From patchwork Wed Dec 8 15:34:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramalingam C X-Patchwork-Id: 12664697 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 506E6C433EF for ; Wed, 8 Dec 2021 15:34:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 314817394A; Wed, 8 Dec 2021 15:34:36 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 792E77394A; Wed, 8 Dec 2021 15:34:35 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10192"; a="301234021" X-IronPort-AV: E=Sophos;i="5.88,189,1635231600"; d="scan'208";a="301234021" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Dec 2021 07:34:24 -0800 X-IronPort-AV: E=Sophos;i="5.88,189,1635231600"; d="scan'208";a="679919197" 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 07:34:21 -0800 From: Ramalingam C To: intel-gfx , dri-devel Subject: [PATCH 0/3] drm/i915: Sanity Check for device memory region Date: Wed, 8 Dec 2021 21:04:01 +0530 Message-Id: <20211208153404.27546-1-ramalingam.c@intel.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Changes for introducing the quick test on the device memory range and also a test of detailed validation for each addr of the range with read and write. Detailed testing is optionally enabled with a modparam i915.memtest=1 And third patch fixes the driver accessible stolen memory. v2: Adding a wrapper for the memtest [Chris] v3: Handling a bisecting issue. Chris Wilson (3): drm/i915: Exclude reserved stolen from driver use drm/i915: Sanitycheck device iomem on probe drm/i915: Test all device memory on probing drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 3 + drivers/gpu/drm/i915/i915_params.c | 3 + drivers/gpu/drm/i915/i915_params.h | 1 + drivers/gpu/drm/i915/intel_memory_region.c | 128 +++++++++++++++++++++ 4 files changed, 135 insertions(+)