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

Bladeren bron 
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: Karthik Jayakumar <kjayakum@codeaurora.org>
This commit is contained in:
Karthik Jayakumar
2019-10-30 17:54:18 -07:00
bovenliggende f3af79222b
commit 2a7ffe9697
1 gewijzigde bestanden met toevoegingen van 24 en 1 verwijderingen
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25
drivers/cam_sync/cam_sync.c
Bestand weergeven

@@ -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);