diff options
| author | Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> | 2018-05-18 16:42:00 -0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-05-25 18:43:53 -0400 |
| commit | 2d9445db0ee9d8695ab3dadb614829b70e43b61f (patch) | |
| tree | 9fdee672155cd457e79c5b2b869f53be42780ae4 /drivers/media/platform/vsp1/vsp1_lut.c | |
| parent | 5d7936b8e27dffb528bfb9e155136f2772c288f0 (diff) | |
| download | linux-2d9445db0ee9d8695ab3dadb614829b70e43b61f.tar.bz2 | |
media: vsp1: Use reference counting for bodies
Extend the display list body with a reference count, allowing bodies to
be kept as long as a reference is maintained. This provides the ability
to keep a cached copy of bodies which will not change, so that they can
be re-applied to multiple display lists.
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_lut.c')
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_lut.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_lut.c b/drivers/media/platform/vsp1/vsp1_lut.c index 6b358617ce15..b3ea90172439 100644 --- a/drivers/media/platform/vsp1/vsp1_lut.c +++ b/drivers/media/platform/vsp1/vsp1_lut.c @@ -168,8 +168,13 @@ static void lut_configure(struct vsp1_entity *entity, lut->lut = NULL; spin_unlock_irqrestore(&lut->lock, flags); - if (dlb) + if (dlb) { vsp1_dl_list_add_body(dl, dlb); + + /* Release our local reference. */ + vsp1_dl_body_put(dlb); + } + break; } } |