diff options
| author | Sergey Senozhatsky <senozhatsky@chromium.org> | 2023-05-26 09:29:34 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-06-09 16:04:59 +0300 |
| commit | 34318b808ef20cdddd4e187ea2df0455936cf61b (patch) | |
| tree | bfee038892bcab04359c0537091e0d829b847a9a /drivers/media/platform/qcom/venus/vdec.c | |
| parent | 08998cf30f66862916b7b21784f0640677415492 (diff) | |
| download | linux-34318b808ef20cdddd4e187ea2df0455936cf61b.tar.xz | |
media: venus: provide ctx queue lock for ioctl synchronization
Video device has to provide a lock so that __video_do_ioctl()
can serialize IOCTL calls. Introduce a dedicated venus_inst
mutex for the purpose of vb2 operations synchronization.
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Reviewed-by: Vikash Garodia <quic_vgarodia@quicinc.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Stanimir Varbanov <stanimir.k.varbanov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/platform/qcom/venus/vdec.c')
| -rw-r--r-- | drivers/media/platform/qcom/venus/vdec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c index 12a2e99508f5..f5676440dd36 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -1643,6 +1643,7 @@ static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, src_vq->allow_zero_bytesused = 1; src_vq->min_buffers_needed = 0; src_vq->dev = inst->core->dev; + src_vq->lock = &inst->ctx_q_lock; ret = vb2_queue_init(src_vq); if (ret) return ret; @@ -1657,6 +1658,7 @@ static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, dst_vq->allow_zero_bytesused = 1; dst_vq->min_buffers_needed = 0; dst_vq->dev = inst->core->dev; + dst_vq->lock = &inst->ctx_q_lock; return vb2_queue_init(dst_vq); } @@ -1675,6 +1677,7 @@ static int vdec_open(struct file *file) INIT_LIST_HEAD(&inst->internalbufs); INIT_LIST_HEAD(&inst->list); mutex_init(&inst->lock); + mutex_init(&inst->ctx_q_lock); inst->core = core; inst->session_type = VIDC_SESSION_TYPE_DEC; @@ -1750,6 +1753,7 @@ static int vdec_close(struct file *file) ida_destroy(&inst->dpb_ids); hfi_session_destroy(inst); mutex_destroy(&inst->lock); + mutex_destroy(&inst->ctx_q_lock); v4l2_fh_del(&inst->fh); v4l2_fh_exit(&inst->fh); |