[PATCH 6.0 0395/1073] media: amphion: cancel vpu before release instance

Greg Kroah-Hartman
2022-12-28T15:47:17Z

From: Ming Qian <ming.qian@nxp.com>

[ Upstream commit b3dd974af9de342c733492565ad02d7e23372876 ]

Revert "media: amphion: release m2m ctx when releasing vpu instance"
This reverts commit d91d7bc85062309aae6d8064563ddf17947cb6bc.

Call v4l2_m2m_ctx_release() to cancel vpu,
afterwards release the vpu instance.

Fixes: d91d7bc85062 ("media: amphion: release m2m ctx when releasing vpu instance")
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/media/platform/amphion/vpu_v4l2.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/amphion/vpu_v4l2.c b/drivers/media/platform/amphion/vpu_v4l2.c
index 4b714fab4c6b..a24e2d0e9542 100644
--- a/drivers/media/platform/amphion/vpu_v4l2.c
+++ b/drivers/media/platform/amphion/vpu_v4l2.c
@@ -596,10 +596,6 @@ static int vpu_v4l2_release(struct vpu_inst *inst)
inst->workqueue = NULL;
}

- if (inst->fh.m2m_ctx) {
- v4l2_m2m_ctx_release(inst->fh.m2m_ctx);
- inst->fh.m2m_ctx = NULL;
- }
v4l2_ctrl_handler_free(&inst->ctrl_handler);
mutex_destroy(&inst->lock);
v4l2_fh_del(&inst->fh);
@@ -682,6 +678,13 @@ int vpu_v4l2_close(struct file *file)

vpu_trace(vpu->dev, "tgid = %d, pid = %d, inst = %p\n", inst->tgid, inst->pid, inst);

+ vpu_inst_lock(inst);
+ if (inst->fh.m2m_ctx) {
+ v4l2_m2m_ctx_release(inst->fh.m2m_ctx);
+ inst->fh.m2m_ctx = NULL;
+ }
+ vpu_inst_unlock(inst);
+
call_void_vop(inst, release);
vpu_inst_unregister(inst);
vpu_inst_put(inst);
--
2.35.1