drm/bridge: synopsys: dw-dp: Make i2s/spdif clk optional

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>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patch.msgid.link/20260206010421.443605-4-andyshrk@163.com

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-dp.c b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
index ccc0d7c85645743bfbd409eb0899fe403587de1e..81d9c93a8fb21f046bf8d0578919aa0722f621df 100644 (file)
--- 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);