linux-kernel - [PATCH 3/5] drm/bridge: synopsys: dw-dp: Make i2s/spdif clk optional

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Message-ID: <20260109080054.228671-4-andyshrk@163.com>
Date: Fri,  9 Jan 2026 16:00:46 +0800
From: Andy Yan <andyshrk@....com>
To: heiko@...ech.de,
	dmitry.baryshkov@....qualcomm.com
Cc: krzk+dt@...nel.org,
	conor+dt@...nel.org,
	cristian.ciocaltea@...labora.com,
	Laurent.pinchart@...asonboard.com,
	mripard@...nel.org,
	hjc@...k-chips.com,
	robh@...nel.org,
	sebastian.reichel@...labora.com,
	tzimmermann@...e.de,
	devicetree@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	Andy Yan <andy.yan@...k-chips.com>
Subject: [PATCH 3/5] drm/bridge: synopsys: dw-dp: Make i2s/spdif clk optional

From: Andy Yan <andy.yan@...k-chips.com>

The i2s/spdif clk are mandatory for rk3588, but not used
for the upcoming rk3576, so make it optional here.

Signed-off-by: Andy Yan <andy.yan@...k-chips.com>
---

 drivers/gpu/drm/bridge/synopsys/dw-dp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-dp.c b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
index eccf6299bdb7..93e3efe18957 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-dp.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
@@ -2014,13 +2014,13 @@ struct dw_dp *dw_dp_bind(struct device *dev, struct drm_encoder *encoder,
 		return ERR_CAST(dp->aux_clk);
 	}
 
-	dp->i2s_clk = devm_clk_get(dev, "i2s");
+	dp->i2s_clk = devm_clk_get_optional(dev, "i2s");
 	if (IS_ERR(dp->i2s_clk)) {
 		dev_err_probe(dev, PTR_ERR(dp->i2s_clk), "failed to get i2s clock\n");
 		return ERR_CAST(dp->i2s_clk);
 	}
 
-	dp->spdif_clk = devm_clk_get(dev, "spdif");
+	dp->spdif_clk = devm_clk_get_optional(dev, "spdif");
 	if (IS_ERR(dp->spdif_clk)) {
 		dev_err_probe(dev, PTR_ERR(dp->spdif_clk), "failed to get spdif clock\n");
 		return ERR_CAST(dp->spdif_clk);
-- 
2.43.0