[PATCH v3 3/5] drm/bridge: synopsys: dw-dp: Make i2s/spdif clk optional

[Andy Yan <andyshrk@163.com>]

From: Andy Yan <andy.yan@rock-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@rock-chips.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
---

(no changes since v1)

 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