From patchwork Thu Sep 14 22:28:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Harrison X-Patchwork-Id: 13386149 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 47444EEAA7A for ; Thu, 14 Sep 2023 22:32:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E01CF10E59F; Thu, 14 Sep 2023 22:31:55 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 80F2710E59B; Thu, 14 Sep 2023 22:31:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1694730713; x=1726266713; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jYTppX34GjYQhFtzr5caeabEuQJVfGDdAzV7lGZ26/4=; b=JSkwdPaMsv5LSI8ew5PVohX0HK0ed0dmTk88tG7jl/kOFCdNqOFN28s8 zB7bLX7Z4GL3KK6rGT4zDwAfx+Qi3+MZHjPJ3An/wjapqBLqdUt6taeY4 5LysAYebbgQobbbLEDIq6OlRTytolz293E1ljosgM3OnEJDHfIkMq7fh1 VNZyiv3j0phdsmz6aaDKltA3zkg2SkjXUS1QUcUj7Otmw+KCtnbPAjxmS 9rfrUtHt3jJXiSkBepwsbH/ynTXOZ/zKzKWaKid549IbaHm4OFfgRIlIK WuWQdOo9QBLQdF54XwZbX0LgG0wDSnMEm2OFLGdA1UafODrlMMJj98ZqC w==; X-IronPort-AV: E=McAfee;i="6600,9927,10833"; a="382913335" X-IronPort-AV: E=Sophos;i="6.02,147,1688454000"; d="scan'208";a="382913335" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Sep 2023 15:29:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10833"; a="744717709" X-IronPort-AV: E=Sophos;i="6.02,147,1688454000"; d="scan'208";a="744717709" Received: from relo-linux-5.jf.intel.com ([10.165.21.152]) by orsmga002.jf.intel.com with ESMTP; 14 Sep 2023 15:29:11 -0700 From: John.C.Harrison@Intel.com To: Intel-GFX@Lists.FreeDesktop.Org Subject: [PATCH 2/2] drm/i915/guc: Enable WA 14018913170 Date: Thu, 14 Sep 2023 15:28:13 -0700 Message-ID: <20230914222813.278774-3-John.C.Harrison@Intel.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230914222813.278774-1-John.C.Harrison@Intel.com> References: <20230914222813.278774-1-John.C.Harrison@Intel.com> MIME-Version: 1.0 Organization: Intel Corporation (UK) Ltd. - Co. Reg. #1134945 - Pipers Way, Swindon SN3 1RJ 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: Daniele Ceraolo Spurio , John Harrison , DRI-Devel@Lists.FreeDesktop.Org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Daniele Ceraolo Spurio The GuC handles the WA, the KMD just needs to set the flag to enable it on the appropriate platforms. Signed-off-by: John Harrison Signed-off-by: Daniele Ceraolo Spurio Reviewed-by: Vinay Belgaumkar --- drivers/gpu/drm/i915/gt/uc/intel_guc.c | 6 ++++++ drivers/gpu/drm/i915/gt/uc/intel_guc.h | 1 + drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h | 1 + 3 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c index 27df41c53b890..3f3df1166b860 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c @@ -319,6 +319,12 @@ static u32 guc_ctl_wa_flags(struct intel_guc *guc) if (!RCS_MASK(gt)) flags |= GUC_WA_RCS_REGS_IN_CCS_REGS_LIST; + /* Wa_14018913170 */ + if (GUC_FIRMWARE_VER(guc) >= MAKE_GUC_VER(70, 7, 0)) { + if (IS_DG2(gt->i915) || IS_METEORLAKE(gt->i915) || IS_PONTEVECCHIO(gt->i915)) + flags |= GUC_WA_ENABLE_TSC_CHECK_ON_RC6; + } + return flags; } diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h index 6c392bad29c19..818c8c146fd47 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h @@ -295,6 +295,7 @@ struct intel_guc { #define MAKE_GUC_VER(maj, min, pat) (((maj) << 16) | ((min) << 8) | (pat)) #define MAKE_GUC_VER_STRUCT(ver) MAKE_GUC_VER((ver).major, (ver).minor, (ver).patch) #define GUC_SUBMIT_VER(guc) MAKE_GUC_VER_STRUCT((guc)->submission_version) +#define GUC_FIRMWARE_VER(guc) MAKE_GUC_VER_STRUCT((guc)->fw.file_selected.ver) static inline struct intel_guc *log_to_guc(struct intel_guc_log *log) { diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h index b4d56eccfb1f0..123ad75d2eb28 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h @@ -100,6 +100,7 @@ #define GUC_WA_HOLD_CCS_SWITCHOUT BIT(17) #define GUC_WA_POLLCS BIT(18) #define GUC_WA_RCS_REGS_IN_CCS_REGS_LIST BIT(21) +#define GUC_WA_ENABLE_TSC_CHECK_ON_RC6 BIT(22) #define GUC_CTL_FEATURE 2 #define GUC_CTL_ENABLE_SLPC BIT(2)