linux-kernel - [PATCH 07/12] media: rkvdec: Support per-variant interrupt handler

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250708151946.374349-8-detlev.casanova@collabora.com>
Date: Tue,  8 Jul 2025 11:19:40 -0400
From: Detlev Casanova <detlev.casanova@...labora.com>
To: linux-kernel@...r.kernel.org
Cc: Detlev Casanova <detlev.casanova@...labora.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	linux-media@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	kernel@...labora.com,
	Nicolas Frattaroli <nicolas.frattaroli@...labora.com>,
	Nicolas Dufresne <nicolas.dufresne@...labora.com>
Subject: [PATCH 07/12] media: rkvdec: Support per-variant interrupt handler

Preparation commit for supporting different variants with different
interrupt management.

Signed-off-by: Detlev Casanova <detlev.casanova@...labora.com>
---
 drivers/media/platform/rockchip/rkvdec/rkvdec.c | 15 ++++++++++++---
 drivers/media/platform/rockchip/rkvdec/rkvdec.h |  1 +
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/rockchip/rkvdec/rkvdec.c b/drivers/media/platform/rockchip/rkvdec/rkvdec.c
index 3285dd910c327..d5d69ee56cb62 100644
--- a/drivers/media/platform/rockchip/rkvdec/rkvdec.c
+++ b/drivers/media/platform/rockchip/rkvdec/rkvdec.c
@@ -1102,10 +1102,9 @@ static void rkvdec_iommu_restore(struct rkvdec_dev *rkvdec)
 	}
 }
 
-static irqreturn_t rkvdec_irq_handler(int irq, void *priv)
+static irqreturn_t rk3399_irq_handler(struct rkvdec_ctx *ctx)
 {
-	struct rkvdec_dev *rkvdec = priv;
-	struct rkvdec_ctx *ctx = v4l2_m2m_get_curr_priv(rkvdec->m2m_dev);
+	struct rkvdec_dev *rkvdec = ctx->dev;
 	enum vb2_buffer_state state;
 	u32 status;
 
@@ -1126,6 +1125,15 @@ static irqreturn_t rkvdec_irq_handler(int irq, void *priv)
 	return IRQ_HANDLED;
 }
 
+static irqreturn_t rkvdec_irq_handler(int irq, void *priv)
+{
+	struct rkvdec_dev *rkvdec = priv;
+	struct rkvdec_ctx *ctx = v4l2_m2m_get_curr_priv(rkvdec->m2m_dev);
+	struct rkvdec_config *cfg = rkvdec->config;
+
+	return cfg->irq_handler(ctx);
+}
+
 static void rkvdec_watchdog_func(struct work_struct *work)
 {
 	struct rkvdec_dev *rkvdec;
@@ -1144,6 +1152,7 @@ static void rkvdec_watchdog_func(struct work_struct *work)
 const struct rkvdec_config config_rkvdec = {
 	.coded_fmts = (struct rkvdec_coded_fmt_desc *)rkvdec_coded_fmts,
 	.coded_fmts_num = ARRAY_SIZE(rkvdec_coded_fmts),
+	.irq_handler = rk3399_irq_handler,
 };
 
 static const struct of_device_id of_rkvdec_match[] = {
diff --git a/drivers/media/platform/rockchip/rkvdec/rkvdec.h b/drivers/media/platform/rockchip/rkvdec/rkvdec.h
index 3a073883d21eb..679de66df2479 100644
--- a/drivers/media/platform/rockchip/rkvdec/rkvdec.h
+++ b/drivers/media/platform/rockchip/rkvdec/rkvdec.h
@@ -107,6 +107,7 @@ struct rkvdec_config {
 	size_t coded_fmts_num;
 	struct rcb_size_info *rcb_size_info;
 	size_t rcb_num;
+	irqreturn_t (*irq_handler)(struct rkvdec_ctx *ctx);
 };
 
 struct rkvdec_dev {
-- 
2.50.0