@@ -205,14 +205,8 @@ vc4_hdmi_connector_detect(struct drm_connector *connector, bool force)
if (gpiod_get_value_cansleep(vc4_hdmi->hpd_gpio))
connected = true;
} else {
- unsigned long flags;
- u32 hotplug;
-
- spin_lock_irqsave(&vc4_hdmi->hw_lock, flags);
- hotplug = HDMI_READ(HDMI_HOTPLUG);
- spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags);
-
- if (hotplug & VC4_HDMI_HOTPLUG_CONNECTED)
+ if (vc4_hdmi->variant->hp_detect &&
+ vc4_hdmi->variant->hp_detect(vc4_hdmi))
connected = true;
}
@@ -1367,6 +1361,18 @@ static u32 vc5_hdmi_channel_map(struct vc4_hdmi *vc4_hdmi, u32 channel_mask)
return channel_map;
}
+static bool vc5_hdmi_hp_detect(struct vc4_hdmi *vc4_hdmi)
+{
+ unsigned long flags;
+ u32 hotplug;
+
+ spin_lock_irqsave(&vc4_hdmi->hw_lock, flags);
+ hotplug = HDMI_READ(HDMI_HOTPLUG);
+ spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags);
+
+ return !!(hotplug & VC4_HDMI_HOTPLUG_CONNECTED);
+}
+
/* HDMI audio codec callbacks */
static void vc4_hdmi_audio_set_mai_clock(struct vc4_hdmi *vc4_hdmi,
unsigned int samplerate)
@@ -2747,6 +2753,7 @@ static const struct vc4_hdmi_variant bcm2711_hdmi0_variant = {
.phy_rng_disable = vc5_hdmi_phy_rng_disable,
.channel_map = vc5_hdmi_channel_map,
.supports_hdr = true,
+ .hp_detect = vc5_hdmi_hp_detect,
};
static const struct vc4_hdmi_variant bcm2711_hdmi1_variant = {
@@ -2775,6 +2782,7 @@ static const struct vc4_hdmi_variant bcm2711_hdmi1_variant = {
.phy_rng_disable = vc5_hdmi_phy_rng_disable,
.channel_map = vc5_hdmi_channel_map,
.supports_hdr = true,
+ .hp_detect = vc5_hdmi_hp_detect,
};
static const struct of_device_id vc4_hdmi_dt_match[] = {
@@ -103,6 +103,9 @@ struct vc4_hdmi_variant {
/* Enables HDR metadata */
bool supports_hdr;
+
+ /* Callback for hardware specific hotplug detect */
+ bool (*hp_detect)(struct vc4_hdmi *vc4_hdmi);
};
/* HDMI audio information */