From patchwork Thu Mar 8 15:47:05 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Micha=C5=82_Winiarski?= X-Patchwork-Id: 10268343 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0B30A602C8 for ; Thu, 8 Mar 2018 15:51:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F01E52936D for ; Thu, 8 Mar 2018 15:51:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E4B77296C2; Thu, 8 Mar 2018 15:51:35 +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=-4.2 required=2.0 tests=BAYES_00, 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 624E62936D for ; Thu, 8 Mar 2018 15:51:35 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B1EBB6E97B; Thu, 8 Mar 2018 15:51:34 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8F02E6E97B for ; Thu, 8 Mar 2018 15:51:33 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Mar 2018 07:51:33 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.47,441,1515484800"; d="scan'208";a="209937381" Received: from irsmsx102.ger.corp.intel.com ([163.33.3.155]) by fmsmga006.fm.intel.com with ESMTP; 08 Mar 2018 07:51:32 -0800 Received: from localhost (172.28.172.64) by IRSMSX102.ger.corp.intel.com (163.33.3.155) with Microsoft SMTP Server (TLS) id 14.3.319.2; Thu, 8 Mar 2018 15:51:31 +0000 From: =?UTF-8?q?Micha=C5=82=20Winiarski?= To: Date: Thu, 8 Mar 2018 16:47:05 +0100 Message-ID: <20180308154707.21716-13-michal.winiarski@intel.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180308154707.21716-1-michal.winiarski@intel.com> References: <20180308154707.21716-1-michal.winiarski@intel.com> MIME-Version: 1.0 X-Originating-IP: [172.28.172.64] Subject: [Intel-gfx] [PATCH v2 13/15] drm/i915/guc: Allow user to control default GuC logging 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 While both naming and actual log enable logic in GuC interface are confusing, we can simply expose the default log as yet another log level. GuC logic aside, from i915 point of view we now have the following GuC log levels: 0 Log disabled 1 Non-verbose log 2-5 Verbose log v2: Adjust naming after rebase. Signed-off-by: Michał Winiarski Cc: Chris Wilson Cc: Daniele Ceraolo Spurio Cc: Sagar Arun Kamble Cc: Michal Wajdeczko Reviewed-by: Sagar Arun Kamble --- drivers/gpu/drm/i915/intel_guc.c | 21 ++++++++++++--------- drivers/gpu/drm/i915/intel_guc_fwif.h | 5 +++-- drivers/gpu/drm/i915/intel_guc_log.c | 18 +++++++----------- drivers/gpu/drm/i915/intel_guc_log.h | 15 +++++++++++++++ drivers/gpu/drm/i915/intel_uc.c | 14 +++++++++----- 5 files changed, 46 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c index 3e2f0f8503ed..fc21135e2a54 100644 --- a/drivers/gpu/drm/i915/intel_guc.c +++ b/drivers/gpu/drm/i915/intel_guc.c @@ -221,17 +221,20 @@ static u32 get_core_family(struct drm_i915_private *dev_priv) } } -static u32 get_log_verbosity_flags(void) +static u32 get_log_control_flags(void) { - if (i915_modparams.guc_log_level > 0) { - u32 verbosity = i915_modparams.guc_log_level - 1; + u32 level = i915_modparams.guc_log_level; + u32 flags = 0; - GEM_BUG_ON(verbosity > GUC_LOG_VERBOSITY_MAX); - return verbosity << GUC_LOG_VERBOSITY_SHIFT; - } + GEM_BUG_ON(level < 0); + + if (!GUC_LOG_LEVEL_TO_ENABLED(level)) + flags = GUC_LOG_DEFAULT_DISABLED | GUC_LOG_DISABLED; + else if (GUC_LOG_LEVEL_TO_VERBOSE(level)) + flags = GUC_LOG_LEVEL_TO_VERBOSITY(level) << + GUC_LOG_VERBOSITY_SHIFT; - GEM_BUG_ON(i915_modparams.enable_guc < 0); - return GUC_LOG_DISABLED; + return flags; } /* @@ -266,7 +269,7 @@ void intel_guc_init_params(struct intel_guc *guc) params[GUC_CTL_LOG_PARAMS] = guc->log.flags; - params[GUC_CTL_DEBUG] = get_log_verbosity_flags(); + params[GUC_CTL_DEBUG] = get_log_control_flags(); /* If GuC submission is enabled, set up additional parameters here */ if (USES_GUC_SUBMISSION(dev_priv)) { diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/intel_guc_fwif.h index 6a10aa6f04d3..4971685a2ea8 100644 --- a/drivers/gpu/drm/i915/intel_guc_fwif.h +++ b/drivers/gpu/drm/i915/intel_guc_fwif.h @@ -127,7 +127,7 @@ #define GUC_PROFILE_ENABLED (1 << 7) #define GUC_WQ_TRACK_ENABLED (1 << 8) #define GUC_ADS_ENABLED (1 << 9) -#define GUC_DEBUG_RESERVED (1 << 10) +#define GUC_LOG_DEFAULT_DISABLED (1 << 10) #define GUC_ADS_ADDR_SHIFT 11 #define GUC_ADS_ADDR_MASK 0xfffff800 @@ -539,7 +539,8 @@ union guc_log_control { u32 logging_enabled:1; u32 reserved1:3; u32 verbosity:4; - u32 reserved2:24; + u32 default_logging:1; + u32 reserved2:23; }; u32 value; } __packed; diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/intel_guc_log.c index a72fe4a369f4..decada3cf496 100644 --- a/drivers/gpu/drm/i915/intel_guc_log.c +++ b/drivers/gpu/drm/i915/intel_guc_log.c @@ -58,12 +58,14 @@ static int guc_log_flush(struct intel_guc *guc) return intel_guc_send(guc, action, ARRAY_SIZE(action)); } -static int guc_log_control(struct intel_guc *guc, bool enable, u32 verbosity) +static int guc_log_control(struct intel_guc *guc, bool enable, + bool default_logging, u32 verbosity) { union guc_log_control control_val = { { .logging_enabled = enable, .verbosity = verbosity, + .default_logging = default_logging, }, }; u32 action[] = { @@ -501,13 +503,6 @@ int intel_guc_log_level_get(struct intel_guc *guc) return i915_modparams.guc_log_level; } -#define GUC_LOG_LEVEL_DISABLED 0 -#define LOG_LEVEL_TO_ENABLED(x) ((x) > 0) -#define LOG_LEVEL_TO_VERBOSITY(x) ({ \ - typeof(x) _x = (x); \ - LOG_LEVEL_TO_ENABLED(_x) ? _x - 1 : 0; \ -}) -#define VERBOSITY_TO_LOG_LEVEL(x) ((x) + 1) int intel_guc_log_level_set(struct intel_guc *guc, u64 val) { struct drm_i915_private *dev_priv = guc_to_i915(guc); @@ -522,7 +517,7 @@ int intel_guc_log_level_set(struct intel_guc *guc, u64 val) * as indication that logging should be disabled. */ if (val < GUC_LOG_LEVEL_DISABLED || - val > VERBOSITY_TO_LOG_LEVEL(GUC_LOG_VERBOSITY_MAX)) + val > GUC_VERBOSITY_TO_LOG_LEVEL(GUC_LOG_VERBOSITY_MAX)) return -EINVAL; mutex_lock(&dev_priv->drm.struct_mutex); @@ -533,8 +528,9 @@ int intel_guc_log_level_set(struct intel_guc *guc, u64 val) } intel_runtime_pm_get(dev_priv); - ret = guc_log_control(guc, LOG_LEVEL_TO_ENABLED(val), - LOG_LEVEL_TO_VERBOSITY(val)); + ret = guc_log_control(guc, GUC_LOG_LEVEL_TO_VERBOSE(val), + GUC_LOG_LEVEL_TO_ENABLED(val), + GUC_LOG_LEVEL_TO_VERBOSITY(val)); intel_runtime_pm_put(dev_priv); if (ret) { DRM_DEBUG_DRIVER("guc_log_control action failed %d\n", ret); diff --git a/drivers/gpu/drm/i915/intel_guc_log.h b/drivers/gpu/drm/i915/intel_guc_log.h index 8804c5c27409..9e7be03acd18 100644 --- a/drivers/gpu/drm/i915/intel_guc_log.h +++ b/drivers/gpu/drm/i915/intel_guc_log.h @@ -39,6 +39,21 @@ struct intel_guc; #define GUC_LOG_SIZE ((1 + GUC_LOG_DPC_PAGES + 1 + GUC_LOG_ISR_PAGES + \ 1 + GUC_LOG_CRASH_PAGES + 1) << PAGE_SHIFT) +/* + * While we're using plain log level in i915, GuC controls are much more... + * "elaborate"? We have a couple of bits for verbosity, separate bit for actual + * log enabling, and separate bit for default logging - which "conveniently" + * ignores the enable bit. + */ +#define GUC_LOG_LEVEL_DISABLED 0 +#define GUC_LOG_LEVEL_TO_ENABLED(x) ((x) > 0) +#define GUC_LOG_LEVEL_TO_VERBOSE(x) ((x) > 1) +#define GUC_LOG_LEVEL_TO_VERBOSITY(x) ({ \ + typeof(x) _x = (x); \ + GUC_LOG_LEVEL_TO_ENABLED(_x) ? _x - 2 : 0; \ +}) +#define GUC_VERBOSITY_TO_LOG_LEVEL(x) ((x) + 2) + struct intel_guc_log { u32 flags; struct i915_vma *vma; diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c index abce0e38528a..3fb5f75aa7c9 100644 --- a/drivers/gpu/drm/i915/intel_uc.c +++ b/drivers/gpu/drm/i915/intel_uc.c @@ -75,7 +75,8 @@ static int __get_default_guc_log_level(struct drm_i915_private *dev_priv) if (HAS_GUC(dev_priv) && intel_uc_is_using_guc() && (IS_ENABLED(CONFIG_DRM_I915_DEBUG) || IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM))) - guc_log_level = 1 + GUC_LOG_VERBOSITY_MAX; + guc_log_level = + GUC_VERBOSITY_TO_LOG_LEVEL(GUC_LOG_VERBOSITY_MAX); /* Any platform specific fine-tuning can be done here */ @@ -142,17 +143,20 @@ void intel_uc_sanitize_options(struct drm_i915_private *dev_priv) i915_modparams.guc_log_level = 0; } - if (i915_modparams.guc_log_level > 1 + GUC_LOG_VERBOSITY_MAX) { + if (i915_modparams.guc_log_level > + GUC_VERBOSITY_TO_LOG_LEVEL(GUC_LOG_VERBOSITY_MAX)) { DRM_WARN("Incompatible option detected: %s=%d, %s!\n", "guc_log_level", i915_modparams.guc_log_level, "verbosity too high"); - i915_modparams.guc_log_level = 1 + GUC_LOG_VERBOSITY_MAX; + i915_modparams.guc_log_level = + GUC_VERBOSITY_TO_LOG_LEVEL(GUC_LOG_VERBOSITY_MAX); } - DRM_DEBUG_DRIVER("guc_log_level=%d (enabled:%s verbosity:%d)\n", + DRM_DEBUG_DRIVER("guc_log_level=%d (enabled:%s, verbose:%s, verbosity:%d)\n", i915_modparams.guc_log_level, yesno(i915_modparams.guc_log_level), - i915_modparams.guc_log_level - 1); + yesno(GUC_LOG_LEVEL_TO_VERBOSE(i915_modparams.guc_log_level)), + GUC_LOG_LEVEL_TO_VERBOSITY(i915_modparams.guc_log_level)); /* Make sure that sanitization was done */ GEM_BUG_ON(i915_modparams.enable_guc < 0);