linux-kernel - [RFC PATCH 4/6] media: rkisp1: Set input configuration to data mode in bypass

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Message-ID: <20251209123136.273938-5-isaac.scott@ideasonboard.com>
Date: Tue,  9 Dec 2025 12:31:34 +0000
From: Isaac Scott <isaac.scott@...asonboard.com>
To: dafna@...tmail.com
Cc: laurent.pinchart@...asonboard.com,
	mchehab@...nel.org,
	heiko@...ech.de,
	linux-media@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Isaac Scott <isaac.scott@...asonboard.com>
Subject: [RFC PATCH 4/6] media: rkisp1: Set input configuration to data mode in bypass

For YUV bypass, we should configure the ISP input to interpret incoming
H/VSYNC signals as data enable / disable. Add this.

Signed-off-by: Isaac Scott <isaac.scott@...asonboard.com>
---
 drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
index 7c844e00808a..716bd7f3c66d 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
@@ -244,6 +244,7 @@ static int rkisp1_config_isp(struct rkisp1_isp *isp,
 	} else if (sink_fmt->pixel_enc == V4L2_PIXEL_ENC_YUV) {
 		acq_mult = 2;
 		if (src_fmt->pixel_enc == V4L2_PIXEL_ENC_YUV) {
+			isp_ctrl = RKISP1_CIF_ISP_CTRL_ISP_MODE_DATA_MODE;
 			rkisp1->in_bypass = true;
 		} else if (mbus_type == V4L2_MBUS_CSI2_DPHY) {
 			isp_ctrl = RKISP1_CIF_ISP_CTRL_ISP_MODE_ITU601;
-- 
2.43.0