diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_hdmi.c | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index f9de8632a28b..3c4cc133e3df 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -166,10 +166,9 @@ vc4_hdmi_connector_detect(struct drm_connector *connector, bool force) struct vc4_hdmi *vc4_hdmi = connector_to_vc4_hdmi(connector); bool connected = false; - if (vc4_hdmi->hpd_gpio) { - if (gpio_get_value_cansleep(vc4_hdmi->hpd_gpio) ^ - vc4_hdmi->hpd_active_low) - connected = true; + if (vc4_hdmi->hpd_gpio && + gpiod_get_value_cansleep(vc4_hdmi->hpd_gpio)) { + connected = true; } else if (drm_probe_ddc(vc4_hdmi->ddc)) { connected = true; } else if (HDMI_READ(HDMI_HOTPLUG) & VC4_HDMI_HOTPLUG_CONNECTED) { @@ -2105,7 +2104,6 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) struct vc4_hdmi *vc4_hdmi; struct drm_encoder *encoder; struct device_node *ddc_node; - u32 value; int ret; vc4_hdmi = devm_kzalloc(dev, sizeof(*vc4_hdmi), GFP_KERNEL); @@ -2144,18 +2142,10 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) /* Only use the GPIO HPD pin if present in the DT, otherwise * we'll use the HDMI core's register. */ - if (of_find_property(dev->of_node, "hpd-gpios", &value)) { - enum of_gpio_flags hpd_gpio_flags; - - vc4_hdmi->hpd_gpio = of_get_named_gpio_flags(dev->of_node, - "hpd-gpios", 0, - &hpd_gpio_flags); - if (vc4_hdmi->hpd_gpio < 0) { - ret = vc4_hdmi->hpd_gpio; - goto err_unprepare_hsm; - } - - vc4_hdmi->hpd_active_low = hpd_gpio_flags & OF_GPIO_ACTIVE_LOW; + vc4_hdmi->hpd_gpio = devm_gpiod_get_optional(dev, "hpd", GPIOD_IN); + if (IS_ERR(vc4_hdmi->hpd_gpio)) { + ret = PTR_ERR(vc4_hdmi->hpd_gpio); + goto err_put_ddc; } vc4_hdmi->disable_wifi_frequencies = @@ -2209,8 +2199,8 @@ err_destroy_conn: vc4_hdmi_connector_destroy(&vc4_hdmi->connector); err_destroy_encoder: drm_encoder_cleanup(encoder); -err_unprepare_hsm: pm_runtime_disable(dev); +err_put_ddc: put_device(&vc4_hdmi->ddc->dev); return ret; |