linux-kernel - [PATCH 2/4] venus: venc: Add support for intra-refresh modes

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Message-Id: <20201130090859.25272-3-stanimir.varbanov@linaro.org>
Date:   Mon, 30 Nov 2020 11:08:57 +0200
From:   Stanimir Varbanov <stanimir.varbanov@...aro.org>
To:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Cc:     Ezequiel Garcia <ezequiel@...labora.com>,
        Nicolas Dufresne <nicolas.dufresne@...labora.com>,
        Maheshwar Ajja <majja@...eaurora.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>
Subject: [PATCH 2/4] venus: venc: Add support for intra-refresh modes

Add support for random intra-refresh mode and number of macroblocks.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@...aro.org>
---
 drivers/media/platform/qcom/venus/core.h       |  2 ++
 drivers/media/platform/qcom/venus/venc.c       | 12 ++++++++++++
 drivers/media/platform/qcom/venus/venc_ctrls.c | 10 +++++++++-
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
index 3bc129a4f817..52df8b3ea438 100644
--- a/drivers/media/platform/qcom/venus/core.h
+++ b/drivers/media/platform/qcom/venus/core.h
@@ -242,6 +242,8 @@ struct venc_controls {
 	u32 multi_slice_max_mb;
 
 	u32 header_mode;
+	u32 intra_refresh_mode;
+	u32 intra_refresh_mbs;
 
 	u32 profile;
 	u32 level;
diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index 0bf92cc21f3a..71b525099e45 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -536,6 +536,7 @@ static int venc_set_properties(struct venus_inst *inst)
 	struct hfi_idr_period idrp;
 	struct hfi_quantization quant;
 	struct hfi_quantization_range quant_range;
+	struct hfi_intra_refresh intra_refresh = {};
 	u32 ptype, rate_control, bitrate;
 	int ret;
 
@@ -684,6 +685,17 @@ static int venc_set_properties(struct venus_inst *inst)
 	if (ret)
 		return ret;
 
+	if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
+	    inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
+		ptype = HFI_PROPERTY_PARAM_VENC_INTRA_REFRESH;
+		intra_refresh.mode = ctr->intra_refresh_mode;
+		intra_refresh.cir_mbs = ctr->intra_refresh_mbs;
+
+		ret = hfi_session_set_property(inst, ptype, &intra_refresh);
+		if (ret)
+			return ret;
+	}
+
 	ret = venus_helper_set_profile_level(inst, ctr->profile, ctr->level);
 	if (ret)
 		return ret;
diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c
index 0708b3b89d0c..74b4269e2e9c 100644
--- a/drivers/media/platform/qcom/venus/venc_ctrls.c
+++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
@@ -198,6 +198,10 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
 	case V4L2_CID_MPEG_VIDEO_FRAME_SKIP_MODE:
 		ctr->frame_skip_mode = ctrl->val;
 		break;
+	case V4L2_CID_MPEG_VIDEO_RANDOM_INTRA_REFRESH_MB:
+		ctr->intra_refresh_mbs = ctrl->val;
+		ctr->intra_refresh_mode = HFI_INTRA_REFRESH_RANDOM;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -213,7 +217,7 @@ int venc_ctrl_init(struct venus_inst *inst)
 {
 	int ret;
 
-	ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 33);
+	ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 34);
 	if (ret)
 		return ret;
 
@@ -364,6 +368,10 @@ int venc_ctrl_init(struct venus_inst *inst)
 			       (1 << V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT)),
 			       V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_DISABLED);
 
+	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+			  V4L2_CID_MPEG_VIDEO_RANDOM_INTRA_REFRESH_MB, 0,
+			  ((7680 * 4320) >> 8), 1, 0);
+
 	ret = inst->ctrl_handler.error;
 	if (ret)
 		goto err;
-- 
2.17.1