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drm/vc4: hdmi: Silence pixel clock error on -EPROBE_DEFER

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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
This commit is contained in:
James Hilliard 2020-05-24 19:28:59 -06:00 committed by Daniel Vetter
parent 2217d3bc39
commit 8f6f5e00e5
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/vc4/vc4_hdmi.c
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@ -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)) {