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 9375FC00A94 for ; Mon, 15 Apr 2024 19:01:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4A2F511218A; Mon, 15 Apr 2024 19:01:29 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ErJOt6b+"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id 951D010FF80 for ; Mon, 15 Apr 2024 19:01:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1713207687; x=1744743687; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=QRdn782d0K9F0PqK1lmQy4d/YF3s8KrQ/yJFV55UZC8=; b=ErJOt6b+KjrCw9qDlzMSauOIJvBLtqr1zKYBNb0x7BoinwnxwVpO/03y guBngCSpWvAO74GRyihAcRqnChKN7yqrWwVQZh1flUep2tU6KyIrzmcPT M0cXVu/4yPeN2zt7CoMWlJXsWAvsRimii5reGvzbkTqciDLEK/WQmbUxX AvtfmSOHJptDO5xKHqRM3Eq1nlp4cYGHjP3At8pG/8f2LyvaIzBCoP/Ha NdbWdzLZct3ZGQN4CLzgGz/B+GhBtwNSeNoPG5+V3MFRlUu0exUD0EZk3 IzwghJCas/oOInyrILuU8ZG/rI65AWL78sbkiLhzusfx5NWhntIT8yEO5 Q==; X-CSE-ConnectionGUID: x5FE+kETTYaGBO1cZoq1Sw== X-CSE-MsgGUID: WsFlFXSWTZ6OiO9wOkZaqA== X-IronPort-AV: E=McAfee;i="6600,9927,11045"; a="19765668" X-IronPort-AV: E=Sophos;i="6.07,203,1708416000"; d="scan'208";a="19765668" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2024 12:01:26 -0700 X-CSE-ConnectionGUID: SIPjlhHJQrqkklFb8CiOWA== X-CSE-MsgGUID: IlLQ2dD3QdWcJV6rFdG1hw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,203,1708416000"; d="scan'208";a="22094960" Received: from dut-internal-9dd7.jf.intel.com ([10.165.21.194]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2024 12:01:26 -0700 From: Jonathan Cavitt To: intel-xe@lists.freedesktop.org Cc: jonathan.cavitt@intel.com, saurabhg.gupta@intel.com, niranjana.vishwanathapura@intel.com, brian.welty@intel.com, matthew.d.roper@intel.com, matthew.brost@intel.com, john.c.harrison@intel.com Subject: [PATCH v5 1/4] drm/xe/lrc: Add xe lrc ring tail function definitions Date: Mon, 15 Apr 2024 11:46:05 -0700 Message-Id: <20240415184608.2918959-1-jonathan.cavitt@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Add defintions for the functions xe_lrc_set_ring_tail and xe_lrc_ring_tail to match the definitions for xe_lrc_set_ring_head and xe_lrc_ring_head, respectively, except tarting the lrc tail. Signed-off-by: Jonathan Cavitt CC: Niranjana Vishwanathapura CC: Brian Welty CC: Matt Roper --- drivers/gpu/drm/xe/xe_lrc.c | 10 ++++++++++ drivers/gpu/drm/xe/xe_lrc.h | 2 ++ 2 files changed, 12 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c index 615bbc372ac62..e91ecbcceba5c 100644 --- a/drivers/gpu/drm/xe/xe_lrc.c +++ b/drivers/gpu/drm/xe/xe_lrc.c @@ -834,6 +834,16 @@ void xe_lrc_finish(struct xe_lrc *lrc) xe_bo_put(lrc->bo); } +void xe_lrc_set_ring_tail(struct xe_lrc *lrc, u32 tail) +{ + xe_lrc_write_ctx_reg(lrc, CTX_RING_TAIL, tail); +} + +u32 xe_lrc_ring_tail(struct xe_lrc *lrc) +{ + return xe_lrc_read_ctx_reg(lrc, CTX_RING_TAIL) & TAIL_ADDR; +} + void xe_lrc_set_ring_head(struct xe_lrc *lrc, u32 head) { xe_lrc_write_ctx_reg(lrc, CTX_RING_HEAD, head); diff --git a/drivers/gpu/drm/xe/xe_lrc.h b/drivers/gpu/drm/xe/xe_lrc.h index d32fa31faa2cf..f355b0eeb5658 100644 --- a/drivers/gpu/drm/xe/xe_lrc.h +++ b/drivers/gpu/drm/xe/xe_lrc.h @@ -24,6 +24,8 @@ void xe_lrc_finish(struct xe_lrc *lrc); size_t xe_lrc_size(struct xe_device *xe, enum xe_engine_class class); u32 xe_lrc_pphwsp_offset(struct xe_lrc *lrc); +void xe_lrc_set_ring_tail(struct xe_lrc *lrc, u32 tail); +u32 xe_lrc_ring_tail(struct xe_lrc *lrc); void xe_lrc_set_ring_head(struct xe_lrc *lrc, u32 head); u32 xe_lrc_ring_head(struct xe_lrc *lrc); u32 xe_lrc_ring_space(struct xe_lrc *lrc); -- 2.25.1