From patchwork Wed Jul 31 17:48:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Wajdeczko X-Patchwork-Id: 11068969 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 0C5EE1399 for ; Wed, 31 Jul 2019 17:48:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EA2C220500 for ; Wed, 31 Jul 2019 17:48:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DE2C7205A4; Wed, 31 Jul 2019 17:48:52 +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 69331204FB for ; Wed, 31 Jul 2019 17:48:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id ECE4889805; Wed, 31 Jul 2019 17:48:50 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 914B189805 for ; Wed, 31 Jul 2019 17:48:46 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 31 Jul 2019 10:48:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,330,1559545200"; d="scan'208";a="172536478" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga008.fm.intel.com with ESMTP; 31 Jul 2019 10:48:44 -0700 Received: from mwajdecz-MOBL1.ger.corp.intel.com (mwajdecz-mobl1.ger.corp.intel.com [172.28.174.50]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id x6VHmg4v016470; Wed, 31 Jul 2019 18:48:43 +0100 From: Michal Wajdeczko To: intel-gfx@lists.freedesktop.org Date: Wed, 31 Jul 2019 17:48:32 +0000 Message-Id: <20190731174833.22080-3-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20190731174833.22080-1-michal.wajdeczko@intel.com> References: <20190731174833.22080-1-michal.wajdeczko@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 2/3] drm/i915/uc: Inject probe errors into intel_uc_init_hw 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 Inject probe errors into intel_uc_init_hw to make sure we correctly handle any uC initialization failure. To avoid complains from CI about injected errors use i915_probe_error to lower message level. Signed-off-by: Michal Wajdeczko Cc: Daniele Ceraolo Spurio Cc: Chris Wilson Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/gt/uc/intel_huc.c | 4 ++++ drivers/gpu/drm/i915/gt/uc/intel_uc.c | 18 +++++++++++++++++- drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c | 5 +++++ drivers/gpu/drm/i915/i915_gem.c | 2 +- 4 files changed, 27 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c index c9535caba844..a696ce0fec62 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c @@ -139,6 +139,10 @@ int intel_huc_auth(struct intel_huc *huc) GEM_BUG_ON(!intel_uc_fw_is_loaded(&huc->fw)); GEM_BUG_ON(intel_huc_is_authenticated(huc)); + ret = i915_inject_load_error(gt->i915, -ENXIO); + if (ret) + goto fail; + ret = intel_guc_auth_huc(guc, intel_guc_ggtt_offset(guc, huc->rsa_data)); if (ret) { diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c index 66b226be6759..3d0e9a893953 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c @@ -41,6 +41,10 @@ static int __intel_uc_reset_hw(struct intel_uc *uc) int ret; u32 guc_status; + ret = i915_inject_load_error(gt->i915, -ENXIO); + if (ret) + return ret; + ret = intel_reset_guc(gt); if (ret) { DRM_ERROR("Failed to reset GuC, ret = %d\n", ret); @@ -245,6 +249,10 @@ static int guc_enable_communication(struct intel_guc *guc) GEM_BUG_ON(guc_communication_enabled(guc)); + ret = i915_inject_load_error(i915, -ENXIO); + if (ret) + return ret; + ret = intel_guc_ct_enable(&guc->ct); if (ret) return ret; @@ -414,6 +422,10 @@ static int uc_init_wopcm(struct intel_uc *uc) GEM_BUG_ON(!(size & GUC_WOPCM_SIZE_MASK)); GEM_BUG_ON(size & ~GUC_WOPCM_SIZE_MASK); + err = i915_inject_load_error(gt->i915, -ENXIO); + if (err) + return err; + mask = GUC_WOPCM_SIZE_MASK | GUC_WOPCM_SIZE_LOCKED; err = intel_uncore_write_and_verify(uncore, GUC_WOPCM_SIZE, size, mask, size | GUC_WOPCM_SIZE_LOCKED); @@ -514,6 +526,10 @@ int intel_uc_init_hw(struct intel_uc *uc) goto err_communication; } + ret = i915_inject_load_error(i915, -ENXIO); + if (ret) + goto err_communication; + dev_info(i915->drm.dev, "GuC firmware version %u.%u\n", guc->fw.major_ver_found, guc->fw.minor_ver_found); dev_info(i915->drm.dev, "GuC submission %s\n", @@ -540,7 +556,7 @@ int intel_uc_init_hw(struct intel_uc *uc) if (GEM_WARN_ON(ret == -EIO)) ret = -EINVAL; - dev_err(i915->drm.dev, "GuC initialization failed %d\n", ret); + i915_probe_error(i915, "GuC initialization failed %d\n", ret); return ret; } diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c index ac91e3efd02b..734b20bf635f 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c @@ -424,8 +424,13 @@ int intel_uc_fw_upload(struct intel_uc_fw *uc_fw, struct intel_gt *gt, /* make sure the status was cleared the last time we reset the uc */ GEM_BUG_ON(intel_uc_fw_is_loaded(uc_fw)); + err = i915_inject_load_error(gt->i915, -ENOEXEC); + if (err) + return err; + if (!intel_uc_fw_is_available(uc_fw)) return -ENOEXEC; + /* Call custom loader */ intel_uc_fw_ggtt_bind(uc_fw, gt); err = uc_fw_xfer(uc_fw, gt, wopcm_offset, dma_flags); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index bb2c991b49d7..54a10c8c4dff 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1243,7 +1243,7 @@ int i915_gem_init_hw(struct drm_i915_private *i915) /* We can't enable contexts until all firmware is loaded */ ret = intel_uc_init_hw(>->uc); if (ret) { - DRM_ERROR("Enabling uc failed (%d)\n", ret); + i915_probe_error(i915, "Enabling uc failed (%d)\n", ret); goto out; }