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Commit ac3c12e4 authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Daniel Vetter
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drm/i915: Warn if stealing non pipe A/B power sequencer 



There's no power sequencer on pipe C on VLV/CHV so scream a bit if we
try to steal one from pipes other than A and B.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: default avatarImre Deak <imre.deak@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 83b84597

drivers/gpu/drm/i915/intel_dp.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -2691,6 +2691,9 @@ static void vlv_steal_power_sequencer(struct drm_device *dev, 




	lockdep_assert_held(&dev_priv->pps_mutex);

	lockdep_assert_held(&dev_priv->pps_mutex);





	if (WARN_ON(pipe != PIPE_A && pipe != PIPE_B))

		return;



	list_for_each_entry(encoder, &dev->mode_config.encoder_list,

	list_for_each_entry(encoder, &dev->mode_config.encoder_list,

			    base.head) {

			    base.head) {

		struct intel_dp *intel_dp;

		struct intel_dp *intel_dp;