From 8f6f5e00e56f79773807b505b5808aa484fa26f9 Mon Sep 17 00:00:00 2001 From: James Hilliard <james.hilliard1@gmail.com> Date: Sun, 24 May 2020 19:28:59 -0600 Subject: [PATCH] drm/vc4: hdmi: Silence pixel clock error on -EPROBE_DEFER If the vc4 hdmi driver loads before the pixel clock is available we see a spurious "*ERROR* Failed to get pixel clock" error. Signed-off-by: James Hilliard <james.hilliard1@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20200525012859.267433-1-james.hilliard1@gmail.com --- drivers/gpu/drm/vc4/vc4_hdmi.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 625bfcf52dc4..15a11cd4de25 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -1330,8 +1330,10 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) hdmi->pixel_clock = devm_clk_get(dev, "pixel"); if (IS_ERR(hdmi->pixel_clock)) { - DRM_ERROR("Failed to get pixel clock\n"); - return PTR_ERR(hdmi->pixel_clock); + ret = PTR_ERR(hdmi->pixel_clock); + if (ret != -EPROBE_DEFER) + DRM_ERROR("Failed to get pixel clock\n"); + return ret; } hdmi->hsm_clock = devm_clk_get(dev, "hdmi"); if (IS_ERR(hdmi->hsm_clock)) {