drm/i915: Print out rejected fixed modes

To help with debugging DRRS/VRR panel init let's dump out all
the fixed modes we rejected for whatever reason.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220531191844.11313-3-ville.syrjala@linux.intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c
index d055e41185582130a85618cb0c7f310d2aba21fb..f55e4eafd74ea6c38d5a9f2b8bf10b46a6b07259 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_panel.c
+++ b/drivers/gpu/drm/i915/display/intel_panel.c
@@ -217,6 +217,10 @@ static void intel_panel_destroy_probed_modes(struct intel_connector *connector)
        struct drm_display_mode *mode, *next;
 
        list_for_each_entry_safe(mode, next, &connector->base.probed_modes, head) {
+               drm_dbg_kms(&i915->drm,
+                           "[CONNECTOR:%d:%s] not using EDID mode: " DRM_MODE_FMT "\n",
+                           connector->base.base.id, connector->base.name,
+                           DRM_MODE_ARG(mode));
                list_del(&mode->head);
                drm_mode_destroy(&i915->drm, mode);
        }