From b1489c2704b3db72ff37ecabe054926176e88e50 Mon Sep 17 00:00:00 2001 From: Erik Gilling Date: Thu, 28 Feb 2013 16:43:03 -0800 Subject: [PATCH] staging: sw_sync: Add fill_driver_data support Add fill_driver_data support to export fence data to ioctl Cc: Maarten Lankhorst Cc: Erik Gilling Cc: Daniel Vetter Cc: Rob Clark Cc: Sumit Semwal Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team Signed-off-by: Erik Gilling [jstultz: Add commit message] Signed-off-by: John Stultz Signed-off-by: Greg Kroah-Hartman --- 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 64c5ebbbb1a0..081e4d188fe9 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, }; -- 2.30.2