BACKPORT: drm/fence: add drm_crtc_create_fence()
Instead of dealing with crtc details inside drm_atomic.c we should
just export a function that creates a new crtc fence for us and
use that.
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1481046437-18778-1-git-send-email-gustavo@padovan.org
(cherry picked from commit 35f8cc3b9a92c661e5331d64fdfdedb518891d5c)
Signed-off-by: Marissa Wall <marissaw@google.com>
Change-Id: Ia127dc391cb0b6e8adb283a12009466f86e9df1b
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 320b4e7..149c599 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1708,20 +1708,6 @@
* helpers and for the DRM event handling for existing userspace.
*/
-static struct fence *get_crtc_fence(struct drm_crtc *crtc)
-{
- struct fence *fence;
-
- fence = kzalloc(sizeof(*fence), GFP_KERNEL);
- if (!fence)
- return NULL;
-
- fence_init(fence, &drm_crtc_fence_ops, &crtc->fence_lock,
- crtc->fence_context, ++crtc->fence_seqno);
-
- return fence;
-}
-
struct drm_out_fence_state {
s64 __user *out_fence_ptr;
struct sync_file *sync_file;
@@ -1803,7 +1789,7 @@
f[*num_fences].out_fence_ptr = fence_ptr;
*fence_state = f;
- fence = get_crtc_fence(crtc);
+ fence = drm_crtc_create_fence(crtc);
if (!fence)
return -ENOMEM;