From ba875ce27cd407bc61502517671623df07bb6c1a Mon Sep 17 00:00:00 2001 From: James Hilliard Date: Fri, 10 Apr 2020 19:24:40 -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 --- drivers/gpu/drm/vc4/vc4_hdmi.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -1494,8 +1494,10 @@ static int vc4_hdmi_init_resources(struc vc4_hdmi->pixel_clock = devm_clk_get(dev, "pixel"); if (IS_ERR(vc4_hdmi->pixel_clock)) { - DRM_ERROR("Failed to get pixel clock\n"); - return PTR_ERR(vc4_hdmi->pixel_clock); + ret = PTR_ERR(vc4_hdmi->pixel_clock); + if (ret != -EPROBE_DEFER) + DRM_ERROR("Failed to get pixel clock\n"); + return ret; } vc4_hdmi->hsm_clock = devm_clk_get(dev, "hdmi");