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Subject: [PATCH] drm/komeda: Initialize and enable output polling on Komeda
Thread-Topic: [PATCH] drm/komeda: Initialize and enable output polling on
 Komeda
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Date:   Fri, 2 Aug 2019 08:07:52 +0000
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From: "Lowry Li (Arm Technology China)" <Lowry.Li@arm.com>

Initialize and enable output polling on Komeda.

Changes since v1:
1. Enable the polling before registering the driver;
2. Disable the polling after unregistering the driver.

Changes since v2:
1. If driver register failed, disable the polling.

Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@arm.com>
---
 drivers/gpu/drm/arm/display/komeda/komeda_kms.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/=
drm/arm/display/komeda/komeda_kms.c
index 419a8b0..d50e75f 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
@@ -15,6 +15,7 @@
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_irq.h>
 #include <drm/drm_vblank.h>
+#include <drm/drm_probe_helper.h>
=20
 #include "komeda_dev.h"
 #include "komeda_framebuffer.h"
@@ -315,6 +316,8 @@ struct komeda_kms_dev *komeda_kms_attach(struct komeda_=
dev *mdev)
=20
 	drm->irq_enabled =3D true;
=20
+	drm_kms_helper_poll_init(drm);
+
 	err =3D drm_dev_register(drm, 0);
 	if (err)
 		goto cleanup_mode_config;
@@ -322,6 +325,7 @@ struct komeda_kms_dev *komeda_kms_attach(struct komeda_=
dev *mdev)
 	return kms;
=20
 cleanup_mode_config:
+	drm_kms_helper_poll_fini(drm);
 	drm->irq_enabled =3D false;
 	drm_mode_config_cleanup(drm);
 	komeda_kms_cleanup_private_objs(kms);
@@ -338,6 +342,7 @@ void komeda_kms_detach(struct komeda_kms_dev *kms)
 	drm->irq_enabled =3D false;
 	mdev->funcs->disable_irq(mdev);
 	drm_dev_unregister(drm);
+	drm_kms_helper_poll_fini(drm);
 	component_unbind_all(mdev->dev, drm);
 	komeda_kms_cleanup_private_objs(kms);
 	drm_mode_config_cleanup(drm);
--=20
1.9.1