diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem_submit.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem_submit.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index eb4bb8b2f3a5..9766f9ae4b7d 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -29,10 +29,11 @@ #define BO_PINNED 0x2000 static struct msm_gem_submit *submit_create(struct drm_device *dev, - struct msm_gpu *gpu, int nr) + struct msm_gpu *gpu, int nr_bos, int nr_cmds) { struct msm_gem_submit *submit; - int sz = sizeof(*submit) + (nr * sizeof(submit->bos[0])); + int sz = sizeof(*submit) + (nr_bos * sizeof(submit->bos[0])) + + (nr_cmds * sizeof(*submit->cmd)); submit = kmalloc(sz, GFP_TEMPORARY | __GFP_NOWARN | __GFP_NORETRY); if (!submit) @@ -42,6 +43,7 @@ static struct msm_gem_submit *submit_create(struct drm_device *dev, submit->gpu = gpu; submit->fence = NULL; submit->pid = get_pid(task_pid(current)); + submit->cmd = (void *)&submit->bos[nr_bos]; /* initially, until copy_from_user() and bo lookup succeeds: */ submit->nr_bos = 0; @@ -279,7 +281,7 @@ static int submit_reloc(struct msm_gem_submit *submit, struct msm_gem_object *ob /* For now, just map the entire thing. Eventually we probably * to do it page-by-page, w/ kmap() if not vmap()d.. */ - ptr = msm_gem_vaddr_locked(&obj->base); + ptr = msm_gem_get_vaddr_locked(&obj->base); if (IS_ERR(ptr)) { ret = PTR_ERR(ptr); @@ -332,6 +334,8 @@ static int submit_reloc(struct msm_gem_submit *submit, struct msm_gem_object *ob last_offset = off; } + msm_gem_put_vaddr_locked(&obj->base); + return 0; } @@ -369,14 +373,15 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, if (args->pipe != MSM_PIPE_3D0) return -EINVAL; - if (args->nr_cmds > MAX_CMDS) - return -EINVAL; - - submit = submit_create(dev, gpu, args->nr_bos); - if (!submit) - return -ENOMEM; + ret = mutex_lock_interruptible(&dev->struct_mutex); + if (ret) + return ret; - mutex_lock(&dev->struct_mutex); + submit = submit_create(dev, gpu, args->nr_bos, args->nr_cmds); + if (!submit) { + ret = -ENOMEM; + goto out_unlock; + } ret = submit_lookup_objects(submit, args, file); if (ret) @@ -462,6 +467,7 @@ out: submit_cleanup(submit); if (ret) msm_gem_submit_free(submit); +out_unlock: mutex_unlock(&dev->struct_mutex); return ret; } |