diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c')
-rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c index 1774960d1b89..28ceb749a733 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c @@ -52,11 +52,17 @@ static struct vmwgfx_gmrid_man *to_gmrid_manager(struct ttm_resource_manager *ma static int vmw_gmrid_man_get_node(struct ttm_resource_manager *man, struct ttm_buffer_object *bo, const struct ttm_place *place, - struct ttm_resource *mem) + struct ttm_resource **res) { struct vmwgfx_gmrid_man *gman = to_gmrid_manager(man); int id; + *res = kmalloc(sizeof(**res), GFP_KERNEL); + if (!*res) + return -ENOMEM; + + ttm_resource_init(bo, place, *res); + id = ida_alloc_max(&gman->gmr_ida, gman->max_gmr_ids - 1, GFP_KERNEL); if (id < 0) return id; @@ -64,36 +70,34 @@ static int vmw_gmrid_man_get_node(struct ttm_resource_manager *man, spin_lock(&gman->lock); if (gman->max_gmr_pages > 0) { - gman->used_gmr_pages += mem->num_pages; + gman->used_gmr_pages += (*res)->num_pages; if (unlikely(gman->used_gmr_pages > gman->max_gmr_pages)) goto nospace; } - mem->mm_node = gman; - mem->start = id; + (*res)->start = id; spin_unlock(&gman->lock); return 0; nospace: - gman->used_gmr_pages -= mem->num_pages; + gman->used_gmr_pages -= (*res)->num_pages; spin_unlock(&gman->lock); ida_free(&gman->gmr_ida, id); + kfree(*res); return -ENOSPC; } static void vmw_gmrid_man_put_node(struct ttm_resource_manager *man, - struct ttm_resource *mem) + struct ttm_resource *res) { struct vmwgfx_gmrid_man *gman = to_gmrid_manager(man); - if (mem->mm_node) { - ida_free(&gman->gmr_ida, mem->start); - spin_lock(&gman->lock); - gman->used_gmr_pages -= mem->num_pages; - spin_unlock(&gman->lock); - mem->mm_node = NULL; - } + ida_free(&gman->gmr_ida, res->start); + spin_lock(&gman->lock); + gman->used_gmr_pages -= res->num_pages; + spin_unlock(&gman->lock); + kfree(res); } static const struct ttm_resource_manager_func vmw_gmrid_manager_func; |