drm/i915: Initialize PPS timestamps on vlv/chv

The pps timestamp initialization was accidentally lost on vlv/chv in

 commit a4a5d2f8a96e09844a91469e889f15bd5e927399
 Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
 Date:   Thu Sep 4 14:54:20 2014 +0300

    drm/i915: Track which port is using which pipe's power sequencer

Restore it so that we avoid introducing random delays into the pps operations
during/after driver init time.

Cc: Imre Deak <imre.deak@intel.com>
Reported-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index f1a5fe2..45c0a66 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -5364,12 +5364,11 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
 
        if (is_edp(intel_dp)) {
                pps_lock(intel_dp);
-               if (IS_VALLEYVIEW(dev)) {
+               intel_dp_init_panel_power_timestamps(intel_dp);
+               if (IS_VALLEYVIEW(dev))
                        vlv_initial_power_sequencer_setup(intel_dp);
-               } else {
-                       intel_dp_init_panel_power_timestamps(intel_dp);
+               else
                        intel_dp_init_panel_power_sequencer(dev, intel_dp);
-               }
                pps_unlock(intel_dp);
        }