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Subject[PATCH] venus: venc: Add VIDIOC_TRY_ENCODER_CMD support
Date
V4L2_ENC_CMD_STOP and V4L2_ENC_CMD_START are already
supported. Add a way to query for support.

---
drivers/media/platform/qcom/venus/venc.c | 26 ++++++++++++++++++++++++
1 file changed, 26 insertions(+)

diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index 2ddfeddf98514..e05db3c4bfb24 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -507,6 +507,27 @@ static int venc_enum_frameintervals(struct file *file, void *fh,
return 0;
}

+static int
+venc_try_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *cmd)
+{
+ struct venus_inst *inst = to_inst(file);
+ struct device *dev = inst->core->dev_dec;
+
+ switch (cmd->cmd) {
+ case V4L2_ENC_CMD_STOP:
+ case V4L2_ENC_CMD_START:
+ if (cmd->flags != 0) {
+ dev_dbg(dev, "flags=%u are not supported", cmd->flags);
+ return -EINVAL;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int
venc_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *cmd)
{
@@ -514,6 +535,10 @@ venc_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *cmd)
struct hfi_frame_data fdata = {0};
int ret = 0;

+ ret = venc_try_encoder_cmd(file, fh, cmd);
+ if (ret < 0)
+ return ret;
+
ret = v4l2_m2m_ioctl_try_encoder_cmd(file, fh, cmd);
if (ret)
return ret;
@@ -575,6 +600,7 @@ static const struct v4l2_ioctl_ops venc_ioctl_ops = {
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
.vidioc_encoder_cmd = venc_encoder_cmd,
+ .vidioc_try_encoder_cmd = venc_try_encoder_cmd,
};

static int venc_set_properties(struct venus_inst *inst)
--
2.29.2.454.gaff20da3a2-goog
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