From patchwork Tue Jul 30 18:19:01 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Wajdeczko X-Patchwork-Id: 11066459 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 EFF4C174A for ; Tue, 30 Jul 2019 18:19:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E787828488 for ; Tue, 30 Jul 2019 18:19:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DB9CF287E8; Tue, 30 Jul 2019 18:19:28 +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 E96CC284B9 for ; Tue, 30 Jul 2019 18:19:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 71BE389259; Tue, 30 Jul 2019 18:19:26 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9F2F3890A8 for ; Tue, 30 Jul 2019 18:19:25 +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 fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Jul 2019 11:19:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,327,1559545200"; d="scan'208";a="179853563" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by FMSMGA003.fm.intel.com with ESMTP; 30 Jul 2019 11:19:24 -0700 Received: from mwajdecz-MOBL1.ger.corp.intel.com (mwajdecz-mobl1.ger.corp.intel.com [172.28.174.50]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id x6UIJMWU026363; Tue, 30 Jul 2019 19:19:23 +0100 From: Michal Wajdeczko To: intel-gfx@lists.freedesktop.org Date: Tue, 30 Jul 2019 18:19:01 +0000 Message-Id: <20190730181903.17820-2-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20190730181903.17820-1-michal.wajdeczko@intel.com> References: <20190730181903.17820-1-michal.wajdeczko@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 1/3] drm/i915/uc: Consider enable_guc modparam during fw selection 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 can use value of enable_guc modparam during firmware path selection and start using firmware status to see if GuC/HuC is being used. This is first step to make enable_guc modparam read-only. Signed-off-by: Michal Wajdeczko Cc: Daniele Ceraolo Spurio Cc: Chris Wilson Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/gt/uc/intel_guc.h | 5 +++++ drivers/gpu/drm/i915/gt/uc/intel_huc.h | 5 +++++ drivers/gpu/drm/i915/gt/uc/intel_uc.h | 6 ++---- drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c | 25 ++++++++++++++++++++++-- 4 files changed, 35 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h index 714e9892aaff..5901506672cd 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h @@ -172,6 +172,11 @@ int intel_guc_suspend(struct intel_guc *guc); int intel_guc_resume(struct intel_guc *guc); struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size); +static inline bool intel_guc_is_supported(struct intel_guc *guc) +{ + return intel_uc_fw_supported(&guc->fw); +} + static inline bool intel_guc_is_running(struct intel_guc *guc) { return intel_uc_fw_is_running(&guc->fw); diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.h b/drivers/gpu/drm/i915/gt/uc/intel_huc.h index 4465209ce233..a6ae59b8cb77 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_huc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.h @@ -55,6 +55,11 @@ static inline int intel_huc_sanitize(struct intel_huc *huc) return 0; } +static inline bool intel_huc_is_supported(struct intel_huc *huc) +{ + return intel_uc_fw_supported(&huc->fw); +} + static inline bool intel_huc_is_authenticated(struct intel_huc *huc) { return intel_uc_fw_is_running(&huc->fw); diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.h b/drivers/gpu/drm/i915/gt/uc/intel_uc.h index fe3362fd7706..c8e5ad9807db 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.h @@ -50,8 +50,7 @@ int intel_uc_resume(struct intel_uc *uc); static inline bool intel_uc_is_using_guc(struct intel_uc *uc) { - GEM_BUG_ON(i915_modparams.enable_guc < 0); - return i915_modparams.enable_guc > 0; + return intel_guc_is_supported(&uc->guc); } static inline bool intel_uc_is_using_guc_submission(struct intel_uc *uc) @@ -62,8 +61,7 @@ static inline bool intel_uc_is_using_guc_submission(struct intel_uc *uc) static inline bool intel_uc_is_using_huc(struct intel_uc *uc) { - GEM_BUG_ON(i915_modparams.enable_guc < 0); - return i915_modparams.enable_guc & ENABLE_GUC_LOAD_HUC; + return intel_huc_is_supported(&uc->huc); } #endif diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c index ac91e3efd02b..3f051451caba 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c @@ -132,6 +132,27 @@ __uc_fw_auto_select(struct intel_uc_fw *uc_fw, enum intel_platform p, u8 rev) uc_fw->path = NULL; } } + + /* We don't want to enable GuC/HuC on pre-Gen11 by default */ + if ((i915_modparams.enable_guc < 0) && (p < INTEL_ICELAKE)) + uc_fw->path = NULL; +} + +static const char* __override_guc_firmware_path(void) +{ + /* XXX: don't check for GuC submission as it is unavailable for now */ + if ((i915_modparams.enable_guc < 0) || + (i915_modparams.enable_guc & ENABLE_GUC_LOAD_HUC)) + return i915_modparams.guc_firmware_path; + return ""; +} + +static const char* __override_huc_firmware_path(void) +{ + if ((i915_modparams.enable_guc < 0) || + (i915_modparams.enable_guc & ENABLE_GUC_LOAD_HUC)) + return i915_modparams.huc_firmware_path; + return ""; } static bool @@ -139,10 +160,10 @@ __uc_fw_override(struct intel_uc_fw *uc_fw) { switch (uc_fw->type) { case INTEL_UC_FW_TYPE_GUC: - uc_fw->path = i915_modparams.guc_firmware_path; + uc_fw->path = __override_guc_firmware_path(); break; case INTEL_UC_FW_TYPE_HUC: - uc_fw->path = i915_modparams.huc_firmware_path; + uc_fw->path = __override_huc_firmware_path(); break; }