From: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
To: linux-media@vger.kernel.org
Cc: dafna.hirschfeld@collabora.com, helen.koike@collabora.com,
ezequiel@collabora.com, hverkuil@xs4all.nl, kernel@collabora.com,
dafna3@gmail.com, sakari.ailus@linux.intel.com,
linux-rockchip@lists.infradead.org, mchehab@kernel.org
Subject: [PATCH 4/4] media: staging: rkisp1: add serialization to the resizer subdev ops
Date: Fri, 7 Feb 2020 09:59:51 +0100 [thread overview]
Message-ID: <20200207085951.5226-5-dafna.hirschfeld@collabora.com> (raw)
In-Reply-To: <20200207085951.5226-1-dafna.hirschfeld@collabora.com>
For subdevices drivers, the drivers themself are responsible
for serializing their operations.
This patch adds serialization to the resizer subdevice.
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
---
drivers/staging/media/rkisp1/rkisp1-common.h | 1 +
drivers/staging/media/rkisp1/rkisp1-resizer.c | 16 ++++++++++++++--
2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/media/rkisp1/rkisp1-common.h b/drivers/staging/media/rkisp1/rkisp1-common.h
index 7c668ac4bdd5..18507f5b6f3c 100644
--- a/drivers/staging/media/rkisp1/rkisp1-common.h
+++ b/drivers/staging/media/rkisp1/rkisp1-common.h
@@ -226,6 +226,7 @@ struct rkisp1_resizer {
struct v4l2_subdev_pad_config pad_cfg[RKISP1_ISP_PAD_MAX];
const struct rkisp1_rsz_config *config;
enum rkisp1_fmt_pix_type fmt_type;
+ struct mutex ops_lock;
};
struct rkisp1_debug {
diff --git a/drivers/staging/media/rkisp1/rkisp1-resizer.c b/drivers/staging/media/rkisp1/rkisp1-resizer.c
index 9de6744f0900..87799fbf0363 100644
--- a/drivers/staging/media/rkisp1/rkisp1-resizer.c
+++ b/drivers/staging/media/rkisp1/rkisp1-resizer.c
@@ -562,7 +562,9 @@ static int rkisp1_rsz_get_fmt(struct v4l2_subdev *sd,
struct rkisp1_resizer *rsz =
container_of(sd, struct rkisp1_resizer, sd);
+ mutex_lock(&rsz->ops_lock);
fmt->format = *rkisp1_rsz_get_pad_fmt(rsz, cfg, fmt->pad, fmt->which);
+ mutex_unlock(&rsz->ops_lock);
return 0;
}
@@ -573,11 +575,13 @@ static int rkisp1_rsz_set_fmt(struct v4l2_subdev *sd,
struct rkisp1_resizer *rsz =
container_of(sd, struct rkisp1_resizer, sd);
+ mutex_lock(&rsz->ops_lock);
if (fmt->pad == RKISP1_RSZ_PAD_SINK)
rkisp1_rsz_set_sink_fmt(rsz, cfg, &fmt->format, fmt->which);
else
rkisp1_rsz_set_src_fmt(rsz, cfg, &fmt->format, fmt->which);
+ mutex_unlock(&rsz->ops_lock);
return 0;
}
@@ -588,10 +592,12 @@ static int rkisp1_rsz_get_selection(struct v4l2_subdev *sd,
struct rkisp1_resizer *rsz =
container_of(sd, struct rkisp1_resizer, sd);
struct v4l2_mbus_framefmt *mf_sink;
+ int ret = 0;
if (sel->pad == RKISP1_RSZ_PAD_SRC)
return -EINVAL;
+ mutex_lock(&rsz->ops_lock);
switch (sel->target) {
case V4L2_SEL_TGT_CROP_BOUNDS:
mf_sink = rkisp1_rsz_get_pad_fmt(rsz, cfg, RKISP1_RSZ_PAD_SINK,
@@ -606,10 +612,11 @@ static int rkisp1_rsz_get_selection(struct v4l2_subdev *sd,
sel->which);
break;
default:
- return -EINVAL;
+ ret = -EINVAL;
}
- return 0;
+ mutex_unlock(&rsz->ops_lock);
+ return ret;
}
static int rkisp1_rsz_set_selection(struct v4l2_subdev *sd,
@@ -625,7 +632,9 @@ static int rkisp1_rsz_set_selection(struct v4l2_subdev *sd,
dev_dbg(sd->dev, "%s: pad: %d sel(%d,%d)/%dx%d\n", __func__,
sel->pad, sel->r.left, sel->r.top, sel->r.width, sel->r.height);
+ mutex_lock(&rsz->ops_lock);
rkisp1_rsz_set_sink_crop(rsz, cfg, &sel->r, sel->which);
+ mutex_unlock(&rsz->ops_lock);
return 0;
}
@@ -665,9 +674,11 @@ static int rkisp1_rsz_s_stream(struct v4l2_subdev *sd, int enable)
if (other->is_streaming)
when = RKISP1_SHADOW_REGS_ASYNC;
+ mutex_lock(&rsz->ops_lock);
rkisp1_rsz_config(rsz, when);
rkisp1_dcrop_config(rsz);
+ mutex_unlock(&rsz->ops_lock);
return 0;
}
@@ -713,6 +724,7 @@ static int rkisp1_rsz_register(struct rkisp1_resizer *rsz)
rsz->fmt_type = RKISP1_DEF_FMT_TYPE;
+ mutex_init(&rsz->ops_lock);
ret = media_entity_pads_init(&sd->entity, 2, pads);
if (ret)
return ret;
--
2.17.1
next prev parent reply other threads:[~2020-02-07 9:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-07 8:59 [PATCH 0/4] media: staging: rkisp1: add serialization to the isp and resizer ops Dafna Hirschfeld
2020-02-07 8:59 ` [PATCH 1/4] media: staging: rkisp1: change function to return void instead of int Dafna Hirschfeld
2020-02-07 12:57 ` Helen Koike
2020-02-07 8:59 ` [PATCH 2/4] media: staging: rkisp1: isp: check for dphy bus before initializations in s_stream Dafna Hirschfeld
2020-02-07 12:57 ` Helen Koike
2020-02-07 8:59 ` [PATCH 3/4] media: staging: rkisp1: add serialization to the isp subdev ops Dafna Hirschfeld
2020-02-07 13:54 ` Helen Koike
2020-02-14 9:46 ` Sakari Ailus
2020-02-07 8:59 ` Dafna Hirschfeld [this message]
2020-02-07 13:56 ` [PATCH 4/4] media: staging: rkisp1: add serialization to the resizer " Helen Koike
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