From patchwork Wed Dec 8 10:20:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramalingam C X-Patchwork-Id: 12664009 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 47707C433EF for ; Wed, 8 Dec 2021 10:21:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 383D66F532; Wed, 8 Dec 2021 10:21:06 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 048A56F51C; Wed, 8 Dec 2021 10:21:02 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10191"; a="261878389" X-IronPort-AV: E=Sophos;i="5.87,297,1631602800"; d="scan'208";a="261878389" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Dec 2021 02:21:00 -0800 X-IronPort-AV: E=Sophos;i="5.87,297,1631602800"; d="scan'208";a="679842502" Received: from ramaling-i9x.iind.intel.com ([10.99.66.205]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Dec 2021 02:20:56 -0800 From: Ramalingam C To: intel-gfx , dri-devel Date: Wed, 8 Dec 2021 15:50:31 +0530 Message-Id: <20211208102031.4397-4-ramalingam.c@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20211208102031.4397-1-ramalingam.c@intel.com> References: <20211208102031.4397-1-ramalingam.c@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 3/3] drm/i915: Exclude reserved stolen from driver use 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: Hellstrom Thomas , Andi , Matthew Auld , Chris Wilson Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Chris Wilson Remove the portion of stolen memory reserved for private use from driver access. Signed-off-by: Chris Wilson cc: Matthew Auld Signed-off-by: Ramalingam C --- drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c index bce03d74a0b4..6ea3ca21cdf3 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c @@ -488,6 +488,9 @@ static int i915_gem_init_stolen(struct intel_memory_region *mem) return 0; } + /* Exclude the reserved region from driver use */ + mem->region.end = reserved_base - 1; + /* It is possible for the reserved area to end before the end of stolen * memory, so just consider the start. */ reserved_total = stolen_top - reserved_base;