From patchwork Fri Mar 29 22:10:52 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Wajdeczko X-Patchwork-Id: 10877811 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 8115917E0 for ; Fri, 29 Mar 2019 22:11:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6C2A428E8F for ; Fri, 29 Mar 2019 22:11:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 604CB292AE; Fri, 29 Mar 2019 22:11:35 +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=-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 01BC928E8F for ; Fri, 29 Mar 2019 22:11:35 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B36EE6E55A; Fri, 29 Mar 2019 22:11:32 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7372B6E54D for ; Fri, 29 Mar 2019 22:11:31 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Mar 2019 15:11:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,286,1549958400"; d="scan'208";a="138602169" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga007.fm.intel.com with ESMTP; 29 Mar 2019 15:11:29 -0700 Received: from mwajdecz-MOBL1.ger.corp.intel.com (mwajdecz-mobl1.ger.corp.intel.com [10.249.137.139]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id x2TMBN0U017079; Fri, 29 Mar 2019 22:11:28 GMT From: Michal Wajdeczko To: intel-gfx@lists.freedesktop.org Date: Fri, 29 Mar 2019 22:10:52 +0000 Message-Id: <20190329221118.17308-5-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.10.1.windows.1 In-Reply-To: <20190329221118.17308-1-michal.wajdeczko@intel.com> References: <20190329221118.17308-1-michal.wajdeczko@intel.com> Subject: [Intel-gfx] [PATCH 04/30] drm/i915/guc: Update GuC firmware CSS header 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: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP There are few minor changes in the CSS header related to the version numbering in new GuC firmwares. Update our definition and start using common tools for extracting bitfields. Signed-off-by: Michal Wajdeczko Cc: Daniele Ceraolo Spurio Cc: Joonas Lahtinen Cc: John Spotswood Cc: Jeff Mcgee --- drivers/gpu/drm/i915/intel_guc_fwif.h | 23 ++++++++--------------- drivers/gpu/drm/i915/intel_uc_fw.c | 20 ++++++++++---------- 2 files changed, 18 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/intel_guc_fwif.h index b2f5148f4f17..1cb4fad2d539 100644 --- a/drivers/gpu/drm/i915/intel_guc_fwif.h +++ b/drivers/gpu/drm/i915/intel_guc_fwif.h @@ -168,11 +168,7 @@ * in fw. So driver will load a truncated firmware in this case. * * HuC firmware layout is same as GuC firmware. - * - * HuC firmware css header is different. However, the only difference is where - * the version information is saved. The uc_css_header is unified to support - * both. Driver should get HuC version from uc_css_header.huc_sw_version, while - * uc_css_header.guc_sw_version for GuC. + * Only HuC version information is saved in a different way. */ struct uc_css_header { @@ -206,16 +202,13 @@ struct uc_css_header { char username[8]; char buildnumber[12]; - union { - struct { - u32 branch_client_version; - u32 sw_version; - } guc; - struct { - u32 sw_version; - u32 reserved; - } huc; - }; + u32 sw_version; +#define CSS_SW_VERSION_GUC_MAJOR (0xFF << 16) +#define CSS_SW_VERSION_GUC_MINOR (0xFF << 8) +#define CSS_SW_VERSION_GUC_PATCH (0xFF << 0) +#define CSS_SW_VERSION_HUC_MAJOR (0xFFFF << 16) +#define CSS_SW_VERSION_HUC_MINOR (0xFFFF << 0) + u32 sw_reserved; u32 prod_preprod_fw; u32 reserved[12]; u32 header_info; diff --git a/drivers/gpu/drm/i915/intel_uc_fw.c b/drivers/gpu/drm/i915/intel_uc_fw.c index becf05ebae4d..957c1feb30d3 100644 --- a/drivers/gpu/drm/i915/intel_uc_fw.c +++ b/drivers/gpu/drm/i915/intel_uc_fw.c @@ -22,6 +22,7 @@ * */ +#include #include #include @@ -119,21 +120,20 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, goto fail; } - /* - * The GuC firmware image has the version number embedded at a - * well-known offset within the firmware blob; note that major / minor - * version are TWO bytes each (i.e. u16), although all pointers and - * offsets are defined in terms of bytes (u8). - */ + /* Get version numbers from the CSS header */ switch (uc_fw->type) { case INTEL_UC_FW_TYPE_GUC: - uc_fw->major_ver_found = css->guc.sw_version >> 16; - uc_fw->minor_ver_found = css->guc.sw_version & 0xFFFF; + uc_fw->major_ver_found = FIELD_GET(CSS_SW_VERSION_GUC_MAJOR, + css->sw_version); + uc_fw->minor_ver_found = FIELD_GET(CSS_SW_VERSION_GUC_MINOR, + css->sw_version); break; case INTEL_UC_FW_TYPE_HUC: - uc_fw->major_ver_found = css->huc.sw_version >> 16; - uc_fw->minor_ver_found = css->huc.sw_version & 0xFFFF; + uc_fw->major_ver_found = FIELD_GET(CSS_SW_VERSION_HUC_MAJOR, + css->sw_version); + uc_fw->minor_ver_found = FIELD_GET(CSS_SW_VERSION_HUC_MINOR, + css->sw_version); break; default: