v4l: vsp1: Fill display list headers without holding dlm spinlock
authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tue, 30 May 2017 00:40:35 +0000 (03:40 +0300)
committerLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Sat, 29 Jul 2017 20:46:55 +0000 (23:46 +0300)
commit1dd48e4876daef834f473e174f80b62938e00c9b
treedb9f208e72137c937e819a1a2e754fe273a1ff0c
parente6742e1021a5cec55fab50a0b115c65217488eda
v4l: vsp1: Fill display list headers without holding dlm spinlock

The display list headers are filled using information from the display
list only. Lower the display list manager spinlock contention by filling
the headers without holding the lock.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/platform/vsp1/vsp1_dl.c