From: Erik Gilling <konkers@xxxxxxxxxxx>
Add fill_driver_data support to export fence data to ioctl
Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx>
Cc: Erik Gilling <konkers@xxxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Rob Clark <robclark@xxxxxxxxx>
Cc: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
Cc: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: Android Kernel Team <kernel-team@xxxxxxxxxxx>
Signed-off-by: Erik Gilling <konkers@xxxxxxxxxxx>
[jstultz: Add commit message]
Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
---
drivers/staging/android/sw_sync.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/staging/android/sw_sync.c b/drivers/staging/android/sw_sync.c
index 64c5ebb..081e4d1 100644
--- a/drivers/staging/android/sw_sync.c
+++ b/drivers/staging/android/sw_sync.c
@@ -87,6 +87,19 @@ static void sw_sync_print_pt(struct seq_file *s, struct sync_pt *sync_pt)
seq_printf(s, "%d / %d", pt->value, obj->value);
}
+static int sw_sync_fill_driver_data(struct sync_pt *sync_pt,
+ void *data, int size)
+{
+ struct sw_sync_pt *pt = (struct sw_sync_pt *)sync_pt;
+
+ if (size < sizeof(pt->value))
+ return -ENOMEM;
+
+ memcpy(data, &pt->value, sizeof(pt->value));
+
+ return sizeof(pt->value);
+}
+
struct sync_timeline_ops sw_sync_timeline_ops = {
.driver_name = "sw_sync",
.dup = sw_sync_pt_dup,
@@ -94,6 +107,7 @@ struct sync_timeline_ops sw_sync_timeline_ops = {
.compare = sw_sync_pt_compare,
.print_obj = sw_sync_print_obj,
.print_pt = sw_sync_print_pt,
+ .fill_driver_data = sw_sync_fill_driver_data,
};
--
1.7.10.4
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