From patchwork Fri Jan 24 05:52:59 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Raag Jadav X-Patchwork-Id: 13948955 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 9D954C0218B for ; Fri, 24 Jan 2025 05:53:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0196510E8E9; Fri, 24 Jan 2025 05:53:24 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Gjqwb9VO"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 96B8210E8D7; Fri, 24 Jan 2025 05:53:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1737698003; x=1769234003; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=1Z5TJwZS6JAy+qJUSNBrRRPyIC6HzfGCxyxDCS4AWLo=; b=Gjqwb9VO6mHHm4fSWOdCPnfZunqlo4YtNbd5aiSi4PZtghS4bjr9GZ9t mSvHmm8eWsHP+acTb4G4PDm/+N1P+i4s0FBXMfOxjsS7S2iyuACOo8zDC vdF1E9QtBvDWEv1XtnSfl0GnWCrlT//EOLGsHfuQh+7mmmd2S/fjXAhr/ yX4u4/ZDdFhi67/kYmzQh3g+6aJC/evZXWyOIlxE6ev1jnvz8uMTc4Q71 tkF47RvryuRdiK/PiMOj3/EUCaFLQPnD4NDvbdh8iIAhevGwDX2u2bPf2 ZRt3SOX0NTMtFTc0fXKqQQWmWDZ1I1MvSjil0LyJoUW0qwhAePUkWUB4s Q==; X-CSE-ConnectionGUID: INVIirblQqauqJdI9FUsBA== X-CSE-MsgGUID: fDiHa+jUTPa9eGoJGu6Tjg== X-IronPort-AV: E=McAfee;i="6700,10204,11324"; a="60689200" X-IronPort-AV: E=Sophos;i="6.13,230,1732608000"; d="scan'208";a="60689200" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jan 2025 21:53:22 -0800 X-CSE-ConnectionGUID: 0o+3GuHST5akoUYeGd59Xw== X-CSE-MsgGUID: OfjxnbF+RHOjPeMnQvtudw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,230,1732608000"; d="scan'208";a="108218808" Received: from jraag-z790m-itx-wifi.iind.intel.com ([10.190.239.23]) by fmviesa010.fm.intel.com with ESMTP; 23 Jan 2025 21:53:16 -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, michal.wajdeczko@intel.com, christian.koenig@amd.com, xaver.hugl@kde.org 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, lina@asahilina.net, alexander.deucher@amd.com, andrealmeid@igalia.com, amd-gfx@lists.freedesktop.org, kernel-dev@igalia.com, Raag Jadav Subject: [PATCH v11 4/5] drm/i915: Use device wedged event Date: Fri, 24 Jan 2025 11:22:59 +0530 Message-Id: <20250124055300.1111274-5-raag.jadav@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250124055300.1111274-1-raag.jadav@intel.com> References: <20250124055300.1111274-1-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 5a625518d1a9..b33007cd1504 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); } /**