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Date: Fri, 3 Mar 2017 14:39:35 +0100
From: Tomeu Vizoso <tomeu.vizoso@...labora.com>
To: linux-kernel@...r.kernel.org
Cc: Ville Syrjälä
<ville.syrjala@...ux.intel.com>, Sean Paul <seanpaul@...omium.org>,
Thierry Reding <thierry.reding@...il.com>,
intel-gfx-trybot@...ts.freedesktop.org,
Emil Velikov <emil.l.velikov@...il.com>,
Daniel Vetter <daniel.vetter@...el.com>,
Benjamin Gaignard <benjamin.gaignard@...aro.org>,
Tomeu Vizoso <tomeu.vizoso@...labora.com>,
Archit Taneja <architt@...eaurora.org>,
David Airlie <airlied@...ux.ie>,
dri-devel@...ts.freedesktop.org
Subject: [PATCH v6 3/4] drm/bridge: analogix_dp: add helpers for capture of frame CRCs
Add two simple functions that just take the drm_dp_aux from our struct
and calls the corresponding DP helpers with it.
v6: Pass to the DP helper the drm_crtc of the current connector (Sean Paul)
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
---
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 22 ++++++++++++++++++++++
include/drm/bridge/analogix_dp.h | 3 +++
2 files changed, 25 insertions(+)
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index e7cd1056ff2d..c26997afd3cf 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1488,6 +1488,28 @@ 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);
+
+ if (!connector->state->crtc) {
+ DRM_ERROR("Connector %s doesn't currently have a CRTC.\n",
+ connector->name);
+ return -EINVAL;
+ }
+
+ return drm_dp_start_crc(&dp->aux, connector->state->crtc);
+}
+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@...sung.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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