Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued

[deliverable/linux.git] / drivers / gpu / drm / drm_bufs.c

diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index f1a204d253cce0bfb2616cd4a9b0ebb400e5718c..9b34158c0f77b71a5d27051c281a57fff5895888 100644 (file)
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -396,6 +396,10 @@ int drm_legacy_addmap_ioctl(struct drm_device *dev, void *data,
        if (!(capable(CAP_SYS_ADMIN) || map->type == _DRM_AGP || map->type == _DRM_SHM))
                return -EPERM;
 
+       if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+           drm_core_check_feature(dev, DRIVER_MODESET))
+               return -EINVAL;
+
        err = drm_addmap_core(dev, map->offset, map->size, map->type,
                              map->flags, &maplist);
 
@@ -416,6 +420,62 @@ int drm_legacy_addmap_ioctl(struct drm_device *dev, void *data,
        return 0;
 }
 
+/*
+ * Get a mapping information.
+ *
+ * \param inode device inode.
+ * \param file_priv DRM file private.
+ * \param cmd command.
+ * \param arg user argument, pointing to a drm_map structure.
+ *
+ * \return zero on success or a negative number on failure.
+ *
+ * Searches for the mapping with the specified offset and copies its information
+ * into userspace
+ */
+int drm_legacy_getmap_ioctl(struct drm_device *dev, void *data,
+                           struct drm_file *file_priv)
+{
+       struct drm_map *map = data;
+       struct drm_map_list *r_list = NULL;
+       struct list_head *list;
+       int idx;
+       int i;
+
+       if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+           drm_core_check_feature(dev, DRIVER_MODESET))
+               return -EINVAL;
+
+       idx = map->offset;
+       if (idx < 0)
+               return -EINVAL;
+
+       i = 0;
+       mutex_lock(&dev->struct_mutex);
+       list_for_each(list, &dev->maplist) {
+               if (i == idx) {
+                       r_list = list_entry(list, struct drm_map_list, head);
+                       break;
+               }
+               i++;
+       }
+       if (!r_list || !r_list->map) {
+               mutex_unlock(&dev->struct_mutex);
+               return -EINVAL;
+       }
+
+       map->offset = r_list->map->offset;
+       map->size = r_list->map->size;
+       map->type = r_list->map->type;
+       map->flags = r_list->map->flags;
+       map->handle = (void *)(unsigned long) r_list->user_token;
+       map->mtrr = arch_phys_wc_index(r_list->map->mtrr);
+
+       mutex_unlock(&dev->struct_mutex);
+
+       return 0;
+}
+
 /**
  * Remove a map private from list and deallocate resources if the mapping
  * isn't in use.
@@ -482,18 +542,35 @@ int drm_legacy_rmmap_locked(struct drm_device *dev, struct drm_local_map *map)
 }
 EXPORT_SYMBOL(drm_legacy_rmmap_locked);
 
-int drm_legacy_rmmap(struct drm_device *dev, struct drm_local_map *map)
+void drm_legacy_rmmap(struct drm_device *dev, struct drm_local_map *map)
 {
-       int ret;
+       if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+           drm_core_check_feature(dev, DRIVER_MODESET))
+               return;
 
        mutex_lock(&dev->struct_mutex);
-       ret = drm_legacy_rmmap_locked(dev, map);
+       drm_legacy_rmmap_locked(dev, map);
        mutex_unlock(&dev->struct_mutex);
-
-       return ret;
 }
 EXPORT_SYMBOL(drm_legacy_rmmap);
 
+void drm_legacy_master_rmmaps(struct drm_device *dev, struct drm_master *master)
+{
+       struct drm_map_list *r_list, *list_temp;
+
+       if (drm_core_check_feature(dev, DRIVER_MODESET))
+               return;
+
+       mutex_lock(&dev->struct_mutex);
+       list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head) {
+               if (r_list->master == master) {
+                       drm_legacy_rmmap_locked(dev, r_list->map);
+                       r_list = NULL;
+               }
+       }
+       mutex_unlock(&dev->struct_mutex);
+}
+
 /* The rmmap ioctl appears to be unnecessary.  All mappings are torn down on
  * the last close of the device, and this is necessary for cleanup when things
  * exit uncleanly.  Therefore, having userland manually remove mappings seems
@@ -517,6 +594,10 @@ int drm_legacy_rmmap_ioctl(struct drm_device *dev, void *data,
        struct drm_map_list *r_list;
        int ret;
 
+       if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+           drm_core_check_feature(dev, DRIVER_MODESET))
+               return -EINVAL;
+
        mutex_lock(&dev->struct_mutex);
        list_for_each_entry(r_list, &dev->maplist, head) {
                if (r_list->map &&