Use the correct helper and also return early on helper
success rather than on helper failure.

Also explicitly return 0 in the case of no fb.

Signed-off-by: Thomas Hellstrom <[email protected]>
Reported-by: Dan Carpenter <[email protected]>
Reported-by: Daniel Vetter <[email protected]>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 3628a9fe705f..0f7dc9ea2657 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -494,23 +494,23 @@ int vmw_du_cursor_plane_atomic_check(struct drm_plane 
*plane,
                                     struct drm_plane_state *new_state)
 {
        int ret = 0;
+       struct drm_crtc_state *crtc_state = NULL;
        struct vmw_surface *surface = NULL;
        struct drm_framebuffer *fb = new_state->fb;
 
-       struct drm_rect src = drm_plane_state_src(new_state);
-       struct drm_rect dest = drm_plane_state_dest(new_state);
-
        /* Turning off */
        if (!fb)
-               return ret;
+               return 0;
 
-       ret = drm_plane_helper_check_update(plane, new_state->crtc, fb,
-                                           &src, &dest,
-                                           DRM_MODE_ROTATE_0,
-                                           DRM_PLANE_HELPER_NO_SCALING,
-                                           DRM_PLANE_HELPER_NO_SCALING,
-                                           true, true, &new_state->visible);
-       if (!ret)
+       if (new_state->crtc)
+               crtc_state = drm_atomic_get_new_crtc_state(new_state->state,
+                                                          new_state->crtc);
+
+       ret = drm_atomic_helper_check_plane_state(new_state, crtc_state,
+                                                 DRM_PLANE_HELPER_NO_SCALING,
+                                                 DRM_PLANE_HELPER_NO_SCALING,
+                                                 true, true);
+       if (ret)
                return ret;
 
        /* A lot of the code assumes this */
-- 
2.14.3

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