entry->addr == (dst | flags))
+		return;
 
-	entry->addr = dst;
-	entry->huge_page = !!(flags & AMDGPU_PDE_PTE);
+	entry->addr = (dst | flags);
 
 	if (use_cpu_update) {
-		r = amdgpu_bo_kmap(parent->bo, (void *)&pd_addr);
-		if (r)
-			return r;
-
+		pd_addr = (unsigned long)amdgpu_bo_kptr(parent->bo);
 		pde = pd_addr + (entry - parent->entries) * 8;
 		amdgpu_vm_cpu_set_ptes(p, pde, dst, 1, 0, flags);
 	} else {
@@ -1354,8 +1307,6 @@ static int amdgpu_vm_handle_huge_pages(struct amdgpu_pte_update_params *p,
 		pde = pd_addr + (entry - parent->entries) * 8;
 		amdgpu_vm_do_set_ptes(p, pde, dst, 1, 0, flags);
 	}
-
-	return 0;
 }
 
 /**
@@ -1382,7 +1333,6 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params,
 	struct amdgpu_bo *pt;
 	unsigned nptes;
 	bool use_cpu_update = (params->func == amdgpu_vm_cpu_set_ptes);
-	int r;
 
 	/* walk over the address space and update the page tables */
 	for (addr = start; addr < end; addr += nptes,
@@ -1398,12 +1348,10 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params,
 		else
 			nptes = AMDGPU_VM_PTE_COUNT(adev) - (addr & mask);
 
-		r = amdgpu_vm_handle_huge_pages(params, entry, parent,
-						nptes, dst, flags);
-		if (r)
-			return r;
-
-		if (entry->huge_page)
+		amdgpu_vm_handle_huge_pages(params, entry, parent,
+					    nptes, dst, flags);
+		/* We don't need to update PTEs for huge pages */
+		if (entry->addr & AMDGPU_PDE_PTE)
 			continue;
 
 		pt = entry->bo;
@@ -1462,9 +1410,7 @@ static int amdgpu_vm_frag_ptes(struct amdgpu_pte_update_params	*params,
 	 * Userspace can support this by aligning virtual base address and
 	 * allocation size to the fragment size.
 	 */
-
-	/* SI and newer are optimized for 64KB */
-	unsigned pages_per_frag = AMDGPU_LOG2_PAGES_PER_FRAG(params->adev);
+	unsigned pages_per_frag = params->adev->vm_manager.fragment_size;
 	uint64_t frag_flags = AMDGPU_PTE_FRAG(pages_per_frag);
 	uint64_t frag_align = 1 << pages_per_frag;
 
@@ -1778,7 +1724,8 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
 			struct amdgpu_bo_va *bo_va,
 			bool clear)
 {
-	struct amdgpu_vm *vm = bo_va->vm;
+	struct amdgpu_bo *bo = bo_va->base.bo;
+	struct amdgpu_vm *vm = bo_va->base.vm;
 	struct amdgpu_bo_va_mapping *mapping;
 	dma_addr_t *pages_addr = NULL;
 	uint64_t gtt_flags, flags;
@@ -1787,27 +1734,27 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
 	struct dma_fence *exclusive;
 	int r;
 
-	if (clear || !bo_va->bo) {
+	if (clear || !bo_va->base.bo) {
 		mem = NULL;
 		nodes = NULL;
 		exclusive = NULL;
 	} else {
 		struct ttm_dma_tt *ttm;
 
-		mem = &bo_va->bo->tbo.mem;
+		mem = &bo_va->base.bo->tbo.mem;
 		nodes = mem->mm_node;
 		if (mem->mem_type == TTM_PL_TT) {
-			ttm = container_of(bo_va->bo->tbo.ttm, struct
-					   ttm_dma_tt, ttm);
+			ttm = container_of(bo_va->base.bo->tbo.ttm,
+					   struct ttm_dma_tt, ttm);
 			pages_addr = ttm->dma_address;
 		}
-		exclusive = reservation_object_get_excl(bo_va->bo->tbo.resv);
+		exclusive = reservation_object_get_excl(bo->tbo.resv);
 	}
 
-	if (bo_va->bo) {
-		flags = amdgpu_ttm_tt_pte_flags(adev, bo_va->bo->tbo.ttm, mem);
-		gtt_flags = (amdgpu_ttm_is_bound(bo_va->bo->tbo.ttm) &&
-			adev == amdgpu_ttm_adev(bo_va->bo->tbo.bdev)) ?
+	if (bo) {
+		flags = amdgpu_ttm_tt_pte_flags(adev, bo->tbo.ttm, mem);
+		gtt_flags = (amdgpu_ttm_is_bound(bo->tbo.ttm) &&
+			adev == amdgpu_ttm_adev(bo->tbo.bdev)) ?
 			flags : 0;
 	} else {
 		flags = 0x0;
@@ -1815,7 +1762,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
 	}
 
 	spin_lock(&vm->status_lock);
-	if (!list_empty(&bo_va->vm_status))
+	if (!list_empty(&bo_va->base.vm_status))
 		list_splice_init(&bo_va->valids, &bo_va->invalids);
 	spin_unlock(&vm->status_lock);
 
@@ -1838,9 +1785,9 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
 
 	spin_lock(&vm->status_lock);
 	list_splice_init(&bo_va->invalids, &bo_va->valids);
-	list_del_init(&bo_va->vm_status);
+	list_del_init(&bo_va->base.vm_status);
 	if (clear)
-		list_add(&bo_va->vm_status, &vm->cleared);
+		list_add(&bo_va->base.vm_status, &vm->cleared);
 	spin_unlock(&vm->status_lock);
 
 	if (vm->use_cpu_for_update) {
@@ -2034,26 +1981,26 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
 }
 
 /**
- * amdgpu_vm_clear_invalids - clear invalidated BOs in the PT
+ * amdgpu_vm_clear_moved - clear moved BOs in the PT
  *
  * @adev: amdgpu_device pointer
  * @vm: requested vm
  *
- * Make sure all invalidated BOs are cleared in the PT.
+ * Make sure all moved BOs are cleared in the PT.
  * Returns 0 for success.
  *
  * PTs have to be reserved and mutex must be locked!
  */
-int amdgpu_vm_clear_invalids(struct amdgpu_device *adev,
-			     struct amdgpu_vm *vm, struct amdgpu_sync *sync)
+int amdgpu_vm_clear_moved(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+			    struct amdgpu_sync *sync)
 {
 	struct amdgpu_bo_va *bo_va = NULL;
 	int r = 0;
 
 	spin_lock(&vm->status_lock);
-	while (!list_empty(&vm->invalidated)) {
-		bo_va = list_first_entry(&vm->invalidated,
-			struct amdgpu_bo_va, vm_status);
+	while (!list_empty(&vm->moved)) {
+		bo_va = list_first_entry(&vm->moved,
+			struct amdgpu_bo_va, base.vm_status);
 		spin_unlock(&vm->status_lock);
 
 		r = amdgpu_vm_bo_update(adev, bo_va, true);
@@ -2093,16 +2040,17 @@ struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev,
 	if (bo_va == NULL) {
 		return NULL;
 	}
-	bo_va->vm = vm;
-	bo_va->bo = bo;
+	bo_va->base.vm = vm;
+	bo_va->base.bo = bo;
+	INIT_LIST_HEAD(&bo_va->base.bo_list);
+	INIT_LIST_HEAD(&bo_va->base.vm_status);
+
 	bo_va->ref_count = 1;
-	INIT_LIST_HEAD(&bo_va->bo_list);
 	INIT_LIST_HEAD(&bo_va->valids);
 	INIT_LIST_HEAD(&bo_va->invalids);
-	INIT_LIST_HEAD(&bo_va->vm_status);
 
 	if (bo)
-		list_add_tail(&bo_va->bo_list, &bo->va);
+		list_add_tail(&bo_va->base.bo_list, &bo->va);
 
 	return bo_va;
 }
@@ -2127,7 +2075,8 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
 		     uint64_t size, uint64_t flags)
 {
 	struct amdgpu_bo_va_mapping *mapping, *tmp;
-	struct amdgpu_vm *vm = bo_va->vm;
+	struct amdgpu_bo *bo = bo_va->base.bo;
+	struct amdgpu_vm *vm = bo_va->base.vm;
 	uint64_t eaddr;
 
 	/* validate the parameters */
@@ -2138,7 +2087,7 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
 	/* make sure object fit at this offset */
 	eaddr = saddr + size - 1;
 	if (saddr >= eaddr ||
-	    (bo_va->bo && offset + size > amdgpu_bo_size(bo_va->bo)))
+	    (bo && offset + size > amdgpu_bo_size(bo)))
 		return -EINVAL;
 
 	saddr /= AMDGPU_GPU_PAGE_SIZE;
@@ -2148,7 +2097,7 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
 	if (tmp) {
 		/* bo and tmp overlap, invalid addr */
 		dev_err(adev->dev, "bo %p va 0x%010Lx-0x%010Lx conflict with "
-			"0x%010Lx-0x%010Lx\n", bo_va->bo, saddr, eaddr,
+			"0x%010Lx-0x%010Lx\n", bo, saddr, eaddr,
 			tmp->start, tmp->last + 1);
 		return -EINVAL;
 	}
@@ -2193,7 +2142,8 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev,
 			     uint64_t size, uint64_t flags)
 {
 	struct amdgpu_bo_va_mapping *mapping;
-	struct amdgpu_vm *vm = bo_va->vm;
+	struct amdgpu_bo *bo = bo_va->base.bo;
+	struct amdgpu_vm *vm = bo_va->base.vm;
 	uint64_t eaddr;
 	int r;
 
@@ -2205,7 +2155,7 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev,
 	/* make sure object fit at this offset */
 	eaddr = saddr + size - 1;
 	if (saddr >= eaddr ||
-	    (bo_va->bo && offset + size > amdgpu_bo_size(bo_va->bo)))
+	    (bo && offset + size > amdgpu_bo_size(bo)))
 		return -EINVAL;
 
 	/* Allocate all the needed memory */
@@ -2213,7 +2163,7 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev,
 	if (!mapping)
 		return -ENOMEM;
 
-	r = amdgpu_vm_bo_clear_mappings(adev, bo_va->vm, saddr, size);
+	r = amdgpu_vm_bo_clear_mappings(adev, bo_va->base.vm, saddr, size);
 	if (r) {
 		kfree(mapping);
 		return r;
@@ -2253,7 +2203,7 @@ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev,
 		       uint64_t saddr)
 {
 	struct amdgpu_bo_va_mapping *mapping;
-	struct amdgpu_vm *vm = bo_va->vm;
+	struct amdgpu_vm *vm = bo_va->base.vm;
 	bool valid = true;
 
 	saddr /= AMDGPU_GPU_PAGE_SIZE;
@@ -2401,12 +2351,12 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
 		      struct amdgpu_bo_va *bo_va)
 {
 	struct amdgpu_bo_va_mapping *mapping, *next;
-	struct amdgpu_vm *vm = bo_va->vm;
+	struct amdgpu_vm *vm = bo_va->base.vm;
 
-	list_del(&bo_va->bo_list);
+	list_del(&bo_va->base.bo_list);
 
 	spin_lock(&vm->status_lock);
-	list_del(&bo_va->vm_status);
+	list_del(&bo_va->base.vm_status);
 	spin_unlock(&vm->status_lock);
 
 	list_for_each_entry_safe(mapping, next, &bo_va->valids, list) {
@@ -2438,13 +2388,14 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
 void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev,
 			     struct amdgpu_bo *bo)
 {
-	struct amdgpu_bo_va *bo_va;
+	struct amdgpu_vm_bo_base *bo_base;
 
-	list_for_each_entry(bo_va, &bo->va, bo_list) {
-		spin_lock(&bo_va->vm->status_lock);
-		if (list_empty(&bo_va->vm_status))
-			list_add(&bo_va->vm_status, &bo_va->vm->invalidated);
-		spin_unlock(&bo_va->vm->status_lock);
+	list_for_each_entry(bo_base, &bo->va, bo_list) {
+		spin_lock(&bo_base->vm->status_lock);
+		if (list_empty(&bo_base->vm_status))
+			list_add(&bo_base->vm_status,
+				 &bo_base->vm->moved);
+		spin_unlock(&bo_base->vm->status_lock);
 	}
 }
 
@@ -2462,12 +2413,26 @@ static uint32_t amdgpu_vm_get_block_size(uint64_t vm_size)
 }
 
 /**
- * amdgpu_vm_adjust_size - adjust vm size and block size
+ * amdgpu_vm_set_fragment_size - adjust fragment size in PTE
+ *
+ * @adev: amdgpu_device pointer
+ * @fragment_size_default: the default fragment size if it's set auto
+ */
+void amdgpu_vm_set_fragment_size(struct amdgpu_device *adev, uint32_t fragment_size_default)
+{
+	if (amdgpu_vm_fragment_size == -1)
+		adev->vm_manager.fragment_size = fragment_size_default;
+	else
+		adev->vm_manager.fragment_size = amdgpu_vm_fragment_size;
+}
+
+/**
+ * amdgpu_vm_adjust_size - adjust vm size, block size and fragment size
  *
  * @adev: amdgpu_device pointer
  * @vm_size: the default vm size if it's set auto
  */
-void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size)
+void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size, uint32_t fragment_size_default)
 {
 	/* adjust vm size firstly */
 	if (amdgpu_vm_size == -1)
@@ -2482,8 +2447,11 @@ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size)
 	else
 		adev->vm_manager.block_size = amdgpu_vm_block_size;
 
-	DRM_INFO("vm size is %llu GB, block size is %u-bit\n",
-		adev->vm_manager.vm_size, adev->vm_manager.block_size);
+	amdgpu_vm_set_fragment_size(adev, fragment_size_default);
+
+	DRM_INFO("vm size is %llu GB, block size is %u-bit, fragment size is %u-bit\n",
+		adev->vm_manager.vm_size, adev->vm_manager.block_size,
+		adev->vm_manager.fragment_size);
 }
 
 /**
@@ -2512,7 +2480,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 	for (i = 0; i < AMDGPU_MAX_VMHUBS; i++)
 		vm->reserved_vmid[i] = NULL;
 	spin_lock_init(&vm->status_lock);
-	INIT_LIST_HEAD(&vm->invalidated);
+	INIT_LIST_HEAD(&vm->moved);
 	INIT_LIST_HEAD(&vm->cleared);
 	INIT_LIST_HEAD(&vm->freed);
 

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h

@@ -50,11 +50,6 @@ struct amdgpu_bo_list_entry;
 /* PTBs (Page Table Blocks) need to be aligned to 32K */
 #define AMDGPU_VM_PTB_ALIGN_SIZE   32768
 
-/* LOG2 number of continuous pages for the fragment field */
-#define AMDGPU_LOG2_PAGES_PER_FRAG(adev) \
-	((adev)->asic_type < CHIP_VEGA10 ? 4 : \
-	 (adev)->vm_manager.block_size)
-
 #define AMDGPU_PTE_VALID	(1ULL << 0)
 #define AMDGPU_PTE_SYSTEM	(1ULL << 1)
 #define AMDGPU_PTE_SNOOPED	(1ULL << 2)
@@ -99,11 +94,22 @@ struct amdgpu_bo_list_entry;
 #define AMDGPU_VM_USE_CPU_FOR_GFX (1 << 0)
 #define AMDGPU_VM_USE_CPU_FOR_COMPUTE (1 << 1)
 
+/* base structure for tracking BO usage in a VM */
+struct amdgpu_vm_bo_base {
+	/* constant after initialization */
+	struct amdgpu_vm		*vm;
+	struct amdgpu_bo		*bo;
+
+	/* protected by bo being reserved */
+	struct list_head		bo_list;
+
+	/* protected by spinlock */
+	struct list_head		vm_status;
+};
 
 struct amdgpu_vm_pt {
 	struct amdgpu_bo	*bo;
 	uint64_t		addr;
-	bool			huge_page;
 
 	/* array of page tables, one for each directory entry */
 	struct amdgpu_vm_pt	*entries;
@@ -118,7 +124,7 @@ struct amdgpu_vm {
 	spinlock_t		status_lock;
 
 	/* BOs moved, but not yet updated in the PT */
-	struct list_head	invalidated;
+	struct list_head	moved;
 
 	/* BOs cleared in the PT because of a move */
 	struct list_head	cleared;
@@ -141,8 +147,6 @@ struct amdgpu_vm {
 	u64                     client_id;
 	/* dedicated to vm */
 	struct amdgpu_vm_id	*reserved_vmid[AMDGPU_MAX_VMHUBS];
-	/* each VM will map on CSA */
-	struct amdgpu_bo_va *csa_bo_va;
 
 	/* Flag to indicate if VM tables are updated by CPU or GPU (SDMA) */
 	bool                    use_cpu_for_update;
@@ -191,6 +195,7 @@ struct amdgpu_vm_manager {
 	uint32_t				num_level;
 	uint64_t				vm_size;
 	uint32_t				block_size;
+	uint32_t				fragment_size;
 	/* vram base address for page table entry  */
 	u64					vram_base_offset;
 	/* vm pte handling */
@@ -223,8 +228,6 @@ void amdgpu_vm_get_pd_bo(struct amdgpu_vm *vm,
 int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 			      int (*callback)(void *p, struct amdgpu_bo *bo),
 			      void *param);
-void amdgpu_vm_move_pt_bos_in_lru(struct amdgpu_device *adev,
-				  struct amdgpu_vm *vm);
 int amdgpu_vm_alloc_pts(struct amdgpu_device *adev,
 			struct amdgpu_vm *vm,
 			uint64_t saddr, uint64_t size);
@@ -240,8 +243,8 @@ int amdgpu_vm_update_directories(struct amdgpu_device *adev,
 int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
 			  struct amdgpu_vm *vm,
 			  struct dma_fence **fence);
-int amdgpu_vm_clear_invalids(struct amdgpu_device *adev, struct amdgpu_vm *vm,
-			     struct amdgpu_sync *sync);
+int amdgpu_vm_clear_moved(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+			  struct amdgpu_sync *sync);
 int amdgpu_vm_bo_update(struct amdgpu_device *adev,
 			struct amdgpu_bo_va *bo_va,
 			bool clear);
@@ -268,7 +271,10 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev,
 				uint64_t saddr, uint64_t size);
 void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
 		      struct amdgpu_bo_va *bo_va);
-void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size);
+void amdgpu_vm_set_fragment_size(struct amdgpu_device *adev,
+				uint32_t fragment_size_default);
+void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size,
+				uint32_t fragment_size_default);
 int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
 bool amdgpu_vm_need_pipeline_sync(struct amdgpu_ring *ring,
 				  struct amdgpu_job *job);

drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c

@@ -28,6 +28,8 @@
 struct amdgpu_vram_mgr {
 	struct drm_mm mm;
 	spinlock_t lock;
+	atomic64_t usage;
+	atomic64_t vis_usage;
 };
 
 /**
@@ -78,6 +80,27 @@ static int amdgpu_vram_mgr_fini(struct ttm_mem_type_manager *man)
 	return 0;
 }
 
+/**
+ * amdgpu_vram_mgr_vis_size - Calculate visible node size
+ *
+ * @adev: amdgpu device structure
+ * @node: MM node structure
+ *
+ * Calculate how many bytes of the MM node are inside visible VRAM
+ */
+static u64 amdgpu_vram_mgr_vis_size(struct amdgpu_device *adev,
+				    struct drm_mm_node *node)
+{
+	uint64_t start = node->start << PAGE_SHIFT;
+	uint64_t end = (node->size + node->start) << PAGE_SHIFT;
+
+	if (start >= adev->mc.visible_vram_size)
+		return 0;
+
+	return (end > adev->mc.visible_vram_size ?
+		adev->mc.visible_vram_size : end) - start;
+}
+
 /**
  * amdgpu_vram_mgr_new - allocate new ranges
  *
@@ -93,11 +116,13 @@ static int amdgpu_vram_mgr_new(struct ttm_mem_type_manager *man,
 			       const struct ttm_place *place,
 			       struct ttm_mem_reg *mem)
 {
+	struct amdgpu_device *adev = amdgpu_ttm_adev(man->bdev);
 	struct amdgpu_vram_mgr *mgr = man->priv;
 	struct drm_mm *mm = &mgr->mm;
 	struct drm_mm_node *nodes;
 	enum drm_mm_insert_mode mode;
 	unsigned long lpfn, num_nodes, pages_per_node, pages_left;
+	uint64_t usage = 0, vis_usage = 0;
 	unsigned i;
 	int r;
 
@@ -142,6 +167,9 @@ static int amdgpu_vram_mgr_new(struct ttm_mem_type_manager *man,
 		if (unlikely(r))
 			goto error;
 
+		usage += nodes[i].size << PAGE_SHIFT;
+		vis_usage += amdgpu_vram_mgr_vis_size(adev, &nodes[i]);
+
 		/* Calculate a virtual BO start address to easily check if
 		 * everything is CPU accessible.
 		 */
@@ -155,6 +183,9 @@ static int amdgpu_vram_mgr_new(struct ttm_mem_type_manager *man,
 	}
 	spin_unlock(&mgr->lock);
 
+	atomic64_add(usage, &mgr->usage);
+	atomic64_add(vis_usage, &mgr->vis_usage);
+
 	mem->mm_node = nodes;
 
 	return 0;
@@ -181,8 +212,10 @@ error:
 static void amdgpu_vram_mgr_del(struct ttm_mem_type_manager *man,
 				struct ttm_mem_reg *mem)
 {
+	struct amdgpu_device *adev = amdgpu_ttm_adev(man->bdev);
 	struct amdgpu_vram_mgr *mgr = man->priv;
 	struct drm_mm_node *nodes = mem->mm_node;
+	uint64_t usage = 0, vis_usage = 0;
 	unsigned pages = mem->num_pages;
 
 	if (!mem->mm_node)
@@ -192,31 +225,67 @@ static void amdgpu_vram_mgr_del(struct ttm_mem_type_manager *man,
 	while (pages) {
 		pages -= nodes->size;
 		drm_mm_remove_node(nodes);
+		usage += nodes->size << PAGE_SHIFT;
+		vis_usage += amdgpu_vram_mgr_vis_size(adev, nodes);
 		++nodes;
 	}
 	spin_unlock(&mgr->lock);
 
+	atomic64_sub(usage, &mgr->usage);
+	atomic64_sub(vis_usage, &mgr->vis_usage);
+
 	kfree(mem->mm_node);
 	mem->mm_node = NULL;
 }
 
+/**
+ * amdgpu_vram_mgr_usage - how many bytes are used in this domain
+ *
+ * @man: TTM memory type manager
+ *
+ * Returns how many bytes are used in this domain.
+ */
+uint64_t amdgpu_vram_mgr_usage(struct ttm_mem_type_manager *man)
+{
+	struct amdgpu_vram_mgr *mgr = man->priv;
+
+	return atomic64_read(&mgr->usage);
+}
+
+/**
+ * amdgpu_vram_mgr_vis_usage - how many bytes are used in the visible part
+ *
+ * @man: TTM memory type manager
+ *
+ * Returns how many bytes are used in the visible part of VRAM
+ */
+uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_mem_type_manager *man)
+{
+	struct amdgpu_vram_mgr *mgr = man->priv;
+
+	return atomic64_read(&mgr->vis_usage);
+}
+
 /**
  * amdgpu_vram_mgr_debug - dump VRAM table
  *
  * @man: TTM memory type manager
- * @prefix: text prefix
+ * @printer: DRM printer to use
  *
  * Dump the table content using printk.
  */
 static void amdgpu_vram_mgr_debug(struct ttm_mem_type_manager *man,
-				  const char *prefix)
+				  struct drm_printer *printer)
 {
 	struct amdgpu_vram_mgr *mgr = man->priv;
-	struct drm_printer p = drm_debug_printer(prefix);
 
 	spin_lock(&mgr->lock);
-	drm_mm_print(&mgr->mm, &p);
+	drm_mm_print(&mgr->mm, printer);
 	spin_unlock(&mgr->lock);
+
+	drm_printf(printer, "man size:%llu pages, ram usage:%lluMB, vis usage:%lluMB\n",
+		   man->size, amdgpu_vram_mgr_usage(man) >> 20,
+		   amdgpu_vram_mgr_vis_usage(man) >> 20);
 }
 
 const struct ttm_mem_type_manager_func amdgpu_vram_mgr_func = {

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

@@ -2157,7 +2157,7 @@ static int gfx_v9_0_cp_gfx_start(struct amdgpu_device *adev)
 	struct amdgpu_ring *ring = &adev->gfx.gfx_ring[0];
 	const struct cs_section_def *sect = NULL;
 	const struct cs_extent_def *ext = NULL;
-	int r, i;
+	int r, i, tmp;
 
 	/* init the CP */
 	WREG32_SOC15(GC, 0, mmCP_MAX_CONTEXT, adev->gfx.config.max_hw_contexts - 1);
@@ -2165,7 +2165,7 @@ static int gfx_v9_0_cp_gfx_start(struct amdgpu_device *adev)
 
 	gfx_v9_0_cp_gfx_enable(adev, true);
 
-	r = amdgpu_ring_alloc(ring, gfx_v9_0_get_csb_size(adev) + 4);
+	r = amdgpu_ring_alloc(ring, gfx_v9_0_get_csb_size(adev) + 4 + 3);
 	if (r) {
 		DRM_ERROR("amdgpu: cp failed to lock ring (%d).\n", r);
 		return r;
@@ -2203,6 +2203,12 @@ static int gfx_v9_0_cp_gfx_start(struct amdgpu_device *adev)
 	amdgpu_ring_write(ring, 0x8000);
 	amdgpu_ring_write(ring, 0x8000);
 
+	amdgpu_ring_write(ring, PACKET3(PACKET3_SET_UCONFIG_REG,1));
+	tmp = (PACKET3_SET_UCONFIG_REG_INDEX_TYPE |
+		(SOC15_REG_OFFSET(GC, 0, mmVGT_INDEX_TYPE) - PACKET3_SET_UCONFIG_REG_START));
+	amdgpu_ring_write(ring, tmp);
+	amdgpu_ring_write(ring, 0);
+
 	amdgpu_ring_commit(ring);
 
 	return 0;

drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c

@@ -124,7 +124,7 @@ static void gfxhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
 
 static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
 {
-	uint32_t tmp;
+	uint32_t tmp, field;
 
 	/* Setup L2 cache */
 	tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL);
@@ -143,9 +143,10 @@ static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
 	WREG32_SOC15(GC, 0, mmVM_L2_CNTL2, tmp);
 
+	field = adev->vm_manager.fragment_size;
 	tmp = mmVM_L2_CNTL3_DEFAULT;
-	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
-	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
 	WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, tmp);
 
 	tmp = mmVM_L2_CNTL4_DEFAULT;

drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c

@@ -461,6 +461,7 @@ static void gmc_v6_0_set_prt(struct amdgpu_device *adev, bool enable)
 static int gmc_v6_0_gart_enable(struct amdgpu_device *adev)
 {
 	int r, i;
+	u32 field;
 
 	if (adev->gart.robj == NULL) {
 		dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
@@ -488,10 +489,12 @@ static int gmc_v6_0_gart_enable(struct amdgpu_device *adev)
 	WREG32(mmVM_L2_CNTL2,
 	       VM_L2_CNTL2__INVALIDATE_ALL_L1_TLBS_MASK |
 	       VM_L2_CNTL2__INVALIDATE_L2_CACHE_MASK);
+
+	field = adev->vm_manager.fragment_size;
 	WREG32(mmVM_L2_CNTL3,
 	       VM_L2_CNTL3__L2_CACHE_BIGK_ASSOCIATIVITY_MASK |
-	       (4UL << VM_L2_CNTL3__BANK_SELECT__SHIFT) |
-	       (4UL << VM_L2_CNTL3__L2_CACHE_BIGK_FRAGMENT_SIZE__SHIFT));
+	       (field << VM_L2_CNTL3__BANK_SELECT__SHIFT) |
+	       (field << VM_L2_CNTL3__L2_CACHE_BIGK_FRAGMENT_SIZE__SHIFT));
 	/* setup context0 */
 	WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->mc.gart_start >> 12);
 	WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->mc.gart_end >> 12);
@@ -811,7 +814,7 @@ static int gmc_v6_0_sw_init(void *handle)
 	if (r)
 		return r;
 
-	amdgpu_vm_adjust_size(adev, 64);
+	amdgpu_vm_adjust_size(adev, 64, 4);
 	adev->vm_manager.max_pfn = adev->vm_manager.vm_size << 18;
 
 	adev->mc.mc_mask = 0xffffffffffULL;

drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c

@@ -562,7 +562,7 @@ static void gmc_v7_0_set_prt(struct amdgpu_device *adev, bool enable)
 static int gmc_v7_0_gart_enable(struct amdgpu_device *adev)
 {
 	int r, i;
-	u32 tmp;
+	u32 tmp, field;
 
 	if (adev->gart.robj == NULL) {
 		dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
@@ -592,10 +592,12 @@ static int gmc_v7_0_gart_enable(struct amdgpu_device *adev)
 	tmp = REG_SET_FIELD(0, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
 	WREG32(mmVM_L2_CNTL2, tmp);
+
+	field = adev->vm_manager.fragment_size;
 	tmp = RREG32(mmVM_L2_CNTL3);
 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1);
-	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 4);
-	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 4);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, field);
 	WREG32(mmVM_L2_CNTL3, tmp);
 	/* setup context0 */
 	WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->mc.gart_start >> 12);
@@ -948,7 +950,7 @@ static int gmc_v7_0_sw_init(void *handle)
 	 * Currently set to 4GB ((1 << 20) 4k pages).
 	 * Max GPUVM size for cayman and SI is 40 bits.
 	 */
-	amdgpu_vm_adjust_size(adev, 64);
+	amdgpu_vm_adjust_size(adev, 64, 4);
 	adev->vm_manager.max_pfn = adev->vm_manager.vm_size << 18;
 
 	/* Set the internal MC address mask

drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c

@@ -762,7 +762,7 @@ static void gmc_v8_0_set_prt(struct amdgpu_device *adev, bool enable)
 static int gmc_v8_0_gart_enable(struct amdgpu_device *adev)
 {
 	int r, i;
-	u32 tmp;
+	u32 tmp, field;
 
 	if (adev->gart.robj == NULL) {
 		dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
@@ -793,10 +793,12 @@ static int gmc_v8_0_gart_enable(struct amdgpu_device *adev)
 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
 	WREG32(mmVM_L2_CNTL2, tmp);
+
+	field = adev->vm_manager.fragment_size;
 	tmp = RREG32(mmVM_L2_CNTL3);
 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1);
-	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 4);
-	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 4);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, field);
 	WREG32(mmVM_L2_CNTL3, tmp);
 	/* XXX: set to enable PTE/PDE in system memory */
 	tmp = RREG32(mmVM_L2_CNTL4);
@@ -1046,7 +1048,7 @@ static int gmc_v8_0_sw_init(void *handle)
 	 * Currently set to 4GB ((1 << 20) 4k pages).
 	 * Max GPUVM size for cayman and SI is 40 bits.
 	 */
-	amdgpu_vm_adjust_size(adev, 64);
+	amdgpu_vm_adjust_size(adev, 64, 4);
 	adev->vm_manager.max_pfn = adev->vm_manager.vm_size << 18;
 
 	/* Set the internal MC address mask

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

@@ -541,9 +541,10 @@ static int gmc_v9_0_sw_init(void *handle)
 			adev->vm_manager.vm_size = 1U << 18;
 			adev->vm_manager.block_size = 9;
 			adev->vm_manager.num_level = 3;
+			amdgpu_vm_set_fragment_size(adev, 9);
 		} else {
-			/* vm_size is 64GB for legacy 2-level page support*/
-			amdgpu_vm_adjust_size(adev, 64);
+			/* vm_size is 64GB for legacy 2-level page support */
+			amdgpu_vm_adjust_size(adev, 64, 9);
 			adev->vm_manager.num_level = 1;
 		}
 		break;
@@ -558,14 +559,16 @@ static int gmc_v9_0_sw_init(void *handle)
 		adev->vm_manager.vm_size = 1U << 18;
 		adev->vm_manager.block_size = 9;
 		adev->vm_manager.num_level = 3;
+		amdgpu_vm_set_fragment_size(adev, 9);
 		break;
 	default:
 		break;
 	}
 
-	DRM_INFO("vm size is %llu GB, block size is %u-bit\n",
+	DRM_INFO("vm size is %llu GB, block size is %u-bit,fragment size is %u-bit\n",
 			adev->vm_manager.vm_size,
-			adev->vm_manager.block_size);
+			adev->vm_manager.block_size,
+			adev->vm_manager.fragment_size);
 
 	/* This interrupt is VMC page fault.*/
 	r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_VMC, 0,

drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c

@@ -138,7 +138,7 @@ static void mmhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
 
 static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
 {
-	uint32_t tmp;
+	uint32_t tmp, field;
 
 	/* Setup L2 cache */
 	tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
@@ -157,9 +157,10 @@ static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
 	WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2, tmp);
 
+	field = adev->vm_manager.fragment_size;
 	tmp = mmVM_L2_CNTL3_DEFAULT;
-	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
-	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
 	WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, tmp);
 
 	tmp = mmVM_L2_CNTL4_DEFAULT;

drivers/gpu/drm/amd/amdgpu/soc15d.h

@@ -250,6 +250,7 @@
 #define	PACKET3_SET_UCONFIG_REG				0x79
 #define		PACKET3_SET_UCONFIG_REG_START			0x0000c000
 #define		PACKET3_SET_UCONFIG_REG_END			0x0000c400
+#define		PACKET3_SET_UCONFIG_REG_INDEX_TYPE		(2 << 28)
 #define	PACKET3_SCRATCH_RAM_WRITE			0x7D
 #define	PACKET3_SCRATCH_RAM_READ			0x7E
 #define	PACKET3_LOAD_CONST_RAM				0x80

drivers/gpu/drm/nouveau/nouveau_ttm.c

@@ -179,7 +179,8 @@ nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
 }
 
 static void
-nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
+nouveau_gart_manager_debug(struct ttm_mem_type_manager *man,
+			   struct drm_printer *printer)
 {
 }
 
@@ -252,7 +253,8 @@ nv04_gart_manager_new(struct ttm_mem_type_manager *man,
 }
 
 static void
-nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
+nv04_gart_manager_debug(struct ttm_mem_type_manager *man,
+			struct drm_printer *printer)
 {
 }
 

drivers/gpu/drm/radeon/radeon_ttm.c

@@ -1030,19 +1030,17 @@ int radeon_mmap(struct file *filp, struct vm_area_struct *vma)
 static int radeon_mm_dump_table(struct seq_file *m, void *data)
 {
 	struct drm_info_node *node = (struct drm_info_node *)m->private;
-	unsigned ttm_pl = *(int *)node->info_ent->data;
+	unsigned ttm_pl = *(int*)node->info_ent->data;
 	struct drm_device *dev = node->minor->dev;
 	struct radeon_device *rdev = dev->dev_private;
-	struct drm_mm *mm = (struct drm_mm *)rdev->mman.bdev.man[ttm_pl].priv;
-	struct ttm_bo_global *glob = rdev->mman.bdev.glob;
+	struct ttm_mem_type_manager *man = &rdev->mman.bdev.man[ttm_pl];
 	struct drm_printer p = drm_seq_file_printer(m);
 
-	spin_lock(&glob->lru_lock);
-	drm_mm_print(mm, &p);
-	spin_unlock(&glob->lru_lock);
+	man->func->debug(man, &p);
 	return 0;
 }
 
+
 static int ttm_pl_vram = TTM_PL_VRAM;
 static int ttm_pl_tt = TTM_PL_TT;
 

drivers/gpu/drm/ttm/ttm_bo.c

@@ -70,6 +70,7 @@ static inline int ttm_mem_type_from_place(const struct ttm_place *place,
 static void ttm_mem_type_debug(struct ttm_bo_device *bdev, int mem_type)
 {
 	struct ttm_mem_type_manager *man = &bdev->man[mem_type];
+	struct drm_printer p = drm_debug_printer(TTM_PFX);
 
 	pr_err("    has_type: %d\n", man->has_type);
 	pr_err("    use_type: %d\n", man->use_type);
@@ -79,7 +80,7 @@ static void ttm_mem_type_debug(struct ttm_bo_device *bdev, int mem_type)
 	pr_err("    available_caching: 0x%08X\n", man->available_caching);
 	pr_err("    default_caching: 0x%08X\n", man->default_caching);
 	if (mem_type != TTM_PL_SYSTEM)
-		(*man->func->debug)(man, TTM_PFX);
+		(*man->func->debug)(man, &p);
 }
 
 static void ttm_bo_mem_space_debug(struct ttm_buffer_object *bo,
@@ -394,14 +395,33 @@ static void ttm_bo_cleanup_memtype_use(struct ttm_buffer_object *bo)
 	ww_mutex_unlock (&bo->resv->lock);
 }
 
+static int ttm_bo_individualize_resv(struct ttm_buffer_object *bo)
+{
+	int r;
+
+	if (bo->resv == &bo->ttm_resv)
+		return 0;
+
+	reservation_object_init(&bo->ttm_resv);
+	BUG_ON(!reservation_object_trylock(&bo->ttm_resv));
+
+	r = reservation_object_copy_fences(&bo->ttm_resv, bo->resv);
+	if (r) {
+		reservation_object_unlock(&bo->ttm_resv);
+		reservation_object_fini(&bo->ttm_resv);
+	}
+
+	return r;
+}
+
 static void ttm_bo_flush_all_fences(struct ttm_buffer_object *bo)
 {
 	struct reservation_object_list *fobj;
 	struct dma_fence *fence;
 	int i;
 
-	fobj = reservation_object_get_list(bo->resv);
-	fence = reservation_object_get_excl(bo->resv);
+	fobj = reservation_object_get_list(&bo->ttm_resv);
+	fence = reservation_object_get_excl(&bo->ttm_resv);
 	if (fence && !fence->ops->signaled)
 		dma_fence_enable_sw_signaling(fence);
 
@@ -430,8 +450,19 @@ static void ttm_bo_cleanup_refs_or_queue(struct ttm_buffer_object *bo)
 			ttm_bo_cleanup_memtype_use(bo);
 
 			return;
-		} else
-			ttm_bo_flush_all_fences(bo);
+		}
+
+		ret = ttm_bo_individualize_resv(bo);
+		if (ret) {
+			/* Last resort, if we fail to allocate memory for the
+			 * fences block for the BO to become idle and free it.
+			 */
+			spin_unlock(&glob->lru_lock);
+			ttm_bo_wait(bo, true, true);
+			ttm_bo_cleanup_memtype_use(bo);
+			return;
+		}
+		ttm_bo_flush_all_fences(bo);
 
 		/*
 		 * Make NO_EVICT bos immediately available to
@@ -443,6 +474,8 @@ static void ttm_bo_cleanup_refs_or_queue(struct ttm_buffer_object *bo)
 			ttm_bo_add_to_lru(bo);
 		}
 
+		if (bo->resv != &bo->ttm_resv)
+			reservation_object_unlock(&bo->ttm_resv);
 		__ttm_bo_unreserve(bo);
 	}
 
@@ -471,17 +504,25 @@ static int ttm_bo_cleanup_refs_and_unlock(struct ttm_buffer_object *bo,
 					  bool no_wait_gpu)
 {
 	struct ttm_bo_global *glob = bo->glob;
+	struct reservation_object *resv;
 	int ret;
 
-	ret = ttm_bo_wait(bo, false, true);
+	if (unlikely(list_empty(&bo->ddestroy)))
+		resv = bo->resv;
+	else
+		resv = &bo->ttm_resv;
+
+	if (reservation_object_test_signaled_rcu(resv, true))
+		ret = 0;
+	else
+		ret = -EBUSY;
 
 	if (ret && !no_wait_gpu) {
 		long lret;
 		ww_mutex_unlock(&bo->resv->lock);
 		spin_unlock(&glob->lru_lock);
 
-		lret = reservation_object_wait_timeout_rcu(bo->resv,
-							   true,
+		lret = reservation_object_wait_timeout_rcu(resv, true,
 							   interruptible,
 							   30 * HZ);
 
@@ -505,13 +546,6 @@ static int ttm_bo_cleanup_refs_and_unlock(struct ttm_buffer_object *bo,
 			spin_unlock(&glob->lru_lock);
 			return 0;
 		}
-
-		/*
-		 * remove sync_obj with ttm_bo_wait, the wait should be
-		 * finished, and no new wait object should have been added.
-		 */
-		ret = ttm_bo_wait(bo, false, true);
-		WARN_ON(ret);
 	}
 
 	if (ret || unlikely(list_empty(&bo->ddestroy))) {

drivers/gpu/drm/ttm/ttm_bo_manager.c

@@ -136,13 +136,12 @@ static int ttm_bo_man_takedown(struct ttm_mem_type_manager *man)
 }
 
 static void ttm_bo_man_debug(struct ttm_mem_type_manager *man,
-			     const char *prefix)
+			     struct drm_printer *printer)
 {
 	struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv;
-	struct drm_printer p = drm_debug_printer(prefix);
 
 	spin_lock(&rman->lock);
-	drm_mm_print(&rman->mm, &p);
+	drm_mm_print(&rman->mm, printer);
 	spin_unlock(&rman->lock);
 }
 

drivers/gpu/drm/ttm/ttm_page_alloc.c

@@ -615,7 +615,7 @@ static void ttm_page_pool_fill_locked(struct ttm_page_pool *pool,
 		} else {
 			pr_err("Failed to fill pool (%p)\n", pool);
 			/* If we have any pages left put them to the pool. */
-			list_for_each_entry(p, &pool->list, lru) {
+			list_for_each_entry(p, &new_pages, lru) {
 				++cpages;
 			}
 			list_splice(&new_pages, &pool->list);

drivers/gpu/drm/virtio/virtgpu_ttm.c

@@ -192,7 +192,7 @@ static int ttm_bo_man_takedown(struct ttm_mem_type_manager *man)
 }
 
 static void ttm_bo_man_debug(struct ttm_mem_type_manager *man,
-			     const char *prefix)
+			     struct drm_printer *printer)
 {
 }
 

drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c

@@ -157,9 +157,9 @@ static int vmw_gmrid_man_takedown(struct ttm_mem_type_manager *man)
 }
 
 static void vmw_gmrid_man_debug(struct ttm_mem_type_manager *man,
-				const char *prefix)
+				struct drm_printer *printer)
 {
-	pr_info("%s: No debug info available for the GMR id manager\n", prefix);
+	drm_printf(printer, "No debug info available for the GMR id manager\n");
 }
 
 const struct ttm_mem_type_manager_func vmw_gmrid_manager_func = {

include/drm/ttm/ttm_bo_driver.h

@@ -229,13 +229,14 @@ struct ttm_mem_type_manager_func {
 	 * struct ttm_mem_type_manager member debug
 	 *
 	 * @man: Pointer to a memory type manager.
-	 * @prefix: Prefix to be used in printout to identify the caller.
+	 * @printer: Prefix to be used in printout to identify the caller.
 	 *
 	 * This function is called to print out the state of the memory
 	 * type manager to aid debugging of out-of-memory conditions.
 	 * It may not be called from within atomic context.
 	 */
-	void (*debug)(struct ttm_mem_type_manager *man, const char *prefix);
+	void (*debug)(struct ttm_mem_type_manager *man,
+		      struct drm_printer *printer);
 };
 
 /**