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Commit ef6b1f5c authored by Fuad Hossain's avatar Fuad Hossain Committed by Gerrit - the friendly Code Review server
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drm/msm/dp: maintain the connector to encoder link during suspend/resume 



Avoid disconnecting the connector to encoder link
during suspend in order to maintain the same
connector to encoder state during the resume.

CRs-Fixed: 2327801
Change-Id: I2164c3a9b0e2ecc14c3bb12a53e5da3b2f259212
Signed-off-by: default avatarFuad Hossain <fhossain@codeaurora.org>
parent 9c97fa17

drivers/gpu/drm/msm/dp/dp_mst_drm.c

+7 −4
Original line number Diff line number Diff line
@@ -812,10 +812,13 @@ static void dp_mst_bridge_post_disable(struct drm_bridge *drm_bridge) 
		pr_info("[%d] DP display unprepare failed, rc=%d\n",

		       bridge->id, rc);



	/* maintain the connector to encoder link during suspend/resume */

	if (mst->state != PM_SUSPEND) {

		/* Disconnect the connector and panel info from bridge */

		mst->mst_bridge[bridge->id].connector = NULL;

		mst->mst_bridge[bridge->id].dp_panel = NULL;

		mst->mst_bridge[bridge->id].encoder_active_sts = false;

	}



	DP_MST_DEBUG("mst bridge [%d] post disable complete\n", bridge->id);

}