diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c index f3a283e2bbd778a72d20b920fa1328e9f7f7aa75..5d1c4f452ca83a463884893a964d72e2b59fd044 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -986,7 +986,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev, return -EINVAL; } - drm_modeset_acquire_init(&ctx, 0); + drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE); retry: ret = drm_modeset_lock(&crtc->mutex, &ctx); if (ret) @@ -1075,8 +1075,9 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev, crtc->primary->old_fb = NULL; if (ret == -EDEADLK) { - drm_modeset_backoff(&ctx); - goto retry; + ret = drm_modeset_backoff(&ctx); + if (!ret) + goto retry; } drm_modeset_drop_locks(&ctx);