From patchwork Thu Nov 28 15:37:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Raag Jadav X-Patchwork-Id: 13888188 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 36D3CD69114 for ; Thu, 28 Nov 2024 15:38:53 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B3CCD10ECEB; Thu, 28 Nov 2024 15:38:52 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="WmXwsviS"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5B07710ECF4; Thu, 28 Nov 2024 15:38:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1732808329; x=1764344329; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=+HmVSqga3n7mRAEm5//05RCGz/gUnv1oBQxeHSTnpPg=; b=WmXwsviSgD0bZuj8cNYUqyqoyhFOiootOwXwckjqcsUx+cvb6WkaFek/ GhRcafnheF+t9xPt05luNLMoqaagJSgT23czPH9XFxFxNlk1Ewe4Cc1E9 jkWM4SuILnoAfPLlWqQwA6LRFO2627cGJT5cV209mGFelbCiCcbsZeL9B iTaOv3uiiK9Cyls6vt3SYxWUyoUwxWhzhwLzMABUKlbocosVs/5Z+KNb8 epuGfsBvyIA/gUgVxvc6iMpMgZSViyaiAEShj1LVyF7bQnimjXWK3awsC dN1/8+a7idTPtVH8qodnYdIK4lWo24D5NAlobhgBVyX9BZUEinA5W8zp+ g==; X-CSE-ConnectionGUID: /YWxIreCR+CuUrxr6cN3gA== X-CSE-MsgGUID: IFk68TvvQ3aedVymuuHVFQ== X-IronPort-AV: E=McAfee;i="6700,10204,11270"; a="32792670" X-IronPort-AV: E=Sophos;i="6.12,192,1728975600"; d="scan'208";a="32792670" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Nov 2024 07:38:49 -0800 X-CSE-ConnectionGUID: mnoeAkoNQDWISrnO+Gimcg== X-CSE-MsgGUID: 9/b8I9QJSTSTono2eFBw/Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,192,1728975600"; d="scan'208";a="92193101" Received: from jraag-nuc8i7beh.iind.intel.com ([10.145.169.79]) by orviesa009.jf.intel.com with ESMTP; 28 Nov 2024 07:38:44 -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 v10 4/4] drm/i915: Use device wedged event Date: Thu, 28 Nov 2024 21:07:07 +0530 Message-Id: <20241128153707.1294347-5-raag.jadav@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241128153707.1294347-1-raag.jadav@intel.com> References: <20241128153707.1294347-1-raag.jadav@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" 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 --- 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); } /**