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 CAC9ACF45D2 for ; Mon, 12 Jan 2026 22:00:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6392D10E034; Mon, 12 Jan 2026 22:00:20 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="POrgsjY5"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3ED2210E176 for ; Mon, 12 Jan 2026 22:00:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1768255219; x=1799791219; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=g0Xz126IJs2Vr2+WCT576/x0xuluHFh6SaB/3NjdlvA=; b=POrgsjY58lBL2tmsCnI8kaOX3cx4fAMNizbf0MiNN8lv5fTwcfadYH2O VVx6E4ZdnrkifN55Y0WFvNNYPVVcw79PI97HmqH5cCPlB/rG37aplvHQ1 lM8mZWWdqNdGR/rjHkAuocWwHwABqZyzxLB8mpAjzTvUwGFKBWbk4mHFT 4Y6Fm9RMRPvNQEJ2aArHkU5Ulvs9ICLjeElAY08WwXpm2TY5dcCa+/Z9u 2IorA4xuSWP36RClfJU9zy9juxYzXKYbgPiDAHScyDZQxeq7C75ry/MsU OcIXbhqwFikB4N+8q7yZL694TfXrBgRV4Hwfgf+vVg+w6y6SH+V205zHV w==; X-CSE-ConnectionGUID: Zn4WaSpLQb6nP2FOR0HnhQ== X-CSE-MsgGUID: a0wx1BRGTb+mMr7ULlPE1Q== X-IronPort-AV: E=McAfee;i="6800,10657,11669"; a="79833166" X-IronPort-AV: E=Sophos;i="6.21,222,1763452800"; d="scan'208";a="79833166" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jan 2026 14:00:19 -0800 X-CSE-ConnectionGUID: +cpEpNxiS02w66rMjfuTsQ== X-CSE-MsgGUID: SzHjbwGiQL6BbMmE0PdoVg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,222,1763452800"; d="scan'208";a="203366555" Received: from fyang16-desk.jf.intel.com ([10.88.27.164]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jan 2026 14:00:18 -0800 From: fei.yang@intel.com To: intel-xe@lists.freedesktop.org Cc: matthew.d.roper@intel.com, matthew.brost@intel.com, Fei Yang Subject: [PATCH 1/1] drm/xe: vram addr range is expanded to bit[17:8] Date: Mon, 12 Jan 2026 14:03:30 -0800 Message-ID: <20260112220330.2267122-2-fei.yang@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260112220330.2267122-1-fei.yang@intel.com> References: <20260112220330.2267122-1-fei.yang@intel.com> 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" From: Fei Yang The bit field used to be [14:8] with [17:15] marked as SPARE and defaulted to 0. So, simply expand the read to bit[17:8] assuming the platforms using only bit[14:8] have zeros in the expanded bits. BSpec: 54991 Signed-off-by: Fei Yang --- drivers/gpu/drm/xe/xe_vram.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_vram.c b/drivers/gpu/drm/xe/xe_vram.c index c64d98bf1723..4f807eade2b7 100644 --- a/drivers/gpu/drm/xe/xe_vram.c +++ b/drivers/gpu/drm/xe/xe_vram.c @@ -155,7 +155,7 @@ static int tile_vram_size(struct xe_tile *tile, u64 *vram_size, *tile_offset = 0; } else { reg = xe_mmio_read32(&tile->mmio, SG_TILE_ADDR_RANGE(tile->id)); - *tile_size = (u64)REG_FIELD_GET(GENMASK(14, 8), reg) * SZ_1G; + *tile_size = (u64)REG_FIELD_GET(GENMASK(17, 8), reg) * SZ_1G; *tile_offset = (u64)REG_FIELD_GET(GENMASK(7, 1), reg) * SZ_1G; } -- 2.43.0