drm/i915: Allow alternate fixed modes always for LVDS

As with eDP let's stop considering the VBTs DRRS knobs and
just always accept all otherwise suitable EDID modes. This
appears to be how Windows does it.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220927180615.25476-4-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c b/drivers/gpu/drm/i915/display/intel_lvds.c
index e6600d2..e97e24f 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_lvds.c
+++ b/drivers/gpu/drm/i915/display/intel_lvds.c
@@ -968,8 +968,7 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
                              IS_ERR(edid) ? NULL : edid);
 
        /* Try EDID first */
-       intel_panel_add_edid_fixed_modes(intel_connector,
-                                        intel_connector->panel.vbt.drrs_type != DRRS_TYPE_NONE);
+       intel_panel_add_edid_fixed_modes(intel_connector, true);
 
        /* Failed to get EDID, what about VBT? */
        if (!intel_panel_preferred_fixed_mode(intel_connector))