From patchwork Thu Jul 13 15:01:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nirmoy Das X-Patchwork-Id: 13312358 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 C3834C0015E for ; Thu, 13 Jul 2023 15:01:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3432310E6F9; Thu, 13 Jul 2023 15:01:54 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id B6D5A10E6F8 for ; Thu, 13 Jul 2023 15:01:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689260512; x=1720796512; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=ffKa50WXtjxxu/pM5iIbvMaUukrVo1T7rOkDM8txNXs=; b=gppFSi/xGU0r1IBqgiXX6m92mh5pWzZEqYclhqJS9sFyAMj8iq5yB00t 9ozXtHuAtdm6k33tMmL23ys5YF16cvbGLUhGUzkQVXQc/+p9ebr05c4yF Y5tY/W0so5giLQk2GtluiUwxIKJyyPZIKW3Dz9Rs5XuREtaI9Xg9wYWwV SvL5ABzVqzqLkroinBk9p3xv6UHxYSTOBY8apsxtgwz/90YQYzr2sF7K7 E80UofKY2JPQ9pxAyk0nCCeIDStvoH+nlOs6fIUt6rD6kkFqRvUENbHDN oJjFHIgCr7kOow0kzffswU1HtH9WSxwsIlFBU7hIpovc2SDgOXTCiimfX Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10770"; a="345528054" X-IronPort-AV: E=Sophos;i="6.01,203,1684825200"; d="scan'208";a="345528054" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jul 2023 08:01:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10770"; a="751668894" X-IronPort-AV: E=Sophos;i="6.01,203,1684825200"; d="scan'208";a="751668894" Received: from nirmoyda-desk.igk.intel.com ([10.102.138.190]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jul 2023 08:01:49 -0700 From: Nirmoy Das To: intel-gfx@lists.freedesktop.org Date: Thu, 13 Jul 2023 17:01:41 +0200 Message-Id: <20230713150142.12700-1-nirmoy.das@intel.com> X-Mailer: git-send-email 2.39.0 MIME-Version: 1.0 Organization: Intel Deutschland GmbH, Registered Address: Am Campeon 10, 85579 Neubiberg, Germany, Commercial Register: Amtsgericht Muenchen HRB 186928 Subject: [Intel-gfx] [PATCH 1/2] drm/i915/gt: Do not use stolen on MTL 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: , Cc: Andrzej Hajda , Nirmoy Das Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Use smem on MTL due to a HW bug in MTL that prevents reading from stolen memory using LMEM BAR. Cc: Oak Zeng Cc: Jani Nikula Cc: Joonas Lahtinen Cc: Andi Shyti Cc: Andrzej Hajda Signed-off-by: Nirmoy Das Reviewed-by: Oak Zeng Reviewed-by: Andrzej Hajda Reviewed-by: Andi Shyti --- drivers/gpu/drm/i915/gt/intel_gt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index 33a61046ba58..9f64d61dd5fc 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -466,7 +466,7 @@ static int intel_gt_init_scratch(struct intel_gt *gt, unsigned int size) obj = i915_gem_object_create_lmem(i915, size, I915_BO_ALLOC_VOLATILE | I915_BO_ALLOC_GPU_ONLY); - if (IS_ERR(obj)) + if (IS_ERR(obj) && !IS_METEORLAKE(i915)) /* Wa_22018444074 */ obj = i915_gem_object_create_stolen(i915, size); if (IS_ERR(obj)) obj = i915_gem_object_create_internal(i915, size);