Merge tag 'media/v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - addition of a maintainer's profile for the media subsystem

 - addition of i.MX8 IP support

 - qcom/camss gained support for hardware version Titan 170

 - new RC keymaps

 - Lots of other improvements, cleanups and bug fixes

* tag 'media/v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (488 commits)
  media: coda: fix macroblocks count control usage
  media: rkisp1: params: fix wrong bits settings
  media: cedrus: Fix H265 status definitions
  media: meson-ge2d: fix rotation parameters
  media: v4l2-ctrls: fix reference to freed memory
  media: venus : hfi: add venus image info into smem
  media: venus: Fix internal buffer size calculations for v6.
  media: venus: helpers: keep max bandwidth when mbps exceeds the supported range
  media: venus: fix hw overload error log condition
  media: venus: core: correct firmware name for sm8250
  media: venus: core,pm: fix potential infinite loop
  media: venus: core: Fix kerneldoc warnings
  media: gscpa/stv06xx: fix memory leak
  media: cx25821: remove unused including <linux/version.h>
  media: staging: media/meson: remove redundant dev_err call
  media: adv7842: support 1 block EDIDs, fix clearing EDID
  media: adv7842: configure all pads
  media: allegro: change kernel-doc comment blocks to normal comments
  media: camss: ispif: Remove redundant dev_err call in msm_ispif_subdev_init()
  media: i2c: rdamc21: Fix warning on u8 cast
  ...

1 files changed, 14 insertions, 2 deletions

diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index a6bb7d9bf75f..53025c8c7531 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -691,6 +691,8 @@ static int isp_pipeline_enable(struct isp_pipeline *pipe,
 
 	pipe->do_propagation = false;
 
+	mutex_lock(&isp->media_dev.graph_mutex);
+
 	entity = &pipe->output->video.entity;
 	while (1) {
 		pad = &entity->pads[0];
@@ -705,8 +707,10 @@ static int isp_pipeline_enable(struct isp_pipeline *pipe,
 		subdev = media_entity_to_v4l2_subdev(entity);
 
 		ret = v4l2_subdev_call(subdev, video, s_stream, mode);
-		if (ret < 0 && ret != -ENOIOCTLCMD)
+		if (ret < 0 && ret != -ENOIOCTLCMD) {
+			mutex_unlock(&isp->media_dev.graph_mutex);
 			return ret;
+		}
 
 		if (subdev == &isp->isp_ccdc.subdev) {
 			v4l2_subdev_call(&isp->isp_aewb.subdev, video,
@@ -723,6 +727,8 @@ static int isp_pipeline_enable(struct isp_pipeline *pipe,
 			break;
 	}
 
+	mutex_unlock(&isp->media_dev.graph_mutex);
+
 	return 0;
 }
 
@@ -2028,6 +2034,8 @@ static int isp_subdev_notifier_complete(struct v4l2_async_notifier *async)
 	struct v4l2_subdev *sd;
 	int ret;
 
+	mutex_lock(&isp->media_dev.graph_mutex);
+
 	ret = media_entity_enum_init(&isp->crashed, &isp->media_dev);
 	if (ret)
 		return ret;
@@ -2038,10 +2046,14 @@ static int isp_subdev_notifier_complete(struct v4l2_async_notifier *async)
 
 		ret = isp_link_entity(isp, &sd->entity,
 				      v4l2_subdev_to_bus_cfg(sd)->interface);
-		if (ret < 0)
+		if (ret < 0) {
+			mutex_unlock(&isp->media_dev.graph_mutex);
 			return ret;
+		}
 	}
 
+	mutex_unlock(&isp->media_dev.graph_mutex);
+
 	ret = v4l2_device_register_subdev_nodes(&isp->v4l2_dev);
 	if (ret < 0)
 		return ret;