From patchwork Wed Apr 20 18:16:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matthew Auld X-Patchwork-Id: 12820637 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 B79C3C433EF for ; Wed, 20 Apr 2022 18:16:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AEA1E10E031; Wed, 20 Apr 2022 18:16:26 +0000 (UTC) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id DC55310E031; Wed, 20 Apr 2022 18:16:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650478585; x=1682014585; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=JI/PQ35JsaPHJwaCoTn02lr0WPN2Q6LfIMFWc7RLmjw=; b=GOKkVsKV7i1tkCaPS//RhA6AprTVXUDZBwkXjvrKu3f42mAhizjb6NCy y0UHeuk1B52OxeLwMIdxvEfvWUGM47voWGJ1WxPaetvZjSHQPen8a2sr4 psfWj/mt5hGGvoRDpA8IBekF4FJtD0GXmT1P/RrCa0zR7s20EilSyzFyg CAYf0vqI1gGjA1koyTxHxLPpmzsMIpE6K2ihJHk7OqxEVNSOaaq9WrlJi 4BgppR3hLl0oxjXqEd1v1ey0QeQXHzpk+uLH5RaXyVHPiI18zpr0zDCX3 GCxppou+Ag0Mcxh7Yj69KkxeF9TfVtOmsKBMeLgTNqLRs+GvEp8kOHTW2 w==; X-IronPort-AV: E=McAfee;i="6400,9594,10323"; a="261723144" X-IronPort-AV: E=Sophos;i="5.90,276,1643702400"; d="scan'208";a="261723144" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Apr 2022 11:16:25 -0700 X-IronPort-AV: E=Sophos;i="5.90,276,1643702400"; d="scan'208";a="593286068" Received: from briansim-mobl.ger.corp.intel.com (HELO mwauld-desk1.intel.com) ([10.252.3.144]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Apr 2022 11:16:23 -0700 From: Matthew Auld To: intel-gfx@lists.freedesktop.org Subject: [CI 1/4] drm/i915: consider min_page_size when migrating Date: Wed, 20 Apr 2022 19:16:10 +0100 Message-Id: <20220420181613.70033-1-matthew.auld@intel.com> X-Mailer: git-send-email 2.34.1 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?= , Nirmoy Das , dri-devel@lists.freedesktop.org, Nirmoy Das Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" We can only force migrate an object if the existing object size is compatible with the new destinations min_page_size for the region. Currently we blow up with something like: [ 2857.497462] kernel BUG at drivers/gpu/drm/i915/gt/intel_migrate.c:431! [ 2857.497497] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI [ 2857.497502] CPU: 1 PID: 8921 Comm: i915_selftest Tainted: G U W 5.18.0-rc1-drm-tip+ #27 [ 2857.497513] RIP: 0010:emit_pte.cold+0x11a/0x17e [i915] [ 2857.497646] Code: 00 48 c7 c2 f0 cd c1 a0 48 c7 c7 e9 99 bd a0 e8 d2 77 5d e0 bf 01 00 00 00 e8 08 47 5d e0 31 f6 bf 09 00 00 00 e8 3c 7b 4d e0 <0f> 0b 48 c7 c1 e0 2a c5 a0 ba 34 00 00 00 48 c7 c6 00 ce c1 a0 48 [ 2857.497654] RSP: 0018:ffffc900000f7748 EFLAGS: 00010246 [ 2857.497658] RAX: 0000000000000000 RBX: ffffc900000f77c8 RCX: 0000000000000006 [ 2857.497662] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009 [ 2857.497665] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 2857.497668] R10: 0000000000022302 R11: ffff88846dea08f0 R12: 0000000000010000 [ 2857.497672] R13: 0000000001880000 R14: 000000000000081b R15: ffff888106b7c040 [ 2857.497675] FS: 00007f0d4c4e0600(0000) GS:ffff88845da80000(0000) knlGS:0000000000000000 [ 2857.497679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2857.497682] CR2: 00007f113966c088 CR3: 0000000211e60003 CR4: 00000000003706e0 [ 2857.497686] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2857.497689] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2857.497692] Call Trace: [ 2857.497694] [ 2857.497697] intel_context_migrate_copy+0x1e5/0x4f0 [i915] Signed-off-by: Matthew Auld Cc: Thomas Hellström Cc: Nirmoy Das Reviewed-by: Nirmoy Das --- drivers/gpu/drm/i915/gem/i915_gem_object.c | 3 +++ drivers/gpu/drm/i915/gem/selftests/i915_gem_migrate.c | 4 +++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c index 747ac65e060f..06b1b188ce5a 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c @@ -606,6 +606,9 @@ bool i915_gem_object_can_migrate(struct drm_i915_gem_object *obj, if (!mr) return false; + if (!IS_ALIGNED(obj->base.size, mr->min_page_size)) + return false; + if (obj->mm.region == mr) return true; diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_migrate.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_migrate.c index 6bd61b1f839c..801af51aff62 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_migrate.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_migrate.c @@ -47,14 +47,16 @@ static int igt_create_migrate(struct intel_gt *gt, enum intel_region_id src, { struct drm_i915_private *i915 = gt->i915; struct intel_memory_region *src_mr = i915->mm.regions[src]; + struct intel_memory_region *dst_mr = i915->mm.regions[dst]; struct drm_i915_gem_object *obj; struct i915_gem_ww_ctx ww; int err = 0; GEM_BUG_ON(!src_mr); + GEM_BUG_ON(!dst_mr); /* Switch object backing-store on create */ - obj = i915_gem_object_create_region(src_mr, PAGE_SIZE, 0, 0); + obj = i915_gem_object_create_region(src_mr, dst_mr->min_page_size, 0, 0); if (IS_ERR(obj)) return PTR_ERR(obj);