[PATCH 4/4] drm/hisilicon: Remove custom FB helper deferred setup

[Thierry Reding]

From: Thierry Reding <treding at nvidia.com>

The FB helper core now supports deferred setup, so the driver's custom
implementation can be removed.

Cc: Xinliang Liu <z.liuxinliang at hisilicon.com>
Cc: Xinwei Kong <kong.kongxinwei at hisilicon.com>
Cc: Chen Feng <puck.chen at hisilicon.com>
Signed-off-by: Thierry Reding <treding at nvidia.com>
---
Compile-tested only.

 drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
index 3f94785fbcca..0e0bd77e4499 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
@@ -54,15 +54,7 @@ static void kirin_fbdev_output_poll_changed(struct drm_device *dev)
 {
 	struct kirin_drm_private *priv = dev->dev_private;
 
-	if (priv->fbdev) {
-		drm_fbdev_cma_hotplug_event(priv->fbdev);
-	} else {
-		priv->fbdev = drm_fbdev_cma_init(dev, 32,
-				dev->mode_config.num_crtc,
-				dev->mode_config.num_connector);
-		if (IS_ERR(priv->fbdev))
-			priv->fbdev = NULL;
-	}
+	drm_fbdev_cma_hotplug_event(priv->fbdev);
 }
 #endif
 
@@ -129,11 +121,19 @@ static int kirin_drm_kms_init(struct drm_device *dev)
 	/* init kms poll for handling hpd */
 	drm_kms_helper_poll_init(dev);
 
-	/* force detection after connectors init */
-	(void)drm_helper_hpd_irq_event(dev);
+	priv->fbdev = drm_fbdev_cma_init(dev, 32, dev->mode_config.num_crtc,
+					 dev->mode_config.num_connector);
+	if (IS_ERR(priv->fbdev)) {
+		DRM_ERROR("failed to initialize fbdev.\n");
+		ret = PTR_ERR(priv->fbdev);
+		goto err_cleanup_poll;
+	}
 
 	return 0;
 
+err_cleanup_poll:
+	drm_kms_helper_poll_fini(dev);
+	drm_vblank_cleanup(dev);
 err_unbind_all:
 	component_unbind_all(dev->dev, dev);
 err_dc_cleanup:
-- 
2.8.3