From patchwork Thu Mar 31 14:09:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tvrtko Ursulin X-Patchwork-Id: 12797166 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 B237CC433FE for ; Thu, 31 Mar 2022 14:09:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6632C10EA53; Thu, 31 Mar 2022 14:09:34 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id E78B510E331; Thu, 31 Mar 2022 14:09:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648735770; x=1680271770; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dSsL6RVIjNFIM0OlRGOZHhauoL2ifp40M0lAQuTJ53g=; b=ZI1OL/eO3FcFk8R8ZLEN79QqOdfcpzpq//5uRImiF+Rtx8aI9B4NYmDq k6J+hc4xDwYaPlUgqf1rl6emSSPTo/W6QacT57rCYDwKZXQJZSBgoEwT9 XK/N/DVSHh9ZZzjRqckjs5igfgNmSJp1uOqcG7yDC406E7hlHu8syiPuZ scG4q3P8qdrSUKvbwmevA1aZ4W+KXeSRE4KNMRc/gLW1M3Y8sKDiY+KuW 1YhPkjE85GnhH9lycUzVr1p8oxpLPeIBkkbBQT7p0b9wGR4cYwT9rGBdy mlGRCXDgjsZjA+ReooA24V4OTy7zPRpCr6YEozyin66jnHYxLSSwX7lsj w==; X-IronPort-AV: E=McAfee;i="6200,9189,10302"; a="259825416" X-IronPort-AV: E=Sophos;i="5.90,225,1643702400"; d="scan'208";a="259825416" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Mar 2022 07:09:29 -0700 X-IronPort-AV: E=Sophos;i="5.90,225,1643702400"; d="scan'208";a="606114176" Received: from juanniex-mobl.ger.corp.intel.com (HELO tursulin-mobl2.home) ([10.213.215.247]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Mar 2022 07:09:28 -0700 From: Tvrtko Ursulin To: Intel-gfx@lists.freedesktop.org Date: Thu, 31 Mar 2022 15:09:14 +0100 Message-Id: <20220331140920.2986689-3-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220331140920.2986689-1-tvrtko.ursulin@linux.intel.com> References: <20220331140920.2986689-1-tvrtko.ursulin@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/8] drm/i915: Make GEM contexts track DRM clients 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: , Cc: dri-devel@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" 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 Reviewed-by: Umesh Nerlige Ramappa --- 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 5394fbed8bf0..6781ee34646c 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -1257,6 +1257,9 @@ static void i915_gem_context_release_work(struct work_struct *work) if (ctx->pxp_wakeref) intel_runtime_pm_put(&ctx->i915->runtime_pm, ctx->pxp_wakeref); + if (ctx->client) + i915_drm_client_put(ctx->client); + mutex_destroy(&ctx->engines_mutex); mutex_destroy(&ctx->lut_mutex); @@ -1663,6 +1666,8 @@ 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 282cdb8a5c5a..93d24f189ba9 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h @@ -293,6 +293,9 @@ 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 *