drm/vc4: Let gpiolib know that we're OK with sleeping for HPD.
Fixes an error thrown every few seconds when we poll HPD when it's on a I2C to GPIO expander. Signed-off-by: Eric Anholt <eric@anholt.net> Tested-by: Daniel Stone <daniels@collabora.com>
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@ -166,7 +166,7 @@ vc4_hdmi_connector_detect(struct drm_connector *connector, bool force)
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struct vc4_dev *vc4 = to_vc4_dev(dev);
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if (vc4->hdmi->hpd_gpio) {
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if (gpio_get_value(vc4->hdmi->hpd_gpio))
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if (gpio_get_value_cansleep(vc4->hdmi->hpd_gpio))
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return connector_status_connected;
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else
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return connector_status_disconnected;
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