From patchwork Tue Oct 25 06:58:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Niranjana Vishwanathapura X-Patchwork-Id: 13018591 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 367E2C04A95 for ; Tue, 25 Oct 2022 07:00:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AC80710E1BC; Tue, 25 Oct 2022 06:59:38 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id EDCF310E069; Tue, 25 Oct 2022 06:59:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1666681155; x=1698217155; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=aZMhw0olky91qBVpltsOTjmHT8LbBd+PQ6N1WzGsMOk=; b=ac5ZMb1B4n+C4p1M9lFFQ3rzx3NmChjkd4F4XMVrXcL6GF5BsQuGWuwU 3/TcTAe65go0L+pKL3S5AyHRELRWyiKrfGp8AUQlPREvUptU9M1DgSCTh GsWDZCA2aSSYq/jiIYIXWQtBVgbl6QU4wheWH/hIraDYUS6tVflMcXZgm LqqN/8NLcpz9Kgcisi9Gciosr6pAipia4tpCkz0UzIZCNGXrPzxTPzMPs t2e5o1PnJqqYTzL2WLWvbgEUl/98EMOG+tgiJP8V26oEQTJ6whbIzoefs zvxRDn76tYrKRr7Ed9YH2ddTF0gITBmGFA+tUbdeeQ9VIOWTTqT26hpU7 w==; X-IronPort-AV: E=McAfee;i="6500,9779,10510"; a="308697604" X-IronPort-AV: E=Sophos;i="5.95,211,1661842800"; d="scan'208";a="308697604" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Oct 2022 23:59:14 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10510"; a="806564429" X-IronPort-AV: E=Sophos;i="5.95,211,1661842800"; d="scan'208";a="806564429" Received: from nvishwa1-desk.sc.intel.com ([172.25.29.76]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Oct 2022 23:59:14 -0700 From: Niranjana Vishwanathapura To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH v5 13/19] drm/i915/vm_bind: Update i915_vma_verify_bind_complete() Date: Mon, 24 Oct 2022 23:58:59 -0700 Message-Id: <20221025065905.13325-14-niranjana.vishwanathapura@intel.com> X-Mailer: git-send-email 2.21.0.rc0.32.g243a4c7e27 In-Reply-To: <20221025065905.13325-1-niranjana.vishwanathapura@intel.com> References: <20221025065905.13325-1-niranjana.vishwanathapura@intel.com> 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: matthew.brost@intel.com, paulo.r.zanoni@intel.com, tvrtko.ursulin@intel.com, jani.nikula@intel.com, lionel.g.landwerlin@intel.com, thomas.hellstrom@intel.com, matthew.auld@intel.com, jason@jlekstrand.net, andi.shyti@linux.intel.com, daniel.vetter@intel.com, christian.koenig@amd.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Ensure i915_vma_verify_bind_complete() handles case where bind is not initiated. Also make it non static, add documentation and move it out of CONFIG_DRM_I915_DEBUG_GEM. v2: Fix fence leak Reviewed-by: Matthew Auld Signed-off-by: Niranjana Vishwanathapura Signed-off-by: Andi Shyti --- drivers/gpu/drm/i915/i915_vma.c | 22 ++++++++++++++++------ drivers/gpu/drm/i915/i915_vma.h | 1 + 2 files changed, 17 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index eaa13e9ba966..aa4705246993 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -439,12 +439,25 @@ int i915_vma_sync(struct i915_vma *vma) return i915_vm_sync(vma->vm); } -#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM) -static int i915_vma_verify_bind_complete(struct i915_vma *vma) +/** + * i915_vma_verify_bind_complete() - Check for the bind completion of the vma + * @vma: vma to check for bind completion + * + * As the fence reference is obtained under RCU, no locking is required by + * the caller. + * + * Returns: 0 if the vma bind is completed. Error code otherwise. + */ +int i915_vma_verify_bind_complete(struct i915_vma *vma) { - struct dma_fence *fence = i915_active_fence_get(&vma->active.excl); + struct dma_fence *fence; int err; + /* Ensure vma bind is initiated */ + if (!i915_vma_is_bound(vma, I915_VMA_BIND_MASK)) + return -EINVAL; + + fence = i915_active_fence_get(&vma->active.excl); if (!fence) return 0; @@ -457,9 +470,6 @@ static int i915_vma_verify_bind_complete(struct i915_vma *vma) return err; } -#else -#define i915_vma_verify_bind_complete(_vma) 0 -#endif I915_SELFTEST_EXPORT void i915_vma_resource_init_from_vma(struct i915_vma_resource *vma_res, diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h index 1cadbf8fdedf..04770f8ba815 100644 --- a/drivers/gpu/drm/i915/i915_vma.h +++ b/drivers/gpu/drm/i915/i915_vma.h @@ -440,6 +440,7 @@ void i915_vma_make_purgeable(struct i915_vma *vma); int i915_vma_wait_for_bind(struct i915_vma *vma); int i915_vma_sync(struct i915_vma *vma); +int i915_vma_verify_bind_complete(struct i915_vma *vma); /** * i915_vma_get_current_resource - Get the current resource of the vma