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-rw-r--r--drivers/gpu/drm/i915/intel_dp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index bcd81f96fc7f..27805a9ca877 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -894,6 +894,7 @@ static void intel_dp_prepare(struct drm_encoder *encoder)
uint32_t dp_reg = I915_READ(intel_dp->output_reg);
if (IS_eDP(intel_dp) || IS_PCH_eDP(intel_dp)) {
+ ironlake_edp_panel_off(dev);
ironlake_edp_backlight_off(dev);
ironlake_edp_panel_vdd_on(dev);
ironlake_edp_pll_on(encoder);