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 6B410C7EE37 for ; Fri, 9 Jun 2023 18:49:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2939B10E0AE; Fri, 9 Jun 2023 18:49:25 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 52ED110E0AE for ; Fri, 9 Jun 2023 18:49:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686336563; x=1717872563; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=UwvKhWNWgsm6GQJm+CESMHQw/Eoto6ynxJWpFx2QyPg=; b=SfDLtVjpMEjcocGzHVUftOs6rLwdvWs7XLugoUCUfRFMjX0MoE9FSZAx R6zVa5lehdzhmBYMXYCvAMKCeqqtfFAuwmg3QGY/2+w0h9uK8VeaoYu8b clLK1Iba+YJHWWTIQAxXpD9KONE1z3AABh/hta1FD82qXxOtDhf4B22pY tUK4T9wr5lSlMoA0nbA/9GWIbt0SbwzLVKDH4mezU5o9Gbn/j8wnpDNIW 6SCLcnZTeZLIoTptosFP5AGJ45IJKNqNeVJjnG42Y2i0eksaiWZdJ9e/H R4w2V0wqf2Njn4v6eikGSoI1mRa3DAFDI4pXZ2aklAjbYdSbCszxnZybA Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10736"; a="360148661" X-IronPort-AV: E=Sophos;i="6.00,230,1681196400"; d="scan'208";a="360148661" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jun 2023 11:49:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10736"; a="1040581377" X-IronPort-AV: E=Sophos;i="6.00,230,1681196400"; d="scan'208";a="1040581377" Received: from aravind-dev.iind.intel.com ([10.145.162.80]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jun 2023 11:49:20 -0700 From: Aravind Iddamsetty To: intel-xe@lists.freedesktop.org Date: Sat, 10 Jun 2023 00:22:48 +0530 Message-Id: <20230609185249.2032370-1-aravind.iddamsetty@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Intel-xe] [PATCH 0/1] Fix stolen memory size calculation 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: , Cc: matthew.d.roper@intel.com Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" The stolen memory is not being calculated properly, DSMBASE is considered as stolen base which is wrong. The stolen base should be either GSMBASE or FLAT_CCS_BASE_ADDR when flat ccs is enabled. debugfs output showing wrong stolen size as 8MiB while it should be 16MiB: # cat /sys/kernel/debug/dri/1/stolen_mm use_type: 1 use_tt: 0 size: 8388608 usage: 0 default_page_size: 64KiB visible_avail: 8MiB visible_size: 8MiB chunk_size: 64KiB, total: 8MiB, free: 8MiB order-7 free: 8MiB, pages: 1 order-6 free: 0KiB, pages: 0 order-5 free: 0KiB, pages: 0 order-4 free: 0KiB, pages: 0 order-3 free: 0KiB, pages: 0 order-2 free: 0KiB, pages: 0 order-1 free: 0KiB, pages: 0 order-0 free: 0KiB, pages: 0 man size:8388608 output with this patch: # cat /sys/kernel/debug/dri/1/stolen_mm use_type: 1 use_tt: 0 size: 16777216 usage: 0 default_page_size: 64KiB visible_avail: 16MiB visible_size: 16MiB chunk_size: 64KiB, total: 16MiB, free: 16MiB order-8 free: 16MiB, pages: 1 order-7 free: 0KiB, pages: 0 order-6 free: 0KiB, pages: 0 order-5 free: 0KiB, pages: 0 order-4 free: 0KiB, pages: 0 order-3 free: 0KiB, pages: 0 order-2 free: 0KiB, pages: 0 order-1 free: 0KiB, pages: 0 order-0 free: 0KiB, pages: 0 man size:16777216 Cc: Matt Roper Aravind Iddamsetty (1): drm/xe: Fix stolen memory size calculation drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) -- 2.25.1