linux-kernel - [PATCH 2/3] media: rcar-vin: Fix RAW8

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Message-Id: <20250324-rcar-fix-raw-v1-2-ae56c1c7a2f6@ideasonboard.com>
Date: Mon, 24 Mar 2025 13:48:53 +0200
From: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
To: Niklas Söderlund <niklas.soderlund@...natech.se>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: linux-media@...r.kernel.org, linux-renesas-soc@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Niklas Söderlund <niklas.soderlund+renesas@...natech.se>, 
 Mauro Carvalho Chehab <mchehab+huawei@...nel.org>, 
 Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
Subject: [PATCH 2/3] media: rcar-vin: Fix RAW8

On Gen4 we need to set VNMC's EXINF to a different value (1) than in
Gen3 (0). Add a define for this, and set the bit for Gen4.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
---
 drivers/media/platform/renesas/rcar-vin/rcar-dma.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c
index 972ae2cb3314..53046614f7a1 100644
--- a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c
+++ b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c
@@ -94,6 +94,7 @@
 #define VNMC_INF_YUV16		(5 << 16)
 #define VNMC_INF_RGB888		(6 << 16)
 #define VNMC_INF_RGB666		(7 << 16)
+#define VNMC_EXINF_RAW8		(1 << 12) /* Gen4 specific */
 #define VNMC_VUP		(1 << 10)
 #define VNMC_IM_ODD		(0 << 3)
 #define VNMC_IM_ODD_EVEN	(1 << 3)
@@ -791,6 +792,8 @@ static int rvin_setup(struct rvin_dev *vin)
 	case MEDIA_BUS_FMT_SRGGB8_1X8:
 	case MEDIA_BUS_FMT_Y8_1X8:
 		vnmc |= VNMC_INF_RAW8;
+		if (vin->info->model == RCAR_GEN4)
+			vnmc |= VNMC_EXINF_RAW8;
 		break;
 	case MEDIA_BUS_FMT_SBGGR10_1X10:
 	case MEDIA_BUS_FMT_SGBRG10_1X10:

-- 
2.43.0