WebSVN – Kolibri OS – Diff – /drivers/video/drm/vmwgfx/vmwgfx_resource.c

 /**************************************************************************
+ *
- * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
+ * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
  * All Rights Reserved.
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the
  * "Software"), to deal in the Software without restriction, including
 #include
 #include
 #include
 #include
 #include "vmwgfx_resource_priv.h"
+#include "vmwgfx_binding.h"
 #define VMW_RES_EVICT_ERR_COUNT 10
+{
 	kref_get(&res->kref);
 	return res;
+}
+struct vmw_resource *
+vmw_resource_reference_unless_doomed(struct vmw_resource *res)
+{
+	return kref_get_unless_zero(&res->kref) ? res : NULL;
+}
 /**
  * vmw_resource_release_id - release a resource id to the id manager.
 	    container_of(kref, struct vmw_resource, kref);
 	struct vmw_private *dev_priv = res->dev_priv;
 	int id;
 	struct idr *idr = &dev_priv->res_idr[res->func->res_type];
 	write_lock(&dev_priv->resource_lock);
 	res->avail = false;
 	list_del_init(&res->lru_head);
 	write_unlock(&dev_priv->resource_lock);
 	if (res->backup) {
 		if (!list_empty(&res->mob_head) &&
 		    res->func->unbind != NULL) {
 			struct ttm_validate_buffer val_buf;
+			val_buf.bo = bo;
-			val_buf.bo = bo;
+			val_buf.shared = false;
 			res->func->unbind(res, false, &val_buf);
+		}
 		res->backup_dirty = false;
 		list_del_init(&res->mob_head);
 		ttm_bo_unreserve(bo);
 		vmw_dmabuf_unreference(&res->backup);
+	}
 	if (likely(res->hw_destroy != NULL)) {
-		res->hw_destroy(res);
+	if (likely(res->hw_destroy != NULL)) {
 		mutex_lock(&dev_priv->binding_mutex);
+		vmw_binding_res_list_kill(&res->binding_head);
-		vmw_context_binding_res_list_kill(&res->binding_head);
+		mutex_unlock(&dev_priv->binding_mutex);
-		mutex_unlock(&dev_priv->binding_mutex);
+		res->hw_destroy(res);
+	}
 	id = res->id;
 	if (res->res_free != NULL)
 		res->res_free(res);
-	else
-		kfree(res);
+	else
 		kfree(res);
 	write_lock(&dev_priv->resource_lock);
 	if (id != -1)
-	if (id != -1)
+		idr_remove(idr, id);
-		idr_remove(idr, id);
+	write_unlock(&dev_priv->resource_lock);
-}
+}
-void vmw_resource_unreference(struct vmw_resource **p_res)
-	struct vmw_resource *res = *p_res;
-	struct vmw_private *dev_priv = res->dev_priv;
+void vmw_resource_unreference(struct vmw_resource **p_res)
+{
-	*p_res = NULL;
+	struct vmw_resource *res = *p_res;
 	res->avail = true;
 	res->hw_destroy = hw_destroy;
 	write_unlock(&dev_priv->resource_lock);
+}
-struct vmw_resource *vmw_resource_lookup(struct vmw_private *dev_priv,
+static struct vmw_resource *vmw_resource_lookup(struct vmw_private *dev_priv,
-					 struct idr *idr, int id)
+						struct idr *idr, int id)
+{
 	struct vmw_resource *res;
-	read_lock(&dev_priv->resource_lock);
-	res = idr_find(idr, id);
+	read_lock(&dev_priv->resource_lock);
-	if (res && res->avail)
-		kref_get(&res->kref);
+	res = idr_find(idr, id);
+	if (!res || !res->avail || !kref_get_unless_zero(&res->kref))
-	else
+		res = NULL;
 		res = NULL;
 	read_unlock(&dev_priv->resource_lock);
 		*out_surf = vmw_res_to_srf(res);
 		return 0;
+	}
 	*out_surf = NULL;
-	ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf);
+	ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf, NULL);
 	return ret;
+}
 static void vmw_user_dmabuf_destroy(struct ttm_buffer_object *bo)
+{
 	struct vmw_user_dma_buffer *vmw_user_bo = vmw_user_dma_buffer(bo);
-//   ttm_prime_object_kfree(vmw_user_bo, prime);
+	ttm_prime_object_kfree(vmw_user_bo, prime);
+}
 	INIT_LIST_HEAD(&vmw_bo->res_list);
 	ret = ttm_bo_init(bdev, &vmw_bo->base, size,
 			  ttm_bo_type_device, placement,
 , interruptible,
-			  NULL, acc_size, NULL, bo_free);
+			  NULL, acc_size, NULL, NULL, bo_free);
 	return ret;
+}
 int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
 			  struct ttm_object_file *tfile,
 			  uint32_t size,
 			  bool shareable,
 			  uint32_t *handle,
-			  struct vmw_dma_buffer **p_dma_buf)
+			  struct vmw_dma_buffer **p_dma_buf,
+			  struct ttm_base_object **p_base)
+{
 	struct vmw_user_dma_buffer *user_bo;
 	struct ttm_buffer_object *tmp;
 	int ret;
 			      &vmw_user_dmabuf_destroy);
 	if (unlikely(ret != 0))
 		return ret;
-	tmp = ttm_bo_reference(&user_bo->dma.base);
-/*
+	tmp = ttm_bo_reference(&user_bo->dma.base);
-    ret = ttm_prime_object_init(tfile,
+	ret = ttm_prime_object_init(tfile,
 				    size,
 				    &user_bo->prime,
-				   shareable,
+				    shareable,
 				    &vmw_user_dmabuf_ref_obj_release);
 	if (unlikely(ret != 0)) {
 		ttm_bo_unref(&tmp);
 		goto out_no_base_object;
+	}
-*/
+	*p_dma_buf = &user_bo->dma;
+	if (p_base) {
+		*p_base = &user_bo->prime.base;
+		kref_get(&(*p_base)->refcount);
 	*p_dma_buf = &user_bo->dma;
 	*handle = user_bo->prime.base.hash.key;
 out_no_base_object:
 	struct ttm_buffer_object *bo = &user_bo->dma.base;
 	bool existed;
 	int ret;
 	if (flags & drm_vmw_synccpu_allow_cs) {
+		bool nonblock = !!(flags & drm_vmw_synccpu_dontblock);
+		long lret;
+		if (nonblock)
-		struct ttm_bo_device *bdev = bo->bdev;
+			return reservation_object_test_signaled_rcu(bo->resv, true) ? 0 : -EBUSY;
 //       spin_lock(&bdev->fence_lock);
 //       ret = ttm_bo_wait(bo, false, true,
 //                 !!(flags & drm_vmw_synccpu_dontblock));
 //       spin_unlock(&bdev->fence_lock);
 		return ret;
 	}
-//   ret = ttm_bo_synccpu_write_grab
+	ret = ttm_bo_synccpu_write_grab
-//       (bo, !!(flags & drm_vmw_synccpu_dontblock));
+		(bo, !!(flags & drm_vmw_synccpu_dontblock));
-//   if (unlikely(ret != 0))
+	if (unlikely(ret != 0))
-//       return ret;
+		return ret;
 	struct drm_vmw_synccpu_arg *arg =
 		(struct drm_vmw_synccpu_arg *) data;
 	struct vmw_dma_buffer *dma_buf;
 	struct vmw_user_dma_buffer *user_bo;
 	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+	struct ttm_base_object *buffer_base;
 	int ret;
 	if ((arg->flags & (drm_vmw_synccpu_read | drm_vmw_synccpu_write)) == 0
 	    || (arg->flags & ~(drm_vmw_synccpu_read | drm_vmw_synccpu_write |
 		return -EINVAL;
+	}
 	switch (arg->op) {
 	case drm_vmw_synccpu_grab:
+		ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &dma_buf,
-		ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &dma_buf);
+					     &buffer_base);
 		if (unlikely(ret != 0))
 			return ret;
 		user_bo = container_of(dma_buf, struct vmw_user_dma_buffer,
 				       dma);
+		ret = vmw_user_dmabuf_synccpu_grab(user_bo, tfile, arg->flags);
-		ret = vmw_user_dmabuf_synccpu_grab(user_bo, tfile, arg->flags);
+		vmw_dmabuf_unreference(&dma_buf);
-		vmw_dmabuf_unreference(&dma_buf);
+		ttm_base_object_unref(&buffer_base);
 		if (unlikely(ret != 0 && ret != -ERESTARTSYS &&
 			     ret != -EBUSY)) {
 			DRM_ERROR("Failed synccpu grab on handle 0x%08x.\n",
 	ret = ttm_read_lock(&dev_priv->reservation_sem, true);
 	if (unlikely(ret != 0))
 		return ret;
 	ret = vmw_user_dmabuf_alloc(dev_priv, vmw_fpriv(file_priv)->tfile,
+				    req->size, false, &handle, &dma_buf,
-				    req->size, false, &handle, &dma_buf);
+				    NULL);
 	if (unlikely(ret != 0))
 		goto out_no_dmabuf;
 					 TTM_REF_USAGE);
+}
 #endif
 int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
+			   uint32_t handle, struct vmw_dma_buffer **out,
-			   uint32_t handle, struct vmw_dma_buffer **out)
+			   struct ttm_base_object **p_base)
+{
 	struct vmw_user_dma_buffer *vmw_user_bo;
 	struct ttm_base_object *base;
+	}
 	vmw_user_bo = container_of(base, struct vmw_user_dma_buffer,
 				   prime.base);
+	(void)ttm_bo_reference(&vmw_user_bo->dma.base);
+	if (p_base)
+		*p_base = base;
-	(void)ttm_bo_reference(&vmw_user_bo->dma.base);
+	else
-	ttm_base_object_unref(&base);
+		ttm_base_object_unref(&base);
 	*out = &vmw_user_bo->dma;
 		return ret;
 	ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
 				   vmw_user_stream_size,
+				   false, true);
-				   false, true);
+	ttm_read_unlock(&dev_priv->reservation_sem);
 	if (unlikely(ret != 0)) {
 		if (ret != -ERESTARTSYS)
 			DRM_ERROR("Out of graphics memory for stream"
-				  " creation.\n");
-		goto out_unlock;
+				  " creation.\n");
 		goto out_ret;
+	}
 	stream = kmalloc(sizeof(*stream), GFP_KERNEL);
 	if (unlikely(stream == NULL)) {
 		ttm_mem_global_free(vmw_mem_glob(dev_priv),
 				    vmw_user_stream_size);
 		ret = -ENOMEM;
-		goto out_unlock;
+		goto out_ret;
+	}
 	 * From here on, the destructor takes over resource freeing.
 	 */
 	ret = vmw_stream_init(dev_priv, &stream->stream, vmw_user_stream_free);
 	if (unlikely(ret != 0))
-		goto out_unlock;
+		goto out_ret;
 	tmp = vmw_resource_reference(res);
+	}
 	arg->stream_id = res->id;
 out_err:
 	vmw_resource_unreference(&res);
-out_unlock:
-	ttm_read_unlock(&dev_priv->reservation_sem);
+out_ret:
 	return ret;
+}
 #endif
 err_ref:
 	vmw_resource_unreference(&res);
 	return ret;
+}
+/**
+ * vmw_dumb_create - Create a dumb kms buffer
+ *
+ * @file_priv: Pointer to a struct drm_file identifying the caller.
+ * @dev: Pointer to the drm device.
+ * @args: Pointer to a struct drm_mode_create_dumb structure
+ *
+ * This is a driver callback for the core drm create_dumb functionality.
+ * Note that this is very similar to the vmw_dmabuf_alloc ioctl, except
+ * that the arguments have a different format.
-#if 0
+ */
 int vmw_dumb_create(struct drm_file *file_priv,
 		    struct drm_device *dev,
 		    struct drm_mode_create_dumb *args)
+{
-	struct vmw_private *dev_priv = vmw_priv(dev);
-	struct vmw_master *vmaster = vmw_master(file_priv->master);
+	struct vmw_private *dev_priv = vmw_priv(dev);
 	struct vmw_dma_buffer *dma_buf;
 	int ret;
 	if (unlikely(ret != 0))
 		return ret;
 	ret = vmw_user_dmabuf_alloc(dev_priv, vmw_fpriv(file_priv)->tfile,
 				    args->size, false, &args->handle,
-				    &dma_buf);
+				    &dma_buf, NULL);
 	if (unlikely(ret != 0))
 		goto out_no_dmabuf;
 	vmw_dmabuf_unreference(&dma_buf);
 out_no_dmabuf:
 	ttm_read_unlock(&dev_priv->reservation_sem);
-	return ret;
 	return ret;
 #endif
 /**
+{
 	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
 	struct vmw_dma_buffer *out_buf;
 	int ret;
-	ret = vmw_user_dmabuf_lookup(tfile, handle, &out_buf);
+	ret = vmw_user_dmabuf_lookup(tfile, handle, &out_buf, NULL);
 	if (ret != 0)
 		return -EINVAL;
 /**
  * vmw_resource_unreserve - Unreserve a resource previously reserved for
  * command submission.
+ *
  * @res:               Pointer to the struct vmw_resource to unreserve.
+ * @switch_backup:     Backup buffer has been switched.
  * @new_backup:        Pointer to new backup buffer if command submission
- *                     switched.
+ *                     switched. May be NULL.
- * @new_backup_offset: New backup offset if @new_backup is !NULL.
+ * @new_backup_offset: New backup offset if @switch_backup is true.
+ *
  * Currently unreserving a resource means putting it back on the device's
  * resource lru list, so that it can be evicted if necessary.
  */
 void vmw_resource_unreserve(struct vmw_resource *res,
+			    bool switch_backup,
 			    struct vmw_dma_buffer *new_backup,
 			    unsigned long new_backup_offset)
+{
 	struct vmw_private *dev_priv = res->dev_priv;
 	if (!list_empty(&res->lru_head))
 		return;
 	if (new_backup && new_backup != res->backup) {
 	if (switch_backup && new_backup != res->backup) {
 		if (res->backup) {
 			lockdep_assert_held(&res->backup->base.resv->lock.base);
 			list_del_init(&res->mob_head);
+			vmw_dmabuf_unreference(&res->backup);
 			vmw_dmabuf_unreference(&res->backup);
 		if (new_backup) {
+			res->backup = vmw_dmabuf_reference(new_backup);
+			lockdep_assert_held(&new_backup->base.resv->lock.base);
-		res->backup = vmw_dmabuf_reference(new_backup);
+			list_add_tail(&res->mob_head, &new_backup->res_list);
+		} else {
-		lockdep_assert_held(&new_backup->base.resv->lock.base);
+			res->backup = NULL;
 		list_add_tail(&res->mob_head, &new_backup->res_list);
 	}
-	if (new_backup)
+	if (switch_backup)
 		res->backup_offset = new_backup_offset;
-	if (!res->func->may_evict || res->id == -1)
+	if (!res->func->may_evict || res->id == -1 || res->pin_count)
 			return ret;
+	}
 	INIT_LIST_HEAD(&val_list);
+	val_buf->bo = ttm_bo_reference(&res->backup->base);
-	val_buf->bo = ttm_bo_reference(&res->backup->base);
+	val_buf->shared = false;
 	list_add_tail(&val_buf->head, &val_list);
-	ret = ttm_eu_reserve_buffers(NULL, &val_list);
+	ret = ttm_eu_reserve_buffers(NULL, &val_list, interruptible, NULL);
 	if (unlikely(ret != 0))
 		goto out_no_reserve;
  * This function takes the resource off the LRU list and make sure
  * a backup buffer is present for guest-backed resources. However,
  * the buffer may not be bound to the resource at this point.
+ *
  */
-int vmw_resource_reserve(struct vmw_resource *res, bool no_backup)
+int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
+			 bool no_backup)
+{
 	struct vmw_private *dev_priv = res->dev_priv;
 	int ret;
 	write_lock(&dev_priv->resource_lock);
 	list_del_init(&res->lru_head);
 	write_unlock(&dev_priv->resource_lock);
 	if (res->func->needs_backup && res->backup == NULL &&
 	    !no_backup) {
+		ret = vmw_resource_buf_alloc(res, interruptible);
+		if (unlikely(ret != 0)) {
+			DRM_ERROR("Failed to allocate a backup buffer "
-		ret = vmw_resource_buf_alloc(res, true);
+				  "of size %lu. bytes\n",
-		if (unlikely(ret != 0))
+				  (unsigned long) res->backup_size);
+			return ret;
 			return ret;
+	}
  *                         to a backup buffer.
+ *
  * @res:            The resource to evict.
  * @interruptible:  Whether to wait interruptible.
  */
-int vmw_resource_do_evict(struct vmw_resource *res, bool interruptible)
+static int vmw_resource_do_evict(struct vmw_resource *res, bool interruptible)
+{
 	struct ttm_validate_buffer val_buf;
 	const struct vmw_res_func *func = res->func;
 	int ret;
 	BUG_ON(!func->may_evict);
 	val_buf.bo = NULL;
-	val_buf.bo = NULL;
+	val_buf.shared = false;
 	ret = vmw_resource_check_buffer(res, interruptible, &val_buf);
 	if (unlikely(ret != 0))
 	struct vmw_private *dev_priv = res->dev_priv;
 	struct list_head *lru_list = &dev_priv->res_lru[res->func->res_type];
 	struct ttm_validate_buffer val_buf;
 	unsigned err_count = 0;
-	if (likely(!res->func->may_evict))
+	if (!res->func->create)
 		return 0;
 	val_buf.bo = NULL;
-	val_buf.bo = NULL;
+	val_buf.shared = false;
 	if (res->backup)
 		val_buf.bo = &res->backup->base;
 	do {
  */
 void vmw_fence_single_bo(struct ttm_buffer_object *bo,
 			 struct vmw_fence_obj *fence)
+{
 	struct ttm_bo_device *bdev = bo->bdev;
-	struct ttm_bo_driver *driver = bdev->driver;
-	struct vmw_fence_obj *old_fence_obj;
 	struct vmw_private *dev_priv =
 		container_of(bdev, struct vmw_private, bdev);
-	if (fence == NULL)
+	if (fence == NULL) {
-		vmw_execbuf_fence_commands(NULL, dev_priv, &fence, NULL);
-	else
+		vmw_execbuf_fence_commands(NULL, dev_priv, &fence, NULL);
-		driver->sync_obj_ref(fence);
+		reservation_object_add_excl_fence(bo->resv, &fence->base);
-	spin_lock(&bdev->fence_lock);
-	old_fence_obj = bo->sync_obj;
-	bo->sync_obj = fence;
-	spin_unlock(&bdev->fence_lock);
+		fence_put(&fence->base);
-	if (old_fence_obj)
+	} else
-		vmw_fence_obj_unreference(&old_fence_obj);
+		reservation_object_add_excl_fence(bo->resv, &fence->base);
+}
 /**
  * vmw_resource_move_notify - TTM move_notify_callback
  *
- * @bo:             The TTM buffer object about to move.
+ * @bo: The TTM buffer object about to move.
- * @mem:            The truct ttm_mem_reg indicating to what memory
+ * @mem: The struct ttm_mem_reg indicating to what memory
- *                  region the move is taking place.
+ *       region the move is taking place.
+ *
  * Evicts the Guest Backed hardware resource if the backup
  * it is safe to unbind.
  */
 void vmw_resource_move_notify(struct ttm_buffer_object *bo,
 			      struct ttm_mem_reg *mem)
+{
+/**
+ * vmw_query_readback_all - Read back cached query states
+ *
+ * @dx_query_mob: Buffer containing the DX query MOB
+ *
+ * Read back cached states from the device if they exist.  This function
+ * assumings binding_mutex is held.
+ */
+int vmw_query_readback_all(struct vmw_dma_buffer *dx_query_mob)
+{
+	struct vmw_resource *dx_query_ctx;
+	struct vmw_private *dev_priv;
+	struct {
+		SVGA3dCmdHeader header;
+		SVGA3dCmdDXReadbackAllQuery body;
+	} *cmd;
+	/* No query bound, so do nothing */
+	if (!dx_query_mob || !dx_query_mob->dx_query_ctx)
+		return 0;
+	dx_query_ctx = dx_query_mob->dx_query_ctx;
+	dev_priv     = dx_query_ctx->dev_priv;
+	cmd = vmw_fifo_reserve_dx(dev_priv, sizeof(*cmd), dx_query_ctx->id);
+	if (unlikely(cmd == NULL)) {
+		DRM_ERROR("Failed reserving FIFO space for "
+			  "query MOB read back.\n");
+		return -ENOMEM;
+	}
+	cmd->header.id   = SVGA_3D_CMD_DX_READBACK_ALL_QUERY;
+	cmd->header.size = sizeof(cmd->body);
+	cmd->body.cid    = dx_query_ctx->id;
+	vmw_fifo_commit(dev_priv, sizeof(*cmd));
+	/* Triggers a rebind the next time affected context is bound */
+	dx_query_mob->dx_query_ctx = NULL;
+	return 0;
+}
+}
 /**
  * vmw_resource_needs_backup - Return whether a resource needs a backup buffer.
 	for (type = 0; type < vmw_res_max; ++type)
 		vmw_resource_evict_type(dev_priv, type);
 	mutex_unlock(&dev_priv->cmdbuf_mutex);
+}
+/**
+ * vmw_resource_pin - Add a pin reference on a resource
+ *
+ * @res: The resource to add a pin reference on
+ *
+ * This function adds a pin reference, and if needed validates the resource.
+ * Having a pin reference means that the resource can never be evicted, and
+ * its id will never change as long as there is a pin reference.
+ * This function returns 0 on success and a negative error code on failure.
+ */
+int vmw_resource_pin(struct vmw_resource *res, bool interruptible)
+{
+	struct vmw_private *dev_priv = res->dev_priv;
+	int ret;
+	ttm_write_lock(&dev_priv->reservation_sem, interruptible);
+	mutex_lock(&dev_priv->cmdbuf_mutex);
+	ret = vmw_resource_reserve(res, interruptible, false);
+	if (ret)
+		goto out_no_reserve;
+	if (res->pin_count == 0) {
+		struct vmw_dma_buffer *vbo = NULL;
+		if (res->backup) {
+			vbo = res->backup;
+			ttm_bo_reserve(&vbo->base, interruptible, false, false,
+				       NULL);
+			if (!vbo->pin_count) {
+				ret = ttm_bo_validate
+					(&vbo->base,
+					 res->func->backup_placement,
+					 interruptible, false);
+				if (ret) {
+					ttm_bo_unreserve(&vbo->base);
+					goto out_no_validate;
+				}
+			}
+			/* Do we really need to pin the MOB as well? */
+			vmw_bo_pin_reserved(vbo, true);
+		}
+		ret = vmw_resource_validate(res);
+		if (vbo)
+			ttm_bo_unreserve(&vbo->base);
+		if (ret)
+			goto out_no_validate;
+	}
+	res->pin_count++;
+out_no_validate:
+	vmw_resource_unreserve(res, false, NULL, 0UL);
+out_no_reserve:
+	mutex_unlock(&dev_priv->cmdbuf_mutex);
+	ttm_write_unlock(&dev_priv->reservation_sem);
+	return ret;
+}
+/**
+ * vmw_resource_unpin - Remove a pin reference from a resource
+ *
+ * @res: The resource to remove a pin reference from
+ *
+ * Having a pin reference means that the resource can never be evicted, and
+ * its id will never change as long as there is a pin reference.
+ */
+void vmw_resource_unpin(struct vmw_resource *res)
+{
+	struct vmw_private *dev_priv = res->dev_priv;
+	int ret;
+	ttm_read_lock(&dev_priv->reservation_sem, false);
+	mutex_lock(&dev_priv->cmdbuf_mutex);
+	ret = vmw_resource_reserve(res, false, true);
+	WARN_ON(ret);
+	WARN_ON(res->pin_count == 0);
+	if (--res->pin_count == 0 && res->backup) {
+		struct vmw_dma_buffer *vbo = res->backup;
+		ttm_bo_reserve(&vbo->base, false, false, false, NULL);
+		vmw_bo_pin_reserved(vbo, false);
+		ttm_bo_unreserve(&vbo->base);
+	}
+	vmw_resource_unreserve(res, false, NULL, 0UL);
+	mutex_unlock(&dev_priv->cmdbuf_mutex);
+	ttm_read_unlock(&dev_priv->reservation_sem);
+}
+/**
+ * vmw_res_type - Return the resource type
+ *
+ * @res: Pointer to the resource
+ */
+enum vmw_res_type vmw_res_type(const struct vmw_resource *res)
+{
+	return res->func->res_type;

Subversion Repositories Kolibri OS

(root)/drivers/video/drm/vmwgfx/vmwgfx_resource.c – Rev 5078 → 6296