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-rw-r--r--drivers/gpu/drm/i915/intel_dp.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 233e6fd89328..40be1fa65be1 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -150,9 +150,21 @@ intel_dp_mode_valid(struct drm_connector *connector,
150{ 150{
151 struct drm_encoder *encoder = intel_attached_encoder(connector); 151 struct drm_encoder *encoder = intel_attached_encoder(connector);
152 struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); 152 struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
153 struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
154 struct drm_device *dev = connector->dev;
155 struct drm_i915_private *dev_priv = dev->dev_private;
153 int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_encoder)); 156 int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_encoder));
154 int max_lanes = intel_dp_max_lane_count(intel_encoder); 157 int max_lanes = intel_dp_max_lane_count(intel_encoder);
155 158
159 if ((IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) &&
160 dev_priv->panel_fixed_mode) {
161 if (mode->hdisplay > dev_priv->panel_fixed_mode->hdisplay)
162 return MODE_PANEL;
163
164 if (mode->vdisplay > dev_priv->panel_fixed_mode->vdisplay)
165 return MODE_PANEL;
166 }
167
156 /* only refuse the mode on non eDP since we have seen some wierd eDP panels 168 /* only refuse the mode on non eDP since we have seen some wierd eDP panels
157 which are outside spec tolerances but somehow work by magic */ 169 which are outside spec tolerances but somehow work by magic */
158 if (!IS_eDP(intel_encoder) && 170 if (!IS_eDP(intel_encoder) &&