linux-kernel - [PATCH 2/7] venus : Addition of control support

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Message-Id: <20220712122347.6781-2-quic_vboma@quicinc.com>
Date:   Tue, 12 Jul 2022 17:53:42 +0530
From:   Viswanath Boma <quic_vboma@...cinc.com>
To:     video.upstream.external@....qualcomm.com,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Viswanath Boma <quic_vboma@...cinc.com>
Subject: [PATCH 2/7] venus : Addition of control support - V4L2_CID_MIN_BUFFERS_FOR_OUTPUT

  V4l2 encoder compliance expecting minimum buffers support for the application to allocate
  buffers as per the control support values.

Change-Id: Idb41ff7dce8b8138f28df01d045eae6facf7e93d
Signed-off-by: Viswanath Boma <quic_vboma@...cinc.com>
---
 drivers/media/platform/qcom/venus/venc_ctrls.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c
index 37ba7d97f99b2..95fdad160732b 100644
--- a/drivers/media/platform/qcom/venus/venc_ctrls.c
+++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
@@ -355,7 +355,7 @@ int venc_ctrl_init(struct venus_inst *inst)
 	struct v4l2_ctrl_hdr10_mastering_display p_hdr10_mastering = { {34000, 13250, 7500 },
 	{ 16000, 34500, 3000 }, 15635,	16450, 10000000, 500 };
 
-	ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 58);
+	ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 59);
 	if (ret)
 		return ret;
 
@@ -435,6 +435,9 @@ int venc_ctrl_init(struct venus_inst *inst)
 		V4L2_MPEG_VIDEO_VP8_PROFILE_3,
 		0, V4L2_MPEG_VIDEO_VP8_PROFILE_0);
 
+	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+		V4L2_CID_MIN_BUFFERS_FOR_OUTPUT, 4, 11, 1, 4);
+
 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 		V4L2_CID_MPEG_VIDEO_BITRATE, BITRATE_MIN, BITRATE_MAX,
 		BITRATE_STEP, BITRATE_DEFAULT);
-- 
2.17.1