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Commit c5c17de2 authored by Rajeev Kulkarni's avatar Rajeev Kulkarni Committed by Gerrit - the friendly Code Review server
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msm: kgsl: Do not take active count in snapshot 



Do not take active count in snapshot because it should always be called
with mutex held and power on.

CRs-Fixed: 797064
Change-Id: I6c25e0abfe515a56fbc131e824df1f6e04539724
Signed-off-by: default avatarRajeev Kulkarni <krajeev@codeaurora.org>
parent 168f49e7

drivers/gpu/msm/kgsl_snapshot.c

+2 −9
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -661,13 +661,7 @@ int kgsl_device_snapshot(struct kgsl_device *device, 
		return -ENOMEM;

	}



	/* We need to have the GPU on for the entire snapshotting operation */



	if (kgsl_active_count_get(device)) {

		KGSL_DRV_ERR(device, "snapshot: unable to turn on the GPU\n");

		return -EINVAL;

	}



	BUG_ON(!kgsl_state_is_awake(device));

	/* increment the hang count for good book keeping */

	device->snapshot_faultcount++;
@@ -736,7 +730,6 @@ int kgsl_device_snapshot(struct kgsl_device *device, 
	 */

	queue_work(device->work_queue, &snapshot->work);

done:

	kgsl_active_count_put(device);

	return ret;

}

EXPORT_SYMBOL(kgsl_device_snapshot);