From patchwork Fri Oct 25 08:48:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Raag Jadav X-Patchwork-Id: 13850227 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 8C56FD0C5E6 for ; Fri, 25 Oct 2024 08:49:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 19D5F10EA39; Fri, 25 Oct 2024 08:49:21 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="mmYsUhFk"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id 98F7410EA39; Fri, 25 Oct 2024 08:49:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729846160; x=1761382160; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Svj8ABxPDx0YDOfkwsRDJHrtjUOb/SfFshkhtuXbvMI=; b=mmYsUhFkwIan4GegBwEofUN3Y//rD0qx2h4B/NjNRSw+Nd5y2bzb1naO fBBOl5pkjYJbe6xQgewMecabL2V7wi53sRQ0zXFxVoLEBarpbXw+CpqCQ QsWNt4+52Gd9EGE3YXTsYnMGSe25pxtxUv/mc9tBTA8yTH+fNhT8WwYEl g9okdJL46okP8KAikUHirb+zsnuS1I/ZK3oCoxbSpkQtpEgT9k2XZBqAx MuowBnRfp2UUx879nsuUaV+HHPJmASoEypLmbZBsjHY4RoAEHCrNzgk1N 957oaTWXlxnqjAb0Te0CKm1Pkgtgl7WoEfypXe1QYWvBb69R2pBhB9Rrh Q==; X-CSE-ConnectionGUID: kAQqa4/CSvetn/XXtakE6w== X-CSE-MsgGUID: jCN0CTvxSpOw/79bocdGvA== X-IronPort-AV: E=McAfee;i="6700,10204,11235"; a="32369533" X-IronPort-AV: E=Sophos;i="6.11,231,1725346800"; d="scan'208";a="32369533" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2024 01:49:19 -0700 X-CSE-ConnectionGUID: ohI25//FQAaPij8uhzHFGA== X-CSE-MsgGUID: f9RsNs2aQNOF6Y9vt8iGHw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,231,1725346800"; d="scan'208";a="80768588" Received: from jraag-nuc8i7beh.iind.intel.com ([10.145.169.79]) by orviesa010.jf.intel.com with ESMTP; 25 Oct 2024 01:49:13 -0700 From: Raag Jadav To: airlied@gmail.com, simona@ffwll.ch, lucas.demarchi@intel.com, rodrigo.vivi@intel.com, jani.nikula@linux.intel.com, andriy.shevchenko@linux.intel.com, lina@asahilina.net, michal.wajdeczko@intel.com, christian.koenig@amd.com Cc: intel-xe@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, himal.prasad.ghimiray@intel.com, aravind.iddamsetty@linux.intel.com, anshuman.gupta@intel.com, alexander.deucher@amd.com, andrealmeid@igalia.com, amd-gfx@lists.freedesktop.org, kernel-dev@igalia.com, Raag Jadav Subject: [PATCH v8 4/4] drm/i915: Use device wedged event Date: Fri, 25 Oct 2024 14:18:17 +0530 Message-Id: <20241025084817.144621-5-raag.jadav@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241025084817.144621-1-raag.jadav@intel.com> References: <20241025084817.144621-1-raag.jadav@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" Now that we have device wedged event provided by DRM core, make use of it and support both driver rebind and bus-reset based recovery. With this in place, userspace will be notified of wedged device on gt reset failure. Signed-off-by: Raag Jadav --- drivers/gpu/drm/i915/gt/intel_reset.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index 8f1ea95471ef..06bfd2dbb6c8 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -1418,6 +1418,9 @@ static void intel_gt_reset_global(struct intel_gt *gt, if (!test_bit(I915_WEDGED, >->reset.flags)) kobject_uevent_env(kobj, KOBJ_CHANGE, reset_done_event); + else + drm_dev_wedged_event(>->i915->drm, + DRM_WEDGE_RECOVERY_REBIND | DRM_WEDGE_RECOVERY_BUS_RESET); } /**