Commit 1e74a324 authored Oct 28, 2014 by Ville Syrjälä Committed by Daniel Vetter Nov 04, 2014

drm/i915: Initialize PPS timestamps on vlv/chv



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

 commit a4a5d2f8
 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>

parent d806fbf5

drivers/gpu/drm/i915/intel_dp.c

+3 −4

Original line number	Diff line number	Diff line
		@@ -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)) {
		vlv_initial_power_sequencer_setup(intel_dp);
		} else {
		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_sequencer(dev, intel_dp);
		}
		pps_unlock(intel_dp);
		}