From patchwork Sat Aug 17 13:11:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Wajdeczko X-Patchwork-Id: 11099079 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1481A1399 for ; Sat, 17 Aug 2019 13:12:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0521B289F2 for ; Sat, 17 Aug 2019 13:12:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EDD2D28A0A; Sat, 17 Aug 2019 13:11:59 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 8CEFF289F2 for ; Sat, 17 Aug 2019 13:11:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1E7236E4DE; Sat, 17 Aug 2019 13:11:59 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id DF1946E4DE for ; Sat, 17 Aug 2019 13:11:53 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Aug 2019 06:11:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,397,1559545200"; d="scan'208";a="168307714" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga007.jf.intel.com with ESMTP; 17 Aug 2019 06:11:50 -0700 Received: from mwajdecz-MOBL1.ger.corp.intel.com (mwajdecz-mobl1.ger.corp.intel.com [10.249.129.244]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id x7HDBkfG023218; Sat, 17 Aug 2019 14:11:49 +0100 From: Michal Wajdeczko To: intel-gfx@lists.freedesktop.org Date: Sat, 17 Aug 2019 13:11:44 +0000 Message-Id: <20190817131144.26884-4-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20190817131144.26884-1-michal.wajdeczko@intel.com> References: <20190817131144.26884-1-michal.wajdeczko@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 3/3] drm/i915/uc: Never fail on uC preparation step X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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" X-Virus-Scanned: ClamAV using ClamSMTP Let's wait with decision about importance of uC failure to hardware initialization step. Signed-off-by: Michal Wajdeczko Cc: Daniele Ceraolo Spurio Cc: Chris Wilson Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/gt/uc/intel_guc.c | 3 +++ drivers/gpu/drm/i915/gt/uc/intel_huc.c | 3 +++ drivers/gpu/drm/i915/gt/uc/intel_uc.c | 15 +++++++-------- drivers/gpu/drm/i915/gt/uc/intel_uc.h | 2 +- drivers/gpu/drm/i915/i915_gem.c | 10 ++-------- 5 files changed, 16 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c index 180973d79ef3..249c747e9756 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c @@ -310,6 +310,9 @@ void intel_guc_fini(struct intel_guc *guc) { struct intel_gt *gt = guc_to_gt(guc); + if (!intel_uc_fw_is_available(&guc->fw)) + return; + i915_ggtt_disable_guc(gt->ggtt); if (intel_guc_is_submission_supported(guc)) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c index 6f1475ba0871..af61ae864ab8 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c @@ -105,6 +105,9 @@ int intel_huc_init(struct intel_huc *huc) void intel_huc_fini(struct intel_huc *huc) { + if (!intel_uc_fw_is_available(&huc->fw)) + return; + intel_huc_rsa_data_destroy(huc); intel_uc_fw_fini(&huc->fw); } diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c index d8e9be1d7b0e..6f0b9e05a5f6 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c @@ -288,27 +288,26 @@ void intel_uc_cleanup_firmwares(struct intel_uc *uc) intel_uc_fw_cleanup_fetch(&uc->guc.fw); } -int intel_uc_init(struct intel_uc *uc) +void intel_uc_init(struct intel_uc *uc) { struct intel_guc *guc = &uc->guc; struct intel_huc *huc = &uc->huc; int ret; if (!intel_uc_uses_guc(uc)) - return 0; + return; /* XXX: GuC submission is unavailable for now */ GEM_BUG_ON(intel_uc_supports_guc_submission(uc)); ret = intel_guc_init(guc); - if (ret) - return ret; - - if (intel_uc_uses_huc(uc)) { - intel_huc_init(huc); + if (ret) { + intel_uc_fw_cleanup_fetch(&huc->fw); + return; } - return 0; + if (intel_uc_uses_huc(uc)) + intel_huc_init(huc); } void intel_uc_fini(struct intel_uc *uc) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.h b/drivers/gpu/drm/i915/gt/uc/intel_uc.h index 1b9404a75ac0..527995c21196 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.h @@ -24,9 +24,9 @@ void intel_uc_init_mmio(struct intel_uc *uc); void intel_uc_fetch_firmwares(struct intel_uc *uc); void intel_uc_cleanup_firmwares(struct intel_uc *uc); void intel_uc_sanitize(struct intel_uc *uc); +void intel_uc_init(struct intel_uc *uc); int intel_uc_init_hw(struct intel_uc *uc); void intel_uc_fini_hw(struct intel_uc *uc); -int intel_uc_init(struct intel_uc *uc); void intel_uc_fini(struct intel_uc *uc); void intel_uc_reset_prepare(struct intel_uc *uc); void intel_uc_suspend(struct intel_uc *uc); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 3f0d88cb47dd..cdf2dbf84aa3 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1464,11 +1464,7 @@ int i915_gem_init(struct drm_i915_private *dev_priv) intel_init_gt_powersave(dev_priv); - ret = intel_uc_init(&dev_priv->gt.uc); - if (ret) { - GEM_BUG_ON(ret == -EIO); - goto err_pm; - } + intel_uc_init(&dev_priv->gt.uc); ret = i915_gem_init_hw(dev_priv); if (ret) @@ -1530,10 +1526,8 @@ int i915_gem_init(struct drm_i915_private *dev_priv) err_init_hw: intel_uc_fini_hw(&dev_priv->gt.uc); err_uc_init: - if (ret != -EIO) - intel_uc_fini(&dev_priv->gt.uc); -err_pm: if (ret != -EIO) { + intel_uc_fini(&dev_priv->gt.uc); intel_cleanup_gt_powersave(dev_priv); intel_engines_cleanup(dev_priv); }