From patchwork Tue Feb 4 07:05:27 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Raag Jadav X-Patchwork-Id: 13958726 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 F3183C0218F for ; Tue, 4 Feb 2025 07:06:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9820D10E26C; Tue, 4 Feb 2025 07:06:31 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Rcn2cgI3"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9F88E10E26C; Tue, 4 Feb 2025 07:06:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1738652791; x=1770188791; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=xX3fHNOOOIIebwiwV8PZRTxN6IVPVrlpQvKLYDho6hs=; b=Rcn2cgI3DbdsqxsFj30pitL7eROL4GDv2HTLSPLoRHhRrDZjJWWCTIbe c6BNbMuwsNqXVX9/VrrUAAfq0X7eJ1V9zxGKywNoYxIwVzkfZkA0P9fS3 JSwfv6EQHpwFz9Rb3VhNMfOYA/Y1SyQZi0Gj/XfMlD5XshMv86TbM/f/F 9k8ygE+XTw1Gs+h72Dw7vahEAhsjc9B2RP0QNPZL+ocnqIln5pIne0MCn T3+D6sG+Ui2pcu78LO3jJfkvG39Nj7n8qfsJ2nbNLxViPMWv3jRy4cKM2 EOws6x3MM8DDCM8W1oTaRh9scz8+cliGIiuyoaqhUnzNuDtn8GbcibFGY w==; X-CSE-ConnectionGUID: vRWts+gdTe2ynLD+2IQOkA== X-CSE-MsgGUID: 3qNfpnznQemd+cT9YMwfbQ== X-IronPort-AV: E=McAfee;i="6700,10204,11335"; a="39196915" X-IronPort-AV: E=Sophos;i="6.13,258,1732608000"; d="scan'208";a="39196915" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Feb 2025 23:06:31 -0800 X-CSE-ConnectionGUID: R2o7QC2IQY2x1SqUeRJfzg== X-CSE-MsgGUID: 68FAmoQvR+634vHlcc3bYw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="110974865" Received: from jraag-z790m-itx-wifi.iind.intel.com ([10.190.239.23]) by orviesa007.jf.intel.com with ESMTP; 03 Feb 2025 23:06:24 -0800 From: Raag Jadav To: airlied@gmail.com, simona@ffwll.ch, lucas.demarchi@intel.com, rodrigo.vivi@intel.com, jani.nikula@linux.intel.com, christian.koenig@amd.com, alexander.deucher@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, andriy.shevchenko@linux.intel.com, lina@asahilina.net, michal.wajdeczko@intel.com, andrealmeid@igalia.com, amd-gfx@lists.freedesktop.org, kernel-dev@igalia.com, xaver.hugl@kde.org, pekka.paalanen@haloniitty.fi, Raag Jadav Subject: [PATCH v12 4/5] drm/i915: Use device wedged event Date: Tue, 4 Feb 2025 12:35:27 +0530 Message-Id: <20250204070528.1919158-5-raag.jadav@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250204070528.1919158-1-raag.jadav@intel.com> References: <20250204070528.1919158-1-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 Reviewed-by: Aravind Iddamsetty Acked-by: Tvrtko Ursulin --- 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 aae5a081cb53..d6dc12fd87c1 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -1422,6 +1422,9 @@ 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); } /**