1 files changed, 81 insertions, 184 deletions

diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
index f09a712b1ed2..1a40590077dd 100644
--- a/drivers/gpu/drm/qxl/qxl_ttm.c
+++ b/drivers/gpu/drm/qxl/qxl_ttm.c
@@ -28,17 +28,17 @@
 #include <drm/drm.h>
 #include <drm/drm_file.h>
 #include <drm/drm_debugfs.h>
+#include <drm/drm_print.h>
 #include <drm/qxl_drm.h>
-#include <drm/ttm/ttm_bo_api.h>
-#include <drm/ttm/ttm_bo_driver.h>
-#include <drm/ttm/ttm_module.h>
-#include <drm/ttm/ttm_page_alloc.h>
+#include <drm/ttm/ttm_bo.h>
 #include <drm/ttm/ttm_placement.h>
+#include <drm/ttm/ttm_range_manager.h>
+#include <drm/ttm/ttm_tt.h>
 
 #include "qxl_drv.h"
 #include "qxl_object.h"
 
-static struct qxl_device *qxl_get_qdev(struct ttm_bo_device *bdev)
+static struct qxl_device *qxl_get_qdev(struct ttm_device *bdev)
 {
 	struct qxl_mman *mman;
 	struct qxl_device *qdev;
@@ -48,41 +48,6 @@ static struct qxl_device *qxl_get_qdev(struct ttm_bo_device *bdev)
 	return qdev;
 }
 
-static int qxl_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
-			     struct ttm_mem_type_manager *man)
-{
-	struct qxl_device *qdev = qxl_get_qdev(bdev);
-	unsigned int gpu_offset_shift =
-		64 - (qdev->rom->slot_gen_bits + qdev->rom->slot_id_bits + 8);
-	struct qxl_memslot *slot;
-
-	switch (type) {
-	case TTM_PL_SYSTEM:
-		/* System memory */
-		man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
-		man->available_caching = TTM_PL_MASK_CACHING;
-		man->default_caching = TTM_PL_FLAG_CACHED;
-		break;
-	case TTM_PL_VRAM:
-	case TTM_PL_PRIV:
-		/* "On-card" video ram */
-		slot = (type == TTM_PL_VRAM) ?
-			&qdev->main_slot : &qdev->surfaces_slot;
-		slot->gpu_offset = (uint64_t)type << gpu_offset_shift;
-		man->func = &ttm_bo_manager_func;
-		man->gpu_offset = slot->gpu_offset;
-		man->flags = TTM_MEMTYPE_FLAG_FIXED |
-			     TTM_MEMTYPE_FLAG_MAPPABLE;
-		man->available_caching = TTM_PL_MASK_CACHING;
-		man->default_caching = TTM_PL_FLAG_CACHED;
-		break;
-	default:
-		DRM_ERROR("Unsupported memory type %u\n", (unsigned int)type);
-		return -EINVAL;
-	}
-	return 0;
-}
-
 static void qxl_evict_flags(struct ttm_buffer_object *bo,
 				struct ttm_placement *placement)
 {
@@ -90,47 +55,39 @@ static void qxl_evict_flags(struct ttm_buffer_object *bo,
 	static const struct ttm_place placements = {
 		.fpfn = 0,
 		.lpfn = 0,
-		.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM
+		.mem_type = TTM_PL_SYSTEM,
+		.flags = 0
 	};
 
 	if (!qxl_ttm_bo_is_qxl_bo(bo)) {
 		placement->placement = &placements;
-		placement->busy_placement = &placements;
 		placement->num_placement = 1;
-		placement->num_busy_placement = 1;
 		return;
 	}
 	qbo = to_qxl_bo(bo);
-	qxl_ttm_placement_from_domain(qbo, QXL_GEM_DOMAIN_CPU, false);
+	qxl_ttm_placement_from_domain(qbo, QXL_GEM_DOMAIN_CPU);
 	*placement = qbo->placement;
 }
 
-int qxl_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
-			   struct ttm_mem_reg *mem)
+int qxl_ttm_io_mem_reserve(struct ttm_device *bdev,
+			   struct ttm_resource *mem)
 {
-	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
 	struct qxl_device *qdev = qxl_get_qdev(bdev);
 
-	mem->bus.addr = NULL;
-	mem->bus.offset = 0;
-	mem->bus.size = mem->num_pages << PAGE_SHIFT;
-	mem->bus.base = 0;
-	mem->bus.is_iomem = false;
-	if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
-		return -EINVAL;
 	switch (mem->mem_type) {
 	case TTM_PL_SYSTEM:
 		/* system memory */
 		return 0;
 	case TTM_PL_VRAM:
 		mem->bus.is_iomem = true;
-		mem->bus.base = qdev->vram_base;
-		mem->bus.offset = mem->start << PAGE_SHIFT;
+		mem->bus.offset = (mem->start << PAGE_SHIFT) + qdev->vram_base;
+		mem->bus.caching = ttm_write_combined;
 		break;
 	case TTM_PL_PRIV:
 		mem->bus.is_iomem = true;
-		mem->bus.base = qdev->surfaceram_base;
-		mem->bus.offset = mem->start << PAGE_SHIFT;
+		mem->bus.offset = (mem->start << PAGE_SHIFT) +
+			qdev->surfaceram_base;
+		mem->bus.caching = ttm_write_combined;
 		break;
 	default:
 		return -EINVAL;
@@ -138,153 +95,122 @@ int qxl_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
 	return 0;
 }
 
-static void qxl_ttm_io_mem_free(struct ttm_bo_device *bdev,
-				struct ttm_mem_reg *mem)
-{
-}
-
 /*
  * TTM backend functions.
  */
-struct qxl_ttm_tt {
-	struct ttm_tt		        ttm;
-	struct qxl_device		*qdev;
-	u64				offset;
-};
-
-static int qxl_ttm_backend_bind(struct ttm_tt *ttm,
-				struct ttm_mem_reg *bo_mem)
+static void qxl_ttm_backend_destroy(struct ttm_device *bdev, struct ttm_tt *ttm)
 {
-	struct qxl_ttm_tt *gtt = (void *)ttm;
-
-	gtt->offset = (unsigned long)(bo_mem->start << PAGE_SHIFT);
-	if (!ttm->num_pages) {
-		WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n",
-		     ttm->num_pages, bo_mem, ttm);
-	}
-	/* Not implemented */
-	return -1;
+	ttm_tt_fini(ttm);
+	kfree(ttm);
 }
 
-static int qxl_ttm_backend_unbind(struct ttm_tt *ttm)
-{
-	/* Not implemented */
-	return -1;
-}
-
-static void qxl_ttm_backend_destroy(struct ttm_tt *ttm)
-{
-	struct qxl_ttm_tt *gtt = (void *)ttm;
-
-	ttm_tt_fini(&gtt->ttm);
-	kfree(gtt);
-}
-
-static struct ttm_backend_func qxl_backend_func = {
-	.bind = &qxl_ttm_backend_bind,
-	.unbind = &qxl_ttm_backend_unbind,
-	.destroy = &qxl_ttm_backend_destroy,
-};
-
 static struct ttm_tt *qxl_ttm_tt_create(struct ttm_buffer_object *bo,
 					uint32_t page_flags)
 {
-	struct qxl_device *qdev;
-	struct qxl_ttm_tt *gtt;
+	struct ttm_tt *ttm;
 
-	qdev = qxl_get_qdev(bo->bdev);
-	gtt = kzalloc(sizeof(struct qxl_ttm_tt), GFP_KERNEL);
-	if (gtt == NULL)
+	ttm = kzalloc(sizeof(struct ttm_tt), GFP_KERNEL);
+	if (ttm == NULL)
 		return NULL;
-	gtt->ttm.func = &qxl_backend_func;
-	gtt->qdev = qdev;
-	if (ttm_tt_init(&gtt->ttm, bo, page_flags)) {
-		kfree(gtt);
+	if (ttm_tt_init(ttm, bo, page_flags, ttm_cached, 0)) {
+		kfree(ttm);
 		return NULL;
 	}
-	return &gtt->ttm;
+	return ttm;
 }
 
-static void qxl_move_null(struct ttm_buffer_object *bo,
-			     struct ttm_mem_reg *new_mem)
+static void qxl_bo_move_notify(struct ttm_buffer_object *bo,
+			       struct ttm_resource *new_mem)
 {
-	struct ttm_mem_reg *old_mem = &bo->mem;
+	struct qxl_bo *qbo;
+	struct qxl_device *qdev;
+
+	if (!qxl_ttm_bo_is_qxl_bo(bo) || !bo->resource)
+		return;
+	qbo = to_qxl_bo(bo);
+	qdev = to_qxl(qbo->tbo.base.dev);
 
-	BUG_ON(old_mem->mm_node != NULL);
-	*old_mem = *new_mem;
-	new_mem->mm_node = NULL;
+	if (bo->resource->mem_type == TTM_PL_PRIV && qbo->surface_id)
+		qxl_surface_evict(qdev, qbo, new_mem ? true : false);
 }
 
 static int qxl_bo_move(struct ttm_buffer_object *bo, bool evict,
 		       struct ttm_operation_ctx *ctx,
-		       struct ttm_mem_reg *new_mem)
+		       struct ttm_resource *new_mem,
+		       struct ttm_place *hop)
 {
-	struct ttm_mem_reg *old_mem = &bo->mem;
+	struct ttm_resource *old_mem = bo->resource;
 	int ret;
 
-	ret = ttm_bo_wait(bo, ctx->interruptible, ctx->no_wait_gpu);
+	if (!old_mem) {
+		if (new_mem->mem_type != TTM_PL_SYSTEM) {
+			hop->mem_type = TTM_PL_SYSTEM;
+			hop->flags = TTM_PL_FLAG_TEMPORARY;
+			return -EMULTIHOP;
+		}
+
+		ttm_bo_move_null(bo, new_mem);
+		return 0;
+	}
+
+	qxl_bo_move_notify(bo, new_mem);
+
+	ret = ttm_bo_wait_ctx(bo, ctx);
 	if (ret)
 		return ret;
 
 	if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) {
-		qxl_move_null(bo, new_mem);
+		ttm_bo_move_null(bo, new_mem);
 		return 0;
 	}
 	return ttm_bo_move_memcpy(bo, ctx, new_mem);
 }
 
-static void qxl_bo_move_notify(struct ttm_buffer_object *bo,
-			       bool evict,
-			       struct ttm_mem_reg *new_mem)
+static void qxl_bo_delete_mem_notify(struct ttm_buffer_object *bo)
 {
-	struct qxl_bo *qbo;
-	struct qxl_device *qdev;
-
-	if (!qxl_ttm_bo_is_qxl_bo(bo))
-		return;
-	qbo = to_qxl_bo(bo);
-	qdev = to_qxl(qbo->tbo.base.dev);
-
-	if (bo->mem.mem_type == TTM_PL_PRIV && qbo->surface_id)
-		qxl_surface_evict(qdev, qbo, new_mem ? true : false);
+	qxl_bo_move_notify(bo, NULL);
 }
 
-static struct ttm_bo_driver qxl_bo_driver = {
+static struct ttm_device_funcs qxl_bo_driver = {
 	.ttm_tt_create = &qxl_ttm_tt_create,
-	.init_mem_type = &qxl_init_mem_type,
+	.ttm_tt_destroy = &qxl_ttm_backend_destroy,
 	.eviction_valuable = ttm_bo_eviction_valuable,
 	.evict_flags = &qxl_evict_flags,
 	.move = &qxl_bo_move,
 	.io_mem_reserve = &qxl_ttm_io_mem_reserve,
-	.io_mem_free = &qxl_ttm_io_mem_free,
-	.move_notify = &qxl_bo_move_notify,
+	.delete_mem_notify = &qxl_bo_delete_mem_notify,
 };
 
+static int qxl_ttm_init_mem_type(struct qxl_device *qdev,
+				 unsigned int type,
+				 uint64_t size)
+{
+	return ttm_range_man_init(&qdev->mman.bdev, type, false, size);
+}
+
 int qxl_ttm_init(struct qxl_device *qdev)
 {
 	int r;
 	int num_io_pages; /* != rom->num_io_pages, we include surface0 */
 
 	/* No others user of address space so set it to 0 */
-	r = ttm_bo_device_init(&qdev->mman.bdev,
-			       &qxl_bo_driver,
-			       qdev->ddev.anon_inode->i_mapping,
-			       qdev->ddev.vma_offset_manager,
-			       false);
+	r = ttm_device_init(&qdev->mman.bdev, &qxl_bo_driver, NULL,
+			    qdev->ddev.anon_inode->i_mapping,
+			    qdev->ddev.vma_offset_manager,
+			    0);
 	if (r) {
 		DRM_ERROR("failed initializing buffer object driver(%d).\n", r);
 		return r;
 	}
 	/* NOTE: this includes the framebuffer (aka surface 0) */
 	num_io_pages = qdev->rom->ram_header_offset / PAGE_SIZE;
-	r = ttm_bo_init_mm(&qdev->mman.bdev, TTM_PL_VRAM,
-			   num_io_pages);
+	r = qxl_ttm_init_mem_type(qdev, TTM_PL_VRAM, num_io_pages);
 	if (r) {
 		DRM_ERROR("Failed initializing VRAM heap.\n");
 		return r;
 	}
-	r = ttm_bo_init_mm(&qdev->mman.bdev, TTM_PL_PRIV,
-			   qdev->surfaceram_size / PAGE_SIZE);
+	r = qxl_ttm_init_mem_type(qdev, TTM_PL_PRIV,
+				  qdev->surfaceram_size / PAGE_SIZE);
 	if (r) {
 		DRM_ERROR("Failed initializing Surfaces heap.\n");
 		return r;
@@ -300,49 +226,20 @@ int qxl_ttm_init(struct qxl_device *qdev)
 
 void qxl_ttm_fini(struct qxl_device *qdev)
 {
-	ttm_bo_clean_mm(&qdev->mman.bdev, TTM_PL_VRAM);
-	ttm_bo_clean_mm(&qdev->mman.bdev, TTM_PL_PRIV);
-	ttm_bo_device_release(&qdev->mman.bdev);
+	ttm_range_man_fini(&qdev->mman.bdev, TTM_PL_VRAM);
+	ttm_range_man_fini(&qdev->mman.bdev, TTM_PL_PRIV);
+	ttm_device_fini(&qdev->mman.bdev);
 	DRM_INFO("qxl: ttm finalized\n");
 }
 
-#define QXL_DEBUGFS_MEM_TYPES 2
-
-#if defined(CONFIG_DEBUG_FS)
-static int qxl_mm_dump_table(struct seq_file *m, void *data)
-{
-	struct drm_info_node *node = (struct drm_info_node *)m->private;
-	struct drm_mm *mm = (struct drm_mm *)node->info_ent->data;
-	struct drm_printer p = drm_seq_file_printer(m);
-
-	spin_lock(&ttm_bo_glob.lru_lock);
-	drm_mm_print(mm, &p);
-	spin_unlock(&ttm_bo_glob.lru_lock);
-	return 0;
-}
-#endif
-
 void qxl_ttm_debugfs_init(struct qxl_device *qdev)
 {
 #if defined(CONFIG_DEBUG_FS)
-	static struct drm_info_list qxl_mem_types_list[QXL_DEBUGFS_MEM_TYPES];
-	static char qxl_mem_types_names[QXL_DEBUGFS_MEM_TYPES][32];
-	unsigned int i;
-
-	for (i = 0; i < QXL_DEBUGFS_MEM_TYPES; i++) {
-		if (i == 0)
-			sprintf(qxl_mem_types_names[i], "qxl_mem_mm");
-		else
-			sprintf(qxl_mem_types_names[i], "qxl_surf_mm");
-		qxl_mem_types_list[i].name = qxl_mem_types_names[i];
-		qxl_mem_types_list[i].show = &qxl_mm_dump_table;
-		qxl_mem_types_list[i].driver_features = 0;
-		if (i == 0)
-			qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_VRAM].priv;
-		else
-			qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_PRIV].priv;
-
-	}
-	qxl_debugfs_add_files(qdev, qxl_mem_types_list, i);
+	ttm_resource_manager_create_debugfs(ttm_manager_type(&qdev->mman.bdev,
+							     TTM_PL_VRAM),
+					    qdev->ddev.primary->debugfs_root, "qxl_mem_mm");
+	ttm_resource_manager_create_debugfs(ttm_manager_type(&qdev->mman.bdev,
+							     TTM_PL_PRIV),
+					    qdev->ddev.primary->debugfs_root, "qxl_surf_mm");
 #endif
 }