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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.

v6: Pass to the DP helper the drm_crtc of the current connector (Sean Paul)

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170303133936.14964-4-tomeu.vizoso@collabora.com
This commit is contained in:
Tomeu Vizoso 2017-03-03 14:39:35 +01:00 committed by Sean Paul
parent 79c1da7c3b
commit 737d6e339f
2 changed files with 25 additions and 0 deletions
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22
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
View file

@ -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@samsung.com>");
MODULE_DESCRIPTION("Analogix DP Core Driver");
MODULE_LICENSE("GPL v2");

3
include/drm/bridge/analogix_dp.h
View file

@ -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_ */