From: Ville Syrjälä Date: Tue, 10 May 2022 10:42:31 +0000 (+0300) Subject: drm/i915/pps: Introduce pps_delays_valid() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=60b02a09598f87972a15bb181b9a62b8a8ee682a;p=linux.git 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: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20220510104242.6099-5-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c index bc56f0fe8e6d5..2ef6502703c29 100644 --- a/drivers/gpu/drm/i915/display/intel_pps.c +++ b/drivers/gpu/drm/i915/display/intel_pps.c @@ -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);