From patchwork Thu Sep 2 11:28:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Hellstr=C3=B6m?= X-Patchwork-Id: 12471315 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E69BAC43214 for ; Thu, 2 Sep 2021 11:28:47 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B3DFE610E7 for ; Thu, 2 Sep 2021 11:28:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B3DFE610E7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2ECC36E4E8; Thu, 2 Sep 2021 11:28:47 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 226196E4E8; Thu, 2 Sep 2021 11:28:46 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10094"; a="219088318" X-IronPort-AV: E=Sophos;i="5.84,372,1620716400"; d="scan'208";a="219088318" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Sep 2021 04:28:45 -0700 X-IronPort-AV: E=Sophos;i="5.84,372,1620716400"; d="scan'208";a="542604191" Received: from smirnov2-mobl.ccr.corp.intel.com (HELO thellstr-mobl1.intel.com) ([10.249.254.24]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Sep 2021 04:28:43 -0700 From: =?utf-8?q?Thomas_Hellstr=C3=B6m?= To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: maarten.lankhorst@linux.intel.com, matthew.auld@intel.com, =?utf-8?q?Tho?= =?utf-8?q?mas_Hellstr=C3=B6m?= Date: Thu, 2 Sep 2021 13:28:18 +0200 Message-Id: <20210902112824.118524-1-thomas.hellstrom@linux.intel.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 0/6] drm/i915: Suspend / resume backup- and restore of LMEM. 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Implement backup and restore of LMEM during suspend / resume. What complicates things a bit is handling of pinned LMEM memory during suspend and the fact that we might be dealing with unmappable LMEM in the future, which makes us want to restrict the number of pinned objects that need memcpy resume. The first two patches are prereq patches implementing object content copy and a generic means of iterating through all objects in a region. The third patch adds the backup / recover / restore functions and the two last patches deal with restricting the number of objects we need to use memcpy for. Thomas Hellström (6): drm/i915/ttm: Implement a function to copy the contents of two TTM-base objects drm/i915/gem: Implement a function to process all gem objects of a region drm/i915 Implement LMEM backup and restore for suspend / resume drm/i915/gt: Register the migrate contexts with their engines drm/i915: Don't back up pinned LMEM context images and rings during suspend drm/i915: Reduce the number of objects subject to memcpy recover drivers/gpu/drm/i915/Makefile | 1 + drivers/gpu/drm/i915/gem/i915_gem_context.c | 4 +- .../gpu/drm/i915/gem/i915_gem_object_types.h | 21 +- drivers/gpu/drm/i915/gem/i915_gem_pm.c | 46 ++++ drivers/gpu/drm/i915/gem/i915_gem_pm.h | 1 + drivers/gpu/drm/i915/gem/i915_gem_region.c | 70 ++++++ drivers/gpu/drm/i915/gem/i915_gem_region.h | 33 +++ drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 87 +++++++- drivers/gpu/drm/i915/gem/i915_gem_ttm.h | 8 + drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c | 199 ++++++++++++++++++ drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.h | 23 ++ .../gpu/drm/i915/gem/selftests/huge_pages.c | 2 +- drivers/gpu/drm/i915/gt/gen6_ppgtt.c | 2 +- drivers/gpu/drm/i915/gt/gen8_ppgtt.c | 5 +- drivers/gpu/drm/i915/gt/gen8_ppgtt.h | 4 +- drivers/gpu/drm/i915/gt/intel_context_types.h | 8 + drivers/gpu/drm/i915/gt/intel_engine_cs.c | 4 + drivers/gpu/drm/i915/gt/intel_engine_pm.c | 23 ++ drivers/gpu/drm/i915/gt/intel_engine_pm.h | 2 + drivers/gpu/drm/i915/gt/intel_engine_types.h | 7 + drivers/gpu/drm/i915/gt/intel_ggtt.c | 2 +- drivers/gpu/drm/i915/gt/intel_gt.c | 2 +- drivers/gpu/drm/i915/gt/intel_gt_pm.c | 3 + drivers/gpu/drm/i915/gt/intel_gtt.c | 3 +- drivers/gpu/drm/i915/gt/intel_gtt.h | 9 +- drivers/gpu/drm/i915/gt/intel_lrc.c | 3 +- drivers/gpu/drm/i915/gt/intel_migrate.c | 2 +- drivers/gpu/drm/i915/gt/intel_ppgtt.c | 13 +- drivers/gpu/drm/i915/gt/intel_ring.c | 3 +- drivers/gpu/drm/i915/gt/mock_engine.c | 1 + drivers/gpu/drm/i915/gt/selftest_hangcheck.c | 2 +- .../gpu/drm/i915/gt/uc/intel_guc_submission.c | 10 +- drivers/gpu/drm/i915/gvt/scheduler.c | 2 +- drivers/gpu/drm/i915/i915_drv.c | 4 +- drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 4 +- 35 files changed, 566 insertions(+), 47 deletions(-) create mode 100644 drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c create mode 100644 drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.h