From patchwork Tue Mar 5 12:04:54 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Hogander, Jouni" X-Patchwork-Id: 13582277 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 F39F3C54E41 for ; Tue, 5 Mar 2024 12:05:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4E1C410FCF3; Tue, 5 Mar 2024 12:05:18 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="LelJPdTk"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5C89710FCF3 for ; Tue, 5 Mar 2024 12:05:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709640317; x=1741176317; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=RdYW/DEqW8fb79gzkjbK1bc+WTqQ+Rjx6FDNe7jwyis=; b=LelJPdTk/TdKTbeTM1DHe/yqRfr7ZmbZpiPmlnG0fBu14/a/3vkLaM+w 4XClpex3t6wKRK9zc6tmzqHRCpTgzuMff34uQiwjDoDgCMyd0YU7g+H2X F98WYi86oLpomvOaDARBVLb2oI4bRD0yrCwMPWPk7qnM8O3HibUazzJDC CndOKQKkoEsdUQbJrEIL4i7vTV/ED6e5n6ECiYa3+gBEw0cW5DPUYsQ3k IRwbm+XwkQ7pkNaRx3u61WHNBq04nocEeLUBJfDYNQzoTt7HD5W+pKTew 8IYxpPVOtg3UUTUnZ7QjYZpbRpZsG+mjElDnSTFhQ4tb3XJW+2LwLsaGF g==; X-IronPort-AV: E=McAfee;i="6600,9927,11003"; a="7132091" X-IronPort-AV: E=Sophos;i="6.06,205,1705392000"; d="scan'208";a="7132091" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Mar 2024 04:05:17 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,205,1705392000"; d="scan'208";a="9417775" Received: from snasibli-mobl2.ccr.corp.intel.com (HELO jhogande-mobl1.intel.com) ([10.252.33.194]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Mar 2024 04:05:15 -0800 From: =?utf-8?q?Jouni_H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org Cc: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= , Jani Nikula , =?utf-8?q?Jouni_H=C3=B6gander?= Subject: [PATCH v3 1/5] drm/i915/display: Make intel_dp_aux_fw_sync_len available for PSR code Date: Tue, 5 Mar 2024 14:04:54 +0200 Message-Id: <20240305120458.1275218-2-jouni.hogander@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240305120458.1275218-1-jouni.hogander@intel.com> References: <20240305120458.1275218-1-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. v2: use int instead of u8 Signed-off-by: Jouni Högander --- drivers/gpu/drm/i915/display/intel_dp_aux.c | 2 +- drivers/gpu/drm/i915/display/intel_dp_aux.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c index 4f4a0e3b3114..7e69be100d90 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c @@ -143,7 +143,7 @@ static int intel_dp_aux_sync_len(void) return precharge + preamble; } -static int intel_dp_aux_fw_sync_len(void) +int intel_dp_aux_fw_sync_len(void) { int precharge = 10; /* 10-16 */ int preamble = 8; diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.h b/drivers/gpu/drm/i915/display/intel_dp_aux.h index 8447f3e601fe..76d1f2ed7c2f 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); +int intel_dp_aux_fw_sync_len(void); #endif /* __INTEL_DP_AUX_H__ */