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staging: sw_sync: Add fill_driver_data support 

Add fill_driver_data support to export fence data to ioctl

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: Add commit message]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Erik Gilling 2013-02-28 16:43:03 -08:00 committed by Greg Kroah-Hartman
parent 79ba1525a9
commit b1489c2704
1 changed files with 14 additions and 0 deletions
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14
drivers/staging/android/sw_sync.c
View File

@ -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,
};