drm/i915: don't enable VDD just to enable the panel

We just don't need this. This saves 250ms from every modeset on my
machine.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 86dc6ecd357fdc81b4a6dee856a4f0c9e3315912..a75ceb5132ed6730023c0756eca506b4cdcbcda9 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1122,9 +1122,7 @@ static void intel_ddi_pre_enable(struct intel_encoder *intel_encoder)
 
        if (type == INTEL_OUTPUT_EDP) {
                struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
-               ironlake_edp_panel_vdd_on(intel_dp);
                ironlake_edp_panel_on(intel_dp);
-               ironlake_edp_panel_vdd_off(intel_dp, true);
        }
 
        WARN_ON(intel_crtc->ddi_pll_sel == PORT_CLK_SEL_NONE);