From patchwork Thu Feb 22 11:57:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Hogander, Jouni" X-Patchwork-Id: 13567178 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 F318FC48BEB for ; Thu, 22 Feb 2024 11:57:53 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 39B1A10E545; Thu, 22 Feb 2024 11:57:53 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="QYHs8m+X"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id 366A010E8F0 for ; Thu, 22 Feb 2024 11:57:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1708603070; x=1740139070; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=X1NMuppCKpdExW6yQfFGQ2VuKnnRgF8yaFAAz4LT43k=; b=QYHs8m+XBvGwAF0DpyjZ/dM9kKqfPFOzEtaAvPtdPE/qT3OHSxN6Jn9K 5j98nVMFbhf4ERfB46WULrd3u4z5mjEMHO1m4roV2KRlTCTLgnkZXxaQk vzFtbwyv1nKAm+QB7LdV+VV3j1UxtnmqU74fcCadZiycKIRg67BPCy8Dv HR6Po1N+7tZlb6yXG5hQoglha3hX/G4ivrVUE9e9jjQXWfe0C6h/AWG0N Md5GXO4hgTh5AQbKPQuzKNK0KaWPtkORrjoe7d1QckYtML0hoRVesVIjw L+HFHlY5Dnaw5BbSU212vBgfRhnYg85Sz2ePUehQIz1TOrw6VYqJ50zEH w==; X-IronPort-AV: E=McAfee;i="6600,9927,10991"; a="2972938" X-IronPort-AV: E=Sophos;i="6.06,177,1705392000"; d="scan'208";a="2972938" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Feb 2024 03:57:50 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,177,1705392000"; d="scan'208";a="5840020" Received: from alaakso-mobl.ger.corp.intel.com (HELO jhogande-mobl1.intel.com) ([10.249.43.250]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Feb 2024 03:57:49 -0800 From: =?utf-8?q?Jouni_H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org Cc: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= , =?utf-8?q?Jouni_H=C3=B6gander?= Subject: [PATCH v2 1/5] drm/i915/display: Make intel_dp_aux_fw_sync_len available for PSR code Date: Thu, 22 Feb 2024 13:57:24 +0200 Message-Id: <20240222115728.3371478-2-jouni.hogander@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240222115728.3371478-1-jouni.hogander@intel.com> References: <20240222115728.3371478-1-jouni.hogander@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo 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" ALPM AUX-Wake fast wake sync pulse count is needed by PSR to calculate IO wake and fast wake lines. Convert intel_dp_aux_fw_sync_len as non-static to make it available for PSR code. u8 is enough for fw sync pulse length. Signed-off-by: Jouni Högander --- drivers/gpu/drm/i915/display/intel_dp_aux.c | 6 +++--- drivers/gpu/drm/i915/display/intel_dp_aux.h | 1 + 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c index 4f4a0e3b3114..7a5cfd77d43b 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c @@ -143,10 +143,10 @@ static int intel_dp_aux_sync_len(void) return precharge + preamble; } -static int intel_dp_aux_fw_sync_len(void) +u8 intel_dp_aux_fw_sync_len(void) { - int precharge = 10; /* 10-16 */ - int preamble = 8; + u8 precharge = 10; /* 10-16 */ + u8 preamble = 8; return precharge + preamble; } diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.h b/drivers/gpu/drm/i915/display/intel_dp_aux.h index 8447f3e601fe..8e6a62abf01a 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux.h +++ b/drivers/gpu/drm/i915/display/intel_dp_aux.h @@ -20,5 +20,6 @@ enum aux_ch intel_dp_aux_ch(struct intel_encoder *encoder); void intel_dp_aux_irq_handler(struct drm_i915_private *i915); u32 intel_dp_aux_pack(const u8 *src, int src_bytes); +u8 intel_dp_aux_fw_sync_len(void); #endif /* __INTEL_DP_AUX_H__ */