[PATCH 02/11] drm/i915: Put fixed modes directly onto the panel's fixed_modes list

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Rather than having the connector init get the fixed mode back from
intel_panel and then feed it straight back into intel_panel_init()
let's just make the fixed mode lookup put the mode directly onto
the panel's fixed_modes list. Avoids the pointless round trip and
opens the door for further enhancements to the fixed mode handling.

Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/icl_dsi.c     |  8 +--
 drivers/gpu/drm/i915/display/intel_dp.c    | 22 ++++----
 drivers/gpu/drm/i915/display/intel_drrs.c  | 18 +-----
 drivers/gpu/drm/i915/display/intel_drrs.h  |  3 +-
 drivers/gpu/drm/i915/display/intel_dvo.c   |  9 ++-
 drivers/gpu/drm/i915/display/intel_lvds.c  | 31 +++++------
 drivers/gpu/drm/i915/display/intel_panel.c | 64 +++++++++-------------
 drivers/gpu/drm/i915/display/intel_panel.h | 22 +++-----
 drivers/gpu/drm/i915/display/intel_sdvo.c  | 10 ++--
 drivers/gpu/drm/i915/display/vlv_dsi.c     |  9 +--
 10 files changed, 80 insertions(+), 116 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index 44f4c65522b9..084cc51d1c41 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -1993,7 +1993,6 @@ void icl_dsi_init(struct drm_i915_private *dev_priv)
 	struct intel_encoder *encoder;
 	struct intel_connector *intel_connector;
 	struct drm_connector *connector;
-	struct drm_display_mode *fixed_mode;
 	enum port port;
 
 	if (!intel_bios_is_dsi_present(dev_priv, &port))
@@ -2050,15 +2049,16 @@ void icl_dsi_init(struct drm_i915_private *dev_priv)
 	intel_connector_attach_encoder(intel_connector, encoder);
 
 	mutex_lock(&dev->mode_config.mutex);
-	fixed_mode = intel_panel_vbt_lfp_fixed_mode(intel_connector);
+	intel_panel_add_vbt_lfp_fixed_mode(intel_connector);
 	mutex_unlock(&dev->mode_config.mutex);
 
-	if (!fixed_mode) {
+	if (!intel_panel_preferred_fixed_mode(intel_connector)) {
 		drm_err(&dev_priv->drm, "DSI fixed mode info missing\n");
 		goto err;
 	}
 
-	intel_panel_init(intel_connector, fixed_mode, NULL);
+	intel_panel_init(intel_connector);
+
 	intel_backlight_setup(intel_connector, INVALID_PIPE);
 
 	if (dev_priv->vbt.dsi.config->dual_link)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index b17dd60a0e29..544b16e3a0d9 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5010,8 +5010,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 	struct drm_device *dev = &dev_priv->drm;
 	struct drm_connector *connector = &intel_connector->base;
-	struct drm_display_mode *fixed_mode = NULL;
-	struct drm_display_mode *downclock_mode = NULL;
+	struct drm_display_mode *fixed_mode;
 	bool has_dpcd;
 	enum pipe pipe = INVALID_PIPE;
 	struct edid *edid;
@@ -5068,20 +5067,22 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
 	}
 	intel_connector->edid = edid;
 
-	fixed_mode = intel_panel_edid_fixed_mode(intel_connector);
-	if (fixed_mode && intel_edp_has_drrs(intel_dp))
-		downclock_mode = intel_drrs_init(intel_connector, fixed_mode);
+	intel_panel_add_edid_fixed_mode(intel_connector);
+	if (intel_panel_preferred_fixed_mode(intel_connector) &&
+	    intel_edp_has_drrs(intel_dp))
+		intel_drrs_init(intel_connector);
 
 	/* MSO requires information from the EDID */
 	intel_edp_mso_init(intel_dp);
 
 	/* multiply the mode clock and horizontal timings for MSO */
-	intel_edp_mso_mode_fixup(intel_connector, fixed_mode);
-	intel_edp_mso_mode_fixup(intel_connector, downclock_mode);
+	list_for_each_entry(fixed_mode, &intel_connector->panel.fixed_modes, head)
+		intel_edp_mso_mode_fixup(intel_connector, fixed_mode);
 
 	/* fallback to VBT if available for eDP */
-	if (!fixed_mode)
-		fixed_mode = intel_panel_vbt_lfp_fixed_mode(intel_connector);
+	if (!intel_panel_preferred_fixed_mode(intel_connector))
+		intel_panel_add_vbt_lfp_fixed_mode(intel_connector);
+
 	mutex_unlock(&dev->mode_config.mutex);
 
 	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
@@ -5103,7 +5104,8 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
 			    pipe_name(pipe));
 	}
 
-	intel_panel_init(intel_connector, fixed_mode, downclock_mode);
+	intel_panel_init(intel_connector);
+
 	if (!(dev_priv->quirks & QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK))
 		intel_connector->panel.backlight.power = intel_pps_backlight_power;
 	intel_backlight_setup(intel_connector, pipe);
diff --git a/drivers/gpu/drm/i915/display/intel_drrs.c b/drivers/gpu/drm/i915/display/intel_drrs.c
index 1448c3029b8e..8fd280c7c83f 100644
--- a/drivers/gpu/drm/i915/display/intel_drrs.c
+++ b/drivers/gpu/drm/i915/display/intel_drrs.c
@@ -358,7 +358,6 @@ void intel_crtc_drrs_init(struct intel_crtc *crtc)
 /**
  * intel_drrs_init - Init DRRS for eDP connector
  * @connector: eDP connector
- * @fixed_mode: preferred mode of panel
  *
  * This function is called only once at driver load to initialize
  * DRRS support for the connector.
@@ -368,25 +367,14 @@ void intel_crtc_drrs_init(struct intel_crtc *crtc)
  * DRRS support is determined by the presence of downclock mode (apart
  * from VBT setting).
  */
-struct drm_display_mode *
-intel_drrs_init(struct intel_connector *connector,
-		const struct drm_display_mode *fixed_mode)
+void intel_drrs_init(struct intel_connector *connector)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
-	struct drm_display_mode *downclock_mode;
 
-	downclock_mode = intel_panel_edid_downclock_mode(connector, fixed_mode);
-	if (!downclock_mode) {
-		drm_dbg_kms(&dev_priv->drm,
-			    "[CONNECTOR:%d:%s] DRRS not supported due to lack of downclock mode\n",
-			    connector->base.base.id, connector->base.name);
-		return NULL;
-	}
+	intel_panel_add_edid_downclock_mode(connector);
 
 	drm_dbg_kms(&dev_priv->drm,
-		    "[CONNECTOR:%d:%s] %s DRRS supported\n",
+		    "[CONNECTOR:%d:%s] DRRS type: %s\n",
 		    connector->base.base.id, connector->base.name,
 		    intel_drrs_type_str(dev_priv->vbt.drrs_type));
-
-	return downclock_mode;
 }
diff --git a/drivers/gpu/drm/i915/display/intel_drrs.h b/drivers/gpu/drm/i915/display/intel_drrs.h
index e2f78cc10061..3ea52220cd69 100644
--- a/drivers/gpu/drm/i915/display/intel_drrs.h
+++ b/drivers/gpu/drm/i915/display/intel_drrs.h
@@ -27,7 +27,6 @@ void intel_drrs_compute_config(struct intel_connector *connector,
 			       struct intel_crtc_state *pipe_config,
 			       int output_bpp, bool constant_n);
 void intel_crtc_drrs_init(struct intel_crtc *crtc);
-struct drm_display_mode *intel_drrs_init(struct intel_connector *connector,
-					 const struct drm_display_mode *fixed_mode);
+void intel_drrs_init(struct intel_connector *connector);
 
 #endif /* __INTEL_DRRS_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c
index 8c98897d8313..5572e43026e4 100644
--- a/drivers/gpu/drm/i915/display/intel_dvo.c
+++ b/drivers/gpu/drm/i915/display/intel_dvo.c
@@ -520,8 +520,6 @@ void intel_dvo_init(struct drm_i915_private *dev_priv)
 
 		intel_connector_attach_encoder(intel_connector, intel_encoder);
 		if (dvo->type == INTEL_DVO_CHIP_LVDS) {
-			struct drm_display_mode *fixed_mode;
-
 			/*
 			 * For our LVDS chipsets, we should hopefully be able
 			 * to dig the fixed panel mode out of the BIOS data.
@@ -530,10 +528,11 @@ void intel_dvo_init(struct drm_i915_private *dev_priv)
 			 * headers, likely), so for now, just get the current
 			 * mode being output through DVO.
 			 */
-			fixed_mode = intel_panel_encoder_fixed_mode(intel_connector,
-								    intel_encoder);
+			intel_panel_add_encoder_fixed_mode(intel_connector,
+							   intel_encoder);
+
+			intel_panel_init(intel_connector);
 
-			intel_panel_init(intel_connector, fixed_mode, NULL);
 			intel_dvo->panel_wants_dither = true;
 		}
 
diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c b/drivers/gpu/drm/i915/display/intel_lvds.c
index 5b2367bc3cd2..193daffadc90 100644
--- a/drivers/gpu/drm/i915/display/intel_lvds.c
+++ b/drivers/gpu/drm/i915/display/intel_lvds.c
@@ -829,8 +829,6 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
 	struct intel_connector *intel_connector;
 	struct drm_connector *connector;
 	struct drm_encoder *encoder;
-	struct drm_display_mode *fixed_mode = NULL;
-	struct drm_display_mode *downclock_mode = NULL;
 	struct edid *edid;
 	i915_reg_t lvds_reg;
 	u32 lvds;
@@ -969,30 +967,29 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
 	}
 	intel_connector->edid = edid;
 
-	fixed_mode = intel_panel_edid_fixed_mode(intel_connector);
-	if (fixed_mode)
-		goto out;
+	/* Try EDID first */
+	intel_panel_add_edid_fixed_mode(intel_connector);
 
 	/* Failed to get EDID, what about VBT? */
-	fixed_mode = intel_panel_vbt_lfp_fixed_mode(intel_connector);
-	if (fixed_mode)
-		goto out;
+	if (!intel_panel_preferred_fixed_mode(intel_connector))
+		intel_panel_add_vbt_lfp_fixed_mode(intel_connector);
 
 	/*
-	 * If we didn't get EDID, try checking if the panel is already turned
-	 * on.  If so, assume that whatever is currently programmed is the
-	 * correct mode.
+	 * If we didn't get a fixed mode from EDID or VBT, try checking
+	 * if the panel is already turned on.  If so, assume that
+	 * whatever is currently programmed is the correct mode.
 	 */
-	fixed_mode = intel_panel_encoder_fixed_mode(intel_connector, intel_encoder);
+	if (!intel_panel_preferred_fixed_mode(intel_connector))
+		intel_panel_add_encoder_fixed_mode(intel_connector, intel_encoder);
+
+	mutex_unlock(&dev->mode_config.mutex);
 
 	/* If we still don't have a mode after all that, give up. */
-	if (!fixed_mode)
+	if (!intel_panel_preferred_fixed_mode(intel_connector))
 		goto failed;
 
-out:
-	mutex_unlock(&dev->mode_config.mutex);
+	intel_panel_init(intel_connector);
 
-	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);
@@ -1004,8 +1001,6 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
 	return;
 
 failed:
-	mutex_unlock(&dev->mode_config.mutex);
-
 	drm_dbg_kms(&dev_priv->drm, "No LVDS modes found, disabling.\n");
 	drm_connector_cleanup(connector);
 	drm_encoder_cleanup(encoder);
diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c
index 882e424973d4..415aa381f732 100644
--- a/drivers/gpu/drm/i915/display/intel_panel.c
+++ b/drivers/gpu/drm/i915/display/intel_panel.c
@@ -158,11 +158,11 @@ static bool is_downclock_mode(const struct drm_display_mode *downclock_mode,
 		downclock_mode->clock < fixed_mode->clock;
 }
 
-struct drm_display_mode *
-intel_panel_edid_downclock_mode(struct intel_connector *connector,
-				const struct drm_display_mode *fixed_mode)
+void intel_panel_add_edid_downclock_mode(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);
 	const struct drm_display_mode *scan, *best_mode = NULL;
 	struct drm_display_mode *downclock_mode;
 	int best_clock = fixed_mode->clock;
@@ -187,29 +187,28 @@ intel_panel_edid_downclock_mode(struct intel_connector *connector,
 	}
 
 	if (!best_mode)
-		return NULL;
+		return;
 
 	downclock_mode = drm_mode_duplicate(&dev_priv->drm, best_mode);
 	if (!downclock_mode)
-		return NULL;
+		return;
 
 	drm_dbg_kms(&dev_priv->drm,
 		    "[CONNECTOR:%d:%s] using downclock mode from EDID: " DRM_MODE_FMT "\n",
 		    connector->base.base.id, connector->base.name,
 		    DRM_MODE_ARG(downclock_mode));
 
-	return downclock_mode;
+	list_add_tail(&downclock_mode->head, &connector->panel.fixed_modes);
 }
 
-struct drm_display_mode *
-intel_panel_edid_fixed_mode(struct intel_connector *connector)
+void intel_panel_add_edid_fixed_mode(struct intel_connector *connector)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
 	const struct drm_display_mode *scan;
 	struct drm_display_mode *fixed_mode;
 
 	if (list_empty(&connector->base.probed_modes))
-		return NULL;
+		return;
 
 	/* prefer fixed mode from EDID if available */
 	list_for_each_entry(scan, &connector->base.probed_modes, head) {
@@ -218,47 +217,45 @@ intel_panel_edid_fixed_mode(struct intel_connector *connector)
 
 		fixed_mode = drm_mode_duplicate(&dev_priv->drm, scan);
 		if (!fixed_mode)
-			return NULL;
+			return;
 
 		drm_dbg_kms(&dev_priv->drm,
 			    "[CONNECTOR:%d:%s] using preferred mode from EDID: " DRM_MODE_FMT "\n",
 			    connector->base.base.id, connector->base.name,
 			    DRM_MODE_ARG(fixed_mode));
 
-		return fixed_mode;
+		list_add_tail(&fixed_mode->head, &connector->panel.fixed_modes);
+		return;
 	}
 
 	scan = list_first_entry(&connector->base.probed_modes,
 				typeof(*scan), head);
-
 	fixed_mode = drm_mode_duplicate(&dev_priv->drm, scan);
 	if (!fixed_mode)
-		return NULL;
+		return;
 
 	fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
-
 	drm_dbg_kms(&dev_priv->drm,
 		    "[CONNECTOR:%d:%s] using first mode from EDID: " DRM_MODE_FMT "\n",
 		    connector->base.base.id, connector->base.name,
 		    DRM_MODE_ARG(fixed_mode));
 
-	return fixed_mode;
+	list_add_tail(&fixed_mode->head, &connector->panel.fixed_modes);
 }
 
-struct drm_display_mode *
-intel_panel_vbt_lfp_fixed_mode(struct intel_connector *connector)
+void intel_panel_add_vbt_lfp_fixed_mode(struct intel_connector *connector)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
 	struct drm_display_info *info = &connector->base.display_info;
 	struct drm_display_mode *fixed_mode;
 
 	if (!dev_priv->vbt.lfp_lvds_vbt_mode)
-		return NULL;
+		return;
 
 	fixed_mode = drm_mode_duplicate(&dev_priv->drm,
 					dev_priv->vbt.lfp_lvds_vbt_mode);
 	if (!fixed_mode)
-		return NULL;
+		return;
 
 	fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
 
@@ -269,39 +266,37 @@ intel_panel_vbt_lfp_fixed_mode(struct intel_connector *connector)
 	info->width_mm = fixed_mode->width_mm;
 	info->height_mm = fixed_mode->height_mm;
 
-	return fixed_mode;
+	list_add_tail(&fixed_mode->head, &connector->panel.fixed_modes);
 }
 
-struct drm_display_mode *
-intel_panel_vbt_sdvo_fixed_mode(struct intel_connector *connector)
+void intel_panel_add_vbt_sdvo_fixed_mode(struct intel_connector *connector)
 {
 	struct drm_i915_private *i915 = to_i915(connector->base.dev);
 	struct drm_display_mode *fixed_mode;
 
 	if (!i915->vbt.sdvo_lvds_vbt_mode)
-		return NULL;
+		return;
 
 	fixed_mode = drm_mode_duplicate(&i915->drm,
 					i915->vbt.sdvo_lvds_vbt_mode);
 	if (!fixed_mode)
-		return NULL;
+		return;
 
 	/* Guarantee the mode is preferred */
 	fixed_mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
 
-	return fixed_mode;
+	list_add_tail(&fixed_mode->head, &connector->panel.fixed_modes);
 }
 
-struct drm_display_mode *
-intel_panel_encoder_fixed_mode(struct intel_connector *connector,
-			       struct intel_encoder *encoder)
+void intel_panel_add_encoder_fixed_mode(struct intel_connector *connector,
+					struct intel_encoder *encoder)
 {
 	struct drm_i915_private *i915 = to_i915(connector->base.dev);
 	struct drm_display_mode *fixed_mode;
 
 	fixed_mode = intel_encoder_current_mode(encoder);
 	if (!fixed_mode)
-		return NULL;
+		return;
 
 	drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] using current (BIOS) mode: " DRM_MODE_FMT "\n",
 		    connector->base.base.id, connector->base.name,
@@ -309,7 +304,7 @@ intel_panel_encoder_fixed_mode(struct intel_connector *connector,
 
 	fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
 
-	return fixed_mode;
+	list_add_tail(&fixed_mode->head, &connector->panel.fixed_modes);
 }
 
 /* adjusted_mode has been preset to be the panel's fixed mode */
@@ -639,19 +634,12 @@ intel_panel_mode_valid(struct intel_connector *connector,
 	return MODE_OK;
 }
 
-int intel_panel_init(struct intel_connector *connector,
-		     struct drm_display_mode *fixed_mode,
-		     struct drm_display_mode *downclock_mode)
+int intel_panel_init(struct intel_connector *connector)
 {
 	struct intel_panel *panel = &connector->panel;
 
 	intel_backlight_init_funcs(panel);
 
-	if (fixed_mode)
-		list_add_tail(&fixed_mode->head, &panel->fixed_modes);
-	if (downclock_mode)
-		list_add_tail(&downclock_mode->head, &panel->fixed_modes);
-
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/i915/display/intel_panel.h b/drivers/gpu/drm/i915/display/intel_panel.h
index 6a6ac338e9aa..5eaa2a1c2337 100644
--- a/drivers/gpu/drm/i915/display/intel_panel.h
+++ b/drivers/gpu/drm/i915/display/intel_panel.h
@@ -18,9 +18,7 @@ struct intel_connector;
 struct intel_crtc_state;
 struct intel_encoder;
 
-int intel_panel_init(struct intel_connector *connector,
-		     struct drm_display_mode *fixed_mode,
-		     struct drm_display_mode *downclock_mode);
+int intel_panel_init(struct intel_connector *connector);
 void intel_panel_fini(struct intel_connector *connector);
 enum drm_connector_status
 intel_panel_detect(struct drm_connector *connector, bool force);
@@ -42,17 +40,11 @@ int intel_panel_fitting(struct intel_crtc_state *crtc_state,
 			const struct drm_connector_state *conn_state);
 int intel_panel_compute_config(struct intel_connector *connector,
 			       struct drm_display_mode *adjusted_mode);
-struct drm_display_mode *
-intel_panel_edid_downclock_mode(struct intel_connector *connector,
-				const struct drm_display_mode *fixed_mode);
-struct drm_display_mode *
-intel_panel_edid_fixed_mode(struct intel_connector *connector);
-struct drm_display_mode *
-intel_panel_vbt_lfp_fixed_mode(struct intel_connector *connector);
-struct drm_display_mode *
-intel_panel_vbt_sdvo_fixed_mode(struct intel_connector *connector);
-struct drm_display_mode *
-intel_panel_encoder_fixed_mode(struct intel_connector *connector,
-			       struct intel_encoder *encoder);
+void intel_panel_add_edid_fixed_mode(struct intel_connector *connector);
+void intel_panel_add_edid_downclock_mode(struct intel_connector *connector);
+void intel_panel_add_vbt_lfp_fixed_mode(struct intel_connector *connector);
+void intel_panel_add_vbt_sdvo_fixed_mode(struct intel_connector *connector);
+void intel_panel_add_encoder_fixed_mode(struct intel_connector *connector,
+					struct intel_encoder *encoder);
 
 #endif /* __INTEL_PANEL_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c
index c9c3f71818d9..866e05c1a49d 100644
--- a/drivers/gpu/drm/i915/display/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/display/intel_sdvo.c
@@ -2871,7 +2871,6 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
 	struct drm_connector *connector;
 	struct intel_connector *intel_connector;
 	struct intel_sdvo_connector *intel_sdvo_connector;
-	struct drm_display_mode *fixed_mode;
 
 	DRM_DEBUG_KMS("initialising LVDS device %d\n", device);
 
@@ -2904,13 +2903,14 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
 	 * Fetch modes from VBT. For SDVO prefer the VBT mode since some
 	 * SDVO->LVDS transcoders can't cope with the EDID mode.
 	 */
-	fixed_mode = intel_panel_vbt_sdvo_fixed_mode(intel_connector);
-	if (!fixed_mode) {
+	intel_panel_add_vbt_sdvo_fixed_mode(intel_connector);
+
+	if (!intel_panel_preferred_fixed_mode(intel_connector)) {
 		intel_ddc_get_modes(connector, &intel_sdvo->ddc);
-		fixed_mode = intel_panel_edid_fixed_mode(intel_connector);
+		intel_panel_add_edid_fixed_mode(intel_connector);
 	}
 
-	intel_panel_init(intel_connector, fixed_mode, NULL);
+	intel_panel_init(intel_connector);
 
 	if (!intel_panel_preferred_fixed_mode(intel_connector))
 		goto err;
diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c
index dc43cb8ecb86..1954f07f0d3e 100644
--- a/drivers/gpu/drm/i915/display/vlv_dsi.c
+++ b/drivers/gpu/drm/i915/display/vlv_dsi.c
@@ -1859,7 +1859,7 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv)
 	struct drm_encoder *encoder;
 	struct intel_connector *intel_connector;
 	struct drm_connector *connector;
-	struct drm_display_mode *current_mode, *fixed_mode;
+	struct drm_display_mode *current_mode;
 	enum port port;
 	enum pipe pipe;
 
@@ -1980,15 +1980,16 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv)
 	intel_connector_attach_encoder(intel_connector, intel_encoder);
 
 	mutex_lock(&dev->mode_config.mutex);
-	fixed_mode = intel_panel_vbt_lfp_fixed_mode(intel_connector);
+	intel_panel_add_vbt_lfp_fixed_mode(intel_connector);
 	mutex_unlock(&dev->mode_config.mutex);
 
-	if (!fixed_mode) {
+	if (!intel_panel_preferred_fixed_mode(intel_connector)) {
 		drm_dbg_kms(&dev_priv->drm, "no fixed mode\n");
 		goto err_cleanup_connector;
 	}
 
-	intel_panel_init(intel_connector, fixed_mode, NULL);
+	intel_panel_init(intel_connector);
+
 	intel_backlight_setup(intel_connector, INVALID_PIPE);
 
 	vlv_dsi_add_properties(intel_connector);
-- 
2.34.1




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