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path: root/drivers/gpu/drm/vc4/vc4_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_hdmi.c')
-rw-r--r--drivers/gpu/drm/vc4/vc4_hdmi.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 184e1f0936c0..df2c05f2e20c 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -136,20 +136,32 @@ static enum drm_connector_status
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)
- return connector_status_connected;
- cec_phys_addr_invalidate(vc4_hdmi->cec_adap);
- return connector_status_disconnected;
+ connected = true;
+ } else if (drm_probe_ddc(vc4_hdmi->ddc)) {
+ connected = true;
+ } else if (HDMI_READ(HDMI_HOTPLUG) & VC4_HDMI_HOTPLUG_CONNECTED) {
+ connected = true;
}
- if (drm_probe_ddc(vc4_hdmi->ddc))
- return connector_status_connected;
+ if (connected) {
+ if (connector->status != connector_status_connected) {
+ struct edid *edid = drm_get_edid(connector, vc4_hdmi->ddc);
+
+ if (edid) {
+ cec_s_phys_addr_from_edid(vc4_hdmi->cec_adap, edid);
+ vc4_hdmi->encoder.hdmi_monitor = drm_detect_hdmi_monitor(edid);
+ kfree(edid);
+ }
+ }
- if (HDMI_READ(HDMI_HOTPLUG) & VC4_HDMI_HOTPLUG_CONNECTED)
return connector_status_connected;
+ }
+
cec_phys_addr_invalidate(vc4_hdmi->cec_adap);
return connector_status_disconnected;
}