Set .detect_ctx() in struct drm_connector_helper_funcs to the
common helper drm_connector_helper_detect_from_ddc() and enable
polling for the connector. Mgag200 will now test for the monitor's
presence by probing the DDC in regular intervals.

Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
---
 drivers/gpu/drm/mgag200/mgag200_g200.c    | 1 +
 drivers/gpu/drm/mgag200/mgag200_g200eh.c  | 1 +
 drivers/gpu/drm/mgag200/mgag200_g200eh3.c | 1 +
 drivers/gpu/drm/mgag200/mgag200_g200er.c  | 1 +
 drivers/gpu/drm/mgag200/mgag200_g200ev.c  | 1 +
 drivers/gpu/drm/mgag200/mgag200_g200ew3.c | 1 +
 drivers/gpu/drm/mgag200/mgag200_g200se.c  | 1 +
 drivers/gpu/drm/mgag200/mgag200_g200wb.c  | 1 +
 drivers/gpu/drm/mgag200/mgag200_vga.c     | 6 +++++-
 9 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mgag200/mgag200_g200.c 
b/drivers/gpu/drm/mgag200/mgag200_g200.c
index ff467b0f9cbf3..f874e29498409 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200.c
@@ -401,6 +401,7 @@ struct mga_device *mgag200_g200_device_create(struct 
pci_dev *pdev, const struct
                return ERR_PTR(ret);
 
        drm_mode_config_reset(dev);
+       drm_kms_helper_poll_init(dev);
 
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200eh.c 
b/drivers/gpu/drm/mgag200/mgag200_g200eh.c
index 6f31c5249f0b1..52bf49ead5c50 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200eh.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200eh.c
@@ -277,6 +277,7 @@ struct mga_device *mgag200_g200eh_device_create(struct 
pci_dev *pdev, const stru
                return ERR_PTR(ret);
 
        drm_mode_config_reset(dev);
+       drm_kms_helper_poll_init(dev);
 
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200eh3.c 
b/drivers/gpu/drm/mgag200/mgag200_g200eh3.c
index 5befe8da4beb2..e7f89b2a59fd0 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200eh3.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200eh3.c
@@ -182,6 +182,7 @@ struct mga_device *mgag200_g200eh3_device_create(struct 
pci_dev *pdev,
                return ERR_PTR(ret);
 
        drm_mode_config_reset(dev);
+       drm_kms_helper_poll_init(dev);
 
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200er.c 
b/drivers/gpu/drm/mgag200/mgag200_g200er.c
index 55c275180cde2..4e8a1756138d7 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200er.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200er.c
@@ -316,6 +316,7 @@ struct mga_device *mgag200_g200er_device_create(struct 
pci_dev *pdev, const stru
                return ERR_PTR(ret);
 
        drm_mode_config_reset(dev);
+       drm_kms_helper_poll_init(dev);
 
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200ev.c 
b/drivers/gpu/drm/mgag200/mgag200_g200ev.c
index 2466126140db6..d884f3cb0ec79 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200ev.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200ev.c
@@ -321,6 +321,7 @@ struct mga_device *mgag200_g200ev_device_create(struct 
pci_dev *pdev, const stru
                return ERR_PTR(ret);
 
        drm_mode_config_reset(dev);
+       drm_kms_helper_poll_init(dev);
 
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200ew3.c 
b/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
index a52e60609c3de..839401e8b4654 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
@@ -202,6 +202,7 @@ struct mga_device *mgag200_g200ew3_device_create(struct 
pci_dev *pdev,
                return ERR_PTR(ret);
 
        drm_mode_config_reset(dev);
+       drm_kms_helper_poll_init(dev);
 
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200se.c 
b/drivers/gpu/drm/mgag200/mgag200_g200se.c
index 212770acdd477..a824bb8ad5791 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200se.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200se.c
@@ -521,6 +521,7 @@ struct mga_device *mgag200_g200se_device_create(struct 
pci_dev *pdev, const stru
                return ERR_PTR(ret);
 
        drm_mode_config_reset(dev);
+       drm_kms_helper_poll_init(dev);
 
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200wb.c 
b/drivers/gpu/drm/mgag200/mgag200_g200wb.c
index cb6daa0426fbc..835df0f4fc13d 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200wb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200wb.c
@@ -326,6 +326,7 @@ struct mga_device *mgag200_g200wb_device_create(struct 
pci_dev *pdev, const stru
                return ERR_PTR(ret);
 
        drm_mode_config_reset(dev);
+       drm_kms_helper_poll_init(dev);
 
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_vga.c 
b/drivers/gpu/drm/mgag200/mgag200_vga.c
index 6d8982990c2c3..60568f32736dd 100644
--- a/drivers/gpu/drm/mgag200/mgag200_vga.c
+++ b/drivers/gpu/drm/mgag200/mgag200_vga.c
@@ -12,7 +12,8 @@ static const struct drm_encoder_funcs 
mgag200_dac_encoder_funcs = {
 };
 
 static const struct drm_connector_helper_funcs 
mgag200_vga_connector_helper_funcs = {
-       .get_modes = drm_connector_helper_get_modes
+       .get_modes = drm_connector_helper_get_modes,
+       .detect_ctx = drm_connector_helper_detect_from_ddc
 };
 
 static const struct drm_connector_funcs mgag200_vga_connector_funcs = {
@@ -58,6 +59,9 @@ int mgag200_vga_output_init(struct mga_device *mdev)
        }
        drm_connector_helper_add(connector, 
&mgag200_vga_connector_helper_funcs);
 
+       connector->polled = DRM_CONNECTOR_POLL_CONNECT |
+                           DRM_CONNECTOR_POLL_DISCONNECT;
+
        ret = drm_connector_attach_encoder(connector, encoder);
        if (ret) {
                drm_err(dev, "drm_connector_attach_encoder() failed: %d\n", 
ret);
-- 
2.45.2

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