From patchwork Wed Jul 28 21:11:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinay Belgaumkar X-Patchwork-Id: 12406753 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92A00C432BE for ; Wed, 28 Jul 2021 21:12:29 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 66E016101B for ; Wed, 28 Jul 2021 21:12:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 66E016101B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F36956E936; Wed, 28 Jul 2021 21:12:21 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 053086E8BA; Wed, 28 Jul 2021 21:12:17 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10059"; a="193028877" X-IronPort-AV: E=Sophos;i="5.84,276,1620716400"; d="scan'208";a="193028877" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jul 2021 14:12:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,276,1620716400"; d="scan'208";a="580995526" Received: from vbelgaum-ubuntu.fm.intel.com ([10.1.27.27]) by fmsmga001.fm.intel.com with ESMTP; 28 Jul 2021 14:12:17 -0700 From: Vinay Belgaumkar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH 09/14] drm/i915/guc/slpc: Add debugfs for SLPC info Date: Wed, 28 Jul 2021 14:11:39 -0700 Message-Id: <20210728211144.15322-10-vinay.belgaumkar@intel.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20210728211144.15322-1-vinay.belgaumkar@intel.com> References: <20210728211144.15322-1-vinay.belgaumkar@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: , Cc: Vinay Belgaumkar , Sundaresan Sujaritha , Michal Wajdeczko Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This prints out relevant SLPC info from the SLPC shared structure. We will send a H2G message which forces SLPC to update the shared data structure with latest information before reading it. v2: Address review comments (Michal W) v3: Remove unnecessary tasks from slpc_info (Michal W) v4: Rename function to intel_guc_slpc_print_info() (Michal W) Reviewed-by: Michal Wajdeczko Signed-off-by: Vinay Belgaumkar Signed-off-by: Sundaresan Sujaritha --- .../gpu/drm/i915/gt/uc/intel_guc_debugfs.c | 22 ++++++++++++++ drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 29 +++++++++++++++++++ drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h | 3 ++ 3 files changed, 54 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c index 72ddfff42f7d..887c8c8f35db 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c @@ -12,6 +12,7 @@ #include "gt/uc/intel_guc_ct.h" #include "gt/uc/intel_guc_ads.h" #include "gt/uc/intel_guc_submission.h" +#include "gt/uc/intel_guc_slpc.h" static int guc_info_show(struct seq_file *m, void *data) { @@ -50,11 +51,32 @@ static int guc_registered_contexts_show(struct seq_file *m, void *data) } DEFINE_GT_DEBUGFS_ATTRIBUTE(guc_registered_contexts); +static int guc_slpc_info_show(struct seq_file *m, void *unused) +{ + struct intel_guc *guc = m->private; + struct intel_guc_slpc *slpc = &guc->slpc; + struct drm_printer p = drm_seq_file_printer(m); + + if (!intel_guc_slpc_is_used(guc)) + return -ENODEV; + + return intel_guc_slpc_print_info(slpc, &p); +} +DEFINE_GT_DEBUGFS_ATTRIBUTE(guc_slpc_info); + +static bool intel_eval_slpc_support(void *data) +{ + struct intel_guc *guc = (struct intel_guc *)data; + + return intel_guc_slpc_is_used(guc); +} + void intel_guc_debugfs_register(struct intel_guc *guc, struct dentry *root) { static const struct debugfs_gt_file files[] = { { "guc_info", &guc_info_fops, NULL }, { "guc_registered_contexts", &guc_registered_contexts_fops, NULL }, + { "guc_slpc_info", &guc_slpc_info_fops, &intel_eval_slpc_support}, }; if (!intel_guc_is_supported(guc)) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c index 816c9ee301bf..2643d207009b 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c @@ -439,6 +439,35 @@ int intel_guc_slpc_enable(struct intel_guc_slpc *slpc) return 0; } +int intel_guc_slpc_print_info(struct intel_guc_slpc *slpc, struct drm_printer *p) +{ + struct drm_i915_private *i915 = slpc_to_i915(slpc); + struct slpc_shared_data *data = slpc->vaddr; + struct slpc_task_state_data *slpc_tasks; + intel_wakeref_t wakeref; + int ret = 0; + + GEM_BUG_ON(!slpc->vma); + + with_intel_runtime_pm(&i915->runtime_pm, wakeref) { + ret = slpc_query_task_state(slpc); + + if (!ret) { + slpc_tasks = &data->task_state_data; + + drm_printf(p, "\tSLPC state: %s\n", slpc_get_state_string(slpc)); + drm_printf(p, "\tGTPERF task active: %s\n", + yesno(slpc_tasks->status & SLPC_GTPERF_TASK_ENABLED)); + drm_printf(p, "\tMax freq: %u MHz\n", + slpc_decode_max_freq(slpc)); + drm_printf(p, "\tMin freq: %u MHz\n", + slpc_decode_min_freq(slpc)); + } + } + + return ret; +} + void intel_guc_slpc_fini(struct intel_guc_slpc *slpc) { if (!slpc->vma) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h index 78a7893ce489..3ffd4f2e3151 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h @@ -9,6 +9,8 @@ #include "intel_guc_submission.h" #include "intel_guc_slpc_types.h" +struct drm_printer; + static inline bool intel_guc_slpc_is_supported(struct intel_guc *guc) { return guc->slpc.supported; @@ -33,5 +35,6 @@ int intel_guc_slpc_set_max_freq(struct intel_guc_slpc *slpc, u32 val); int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val); int intel_guc_slpc_get_max_freq(struct intel_guc_slpc *slpc, u32 *val); int intel_guc_slpc_get_min_freq(struct intel_guc_slpc *slpc, u32 *val); +int intel_guc_slpc_print_info(struct intel_guc_slpc *slpc, struct drm_printer *p); #endif