On Tue, Jul 25, 2017 at 05:33:25PM +0200, Arnd Bergmann wrote:
> We cannot reference priv->fbdev outside of the #ifdef:
>
> drivers/net/virtio_net.c:1881:12: error: 'virtnet_restore_up' defined but not used [-Werror=unused-function]
> static int virtnet_restore_up(struct virtio_device *vdev)
> drivers/net/virtio_net.c:1859:13: error: 'virtnet_freeze_down' defined but not used [-Werror=unused-function]
> static void virtnet_freeze_down(struct virtio_device *vdev)
>
> Since the code is moved into the main probe function now, this
> adds another #ifdef.
>
> Fixes: b4dd9f1ffaba ("drm/hisilicon: Remove custom FB helper deferred setup")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Thanks for catching this.
> ---
> drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
> index 1178341c3858..d48102d1a7a4 100644
> --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
> +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
> @@ -121,6 +121,7 @@ static int kirin_drm_kms_init(struct drm_device *dev)
> /* init kms poll for handling hpd */
> drm_kms_helper_poll_init(dev);
>
> +#ifdef CONFIG_DRM_FBDEV_EMULATION
> priv->fbdev = drm_fbdev_cma_init(dev, 32,
> dev->mode_config.num_connector);
> if (IS_ERR(priv->fbdev)) {
> @@ -128,11 +129,13 @@ static int kirin_drm_kms_init(struct drm_device *dev)
> ret = PTR_ERR(priv->fbdev);
> goto err_cleanup_poll;
> }
> -
> +#endif
Could we instead stop compling out priv->fbdev? There's nothing
driver-specific here, so teh #ifdef are kinda annoying ... And saving that
one pointer in a really huge structure is somewhat silly.
> return 0;
>
> +#ifdef CONFIG_DRM_FBDEV_EMULATION
> err_cleanup_poll:
> drm_kms_helper_poll_fini(dev);
poll helpers aren't fbdev specific. Why do we need this? Is this just to
shut up gcc?
Thanks, Daniel
> +#endif
> err_unbind_all:
> component_unbind_all(dev->dev, dev);
> err_dc_cleanup:
> --
> 2.9.0
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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