From patchwork Tue Feb 27 12:52:17 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: 10245091 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 6CAC660362 for ; Tue, 27 Feb 2018 12:53:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5D9A2288A9 for ; Tue, 27 Feb 2018 12:53:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 52382288BF; Tue, 27 Feb 2018 12:53:04 +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 8E1D1288A9 for ; Tue, 27 Feb 2018 12:53:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B04376E65D; Tue, 27 Feb 2018 12:53:02 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 983056E65C for ; Tue, 27 Feb 2018 12:53:00 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Feb 2018 04:53:00 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.47,400,1515484800"; d="scan'208";a="30083704" Received: from irsmsx102.ger.corp.intel.com ([163.33.3.155]) by FMSMGA003.fm.intel.com with ESMTP; 27 Feb 2018 04:52:59 -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; Tue, 27 Feb 2018 12:52:59 +0000 From: =?UTF-8?q?Micha=C5=82=20Winiarski?= To: Date: Tue, 27 Feb 2018 13:52:17 +0100 Message-ID: <20180227125230.13000-2-michal.winiarski@intel.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180227125230.13000-1-michal.winiarski@intel.com> References: <20180227125230.13000-1-michal.winiarski@intel.com> MIME-Version: 1.0 X-Originating-IP: [172.28.172.64] Subject: [Intel-gfx] [PATCH 02/15] drm/i915/guc: Create common entry points for log register/unregister 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 We have many functions responsible for allocating different parts of runtime called from multiple places. Let's stick with keeping everything in guc_log_register instead. Signed-off-by: Michał Winiarski Cc: Chris Wilson Cc: Daniele Ceraolo Spurio Cc: Michal Wajdeczko Cc: Sagar Arun Kamble --- drivers/gpu/drm/i915/i915_drv.c | 6 +- drivers/gpu/drm/i915/i915_gem.c | 4 +- drivers/gpu/drm/i915/intel_guc_log.c | 148 ++++++++++++++--------------------- drivers/gpu/drm/i915/intel_guc_log.h | 6 +- drivers/gpu/drm/i915/intel_uc.c | 39 ++++----- drivers/gpu/drm/i915/intel_uc.h | 6 +- 6 files changed, 91 insertions(+), 118 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index aaa861b51024..719b2be73292 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -636,7 +636,7 @@ static void i915_gem_fini(struct drm_i915_private *dev_priv) i915_gem_contexts_fini(dev_priv); mutex_unlock(&dev_priv->drm.struct_mutex); - intel_uc_fini_misc(dev_priv); + intel_uc_fini_wq(dev_priv); i915_gem_cleanup_userptr(dev_priv); i915_gem_drain_freed_objects(dev_priv); @@ -1237,7 +1237,7 @@ static void i915_driver_register(struct drm_i915_private *dev_priv) /* Reveal our presence to userspace */ if (drm_dev_register(dev, 0) == 0) { i915_debugfs_register(dev_priv); - i915_guc_log_register(dev_priv); + intel_uc_log_register(dev_priv); i915_setup_sysfs(dev_priv); /* Depends on sysfs having been initialized */ @@ -1297,7 +1297,7 @@ static void i915_driver_unregister(struct drm_i915_private *dev_priv) i915_pmu_unregister(dev_priv); i915_teardown_sysfs(dev_priv); - i915_guc_log_unregister(dev_priv); + intel_uc_log_unregister(dev_priv); drm_dev_unregister(&dev_priv->drm); i915_gem_shrinker_unregister(dev_priv); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 14c855b1a3a4..4bf5f25b29e2 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -5279,7 +5279,7 @@ int i915_gem_init(struct drm_i915_private *dev_priv) if (ret) return ret; - ret = intel_uc_init_misc(dev_priv); + ret = intel_uc_init_wq(dev_priv); if (ret) return ret; @@ -5375,7 +5375,7 @@ int i915_gem_init(struct drm_i915_private *dev_priv) intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); mutex_unlock(&dev_priv->drm.struct_mutex); - intel_uc_fini_misc(dev_priv); + intel_uc_fini_wq(dev_priv); if (ret != -EIO) i915_gem_cleanup_userptr(dev_priv); diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/intel_guc_log.c index 22a05320817b..f1cab43d334e 100644 --- a/drivers/gpu/drm/i915/intel_guc_log.c +++ b/drivers/gpu/drm/i915/intel_guc_log.c @@ -441,7 +441,7 @@ void intel_guc_log_init_early(struct intel_guc *guc) INIT_WORK(&guc->log.runtime.flush_work, capture_logs_work); } -int intel_guc_log_relay_create(struct intel_guc *guc) +int guc_log_relay_create(struct intel_guc *guc) { struct drm_i915_private *dev_priv = guc_to_i915(guc); struct rchan *guc_log_relay_chan; @@ -494,7 +494,7 @@ int intel_guc_log_relay_create(struct intel_guc *guc) return ret; } -void intel_guc_log_relay_destroy(struct intel_guc *guc) +void guc_log_relay_destroy(struct intel_guc *guc) { mutex_lock(&guc->log.runtime.relay_lock); @@ -512,49 +512,6 @@ void intel_guc_log_relay_destroy(struct intel_guc *guc) mutex_unlock(&guc->log.runtime.relay_lock); } -static int guc_log_late_setup(struct intel_guc *guc) -{ - struct drm_i915_private *dev_priv = guc_to_i915(guc); - int ret; - - if (!guc_log_has_runtime(guc)) { - /* - * If log was disabled at boot time, then setup needed to handle - * log buffer flush interrupts would not have been done yet, so - * do that now. - */ - ret = intel_guc_log_relay_create(guc); - if (ret) - goto err; - - mutex_lock(&dev_priv->drm.struct_mutex); - intel_runtime_pm_get(dev_priv); - ret = guc_log_runtime_create(guc); - intel_runtime_pm_put(dev_priv); - mutex_unlock(&dev_priv->drm.struct_mutex); - - if (ret) - goto err_relay; - } - - ret = guc_log_relay_file_create(guc); - if (ret) - goto err_runtime; - - return 0; - -err_runtime: - mutex_lock(&dev_priv->drm.struct_mutex); - guc_log_runtime_destroy(guc); - mutex_unlock(&dev_priv->drm.struct_mutex); -err_relay: - intel_guc_log_relay_destroy(guc); -err: - /* logging will remain off */ - i915_modparams.guc_log_level = 0; - return ret; -} - static void guc_log_capture_logs(struct intel_guc *guc) { struct drm_i915_private *dev_priv = guc_to_i915(guc); @@ -574,16 +531,6 @@ static void guc_flush_logs(struct intel_guc *guc) { struct drm_i915_private *dev_priv = guc_to_i915(guc); - if (!USES_GUC_SUBMISSION(dev_priv) || !i915_modparams.guc_log_level) - return; - - /* First disable the interrupts, will be renabled afterwards */ - mutex_lock(&dev_priv->drm.struct_mutex); - intel_runtime_pm_get(dev_priv); - gen9_disable_guc_interrupts(dev_priv); - intel_runtime_pm_put(dev_priv); - mutex_unlock(&dev_priv->drm.struct_mutex); - /* * Before initiating the forceful flush, wait for any pending/ongoing * flush to complete otherwise forceful flush may not actually happen. @@ -626,12 +573,6 @@ int intel_guc_log_create(struct intel_guc *guc) guc->log.vma = vma; - if (i915_modparams.guc_log_level) { - ret = guc_log_runtime_create(guc); - if (ret < 0) - goto err_vma; - } - /* each allocated unit is a page */ flags = GUC_LOG_VALID | GUC_LOG_NOTIFY_ON_HALF_FULL | (GUC_LOG_DPC_PAGES << GUC_LOG_DPC_SHIFT) | @@ -643,8 +584,6 @@ int intel_guc_log_create(struct intel_guc *guc) return 0; -err_vma: - i915_vma_unpin_and_release(&guc->log.vma); err: /* logging will be off */ i915_modparams.guc_log_level = 0; @@ -703,24 +642,14 @@ int intel_guc_log_control_set(struct intel_guc *guc, u64 val) mutex_unlock(&dev_priv->drm.struct_mutex); if (GUC_LOG_IS_ENABLED(val) && !guc_log_has_runtime(guc)) { - ret = guc_log_late_setup(guc); - if (ret) + ret = intel_guc_log_register(guc); + if (ret) { + /* logging will remain off */ + i915_modparams.guc_log_level = 0; goto out; - - /* GuC logging is currently the only user of Guc2Host interrupts */ - mutex_lock(&dev_priv->drm.struct_mutex); - intel_runtime_pm_get(dev_priv); - gen9_enable_guc_interrupts(dev_priv); - intel_runtime_pm_put(dev_priv); - mutex_unlock(&dev_priv->drm.struct_mutex); + } } else if (!GUC_LOG_IS_ENABLED(val) && guc_log_has_runtime(guc)) { - /* - * Once logging is disabled, GuC won't generate logs & send an - * interrupt. But there could be some data in the log buffer - * which is yet to be captured. So request GuC to update the log - * buffer state and then collect the left over logs. - */ - guc_flush_logs(guc); + intel_guc_log_unregister(guc); } return 0; @@ -731,20 +660,63 @@ int intel_guc_log_control_set(struct intel_guc *guc, u64 val) return ret; } -void i915_guc_log_register(struct drm_i915_private *dev_priv) +int intel_guc_log_register(struct intel_guc *guc) { - if (!USES_GUC_SUBMISSION(dev_priv) || !i915_modparams.guc_log_level) - return; + struct drm_i915_private *dev_priv = guc_to_i915(guc); + int ret; + + GEM_BUG_ON(guc_log_has_runtime(guc)); + + /* + * If log was disabled at boot time, then setup needed to handle + * log buffer flush interrupts would not have been done yet, so + * do that now. + */ + ret = guc_log_relay_create(guc); + if (ret) + goto err; + + mutex_lock(&dev_priv->drm.struct_mutex); + ret = guc_log_runtime_create(guc); + mutex_unlock(&dev_priv->drm.struct_mutex); + + if (ret) + goto err_relay; + + ret = guc_log_relay_file_create(guc); + if (ret) + goto err_runtime; - guc_log_late_setup(&dev_priv->guc); + /* GuC logging is currently the only user of Guc2Host interrupts */ + mutex_lock(&dev_priv->drm.struct_mutex); + intel_runtime_pm_get(dev_priv); + gen9_enable_guc_interrupts(dev_priv); + intel_runtime_pm_put(dev_priv); + mutex_unlock(&dev_priv->drm.struct_mutex); + + return 0; + +err_runtime: + mutex_lock(&dev_priv->drm.struct_mutex); + guc_log_runtime_destroy(guc); + mutex_unlock(&dev_priv->drm.struct_mutex); +err_relay: + guc_log_relay_destroy(guc); +err: + return ret; } -void i915_guc_log_unregister(struct drm_i915_private *dev_priv) +void intel_guc_log_unregister(struct intel_guc *guc) { - struct intel_guc *guc = &dev_priv->guc; + struct drm_i915_private *dev_priv = guc_to_i915(guc); - if (!USES_GUC_SUBMISSION(dev_priv)) - return; + /* + * Once logging is disabled, GuC won't generate logs & send an + * interrupt. But there could be some data in the log buffer + * which is yet to be captured. So request GuC to update the log + * buffer state and then collect the left over logs. + */ + guc_flush_logs(guc); mutex_lock(&dev_priv->drm.struct_mutex); /* GuC logging is currently the only user of Guc2Host interrupts */ @@ -755,5 +727,5 @@ void i915_guc_log_unregister(struct drm_i915_private *dev_priv) guc_log_runtime_destroy(guc); mutex_unlock(&dev_priv->drm.struct_mutex); - intel_guc_log_relay_destroy(guc); + guc_log_relay_destroy(guc); } diff --git a/drivers/gpu/drm/i915/intel_guc_log.h b/drivers/gpu/drm/i915/intel_guc_log.h index 141ce9ca22ce..09dd2ef1933d 100644 --- a/drivers/gpu/drm/i915/intel_guc_log.h +++ b/drivers/gpu/drm/i915/intel_guc_log.h @@ -62,11 +62,9 @@ struct intel_guc_log { int intel_guc_log_create(struct intel_guc *guc); void intel_guc_log_destroy(struct intel_guc *guc); void intel_guc_log_init_early(struct intel_guc *guc); -int intel_guc_log_relay_create(struct intel_guc *guc); -void intel_guc_log_relay_destroy(struct intel_guc *guc); int intel_guc_log_control_get(struct intel_guc *guc); int intel_guc_log_control_set(struct intel_guc *guc, u64 control_val); -void i915_guc_log_register(struct drm_i915_private *dev_priv); -void i915_guc_log_unregister(struct drm_i915_private *dev_priv); +int intel_guc_log_register(struct intel_guc *guc); +void intel_guc_log_unregister(struct intel_guc *guc); #endif diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c index 9f1bac6398fb..3f41ef525e26 100644 --- a/drivers/gpu/drm/i915/intel_uc.c +++ b/drivers/gpu/drm/i915/intel_uc.c @@ -219,6 +219,22 @@ static void guc_free_load_err_log(struct intel_guc *guc) i915_gem_object_put(guc->load_err_log); } +int intel_uc_log_register(struct drm_i915_private *dev_priv) +{ + if (!USES_GUC(dev_priv) || !i915_modparams.guc_log_level) + return 0; + + return intel_guc_log_register(&dev_priv->guc); +} + +void intel_uc_log_unregister(struct drm_i915_private *dev_priv) +{ + if (!USES_GUC(dev_priv) || !i915_modparams.guc_log_level) + return; + + intel_guc_log_unregister(&dev_priv->guc); +} + static int guc_enable_communication(struct intel_guc *guc) { struct drm_i915_private *dev_priv = guc_to_i915(guc); @@ -240,7 +256,7 @@ static void guc_disable_communication(struct intel_guc *guc) guc->send = intel_guc_send_nop; } -int intel_uc_init_misc(struct drm_i915_private *dev_priv) +int intel_uc_init_wq(struct drm_i915_private *dev_priv) { struct intel_guc *guc = &dev_priv->guc; int ret; @@ -249,26 +265,13 @@ int intel_uc_init_misc(struct drm_i915_private *dev_priv) return 0; ret = intel_guc_init_wq(guc); - if (ret) { - DRM_ERROR("Couldn't allocate workqueues for GuC\n"); - goto err; - } - - ret = intel_guc_log_relay_create(guc); - if (ret) { - DRM_ERROR("Couldn't allocate relay for GuC log\n"); - goto err_relay; - } + if (ret) + return ret; return 0; - -err_relay: - intel_guc_fini_wq(guc); -err: - return ret; } -void intel_uc_fini_misc(struct drm_i915_private *dev_priv) +void intel_uc_fini_wq(struct drm_i915_private *dev_priv) { struct intel_guc *guc = &dev_priv->guc; @@ -276,8 +279,6 @@ void intel_uc_fini_misc(struct drm_i915_private *dev_priv) return; intel_guc_fini_wq(guc); - - intel_guc_log_relay_destroy(guc); } int intel_uc_init(struct drm_i915_private *dev_priv) diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h index f2984e01e257..9bc22103396d 100644 --- a/drivers/gpu/drm/i915/intel_uc.h +++ b/drivers/gpu/drm/i915/intel_uc.h @@ -31,10 +31,12 @@ void intel_uc_sanitize_options(struct drm_i915_private *dev_priv); void intel_uc_init_early(struct drm_i915_private *dev_priv); void intel_uc_init_mmio(struct drm_i915_private *dev_priv); +int intel_uc_log_register(struct drm_i915_private *dev_priv); +void intel_uc_log_unregister(struct drm_i915_private *dev_priv); void intel_uc_init_fw(struct drm_i915_private *dev_priv); void intel_uc_fini_fw(struct drm_i915_private *dev_priv); -int intel_uc_init_misc(struct drm_i915_private *dev_priv); -void intel_uc_fini_misc(struct drm_i915_private *dev_priv); +int intel_uc_init_wq(struct drm_i915_private *dev_priv); +void intel_uc_fini_wq(struct drm_i915_private *dev_priv); int intel_uc_init_hw(struct drm_i915_private *dev_priv); void intel_uc_fini_hw(struct drm_i915_private *dev_priv); int intel_uc_init(struct drm_i915_private *dev_priv);