From eee9b52e5e9024abd7fc9e5a71230218cbc9db93 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Tue, 5 Jul 2011 15:37:16 +0100 Subject: gma500: Move our other GEM helper into the bits want to push into GEM Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/staging/gma500/gem_glue.c | 54 +++++++++++++++++++++++++++++++++++++ drivers/staging/gma500/gem_glue.h | 2 +- drivers/staging/gma500/psb_gem.c | 56 +-------------------------------------- 3 files changed, 56 insertions(+), 56 deletions(-) (limited to 'drivers/staging/gma500') diff --git a/drivers/staging/gma500/gem_glue.c b/drivers/staging/gma500/gem_glue.c index 08174973008c..0e7364ba1d4b 100644 --- a/drivers/staging/gma500/gem_glue.c +++ b/drivers/staging/gma500/gem_glue.c @@ -45,3 +45,57 @@ void drm_gem_object_release_wrap(struct drm_gem_object *obj) if (obj->filp) drm_gem_object_release(obj); } + +/** + * gem_create_mmap_offset - invent an mmap offset + * @obj: our object + * + * Standard implementation of offset generation for mmap as is + * duplicated in several drivers. This belongs in GEM. + */ +int gem_create_mmap_offset(struct drm_gem_object *obj) +{ + struct drm_device *dev = obj->dev; + struct drm_gem_mm *mm = dev->mm_private; + struct drm_map_list *list; + struct drm_local_map *map; + int ret; + + list = &obj->map_list; + list->map = kzalloc(sizeof(struct drm_map_list), GFP_KERNEL); + if (list->map == NULL) + return -ENOMEM; + map = list->map; + map->type = _DRM_GEM; + map->size = obj->size; + map->handle = obj; + + list->file_offset_node = drm_mm_search_free(&mm->offset_manager, + obj->size / PAGE_SIZE, 0, 0); + if (!list->file_offset_node) { + dev_err(dev->dev, "failed to allocate offset for bo %d\n", + obj->name); + ret = -ENOSPC; + goto free_it; + } + list->file_offset_node = drm_mm_get_block(list->file_offset_node, + obj->size / PAGE_SIZE, 0); + if (!list->file_offset_node) { + ret = -ENOMEM; + goto free_it; + } + list->hash.key = list->file_offset_node->start; + ret = drm_ht_insert_item(&mm->offset_hash, &list->hash); + if (ret) { + dev_err(dev->dev, "failed to add to map hash\n"); + goto free_mm; + } + return 0; + +free_mm: + drm_mm_put_block(list->file_offset_node); +free_it: + kfree(list->map); + list->map = NULL; + return ret; +} diff --git a/drivers/staging/gma500/gem_glue.h b/drivers/staging/gma500/gem_glue.h index c38285b0c839..a0f2bc4e4ae7 100644 --- a/drivers/staging/gma500/gem_glue.h +++ b/drivers/staging/gma500/gem_glue.h @@ -1,4 +1,4 @@ extern void drm_gem_object_release_wrap(struct drm_gem_object *obj); extern int drm_gem_private_object_init(struct drm_device *dev, struct drm_gem_object *obj, size_t size); - +extern int gem_create_mmap_offset(struct drm_gem_object *obj); diff --git a/drivers/staging/gma500/psb_gem.c b/drivers/staging/gma500/psb_gem.c index 3f658e442ab1..1e7faaeee14c 100644 --- a/drivers/staging/gma500/psb_gem.c +++ b/drivers/staging/gma500/psb_gem.c @@ -60,60 +60,6 @@ int psb_gem_get_aperture(struct drm_device *dev, void *data, return -EINVAL; } -/** - * psb_gem_create_mmap_offset - invent an mmap offset - * @obj: our object - * - * This is basically doing by hand a pile of ugly crap which should - * be done automatically by the GEM library code but isn't - */ -static int psb_gem_create_mmap_offset(struct drm_gem_object *obj) -{ - struct drm_device *dev = obj->dev; - struct drm_gem_mm *mm = dev->mm_private; - struct drm_map_list *list; - struct drm_local_map *map; - int ret; - - list = &obj->map_list; - list->map = kzalloc(sizeof(struct drm_map_list), GFP_KERNEL); - if (list->map == NULL) - return -ENOMEM; - map = list->map; - map->type = _DRM_GEM; - map->size = obj->size; - map->handle = obj; - - list->file_offset_node = drm_mm_search_free(&mm->offset_manager, - obj->size / PAGE_SIZE, 0, 0); - if (!list->file_offset_node) { - dev_err(dev->dev, "failed to allocate offset for bo %d\n", - obj->name); - ret = -ENOSPC; - goto free_it; - } - list->file_offset_node = drm_mm_get_block(list->file_offset_node, - obj->size / PAGE_SIZE, 0); - if (!list->file_offset_node) { - ret = -ENOMEM; - goto free_it; - } - list->hash.key = list->file_offset_node->start; - ret = drm_ht_insert_item(&mm->offset_hash, &list->hash); - if (ret) { - dev_err(dev->dev, "failed to add to map hash\n"); - goto free_mm; - } - return 0; - -free_mm: - drm_mm_put_block(list->file_offset_node); -free_it: - kfree(list->map); - list->map = NULL; - return ret; -} - /** * psb_gem_dumb_map_gtt - buffer mapping for dumb interface * @file: our drm client file @@ -144,7 +90,7 @@ int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev, /* Make it mmapable */ if (!obj->map_list.map) { - ret = psb_gem_create_mmap_offset(obj); + ret = gem_create_mmap_offset(obj); if (ret) goto out; } -- cgit v1.2.3-55-g7522