From patchwork Wed Mar 6 01:22:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andi Shyti X-Patchwork-Id: 13583168 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 8DD1AC54E49 for ; Wed, 6 Mar 2024 01:23:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7BFB6112DDC; Wed, 6 Mar 2024 01:23:30 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Lz3U5CC6"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 06F87112DDC; Wed, 6 Mar 2024 01:23:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709688210; x=1741224210; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ecdZVCYFIQKJ7XYWiZumdnMJJ0H31nX8duv0O4f5jPg=; b=Lz3U5CC6YjbZGLNG3XK6CuDgc7YLOOyUSECbiqWdILFNL+Zyg6dPN+dn exsQ5xUjEa4nujSqegtptNQ5KCxINarmPoe1T2AGksI259K1EtKlNO87f fh2uRuEeNyDzLhPy6gYQfNHZYFOIjKbPh+gWGFteLco4pj7i8AksiZRWZ yPBsbsHiqCwFVVBhrEgKPrF773ZfLmKlYfuHPv20vXyC9f8rdsrq0wjGB X+N5ZRglJNhWZZbpV7wT4gfcLpNut0TvGeZR48aMRJPJ4QhMiaUD3FxUr ZJbhOBCeslElDQw185GXFss4iNTgA3ble5Wqz3lwkOxnlQoEJiCJf8FLh g==; X-IronPort-AV: E=McAfee;i="6600,9927,11004"; a="8098448" X-IronPort-AV: E=Sophos;i="6.06,207,1705392000"; d="scan'208";a="8098448" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Mar 2024 17:23:29 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,207,1705392000"; d="scan'208";a="40574384" Received: from unknown (HELO intel.com) ([10.247.118.75]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Mar 2024 17:23:22 -0800 From: Andi Shyti To: intel-gfx , dri-devel Cc: Chris Wilson , Joonas Lahtinen , Matt Roper , John Harrison , stable@vger.kernel.org, Andi Shyti , Andi Shyti , Tvrtko Ursulin Subject: [PATCH v4 2/3] drm/i915/gt: Refactor uabi engine class/instance list creation Date: Wed, 6 Mar 2024 02:22:46 +0100 Message-ID: <20240306012247.246003-3-andi.shyti@linux.intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240306012247.246003-1-andi.shyti@linux.intel.com> References: <20240306012247.246003-1-andi.shyti@linux.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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" For the upcoming changes we need a cleaner way to build the list of uabi engines. Suggested-by: Tvrtko Ursulin Signed-off-by: Andi Shyti Cc: # v6.2+ --- drivers/gpu/drm/i915/gt/intel_engine_user.c | 29 ++++++++++++--------- 1 file changed, 17 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_engine_user.c b/drivers/gpu/drm/i915/gt/intel_engine_user.c index 833987015b8b..11cc06c0c785 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_user.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_user.c @@ -203,7 +203,7 @@ static void engine_rename(struct intel_engine_cs *engine, const char *name, u16 void intel_engines_driver_register(struct drm_i915_private *i915) { - u16 name_instance, other_instance = 0; + u16 class_instance[I915_LAST_UABI_ENGINE_CLASS + 2] = { }; struct legacy_ring ring = {}; struct list_head *it, *next; struct rb_node **p, *prev; @@ -214,6 +214,8 @@ void intel_engines_driver_register(struct drm_i915_private *i915) prev = NULL; p = &i915->uabi_engines.rb_node; list_for_each_safe(it, next, &engines) { + u16 uabi_class; + struct intel_engine_cs *engine = container_of(it, typeof(*engine), uabi_list); @@ -222,15 +224,14 @@ void intel_engines_driver_register(struct drm_i915_private *i915) GEM_BUG_ON(engine->class >= ARRAY_SIZE(uabi_classes)); engine->uabi_class = uabi_classes[engine->class]; - if (engine->uabi_class == I915_NO_UABI_CLASS) { - name_instance = other_instance++; - } else { - GEM_BUG_ON(engine->uabi_class >= - ARRAY_SIZE(i915->engine_uabi_class_count)); - name_instance = - i915->engine_uabi_class_count[engine->uabi_class]++; - } - engine->uabi_instance = name_instance; + + if (engine->uabi_class == I915_NO_UABI_CLASS) + uabi_class = I915_LAST_UABI_ENGINE_CLASS + 1; + else + uabi_class = engine->uabi_class; + + GEM_BUG_ON(uabi_class >= ARRAY_SIZE(class_instance)); + engine->uabi_instance = class_instance[uabi_class]++; /* * Replace the internal name with the final user and log facing @@ -238,11 +239,15 @@ void intel_engines_driver_register(struct drm_i915_private *i915) */ engine_rename(engine, intel_engine_class_repr(engine->class), - name_instance); + engine->uabi_instance); - if (engine->uabi_class == I915_NO_UABI_CLASS) + if (uabi_class > I915_LAST_UABI_ENGINE_CLASS) continue; + GEM_BUG_ON(uabi_class >= + ARRAY_SIZE(i915->engine_uabi_class_count)); + i915->engine_uabi_class_count[uabi_class]++; + rb_link_node(&engine->uabi_node, prev, p); rb_insert_color(&engine->uabi_node, &i915->uabi_engines);