From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3A43DC433FE for ; Tue, 10 May 2022 10:42:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A110310F3AE; Tue, 10 May 2022 10:42:58 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id B742F10F3AE for ; Tue, 10 May 2022 10:42:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652179377; x=1683715377; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=qzHSWrr1rMiWv5W57ztryFjYIAZ1Q+X0vMpFhDbRXcU=; b=CvhYH4f3t5XCDRe5WAb78Bgu/wlcZ8PAULQgFcc58AHfBxzLmrlfmDuQ HogLTvrszEW3MMMDXeRDU4xmZtPAEfRsVSZOGmj/m862yHO01KI7fE2FL U4mzr/dRxIMzoFAJ2ZI9WAe+UOaMcCaxZUBRNAf8vyntUmvgF6NwkbFZ1 OqMEzAxY4ugd3vTVdx5gqe1NURgRYC0df2iw/Wj7WowRDhnLZlYki37Yp OIO3NGz3xTJ/davzOXnJu8/7PrejwwfVWUh+O0KQuGGiBFrUZtBdCIl4C cfu9uo2kzdwICGxE7Ou4hltjbab7NzEulHtzkd2yQXKJ3s8ztSTAq6tYO g==; X-IronPort-AV: E=McAfee;i="6400,9594,10342"; a="355760264" X-IronPort-AV: E=Sophos;i="5.91,214,1647327600"; d="scan'208";a="355760264" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2022 03:42:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,214,1647327600"; d="scan'208";a="570617736" Received: from stinkpipe.fi.intel.com (HELO stinkbox) ([10.237.72.51]) by fmsmga007.fm.intel.com with SMTP; 10 May 2022 03:42:55 -0700 Received: by stinkbox (sSMTP sendmail emulation); Tue, 10 May 2022 13:42:54 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Tue, 10 May 2022 13:42:31 +0300 Message-Id: <20220510104242.6099-5-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220510104242.6099-1-ville.syrjala@linux.intel.com> References: <20220510104242.6099-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Intel-gfx] [PATCH 04/15] drm/i915/pps: Introduce pps_delays_valid() X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Ville Syrjälä Add a small helper that determines if the PPS delays have been initialized or not. Signed-off-by: Ville Syrjälä --- 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 5b72c892a6f2..d1ce7dafce10 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); -- 2.35.1