From patchwork Fri Nov 15 05:07:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Raag Jadav X-Patchwork-Id: 13875878 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 A9826D6DDD3 for ; Fri, 15 Nov 2024 05:09:40 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2E6A610E394; Fri, 15 Nov 2024 05:09:40 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="LKp0Q89b"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id BC63510E397; Fri, 15 Nov 2024 05:09:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1731647379; x=1763183379; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qYukzmCPsvOARxioxlXwjkqT2dRol8jy1Mh65asZ6/U=; b=LKp0Q89bvKAiE2AE8g2QogoyPVFkpnVevaBVhJmoCYf559CsY0kHFNP/ KCsIsa3BdydoJPUcNrLDMjc5tyXHMYN+PKNfXBnnMIUmi/A2ZTtz3jrIF lHxizougM4DHygWXMowhtFimBfD6PKEoihThj4PEHBZH7EEr0+meW/7fT Wzo2ThU+nj6HlEjAjqJQMiV7Lcgo+4ZJVlhC/ffA85QgISMtWCSzPTrf4 E8XFz45l1hEqJ0iw69m79q5SNyieN+dgdLNllhWm7IU02LhXcpgJyJ1I7 5LcEaFkTfslDUbTL6ujWC9EGx4LAGjQXBex6var/q5JIG4x/mhymbtd1X Q==; X-CSE-ConnectionGUID: 9r89uIEGSIyLVf2XHSlYbQ== X-CSE-MsgGUID: 0js5EaFxTqK8th6XsS1c5g== X-IronPort-AV: E=McAfee;i="6700,10204,11256"; a="31023956" X-IronPort-AV: E=Sophos;i="6.12,155,1728975600"; d="scan'208";a="31023956" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Nov 2024 21:09:38 -0800 X-CSE-ConnectionGUID: t6ViUxllTHqBbcmkyGuDDg== X-CSE-MsgGUID: wtRXWbhZRQ66HlMZ5AAIxQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,155,1728975600"; d="scan'208";a="92493571" Received: from jraag-nuc8i7beh.iind.intel.com ([10.145.169.79]) by fmviesa003.fm.intel.com with ESMTP; 14 Nov 2024 21:09:33 -0800 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 v9 4/4] drm/i915: Use device wedged event Date: Fri, 15 Nov 2024 10:37:33 +0530 Message-Id: <20241115050733.806934-5-raag.jadav@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241115050733.806934-1-raag.jadav@intel.com> References: <20241115050733.806934-1-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 f42f21632306..18cf50a1e84d 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); } /**