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Commit 5378717f authored by Karthik Jayakumar's avatar Karthik Jayakumar Committed by Sridhar Gujje
Browse files

msm: camera: sync: Dump fence info in case of fence exhaust 



Add error message in case of fence exhaust.
Add support to dump fence table in case of fence exhaust.

CRs-Fixed: 2556458
Change-Id: I9910a04c69b54fe99541524b6581fa9994fd523f
Signed-off-by: default avatarKarthik Jayakumar <kjayakum@codeaurora.org>
parent 9857d65d

drivers/cam_sync/cam_sync.c

+24 −1
Original line number Diff line number Diff line
@@ -25,6 +25,24 @@ struct sync_device *sync_dev; 
 */

static bool trigger_cb_without_switch;



static void cam_sync_print_fence_table(void)

{

	int idx;



	for (idx = 0; idx < CAM_SYNC_MAX_OBJS; idx++) {

		spin_lock_bh(&sync_dev->row_spinlocks[idx]);

		CAM_INFO(CAM_SYNC,

			"index[%u]: sync_id=%d, name=%s, type=%d, state=%d, ref_cnt=%d",

			idx,

			sync_dev->sync_table[idx].sync_id,

			sync_dev->sync_table[idx].name,

			sync_dev->sync_table[idx].type,

			sync_dev->sync_table[idx].state,

			sync_dev->sync_table[idx].ref_cnt);

		spin_unlock_bh(&sync_dev->row_spinlocks[idx]);

	}

}



int cam_sync_create(int32_t *sync_obj, const char *name)

{

	int rc;
@@ -33,8 +51,13 @@ int cam_sync_create(int32_t *sync_obj, const char *name) 


	do {

		idx = find_first_zero_bit(sync_dev->bitmap, CAM_SYNC_MAX_OBJS);

		if (idx >= CAM_SYNC_MAX_OBJS)

		if (idx >= CAM_SYNC_MAX_OBJS) {

			CAM_ERR(CAM_SYNC,

				"Error: Unable to create sync idx = %d reached max!",

				idx);

			cam_sync_print_fence_table();

			return -ENOMEM;

		}

		CAM_DBG(CAM_SYNC, "Index location available at idx: %ld", idx);

		bit = test_and_set_bit(idx, sync_dev->bitmap);

	} while (bit);