From patchwork Thu Dec 2 18:15:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matthew Auld X-Patchwork-Id: 12653221 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 DBBDAC433F5 for ; Thu, 2 Dec 2021 18:15:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 160816E8C1; Thu, 2 Dec 2021 18:15:37 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 39B656E135; Thu, 2 Dec 2021 18:15:35 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10185"; a="236575919" X-IronPort-AV: E=Sophos;i="5.87,282,1631602800"; d="scan'208";a="236575919" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Dec 2021 10:15:34 -0800 X-IronPort-AV: E=Sophos;i="5.87,282,1631602800"; d="scan'208";a="477995692" Received: from cmichel-mobl.ger.corp.intel.com (HELO mwauld-desk1.intel.com) ([10.252.25.51]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Dec 2021 10:15:33 -0800 From: Matthew Auld To: intel-gfx@lists.freedesktop.org Subject: [PATCH 1/8] drm/i915/migrate: don't check the scratch page Date: Thu, 2 Dec 2021 18:15:08 +0000 Message-Id: <20211202181515.2794397-1-matthew.auld@intel.com> X-Mailer: git-send-email 2.31.1 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: , Cc: =?utf-8?q?Thomas_Hellstr=C3=B6m?= , dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The scratch page might not be allocated in LMEM(like on DG2), so instead of using that as the deciding factor for where the paging structures live, let's just query the pt before mapping it. Signed-off-by: Matthew Auld Cc: Thomas Hellström Cc: Ramalingam C --- drivers/gpu/drm/i915/gt/intel_migrate.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c b/drivers/gpu/drm/i915/gt/intel_migrate.c index 765c6d48fe52..2d3188a398dd 100644 --- a/drivers/gpu/drm/i915/gt/intel_migrate.c +++ b/drivers/gpu/drm/i915/gt/intel_migrate.c @@ -13,7 +13,6 @@ struct insert_pte_data { u64 offset; - bool is_lmem; }; #define CHUNK_SZ SZ_8M /* ~1ms at 8GiB/s preemption delay */ @@ -41,7 +40,7 @@ static void insert_pte(struct i915_address_space *vm, struct insert_pte_data *d = data; vm->insert_page(vm, px_dma(pt), d->offset, I915_CACHE_NONE, - d->is_lmem ? PTE_LM : 0); + i915_gem_object_is_lmem(pt->base) ? PTE_LM : 0); d->offset += PAGE_SIZE; } @@ -135,7 +134,6 @@ static struct i915_address_space *migrate_vm(struct intel_gt *gt) goto err_vm; /* Now allow the GPU to rewrite the PTE via its own ppGTT */ - d.is_lmem = i915_gem_object_is_lmem(vm->vm.scratch[0]); vm->vm.foreach(&vm->vm, base, base + sz, insert_pte, &d); }