From patchwork Wed Jul 21 16:11:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinay Belgaumkar X-Patchwork-Id: 12391485 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,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 7A660C6377A for ; Wed, 21 Jul 2021 16:12:42 +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 4B47F6120D for ; Wed, 21 Jul 2021 16:12:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4B47F6120D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CA7176EC34; Wed, 21 Jul 2021 16:12:41 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 82A8B6EC33; Wed, 21 Jul 2021 16:12:38 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10052"; a="297028305" X-IronPort-AV: E=Sophos;i="5.84,258,1620716400"; d="scan'208";a="297028305" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jul 2021 09:12:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,258,1620716400"; d="scan'208";a="564787058" Received: from vbelgaum-ubuntu.fm.intel.com ([10.1.27.27]) by orsmga004.jf.intel.com with ESMTP; 21 Jul 2021 09:12:37 -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, 21 Jul 2021 09:11:15 -0700 Message-Id: <20210721161120.24610-10-vinay.belgaumkar@intel.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20210721161120.24610-1-vinay.belgaumkar@intel.com> References: <20210721161120.24610-1-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 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) Signed-off-by: Vinay Belgaumkar Signed-off-by: Sundaresan Sujaritha Reported-by: kernel test robot Reported-by: kernel test robot Reported-by: kernel test robot --- .../gpu/drm/i915/gt/uc/intel_guc_debugfs.c | 23 +++++++++++ drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 40 +++++++++++++++++++ drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h | 4 +- 3 files changed, 66 insertions(+), 1 deletion(-) 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..46b22187927b 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 +51,33 @@ 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_info(slpc, &p); +} +DEFINE_GT_DEBUGFS_ATTRIBUTE(guc_slpc_info); + +bool intel_eval_slpc_support(void *data) +{ + struct intel_guc *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 c1cf8d46e360..73379985c105 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c @@ -430,6 +430,46 @@ int intel_guc_slpc_enable(struct intel_guc_slpc *slpc) return 0; } +int intel_guc_slpc_info(struct intel_guc_slpc *slpc, struct drm_printer *p) +{ + struct drm_i915_private *i915 = guc_to_gt(slpc_to_guc(slpc))->i915; + struct slpc_shared_data *data; + struct slpc_task_state_data *slpc_tasks; + intel_wakeref_t wakeref; + int ret = 0; + + with_intel_runtime_pm(&i915->runtime_pm, wakeref) { + if (slpc_query_task_state(slpc)) + return -EIO; + + slpc_tasks = &data->task_state_data; + + drm_printf(p, "SLPC state: %s\n", slpc_state_string(slpc)); + drm_printf(p, "\tgtperf task active: %s\n", + yesno(slpc_tasks->status & SLPC_GTPERF_TASK_ACTIVE)); + drm_printf(p, "\tdcc task active: %s\n", + yesno(slpc_tasks->status & SLPC_DCC_TASK_ACTIVE)); + drm_printf(p, "\tin dcc: %s\n", + yesno(slpc_tasks->status & SLPC_IN_DCC)); + drm_printf(p, "\tfreq switch active: %s\n", + yesno(slpc_tasks->status & SLPC_FREQ_SWITCH_ACTIVE)); + drm_printf(p, "\tibc enabled: %s\n", + yesno(slpc_tasks->status & SLPC_IBC_ENABLED)); + drm_printf(p, "\tibc active: %s\n", + yesno(slpc_tasks->status & SLPC_IBC_ACTIVE)); + drm_printf(p, "\tpg1 enabled: %s\n", + yesno(slpc_tasks->status & SLPC_PG1_ENABLED)); + drm_printf(p, "\tpg1 active: %s\n", + yesno(slpc_tasks->status & SLPC_PG1_ACTIVE)); + drm_printf(p, "\tmax freq: %dMHz\n", + slpc_decode_max_freq(slpc)); + drm_printf(p, "\tmin freq: %dMHz\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 627c71a95777..852c6316aa47 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h @@ -10,6 +10,8 @@ #include "intel_guc_slpc_types.h" #include "abi/guc_actions_slpc_abi.h" +struct drm_printer; + static inline bool intel_guc_slpc_is_supported(struct intel_guc *guc) { return guc->slpc_supported; @@ -26,7 +28,6 @@ static inline bool intel_guc_slpc_is_used(struct intel_guc *guc) } void intel_guc_slpc_init_early(struct intel_guc_slpc *slpc); - int intel_guc_slpc_init(struct intel_guc_slpc *slpc); int intel_guc_slpc_enable(struct intel_guc_slpc *slpc); void intel_guc_slpc_fini(struct intel_guc_slpc *slpc); @@ -34,5 +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_info(struct intel_guc_slpc *slpc, struct drm_printer *p); #endif