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Message-Id: <20251007-spu-rga3-v1-5-36ad85570402@pengutronix.de>
Date: Tue, 07 Oct 2025 10:31:58 +0200
From: Sven Püschel <s.pueschel@...gutronix.de>
To: Jacob Chen <jacob-chen@...wrt.com>, 
 Ezequiel Garcia <ezequiel@...guardiasur.com.ar>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, kernel@...gutronix.de, 
 Sven Püschel <s.pueschel@...gutronix.de>
Subject: [PATCH 05/16] media: rockchip: rga: use card type to specify rga
 type

In preparation of the RGA3 support add a filed to the rga_hw struct
to specify the desired card type value. This allows the user to
differentiate the RGA2 and RGA3 video device nodes.

Signed-off-by: Sven Püschel <s.pueschel@...gutronix.de>
---
 drivers/media/platform/rockchip/rga/rga-hw.c | 1 +
 drivers/media/platform/rockchip/rga/rga.c    | 4 +++-
 drivers/media/platform/rockchip/rga/rga.h    | 1 +
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/rockchip/rga/rga-hw.c b/drivers/media/platform/rockchip/rga/rga-hw.c
index 871fe8c787c8d8dbd55c111c3fba3953d4debf02..a44befe4054d19e3b921c0827af4d36cf077e61f 100644
--- a/drivers/media/platform/rockchip/rga/rga-hw.c
+++ b/drivers/media/platform/rockchip/rga/rga-hw.c
@@ -619,6 +619,7 @@ static struct rga_fmt formats[] = {
 };
 
 const struct rga_hw rga2_hw = {
+	.card_type = "rga2",
 	.formats = formats,
 	.num_formats = ARRAY_SIZE(formats),
 	.cmdbuf_size = RGA_CMDBUF_SIZE,
diff --git a/drivers/media/platform/rockchip/rga/rga.c b/drivers/media/platform/rockchip/rga/rga.c
index 32d24cdf17e9db38541d2b1615c6337def9362c6..ce55b48ef9fa8fbb2b265455cc559a4216609d4f 100644
--- a/drivers/media/platform/rockchip/rga/rga.c
+++ b/drivers/media/platform/rockchip/rga/rga.c
@@ -286,8 +286,10 @@ static const struct v4l2_file_operations rga_fops = {
 static int
 vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap)
 {
+	struct rockchip_rga *rga = video_drvdata(file);
+
 	strscpy(cap->driver, RGA_NAME, sizeof(cap->driver));
-	strscpy(cap->card, "rockchip-rga", sizeof(cap->card));
+	strscpy(cap->card, rga->hw->card_type, sizeof(cap->card));
 	strscpy(cap->bus_info, "platform:rga", sizeof(cap->bus_info));
 
 	return 0;
diff --git a/drivers/media/platform/rockchip/rga/rga.h b/drivers/media/platform/rockchip/rga/rga.h
index 61a00f56ce9b31968881e22bef873612b62e21d9..257267738d5d179d9ec4fcb5c8729783c9b713de 100644
--- a/drivers/media/platform/rockchip/rga/rga.h
+++ b/drivers/media/platform/rockchip/rga/rga.h
@@ -151,6 +151,7 @@ static inline void rga_mod(struct rockchip_rga *rga, u32 reg, u32 val, u32 mask)
 };
 
 struct rga_hw {
+	const char *card_type;
 	struct rga_fmt *formats;
 	u32 num_formats;
 	size_t cmdbuf_size;

-- 
2.51.0


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