[PATCH v3 3/5] drm/bridge: synopsys: dw-dp: Make i2s/spdif clk optional
From: Andy Yan <hidden>
Date: 2026-02-06 01:05:52
Also in:
dri-devel, linux-devicetree, linux-rockchip, lkml
Subsystem:
drm driver for synopsys designware displayport bridge, drm drivers, drm drivers and misc gpu patches, drm drivers for bridge chips, the rest · Maintainers:
Andy Yan, David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Andrzej Hajda, Neil Armstrong, Robert Foss, Linus Torvalds
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 <redacted> Tested-by: Sebastian Reichel <redacted> --- (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