drm/exynos: create a fake mmap offset with gem creation

Don't create a fake mmap offset in exynos_drm_gem_dumb_map_offset. If
not, it will call drm_gem_create_mmap_offset whenever user requests
DRM_IOCTL_MODE_MAP_DUMB ioctl.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 5c94863a4ca640ac77732b64cb2e502ff32a5e99..048ad13e5d824df927b44c18b5afac5d7861be9f 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -199,6 +199,13 @@ static struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev,
                return ERR_PTR(ret);
        }
 
+       ret = drm_gem_create_mmap_offset(obj);
+       if (ret < 0) {
+               drm_gem_object_release(obj);
+               kfree(exynos_gem_obj);
+               return ERR_PTR(ret);
+       }
+
        DRM_DEBUG_KMS("created file object = 0x%x\n", (unsigned int)obj->filp);
 
        return exynos_gem_obj;
@@ -445,14 +452,9 @@ int exynos_drm_gem_dumb_map_offset(struct drm_file *file_priv,
                goto unlock;
        }
 
-       ret = drm_gem_create_mmap_offset(obj);
-       if (ret)
-               goto out;
-
        *offset = drm_vma_node_offset_addr(&obj->vma_node);
        DRM_DEBUG_KMS("offset = 0x%lx\n", (unsigned long)*offset);
 
-out:
        drm_gem_object_unreference(obj);
 unlock:
        mutex_unlock(&dev->struct_mutex);