drm/mediatek: Use drm_atomic_helper_wait_for_fences

[sfrench/cifs-2.6.git] / drivers / gpu / drm / mediatek / mtk_drm_fb.c

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_fb.c b/drivers/gpu/drm/mediatek/mtk_drm_fb.c
index 4c3ad7de2d3b45e0dd263d917ec962fc4bc78a00..396ba497986d068981488e33f0930244e6c2ea83 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_drm_fb.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_fb.c
@@ -49,34 +49,6 @@ static struct drm_framebuffer *mtk_drm_framebuffer_init(struct drm_device *dev,
        return fb;
 }
 
-/*
- * Wait for any exclusive fence in fb's gem object's reservation object.
- *
- * Returns -ERESTARTSYS if interrupted, else 0.
- */
-int mtk_fb_wait(struct drm_framebuffer *fb)
-{
-       struct drm_gem_object *gem;
-       struct reservation_object *resv;
-       long ret;
-
-       if (!fb)
-               return 0;
-
-       gem = fb->obj[0];
-       if (!gem || !gem->dma_buf || !gem->dma_buf->resv)
-               return 0;
-
-       resv = gem->dma_buf->resv;
-       ret = reservation_object_wait_timeout_rcu(resv, false, true,
-                                                 MAX_SCHEDULE_TIMEOUT);
-       /* MAX_SCHEDULE_TIMEOUT on success, -ERESTARTSYS if interrupted */
-       if (WARN_ON(ret < 0))
-               return ret;
-
-       return 0;
-}
-
 struct drm_framebuffer *mtk_drm_mode_fb_create(struct drm_device *dev,
                                               struct drm_file *file,
                                               const struct drm_mode_fb_cmd2 *cmd)