Commit 60b02a09 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915/pps: Introduce pps_delays_valid() 



Add a small helper that determines if the PPS delays have been
initialized or not.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220510104242.6099-5-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 75bd0d5e

drivers/gpu/drm/i915/display/intel_pps.c

+7 −1
Original line number Diff line number Diff line
@@ -1159,6 +1159,12 @@ intel_pps_verify_state(struct intel_dp *intel_dp) 
	}

}



static bool pps_delays_valid(struct edp_power_seq *delays)

{

	return delays->t1_t3 || delays->t8 || delays->t9 ||

		delays->t10 || delays->t11_t12;

}



static void pps_init_delays_cur(struct intel_dp *intel_dp,

				struct edp_power_seq *cur)

{
@@ -1230,7 +1236,7 @@ static void pps_init_delays(struct intel_dp *intel_dp) 
	lockdep_assert_held(&dev_priv->pps_mutex);



	/* already initialized? */

	if (final->t11_t12 != 0)

	if (pps_delays_valid(final))

		return;



	pps_init_delays_cur(intel_dp, &cur);