1 /* 2 * Copyright (C) 2013 Red Hat 3 * Author: Rob Clark <robdclark@gmail.com> 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 as published by 7 * the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #include "msm_drv.h" 19 #include "msm_gem.h" 20 21 22 struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj) 23 { 24 struct msm_gem_object *msm_obj = to_msm_bo(obj); 25 BUG_ON(!msm_obj->sgt); /* should have already pinned! */ 26 return msm_obj->sgt; 27 } 28 29 void *msm_gem_prime_vmap(struct drm_gem_object *obj) 30 { 31 return msm_gem_vaddr(obj); 32 } 33 34 void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) 35 { 36 /* TODO msm_gem_vunmap() */ 37 } 38 39 struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev, 40 size_t size, struct sg_table *sg) 41 { 42 return msm_gem_import(dev, size, sg); 43 } 44 45 int msm_gem_prime_pin(struct drm_gem_object *obj) 46 { 47 if (!obj->import_attach) 48 msm_gem_get_pages(obj); 49 return 0; 50 } 51 52 void msm_gem_prime_unpin(struct drm_gem_object *obj) 53 { 54 if (!obj->import_attach) 55 msm_gem_put_pages(obj); 56 } 57