From: Malathi Gottam <mgottam@codeaurora.org>
Date: Fri, 2 Nov 2018 12:41:16 +0000 (-0400)
Subject: media: venus: dynamic handling of bitrate
X-Git-Tag: for-4.21~64^2~136
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=61df5aa325fec4f54ee5d27c086ed6e729213ce7;p=uclinux-h8%2Flinux.git

media: venus: dynamic handling of bitrate

Any request for a change in bitrate after both planes
are streamed on is handled by setting the target bitrate
property to hardware.

Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
---

diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c
index e6a43e934a05..89e655bc6d62 100644
--- a/drivers/media/platform/qcom/venus/venc_ctrls.c
+++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
@@ -79,7 +79,9 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
 {
 	struct venus_inst *inst = ctrl_to_inst(ctrl);
 	struct venc_controls *ctr = &inst->controls.enc;
+	struct hfi_bitrate brate;
 	u32 bframes;
+	u32 ptype;
 	int ret;
 
 	switch (ctrl->id) {
@@ -88,6 +90,19 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
 		break;
 	case V4L2_CID_MPEG_VIDEO_BITRATE:
 		ctr->bitrate = ctrl->val;
+		mutex_lock(&inst->lock);
+		if (inst->streamon_out && inst->streamon_cap) {
+			ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
+			brate.bitrate = ctr->bitrate;
+			brate.layer_id = 0;
+
+			ret = hfi_session_set_property(inst, ptype, &brate);
+			if (ret) {
+				mutex_unlock(&inst->lock);
+				return ret;
+			}
+		}
+		mutex_unlock(&inst->lock);
 		break;
 	case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
 		ctr->bitrate_peak = ctrl->val;