From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 556EEC433F5 for ; Mon, 4 Oct 2021 14:45:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3F8726137D for ; Mon, 4 Oct 2021 14:45:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234973AbhJDOrL (ORCPT ); Mon, 4 Oct 2021 10:47:11 -0400 Received: from mga01.intel.com ([192.55.52.88]:16798 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234804AbhJDOrJ (ORCPT ); Mon, 4 Oct 2021 10:47:09 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10126"; a="248713993" X-IronPort-AV: E=Sophos;i="5.85,346,1624345200"; d="scan'208";a="248713993" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Oct 2021 07:37:17 -0700 X-IronPort-AV: E=Sophos;i="5.85,346,1624345200"; d="scan'208";a="622303663" Received: from shearne-mobl.ger.corp.intel.com (HELO tursulin-mobl2.home) ([10.213.208.122]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Oct 2021 07:37:14 -0700 From: Tvrtko Ursulin To: Intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Tvrtko Ursulin , Chris Wilson , Aravind Iddamsetty Subject: [RFC 3/8] drm/i915: Make GEM contexts track DRM clients Date: Mon, 4 Oct 2021 15:36:45 +0100 Message-Id: <20211004143650.699120-4-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211004143650.699120-1-tvrtko.ursulin@linux.intel.com> References: <20211004143650.699120-1-tvrtko.ursulin@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tvrtko Ursulin Make GEM contexts keep a reference to i915_drm_client for the whole of of their lifetime which will come handy in following patches. v2: Don't bother supporting selftests contexts from debugfs. (Chris) v3 (Lucas): Finish constructing ctx before adding it to the list v4 (Ram): Rebase. v5: Trivial rebase for proto ctx changes. v6: Rebase after clients no longer track name and pid. Signed-off-by: Tvrtko Ursulin Reviewed-by: Chris Wilson # v5 Reviewed-by: Aravind Iddamsetty # v5 Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/gem/i915_gem_context.c | 5 +++++ drivers/gpu/drm/i915/gem/i915_gem_context_types.h | 3 +++ 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 8208fd5b72c3..9296d69681d7 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -956,6 +956,9 @@ static void i915_gem_context_release_work(struct work_struct *work) if (vm) i915_vm_put(vm); + if (ctx->client) + i915_drm_client_put(ctx->client); + mutex_destroy(&ctx->engines_mutex); mutex_destroy(&ctx->lut_mutex); @@ -1373,6 +1376,8 @@ static void gem_context_register(struct i915_gem_context *ctx, ctx->file_priv = fpriv; ctx->pid = get_task_pid(current, PIDTYPE_PID); + ctx->client = i915_drm_client_get(fpriv->client); + snprintf(ctx->name, sizeof(ctx->name), "%s[%d]", current->comm, pid_nr(ctx->pid)); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h index c4617e4d9fa9..598c57ac5cdf 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h @@ -277,6 +277,9 @@ struct i915_gem_context { /** @link: place with &drm_i915_private.context_list */ struct list_head link; + /** @client: struct i915_drm_client */ + struct i915_drm_client *client; + /** * @ref: reference count * -- 2.30.2