Commit 737d6e33 authored by Tomeu Vizoso's avatar Tomeu Vizoso Committed by Sean Paul
Browse files

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: default avatarTomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: default avatarSean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170303133936.14964-4-tomeu.vizoso@collabora.com
parent 79c1da7c

drivers/gpu/drm/bridge/analogix/analogix_dp_core.c

+22 −0
Original line number Diff line number Diff line
@@ -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");

include/drm/bridge/analogix_dp.h

+3 −0
Original line number Diff line number Diff line
@@ -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_ */

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