drm/edid: debug log EDID override set/reset

It's useful debugging information to know if and when an override EDID
was set or reset.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ae352f542b4d69398c0965e33fb2e6e34156cbfb.1666614699.git.jani.nikula@intel.com

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 47465b9765f1a483b0249e6e204fd83459c86618..a863cffa2dc5cb71d4b1141c1641d2be78658ecb 100644 (file)
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -2194,6 +2194,9 @@ int drm_edid_override_set(struct drm_connector *connector, const void *edid,
 
        connector->override_edid = false;
 
+       drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] EDID override set\n",
+                   connector->base.id, connector->name);
+
        ret = drm_connector_update_edid_property(connector, edid);
        if (!ret)
                connector->override_edid = true;
@@ -2206,6 +2209,9 @@ int drm_edid_override_reset(struct drm_connector *connector)
 {
        connector->override_edid = false;
 
+       drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] EDID override reset\n",
+                   connector->base.id, connector->name);
+
        return drm_connector_update_edid_property(connector, NULL);
 }