drm/i915: Use intel_panel_preferred_fixed_mode() more

Use intel_panel_preferred_fixed_mode() for all the orientation
quirk setup and compute_is_dual_link_lvds()). All of these
happen after intel_panel_init() so the panel fixed_mode list
is already in place.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220323182935.4701-5-ville.syrjala@linux.intel.comReviewed-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/display/icl_dsi.c

@@ -1965,9 +1965,10 @@ static void icl_dphy_param_init(struct intel_dsi *intel_dsi)
 	intel_dsi_log_params(intel_dsi);
 }
 
-static void icl_dsi_add_properties(struct intel_connector *connector,
-				   const struct drm_display_mode *fixed_mode)
+static void icl_dsi_add_properties(struct intel_connector *connector)
 {
+	const struct drm_display_mode *fixed_mode =
+		intel_panel_preferred_fixed_mode(connector);
 	u32 allowed_scalers;
 
 	allowed_scalers = BIT(DRM_MODE_SCALE_ASPECT) |
@@ -2085,7 +2086,7 @@ void icl_dsi_init(struct drm_i915_private *dev_priv)
 
 	icl_dphy_param_init(intel_dsi);
 
-	icl_dsi_add_properties(intel_connector, fixed_mode);
+	icl_dsi_add_properties(intel_connector);
 	return;
 
 err:

drivers/gpu/drm/i915/display/intel_dp.c

@@ -4955,11 +4955,12 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
 }
 
 static void
-intel_edp_add_properties(struct intel_dp *intel_dp,
-			 const struct drm_display_mode *fixed_mode)
+intel_edp_add_properties(struct intel_dp *intel_dp)
 {
 	struct intel_connector *connector = intel_dp->attached_connector;
 	struct drm_i915_private *i915 = to_i915(connector->base.dev);
+	const struct drm_display_mode *fixed_mode =
+		intel_panel_preferred_fixed_mode(connector);
 
 	if (!fixed_mode)
 		return;
@@ -5074,7 +5075,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
 		intel_connector->panel.backlight.power = intel_pps_backlight_power;
 	intel_backlight_setup(intel_connector, pipe);
 
-	intel_edp_add_properties(intel_dp, fixed_mode);
+	intel_edp_add_properties(intel_dp);
 
 	return true;
 

drivers/gpu/drm/i915/display/intel_lvds.c

@@ -778,12 +778,13 @@ bool intel_is_dual_link_lvds(struct drm_i915_private *dev_priv)
 	return encoder && to_lvds_encoder(&encoder->base)->is_dual_link;
 }
 
-static bool compute_is_dual_link_lvds(struct intel_lvds_encoder *lvds_encoder,
-				      const struct drm_display_mode *fixed_mode)
+static bool compute_is_dual_link_lvds(struct intel_lvds_encoder *lvds_encoder)
 {
-	struct drm_device *dev = lvds_encoder->base.base.dev;
+	struct drm_i915_private *dev_priv = to_i915(lvds_encoder->base.base.dev);
+	struct intel_connector *connector = lvds_encoder->attached_connector;
+	const struct drm_display_mode *fixed_mode =
+		intel_panel_preferred_fixed_mode(connector);
 	unsigned int val;
-	struct drm_i915_private *dev_priv = to_i915(dev);
 
 	/* use the module option value if specified */
 	if (dev_priv->params.lvds_channel_mode > 0)
@@ -999,7 +1000,7 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
 	intel_panel_init(intel_connector, fixed_mode, downclock_mode);
 	intel_backlight_setup(intel_connector, INVALID_PIPE);
 
-	lvds_encoder->is_dual_link = compute_is_dual_link_lvds(lvds_encoder, fixed_mode);
+	lvds_encoder->is_dual_link = compute_is_dual_link_lvds(lvds_encoder);
 	drm_dbg_kms(&dev_priv->drm, "detected %s-link lvds configuration\n",
 		    lvds_encoder->is_dual_link ? "dual" : "single");
 

drivers/gpu/drm/i915/display/vlv_dsi.c

@@ -1657,10 +1657,11 @@ static const struct drm_connector_funcs intel_dsi_connector_funcs = {
 	.atomic_duplicate_state = intel_digital_connector_duplicate_state,
 };
 
-static void vlv_dsi_add_properties(struct intel_connector *connector,
-				   const struct drm_display_mode *fixed_mode)
+static void vlv_dsi_add_properties(struct intel_connector *connector)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
+	const struct drm_display_mode *fixed_mode =
+		intel_panel_preferred_fixed_mode(connector);
 	u32 allowed_scalers;
 
 	allowed_scalers = BIT(DRM_MODE_SCALE_ASPECT) | BIT(DRM_MODE_SCALE_FULLSCREEN);
@@ -1990,7 +1991,7 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv)
 	intel_panel_init(intel_connector, fixed_mode, NULL);
 	intel_backlight_setup(intel_connector, INVALID_PIPE);
 
-	vlv_dsi_add_properties(intel_connector, fixed_mode);
+	vlv_dsi_add_properties(intel_connector);
 
 	return;