From patchwork Fri Feb 24 23:17:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Dong, Zhanjun" X-Patchwork-Id: 13151865 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 897C4C6FA8E for ; Fri, 24 Feb 2023 23:32:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 18F0D10E04A; Fri, 24 Feb 2023 23:31:57 +0000 (UTC) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 859D310E036; Fri, 24 Feb 2023 23:31:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1677281514; x=1708817514; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=zjQBJDy3OHOEi+gieddTtIlTyViuk+XSfUmm+aI53Rw=; b=MOKLJ62Z7GRWp/gtbd4AlZzr3A5tpu84Wl2lhEkEcxZfSd13t7DO+yxQ OVxqlgjOH4SRIuzZxNbAVQONhdVxDuDmqcTCpuQJPPn2lA//mEpWwAslG 8BVp7CYRR+Amksi5ptcsqQgkMyF9LLiLN8bqX5RR+rr0xydwDO/j+G5H6 0P8FkqKDC2HEzb8cNdIkz2vcCS+RSxlZmFH9dBB+bomV5jZt/1uV3evIC vi8kgwmmqRBfBmxZU9U38OAzhWPEdDtHbLLT1WWShwh50xnZhmzFKxYIL WBquYc9mL2KIB7J6UKxWbj3VJaNRKYm5iUToMVqbZu+Qw4V/XseSFIVmI A==; X-IronPort-AV: E=McAfee;i="6500,9779,10631"; a="321803491" X-IronPort-AV: E=Sophos;i="5.97,326,1669104000"; d="scan'208";a="321803491" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Feb 2023 15:31:54 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10631"; a="705446116" X-IronPort-AV: E=Sophos;i="5.97,326,1669104000"; d="scan'208";a="705446116" Received: from guc-pnp-dev-box-1.fm.intel.com ([10.1.27.12]) by orsmga001.jf.intel.com with ESMTP; 24 Feb 2023 15:31:53 -0800 From: Zhanjun Dong To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Fri, 24 Feb 2023 15:17:24 -0800 Message-Id: <20230224231724.769343-1-zhanjun.dong@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915: Set wedged if enable guc communication failed 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" Add err code check for enable_communication on resume path, set wedged if failed. Signed-off-by: Zhanjun Dong --- drivers/gpu/drm/i915/gt/intel_gt_pm.c | 5 ++++- drivers/gpu/drm/i915/gt/uc/intel_uc.c | 9 +++++++-- 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c index cef3d6f5c34e..f3bb7cbbd293 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c @@ -401,8 +401,11 @@ int intel_gt_runtime_resume(struct intel_gt *gt) intel_ggtt_restore_fences(gt->ggtt); ret = intel_uc_runtime_resume(>->uc); - if (ret) + if (ret) { + /* Set wedge if uc resume failed */ + intel_gt_set_wedged(gt); return ret; + } return 0; } diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c index 6648691bd645..d4f428acf20a 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c @@ -698,8 +698,13 @@ static int __uc_resume(struct intel_uc *uc, bool enable_communication) /* Make sure we enable communication if and only if it's disabled */ GEM_BUG_ON(enable_communication == intel_guc_ct_enabled(&guc->ct)); - if (enable_communication) - guc_enable_communication(guc); + if (enable_communication) { + err = guc_enable_communication(guc); + if (err) { + guc_dbg(guc, "Failed to resume, %pe", ERR_PTR(err)); + return err; + } + } /* If we are only resuming GuC communication but not reloading * GuC, we need to ensure the ARAT timer interrupt is enabled