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Groups > linux.kernel > #1554346

[PATCH v4 4/5] drm/bridge: analogix_dp: add helpers for capture of frame CRCs

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Add two simple functions that just take the drm_dp_aux from our struct
and calls the corresponding DP helpers with it.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
---

 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 16 ++++++++++++++++
 include/drm/bridge/analogix_dp.h                   |  3 +++
 2 files changed, 19 insertions(+)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 7d45d3e4600a..02f63eb1b887 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1483,6 +1483,22 @@ int analogix_dp_resume(struct device *dev)
 EXPORT_SYMBOL_GPL(analogix_dp_resume);
 #endif
 
+int analogix_dp_start_crc(struct drm_connector *connector)
+{
+	struct analogix_dp_device *dp = to_dp(connector);
+
+	return drm_dp_start_crc(&dp->aux);
+}
+EXPORT_SYMBOL_GPL(analogix_dp_start_crc);
+
+int analogix_dp_stop_crc(struct drm_connector *connector)
+{
+	struct analogix_dp_device *dp = to_dp(connector);
+
+	return drm_dp_stop_crc(&dp->aux);
+}
+EXPORT_SYMBOL_GPL(analogix_dp_stop_crc);
+
 MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>");
 MODULE_DESCRIPTION("Analogix DP Core Driver");
 MODULE_LICENSE("GPL v2");
diff --git a/include/drm/bridge/analogix_dp.h b/include/drm/bridge/analogix_dp.h
index f6f0c062205c..c99d6eaef1ac 100644
--- a/include/drm/bridge/analogix_dp.h
+++ b/include/drm/bridge/analogix_dp.h
@@ -49,4 +49,7 @@ int analogix_dp_bind(struct device *dev, struct drm_device *drm_dev,
 		     struct analogix_dp_plat_data *plat_data);
 void analogix_dp_unbind(struct device *dev, struct device *master, void *data);
 
+int analogix_dp_start_crc(struct drm_connector *connector);
+int analogix_dp_stop_crc(struct drm_connector *connector);
+
 #endif /* _ANALOGIX_DP_H_ */
-- 
2.9.3

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[PATCH v4 0/5] drm/dp: Implement CRC debugfs API Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2017-01-09 14:50 +0100
  [PATCH v4 1/5] drm/dp: add connector backpointer to drm_dp_aux Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2017-01-09 14:50 +0100
  [PATCH v4 3/5] drm/dp: add helpers for capture of frame CRCs Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2017-01-09 14:50 +0100
    Re: [PATCH v4 3/5] drm/dp: add helpers for capture of frame CRCs Sean Paul <seanpaul@chromium.org> - 2017-01-09 17:50 +0100
  [PATCH v4 2/5] drm/bridge: analogix_dp: set connector to drm_dp_aux Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2017-01-09 14:50 +0100
  [PATCH v4 4/5] drm/bridge: analogix_dp: add helpers for capture of frame CRCs Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2017-01-09 14:50 +0100

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