From 05b849111c07454fd2f5b074ca7eb56ccdb8828c Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Sat, 28 Sep 2013 11:28:35 -0400 Subject: drm/msm: prime support Signed-off-by: Rob Clark Acked-by: David Brown --- drivers/gpu/drm/msm/msm_gem_prime.c | 56 +++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 drivers/gpu/drm/msm/msm_gem_prime.c (limited to 'drivers/gpu/drm/msm/msm_gem_prime.c') diff --git a/drivers/gpu/drm/msm/msm_gem_prime.c b/drivers/gpu/drm/msm/msm_gem_prime.c new file mode 100644 index 000000000000..d48f9fc5129b --- /dev/null +++ b/drivers/gpu/drm/msm/msm_gem_prime.c @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2013 Red Hat + * Author: Rob Clark + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see . + */ + +#include "msm_drv.h" +#include "msm_gem.h" + + +struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj) +{ + struct msm_gem_object *msm_obj = to_msm_bo(obj); + BUG_ON(!msm_obj->sgt); /* should have already pinned! */ + return msm_obj->sgt; +} + +void *msm_gem_prime_vmap(struct drm_gem_object *obj) +{ + return msm_gem_vaddr(obj); +} + +void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) +{ + /* TODO msm_gem_vunmap() */ +} + +struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev, + size_t size, struct sg_table *sg) +{ + return msm_gem_import(dev, size, sg); +} + +int msm_gem_prime_pin(struct drm_gem_object *obj) +{ + if (!obj->import_attach) + msm_gem_get_pages(obj); + return 0; +} + +void msm_gem_prime_unpin(struct drm_gem_object *obj) +{ + if (!obj->import_attach) + msm_gem_put_pages(obj); +} -- cgit v1.2.3