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 --- 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 340719238753..6d4ee3f6b445 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -1338,8 +1338,10 @@ 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)) {