staging: sync: Improve timeout dump messages

Improve the output of the timeout dumps, including
the fence pointer.

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: Erik Gilling <konkers@android.com>
[jstultz: Added commit message]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c
index d54fa8dd5341b7acf92a46f80adc5a7d434691c9..92cdfe8031d1772d742b7b317453e30ef0dac091 100644 (file)
--- a/drivers/staging/android/sync.c
+++ b/drivers/staging/android/sync.c
@@ -576,6 +576,8 @@ int sync_fence_wait(struct sync_fence *fence, long timeout)
                return fence->status;
 
        if (fence->status == 0) {
+               pr_info("fence timeout on [%p] after %dms\n", fence,
+                       jiffies_to_msecs(timeout));
                sync_dump();
                return -ETIME;
        }
@@ -849,7 +851,8 @@ static void sync_print_fence(struct seq_file *s, struct sync_fence *fence)
        struct list_head *pos;
        unsigned long flags;
 
-       seq_printf(s, "%s: %s\n", fence->name, sync_status_str(fence->status));
+       seq_printf(s, "[%p] %s: %s\n", fence, fence->name,
+                  sync_status_str(fence->status));
 
        list_for_each(pos, &fence->pt_list_head) {
                struct sync_pt *pt =