From patchwork Wed Apr 17 05:39:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Michal Wajdeczko X-Patchwork-Id: 10904603 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CAF1F13B5 for ; Wed, 17 Apr 2019 05:40:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B854A289CD for ; Wed, 17 Apr 2019 05:40:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id ACB5F289FF; Wed, 17 Apr 2019 05:40:37 +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=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, 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 3C9B2289CD for ; Wed, 17 Apr 2019 05:40:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F3F5289DF7; Wed, 17 Apr 2019 05:40:34 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id A3C8D89DEC for ; Wed, 17 Apr 2019 05:40:31 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Apr 2019 22:40:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,360,1549958400"; d="scan'208";a="132063378" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga007.jf.intel.com with ESMTP; 16 Apr 2019 22:40:30 -0700 Received: from mwajdecz-MOBL1.ger.corp.intel.com (mwajdecz-mobl1.ger.corp.intel.com [10.249.138.215]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id x3H5eIYF005705; Wed, 17 Apr 2019 06:40:28 +0100 From: Michal Wajdeczko To: intel-gfx@lists.freedesktop.org Date: Wed, 17 Apr 2019 05:39:54 +0000 Message-Id: <20190417054004.28176-10-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.10.1.windows.1 In-Reply-To: <20190417054004.28176-1-michal.wajdeczko@intel.com> References: <20190417054004.28176-1-michal.wajdeczko@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v3 09/19] drm/i915/guc: Reset GuC ADS during sanitize 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 GuC stores some data in there, which might be stale after a reset. Reinitialize whole ADS in case any part of it was corrupted during previous GuC run. v2: s/reinit/init, update functions descriptions (Tomek/Michal) Signed-off-by: Michal Wajdeczko Cc: Daniele Ceraolo Spurio Cc: MichaĹ Winiarski Cc: Tomasz Lis Reviewed-by: Tomasz Lis Reviewed-by: MichaĹ Winiarski --- drivers/gpu/drm/i915/intel_guc.h | 2 + drivers/gpu/drm/i915/intel_guc_ads.c | 90 ++++++++++++++++++---------- drivers/gpu/drm/i915/intel_guc_ads.h | 1 + 3 files changed, 62 insertions(+), 31 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_guc.h b/drivers/gpu/drm/i915/intel_guc.h index 2c59ff8d9f39..4f3cf8eddfe6 100644 --- a/drivers/gpu/drm/i915/intel_guc.h +++ b/drivers/gpu/drm/i915/intel_guc.h @@ -26,6 +26,7 @@ #define _INTEL_GUC_H_ #include "intel_uncore.h" +#include "intel_guc_ads.h" #include "intel_guc_fw.h" #include "intel_guc_fwif.h" #include "intel_guc_ct.h" @@ -177,6 +178,7 @@ u32 intel_guc_reserved_gtt_size(struct intel_guc *guc); static inline int intel_guc_sanitize(struct intel_guc *guc) { intel_uc_fw_sanitize(&guc->fw); + intel_guc_ads_reset(guc); return 0; } diff --git a/drivers/gpu/drm/i915/intel_guc_ads.c b/drivers/gpu/drm/i915/intel_guc_ads.c index 1aa1ec0ff4a1..ecb69fc94218 100644 --- a/drivers/gpu/drm/i915/intel_guc_ads.c +++ b/drivers/gpu/drm/i915/intel_guc_ads.c @@ -72,43 +72,28 @@ static void guc_ct_pool_entries_init(struct guc_ct_pool_entry *pool, u32 num) */ #define LR_HW_CONTEXT_SIZE (80 * sizeof(u32)) -/** - * intel_guc_ads_create() - creates GuC ADS - * @guc: intel_guc struct - * - */ -int intel_guc_ads_create(struct intel_guc *guc) +/* The ads obj includes the struct itself and buffers passed to GuC */ +struct __guc_ads_blob { + struct guc_ads ads; + struct guc_policies policies; + struct guc_mmio_reg_state reg_state; + struct guc_gt_system_info system_info; + struct guc_clients_info clients_info; + struct guc_ct_pool_entry ct_pool[GUC_CT_POOL_SIZE]; + u8 reg_state_buffer[GUC_S3_SAVE_SPACE_PAGES * PAGE_SIZE]; +} __packed; + +static int __guc_ads_init(struct intel_guc *guc) { struct drm_i915_private *dev_priv = guc_to_i915(guc); - struct i915_vma *vma; - /* The ads obj includes the struct itself and buffers passed to GuC */ - struct { - struct guc_ads ads; - struct guc_policies policies; - struct guc_mmio_reg_state reg_state; - struct guc_gt_system_info system_info; - struct guc_clients_info clients_info; - struct guc_ct_pool_entry ct_pool[GUC_CT_POOL_SIZE]; - u8 reg_state_buffer[GUC_S3_SAVE_SPACE_PAGES * PAGE_SIZE]; - } __packed *blob; + struct __guc_ads_blob *blob; const u32 skipped_size = LRC_PPHWSP_SZ * PAGE_SIZE + LR_HW_CONTEXT_SIZE; u32 base; u8 engine_class; - int ret; - - GEM_BUG_ON(guc->ads_vma); - - vma = intel_guc_allocate_vma(guc, PAGE_ALIGN(sizeof(*blob))); - if (IS_ERR(vma)) - return PTR_ERR(vma); - - guc->ads_vma = vma; blob = i915_gem_object_pin_map(guc->ads_vma->obj, I915_MAP_WB); - if (IS_ERR(blob)) { - ret = PTR_ERR(blob); - goto err_vma; - } + if (IS_ERR(blob)) + return PTR_ERR(blob); /* GuC scheduling policies */ guc_policies_init(&blob->policies); @@ -143,7 +128,7 @@ int intel_guc_ads_create(struct intel_guc *guc) blob->system_info.vebox_enable_mask = VEBOX_MASK(dev_priv); blob->system_info.vdbox_sfc_support_mask = RUNTIME_INFO(dev_priv)->vdbox_sfc_access; - base = intel_guc_ggtt_offset(guc, vma); + base = intel_guc_ggtt_offset(guc, guc->ads_vma); /* Clients info */ guc_ct_pool_entries_init(blob->ct_pool, ARRAY_SIZE(blob->ct_pool)); @@ -162,6 +147,34 @@ int intel_guc_ads_create(struct intel_guc *guc) i915_gem_object_unpin_map(guc->ads_vma->obj); return 0; +} + +/** + * intel_guc_ads_create() - allocates and initializes GuC ADS. + * @guc: intel_guc struct + * + * GuC needs memory block (Additional Data Struct), where it will store + * some data. Allocate and initialize such memory block for GuC use. + */ +int intel_guc_ads_create(struct intel_guc *guc) +{ + const u32 size = PAGE_ALIGN(sizeof(struct __guc_ads_blob)); + struct i915_vma *vma; + int ret; + + GEM_BUG_ON(guc->ads_vma); + + vma = intel_guc_allocate_vma(guc, size); + if (IS_ERR(vma)) + return PTR_ERR(vma); + + guc->ads_vma = vma; + + ret = __guc_ads_init(guc); + if (ret) + goto err_vma; + + return 0; err_vma: i915_vma_unpin_and_release(&guc->ads_vma, 0); @@ -172,3 +185,18 @@ void intel_guc_ads_destroy(struct intel_guc *guc) { i915_vma_unpin_and_release(&guc->ads_vma, 0); } + +/** + * intel_guc_ads_reset() - prepares GuC Additional Data Struct for reuse + * @guc: intel_guc struct + * + * GuC stores some data in ADS, which might be stale after a reset. + * Reinitialize whole ADS in case any part of it was corrupted during + * previous GuC run. + */ +void intel_guc_ads_reset(struct intel_guc *guc) +{ + if (!guc->ads_vma) + return; + __guc_ads_init(guc); +} diff --git a/drivers/gpu/drm/i915/intel_guc_ads.h b/drivers/gpu/drm/i915/intel_guc_ads.h index c4735742c564..7f40f9cd5fb9 100644 --- a/drivers/gpu/drm/i915/intel_guc_ads.h +++ b/drivers/gpu/drm/i915/intel_guc_ads.h @@ -29,5 +29,6 @@ struct intel_guc; int intel_guc_ads_create(struct intel_guc *guc); void intel_guc_ads_destroy(struct intel_guc *guc); +void intel_guc_ads_reset(struct intel_guc *guc); #endif