From patchwork Tue Jun 27 19:13:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinay Belgaumkar X-Patchwork-Id: 13294935 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 DEBE0EB64D9 for ; Tue, 27 Jun 2023 19:14:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 422E910E09F; Tue, 27 Jun 2023 19:14:27 +0000 (UTC) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1D48710E02C; Tue, 27 Jun 2023 19:14:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1687893265; x=1719429265; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=oXGhF45+Pk4UI+TTph+lyHBQBpegFPIlMJYEDrBqvL0=; b=hrZDdYmcpJTtnrePFtqrp+dRznI650jEkzsTZo817H4e+Rbmdmxxdik4 E+bdXUjr88sjmMG2Kly0AUzE2bHEjhWYbD7nWSnL/R95p6FovihbvZpoh gZf0RnNUC1C9EpixIpeu2eToZQ2lqVafaVjlSLEmAjayzd8rjLsUHmBBq w7lMvFB8DLbFRbA8GpNNwM87sc0cr075CdNz3Y13ki4uIwtM5Pkgh0PV0 IzNm1CXXXSbXrj9Oc7HJr6/LvhAp/9Z3LwOFqUjIfoBJu+UQI4WPDZBL5 qSz6dZQD4vghUYsJy1WVZqixaICBtKABNS6+GCG7ckZMM7KK28Ootn3D4 w==; X-IronPort-AV: E=McAfee;i="6600,9927,10754"; a="361703609" X-IronPort-AV: E=Sophos;i="6.01,163,1684825200"; d="scan'208";a="361703609" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jun 2023 12:14:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10754"; a="716646918" X-IronPort-AV: E=Sophos;i="6.01,163,1684825200"; d="scan'208";a="716646918" Received: from vbelgaum-ubuntu.fm.intel.com ([10.1.27.27]) by orsmga002.jf.intel.com with ESMTP; 27 Jun 2023 12:14:24 -0700 From: Vinay Belgaumkar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Tue, 27 Jun 2023 12:13:36 -0700 Message-Id: <20230627191336.319381-1-vinay.belgaumkar@intel.com> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2] drm/i915/guc: Dump perf_limit_reasons for debug 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" GuC load takes longer sometimes due to GT frequency not ramping up. Add perf_limit_reasons to the existing warn print to see if frequency is being throttled. v2: Review comments (Ashutosh) Signed-off-by: Vinay Belgaumkar Reviewed-by: Ashutosh Dixit --- drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c index 364d0d546ec8..0f79cb658518 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c @@ -251,9 +251,11 @@ static int guc_wait_ucode(struct intel_guc *guc) if (ret == 0) ret = -ENXIO; } else if (delta_ms > 200) { - guc_warn(guc, "excessive init time: %lldms! [freq = %dMHz, before = %dMHz, status = 0x%08X, count = %d, ret = %d]\n", - delta_ms, intel_rps_read_actual_frequency(&uncore->gt->rps), - before_freq, status, count, ret); + guc_warn(guc, "excessive init time: %lldms! [status = 0x%08X, count = %d, ret = %d]\n", + delta_ms, status, count, ret); + guc_warn(guc, "excessive init time: [freq = %dMHz, before = %dMHz, perf_limit_reasons = 0x%08X]\n", + intel_rps_read_actual_frequency(&uncore->gt->rps), before_freq, + intel_uncore_read(uncore, intel_gt_perf_limit_reasons_reg(gt))); } else { guc_dbg(guc, "init took %lldms, freq = %dMHz, before = %dMHz, status = 0x%08X, count = %d, ret = %d\n", delta_ms, intel_rps_read_actual_frequency(&uncore->gt->rps),