From 60b02a09598f87972a15bb181b9a62b8a8ee682a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Tue, 10 May 2022 13:42:31 +0300 Subject: [PATCH] drm/i915/pps: Introduce pps_delays_valid() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 --- drivers/gpu/drm/i915/display/intel_pps.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) 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); -- 2.30.2