From patchwork Sat Aug 17 21:00:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andi Shyti X-Patchwork-Id: 13767241 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 D3AC2C531DF for ; Sat, 17 Aug 2024 21:01:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7C09910E101; Sat, 17 Aug 2024 21:01:46 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="JleP4JL6"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id DFB4B10E10B; Sat, 17 Aug 2024 21:01:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1723928505; x=1755464505; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Q5PxyC1tnw8apAtefvtXAp7XORqkFfgrpqmzyOQHLDY=; b=JleP4JL6crAqR7sB9r22ea/6Pk540dy+KzzadQzbJZ6y2r3C2WFEcNa5 2v6NQ5KcjdBEEH+Sp9peTarINnr2LVb0CwpjkxZ9/ziQftaBG0MAJIsSV yfehWvturgbKQiMkXc0uI92QNMLb/89T5MzMZTBi7hgSnAJti7oJOE8B/ ol0MxfnbkvWtZuKlU5gv1TZQb0+eA4jGUaycUqc9YvxeL+Yr1BFtJ2exN D14W39RYoFJHggtexczBvkfQ7qAiXjIPs8Ip5RTfqMmSs3h0EcPrhBGPG lWQzu4qGtqPSmtWplcv6BFF28v2lUPuGlYtbFhOXI72hgBqA475kx5lre A==; X-CSE-ConnectionGUID: LdBBZb4PRjiuk7k/RgMIkQ== X-CSE-MsgGUID: nfIuOn8TS8yAc904KHcs6w== X-IronPort-AV: E=McAfee;i="6700,10204,11167"; a="32775447" X-IronPort-AV: E=Sophos;i="6.10,155,1719903600"; d="scan'208";a="32775447" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Aug 2024 14:01:45 -0700 X-CSE-ConnectionGUID: D2FKMOTPT8CYAmgBb1lIyQ== X-CSE-MsgGUID: LL4BF6CER+6bHr+FvUa4Gg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,155,1719903600"; d="scan'208";a="64382576" Received: from fdefranc-mobl3.ger.corp.intel.com (HELO intel.com) ([10.245.246.11]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Aug 2024 14:01:42 -0700 From: Andi Shyti To: intel-gfx , dri-devel Cc: Chris Wilson , Andi Shyti Subject: [RFC PATCH v2 09/11] drm/i915/gt: Isolate single sysfs engine file creation Date: Sat, 17 Aug 2024 23:00:24 +0200 Message-ID: <20240817210026.310645-10-andi.shyti@linux.intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240817210026.310645-1-andi.shyti@linux.intel.com> References: <20240817210026.310645-1-andi.shyti@linux.intel.com> MIME-Version: 1.0 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" In preparation for upcoming patches, we need the ability to create and remove individual sysfs files. To facilitate this, extract from the intel_engines_add_sysfs() function the creation of individual files. Signed-off-by: Andi Shyti --- drivers/gpu/drm/i915/gt/sysfs_engines.c | 75 ++++++++++++++++--------- drivers/gpu/drm/i915/gt/sysfs_engines.h | 2 + 2 files changed, 49 insertions(+), 28 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/sysfs_engines.c b/drivers/gpu/drm/i915/gt/sysfs_engines.c index d0bb2aa561ed..3356fadce327 100644 --- a/drivers/gpu/drm/i915/gt/sysfs_engines.c +++ b/drivers/gpu/drm/i915/gt/sysfs_engines.c @@ -9,6 +9,7 @@ #include "i915_drv.h" #include "intel_engine.h" #include "intel_engine_heartbeat.h" +#include "intel_gt_print.h" #include "sysfs_engines.h" struct kobj_engine { @@ -483,7 +484,7 @@ static void add_defaults(struct kobj_engine *parent) parent->engine->kobj_defaults = &ke->base; } -void intel_engines_add_sysfs(struct drm_i915_private *i915) +int intel_engine_add_single_sysfs(struct intel_engine_cs *engine) { static const struct attribute * const files[] = { &name_attr.attr, @@ -499,46 +500,64 @@ void intel_engines_add_sysfs(struct drm_i915_private *i915) #endif NULL }; + struct kobject *dir = engine->i915->sysfs_engine; + struct kobject *kobj = engine->kobj; + int err; - struct device *kdev = i915->drm.primary->kdev; - struct intel_engine_cs *engine; - struct kobject *dir; - - dir = kobject_create_and_add("engine", &kdev->kobj); - if (!dir) - return; - - i915->sysfs_engine = dir; - - for_each_uabi_engine(engine, i915) { - struct kobject *kobj; - + if (!kobj) { kobj = kobj_engine(dir, engine); if (!kobj) goto err_engine; + } - if (sysfs_create_files(kobj, files)) + err = sysfs_create_files(kobj, files); + if (err) + goto err_object; + + if (intel_engine_has_timeslices(engine)) { + err = sysfs_create_file(kobj, ×lice_duration_attr.attr); + if (err) goto err_object; + } - if (intel_engine_has_timeslices(engine) && - sysfs_create_file(kobj, ×lice_duration_attr.attr)) - goto err_engine; + if (intel_engine_has_preempt_reset(engine)) { + err = sysfs_create_file(kobj, &preempt_timeout_attr.attr); + if (err) + goto err_object; + } - if (intel_engine_has_preempt_reset(engine) && - sysfs_create_file(kobj, &preempt_timeout_attr.attr)) - goto err_engine; + add_defaults(container_of(kobj, struct kobj_engine, base)); - add_defaults(container_of(kobj, struct kobj_engine, base)); + engine->kobj = kobj; - engine->kobj = kobj; + return 0; - if (0) { err_object: - kobject_put(kobj); + kobject_put(kobj); err_engine: - dev_err(kdev, "Failed to add sysfs engine '%s'\n", - engine->name); + gt_err(engine->gt, "Failed to add sysfs engine '%s'\n", + engine->name); + + return err; +} + +void intel_engines_add_sysfs(struct drm_i915_private *i915) +{ + struct device *kdev = i915->drm.primary->kdev; + struct intel_engine_cs *engine; + struct kobject *dir; + + dir = kobject_create_and_add("engine", &kdev->kobj); + if (!dir) + return; + + i915->sysfs_engine = dir; + + for_each_uabi_engine(engine, i915) { + int err; + + err = intel_engine_add_single_sysfs(engine); + if (err) break; - } } } diff --git a/drivers/gpu/drm/i915/gt/sysfs_engines.h b/drivers/gpu/drm/i915/gt/sysfs_engines.h index 9546fffe03a7..2e3ec2df14a9 100644 --- a/drivers/gpu/drm/i915/gt/sysfs_engines.h +++ b/drivers/gpu/drm/i915/gt/sysfs_engines.h @@ -7,7 +7,9 @@ #define INTEL_ENGINE_SYSFS_H struct drm_i915_private; +struct intel_engine_cs; void intel_engines_add_sysfs(struct drm_i915_private *i915); +int intel_engine_add_single_sysfs(struct intel_engine_cs *engine); #endif /* INTEL_ENGINE_SYSFS_H */