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Subject[PATCH v7 7/9] drm: tegra: use cec_notifier_conn_(un)register
From
Use the new cec_notifier_conn_(un)register() functions to
(un)register the notifier for the HDMI connector, and fill in
the cec_connector_info.

Changes since v4:
- only create a CEC notifier for HDMI connectors

Signed-off-by: Dariusz Marcinkiewicz <darekm@google.com>
Tested-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---
drivers/gpu/drm/tegra/output.c | 28 +++++++++++++++++++++-------
1 file changed, 21 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c
index bdcaa4c7168cf..34373734ff689 100644
--- a/drivers/gpu/drm/tegra/output.c
+++ b/drivers/gpu/drm/tegra/output.c
@@ -70,6 +70,11 @@ tegra_output_connector_detect(struct drm_connector *connector, bool force)

void tegra_output_connector_destroy(struct drm_connector *connector)
{
+ struct tegra_output *output = connector_to_output(connector);
+
+ if (output->cec)
+ cec_notifier_conn_unregister(output->cec);
+
drm_connector_unregister(connector);
drm_connector_cleanup(connector);
}
@@ -163,18 +168,11 @@ int tegra_output_probe(struct tegra_output *output)
disable_irq(output->hpd_irq);
}

- output->cec = cec_notifier_get(output->dev);
- if (!output->cec)
- return -ENOMEM;
-
return 0;
}

void tegra_output_remove(struct tegra_output *output)
{
- if (output->cec)
- cec_notifier_put(output->cec);
-
if (output->hpd_gpio)
free_irq(output->hpd_irq, output);

@@ -184,6 +182,7 @@ void tegra_output_remove(struct tegra_output *output)

int tegra_output_init(struct drm_device *drm, struct tegra_output *output)
{
+ int connector_type;
int err;

if (output->panel) {
@@ -199,6 +198,21 @@ int tegra_output_init(struct drm_device *drm, struct tegra_output *output)
if (output->hpd_gpio)
enable_irq(output->hpd_irq);

+ connector_type = output->connector.connector_type;
+ /*
+ * Create a CEC notifier for HDMI connector.
+ */
+ if (connector_type == DRM_MODE_CONNECTOR_HDMIA ||
+ connector_type == DRM_MODE_CONNECTOR_HDMIB) {
+ struct cec_connector_info conn_info;
+
+ cec_fill_conn_info_from_drm(&conn_info, &output->connector);
+ output->cec = cec_notifier_conn_register(output->dev, NULL,
+ &conn_info);
+ if (!output->cec)
+ return -ENOMEM;
+ }
+
return 0;
}

--
2.23.0.rc1.153.gdeed80330f-goog
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