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Message-Id: <20260127-spu-rga3-v3-6-77b273067beb@pengutronix.de>
Date: Tue, 27 Jan 2026 15:39:15 +0100
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 v3 06/27] media: rockchip: rga: use clk_bulk api
Use the clk_bulk API to avoid code duplication for each of the three
clocks.
Signed-off-by: Sven Püschel <s.pueschel@...gutronix.de>
---
drivers/media/platform/rockchip/rga/rga.c | 65 ++++---------------------------
drivers/media/platform/rockchip/rga/rga.h | 6 +--
2 files changed, 11 insertions(+), 60 deletions(-)
diff --git a/drivers/media/platform/rockchip/rga/rga.c b/drivers/media/platform/rockchip/rga/rga.c
index 43f6a8d993811..338c7796490bc 100644
--- a/drivers/media/platform/rockchip/rga/rga.c
+++ b/drivers/media/platform/rockchip/rga/rga.c
@@ -698,48 +698,10 @@ static const struct video_device rga_videodev = {
.device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING,
};
-static int rga_enable_clocks(struct rockchip_rga *rga)
-{
- int ret;
-
- ret = clk_prepare_enable(rga->sclk);
- if (ret) {
- dev_err(rga->dev, "Cannot enable rga sclk: %d\n", ret);
- return ret;
- }
-
- ret = clk_prepare_enable(rga->aclk);
- if (ret) {
- dev_err(rga->dev, "Cannot enable rga aclk: %d\n", ret);
- goto err_disable_sclk;
- }
-
- ret = clk_prepare_enable(rga->hclk);
- if (ret) {
- dev_err(rga->dev, "Cannot enable rga hclk: %d\n", ret);
- goto err_disable_aclk;
- }
-
- return 0;
-
-err_disable_aclk:
- clk_disable_unprepare(rga->aclk);
-err_disable_sclk:
- clk_disable_unprepare(rga->sclk);
-
- return ret;
-}
-
-static void rga_disable_clocks(struct rockchip_rga *rga)
-{
- clk_disable_unprepare(rga->sclk);
- clk_disable_unprepare(rga->hclk);
- clk_disable_unprepare(rga->aclk);
-}
-
static int rga_parse_dt(struct rockchip_rga *rga)
{
struct reset_control *core_rst, *axi_rst, *ahb_rst;
+ int ret;
core_rst = devm_reset_control_get(rga->dev, "core");
if (IS_ERR(core_rst)) {
@@ -771,23 +733,12 @@ static int rga_parse_dt(struct rockchip_rga *rga)
udelay(1);
reset_control_deassert(ahb_rst);
- rga->sclk = devm_clk_get(rga->dev, "sclk");
- if (IS_ERR(rga->sclk)) {
- dev_err(rga->dev, "failed to get sclk clock\n");
- return PTR_ERR(rga->sclk);
- }
-
- rga->aclk = devm_clk_get(rga->dev, "aclk");
- if (IS_ERR(rga->aclk)) {
- dev_err(rga->dev, "failed to get aclk clock\n");
- return PTR_ERR(rga->aclk);
- }
-
- rga->hclk = devm_clk_get(rga->dev, "hclk");
- if (IS_ERR(rga->hclk)) {
- dev_err(rga->dev, "failed to get hclk clock\n");
- return PTR_ERR(rga->hclk);
+ ret = devm_clk_bulk_get_all(rga->dev, &rga->clks);
+ if (ret < 0) {
+ dev_err(rga->dev, "failed to get clocks\n");
+ return ret;
}
+ rga->num_clks = ret;
return 0;
}
@@ -935,7 +886,7 @@ static int __maybe_unused rga_runtime_suspend(struct device *dev)
{
struct rockchip_rga *rga = dev_get_drvdata(dev);
- rga_disable_clocks(rga);
+ clk_bulk_disable_unprepare(rga->num_clks, rga->clks);
return 0;
}
@@ -944,7 +895,7 @@ static int __maybe_unused rga_runtime_resume(struct device *dev)
{
struct rockchip_rga *rga = dev_get_drvdata(dev);
- return rga_enable_clocks(rga);
+ return clk_bulk_prepare_enable(rga->num_clks, rga->clks);
}
static const struct dev_pm_ops rga_pm = {
diff --git a/drivers/media/platform/rockchip/rga/rga.h b/drivers/media/platform/rockchip/rga/rga.h
index 72a28b120fabf..2db10acecb405 100644
--- a/drivers/media/platform/rockchip/rga/rga.h
+++ b/drivers/media/platform/rockchip/rga/rga.h
@@ -6,6 +6,7 @@
#ifndef __RGA_H__
#define __RGA_H__
+#include <linux/clk.h>
#include <linux/platform_device.h>
#include <media/videobuf2-v4l2.h>
#include <media/v4l2-ctrls.h>
@@ -81,9 +82,8 @@ struct rockchip_rga {
struct device *dev;
struct regmap *grf;
void __iomem *regs;
- struct clk *sclk;
- struct clk *aclk;
- struct clk *hclk;
+ struct clk_bulk_data *clks;
+ int num_clks;
struct rockchip_rga_version version;
/* vfd lock */
--
2.52.0
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