[Intel-gfx] [PATCH RESEND 18/20] drm/vgem: Move get_pages to gem_create

[Daniel Vetter]

vgem doesn't have a shrinker or anything like that and drops backing
storage only at object_free time. There's no use in trying to be
clever and allocating backing storage delayed, it only causes trouble
by requiring locking.

Instead grab pages when we allocate the object right away.

Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
---
 drivers/gpu/drm/vgem/vgem_drv.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index 63026d4324ad..1a609347236b 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -154,6 +154,10 @@ static struct drm_gem_object *vgem_gem_create(struct drm_device *dev,
 	if (err)
 		goto out;
 
+	ret = vgem_gem_get_pages(to_vgem_bo(obj));
+	if (ret)
+		goto out;
+
 	err = drm_gem_handle_create(file, gem_object, handle);
 	if (err)
 		goto handle_out;
@@ -216,16 +220,8 @@ int vgem_gem_dumb_map(struct drm_file *file, struct drm_device *dev,
 
 	obj->filp->private_data = obj;
 
-	ret = vgem_gem_get_pages(to_vgem_bo(obj));
-	if (ret)
-		goto fail_get_pages;
-
 	*offset = drm_vma_node_offset_addr(&obj->vma_node);
 
-	goto unref;
-
-fail_get_pages:
-	drm_gem_free_mmap_offset(obj);
 unref:
 	drm_gem_object_unreference(obj);
 unlock:
-- 
2.5.1