From patchwork Wed Mar 13 13:32:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Hogander, Jouni" X-Patchwork-Id: 13591417 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 8FB79C54791 for ; Wed, 13 Mar 2024 13:32:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1DF5310E1E3; Wed, 13 Mar 2024 13:32:41 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="AsTIbrZ8"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) by gabe.freedesktop.org (Postfix) with ESMTPS id 74FF110E45D for ; Wed, 13 Mar 2024 13:32:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1710336760; x=1741872760; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jVubC4QvMl5CmJtOrF5RFRN26DjYEMh8jVLXHb0pQBE=; b=AsTIbrZ8ua0mvlDVq7rIz9sS59oytvl3VRoNdfq/R769EV52bWh60/9J K242gPMWpSdVIrjMEI75KYW2gufVHncYOdMD3gUAZLCHPU1ZFynLiK4u4 bPNkgO0jbuTDBdr5dnnYuJNAMboEChysk5G/w7WcpQ29ki3CFb9kU/1oU M9SV1SwbYcYPIYSUeHCBcjW3AzTztFxhM5YwfrhZXiBcTsCajbBR1ckez P5gjLLOD1tsm4WeSJpdTgfwBZTioZps4LILO0WGZdGaNWXFRiEoA/s1XK H2HTDwO3q7+zTrewg0VDtDx7VetDMr22pLRS0ShPWq7ULJdTdSvuGNnby w==; X-IronPort-AV: E=McAfee;i="6600,9927,11011"; a="30537780" X-IronPort-AV: E=Sophos;i="6.07,122,1708416000"; d="scan'208";a="30537780" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Mar 2024 06:32:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,122,1708416000"; d="scan'208";a="11977911" Received: from dgaudrex-mobl.amr.corp.intel.com (HELO jhogande-mobl1.intel.com) ([10.251.209.14]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Mar 2024 06:32:37 -0700 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 v6 1/4] drm/i915/display: Make intel_dp_aux_fw_sync_len available for PSR code Date: Wed, 13 Mar 2024 15:32:18 +0200 Message-Id: <20240313133221.868391-2-jouni.hogander@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240313133221.868391-1-jouni.hogander@intel.com> References: <20240313133221.868391-1-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 Reviewed-by: Ville Syrjälä --- 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__ */