On Wed, Mar 29, 2017 at 04:43:58PM +0200, Thierry Reding wrote:
> From: Thierry Reding <treding@xxxxxxxxxx>
>
> The FB helper core now supports deferred setup, so the driver's custom
> implementation can be removed.
>
> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
> ---
> drivers/gpu/drm/exynos/exynos_drm_drv.c | 6 ++++--
> drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 23 -----------------------
> 2 files changed, 4 insertions(+), 25 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
> index 09d3c4c3c858..08f9533ddbe8 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
> @@ -399,8 +399,9 @@ static int exynos_drm_bind(struct device *dev)
> /* init kms poll for handling hpd */
> drm_kms_helper_poll_init(drm);
>
> - /* force connectors detection */
> - drm_helper_hpd_irq_event(drm);
> + ret = exynos_drm_fbdev_init(drm);
> + if (ret)
> + goto err_cleanup_poll;
>
> /* register the DRM device */
> ret = drm_dev_register(drm, 0);
> @@ -411,6 +412,7 @@ static int exynos_drm_bind(struct device *dev)
>
> err_cleanup_fbdev:
> exynos_drm_fbdev_fini(drm);
> +err_cleanup_poll:
> drm_kms_helper_poll_fini(drm);
> exynos_drm_device_subdrv_remove(drm);
> err_cleanup_vblank:
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
> index 641531243e04..e64a1041dd29 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
> @@ -183,24 +183,6 @@ static const struct drm_fb_helper_funcs exynos_drm_fb_helper_funcs = {
> .fb_probe = exynos_drm_fbdev_create,
> };
>
> -static bool exynos_drm_fbdev_is_anything_connected(struct drm_device *dev)
> -{
> - struct drm_connector *connector;
> - bool ret = false;
> -
> - mutex_lock(&dev->mode_config.mutex);
> - list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
> - if (connector->status != connector_status_connected)
> - continue;
> -
> - ret = true;
> - break;
> - }
> - mutex_unlock(&dev->mode_config.mutex);
> -
> - return ret;
> -}
> -
> int exynos_drm_fbdev_init(struct drm_device *dev)
> {
> struct exynos_drm_fbdev *fbdev;
> @@ -211,9 +193,6 @@ int exynos_drm_fbdev_init(struct drm_device *dev)
> if (!dev->mode_config.num_crtc || !dev->mode_config.num_connector)
> return 0;
>
> - if (!exynos_drm_fbdev_is_anything_connected(dev))
> - return 0;
> -
> fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
> if (!fbdev)
> return -ENOMEM;
> @@ -306,6 +285,4 @@ void exynos_drm_output_poll_changed(struct drm_device *dev)
>
> if (fb_helper)
> drm_fb_helper_hotplug_event(fb_helper);
Tiny nit: I think you can remove the above NULL check too. With that:
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> - else
> - exynos_drm_fbdev_init(dev);
> }
> --
> 2.12.0
>
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> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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