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Commit 97a84843 authored by Erik Gilling's avatar Erik Gilling Committed by Greg Kroah-Hartman
Browse files

staging: sync: Add timestamps to sync_pts 



Add ktime timestamps to sync_pt structure and
update them when signaled

Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: Erik Gilling <konkers@android.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Rob Clark <robclark@gmail.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: dri-devel@lists.freedesktop.org
Cc: Android Kernel Team <kernel-team@android.com>
Signed-off-by: default avatarErik Gilling <konkers@android.com>
[jstultz: Added commit message]
Signed-off-by: default avatarJohn Stultz <john.stultz@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9d1906e6

drivers/staging/android/sync.c

+5 −0
Original line number Diff line number Diff line
@@ -155,12 +155,17 @@ void sync_pt_free(struct sync_pt *pt) 
/* call with pt->parent->active_list_lock held */

static int _sync_pt_has_signaled(struct sync_pt *pt)

{

	int old_status = pt->status;



	if (!pt->status)

		pt->status = pt->parent->ops->has_signaled(pt);



	if (!pt->status && pt->parent->destroyed)

		pt->status = -ENOENT;



	if (pt->status != old_status)

		pt->timestamp = ktime_get();



	return pt->status;

}

drivers/staging/android/sync.h

+5 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/types.h>

#ifdef __KERNEL__



#include <linux/ktime.h>

#include <linux/list.h>

#include <linux/spinlock.h>

#include <linux/wait.h>
@@ -90,6 +91,8 @@ struct sync_timeline { 
 * @fence:		sync_fence to which the sync_pt belongs

 * @pt_list:		membership in sync_fence.pt_list_head

 * @status:		1: signaled, 0:active, <0: error

 * @timestamp:		time which sync_pt status transitioned from active to

 *			  singaled or error.

 */

struct sync_pt {

	struct sync_timeline		*parent;
@@ -102,6 +105,8 @@ struct sync_pt { 


	/* protected by parent->active_list_lock */

	int			status;



	ktime_t			timestamp;

};



/**