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-rw-r--r--drivers/gpu/drm/i915/intel_dp_mst.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
index d94fd4b..a8334e1 100644
--- a/drivers/gpu/drm/i915/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
@@ -163,6 +163,9 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder,
intel_ddi_clk_select(&intel_dig_port->base,
pipe_config->shared_dpll);
+ intel_display_power_get(dev_priv,
+ intel_dig_port->ddi_io_power_domain);
+
intel_prepare_dp_ddi_buffers(&intel_dig_port->base);
intel_dp_set_link_params(intel_dp,
pipe_config->port_clock,
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