---
drivers/gpu/drm/i915/display/intel_display_power.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c
b/drivers/gpu/drm/i915/display/intel_display_power.c
index 7946c6af4b1e..9530f6e0b10c 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -601,6 +601,9 @@ icl_tc_phy_aux_power_well_enable(struct drm_i915_private
*dev_priv,
bool timeout_expected;
u32 val;
+ if (!dig_port)
+ return;
+
icl_tc_port_assert_ref_held(dev_priv, power_well, dig_port);
val = intel_de_read(dev_priv, DP_AUX_CH_CTL(aux_ch));
--
2.26.0
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