From patchwork Fri Aug 4 16:27:10 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Wajdeczko X-Patchwork-Id: 9881667 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 6E6C9602B8 for ; Fri, 4 Aug 2017 16:28:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5CA782890E for ; Fri, 4 Aug 2017 16:28:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 51A1728926; Fri, 4 Aug 2017 16:28:02 +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 0F8822890E for ; Fri, 4 Aug 2017 16:28:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B227E6E4ED; Fri, 4 Aug 2017 16:27:42 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2299D6E4EA for ; Fri, 4 Aug 2017 16:27:41 +0000 (UTC) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Aug 2017 09:27:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.41,321,1498546800"; d="scan'208";a="886497119" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by FMSMGA003.fm.intel.com with ESMTP; 04 Aug 2017 09:27:40 -0700 Received: from mwajdecz-MOBL1.ger.corp.intel.com (mwajdecz-mobl1.ger.corp.intel.com [172.28.174.25]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id v74GRMdW010586; Fri, 4 Aug 2017 17:27:39 +0100 From: Michal Wajdeczko To: intel-gfx@lists.freedesktop.org Date: Fri, 4 Aug 2017 16:27:10 +0000 Message-Id: <20170804162712.20468-14-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.10.1.windows.1 In-Reply-To: <20170804162712.20468-1-michal.wajdeczko@intel.com> References: <20170804162712.20468-1-michal.wajdeczko@intel.com> Subject: [Intel-gfx] [PATCH 13/15] drm/i915/guc: Handle default action received over CT X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 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 With enabled CT, instead of programming SCRATCH 15 register with the Guc to host message, Guc will send us CT request. Content of the data[1] of this message follows format of the data in scratch register. Signed-off-by: Michal Wajdeczko Cc: Oscar Mateo --- drivers/gpu/drm/i915/intel_guc_ct.c | 3 +++ drivers/gpu/drm/i915/intel_uc.c | 7 +++++++ drivers/gpu/drm/i915/intel_uc.h | 1 + 3 files changed, 11 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_guc_ct.c b/drivers/gpu/drm/i915/intel_guc_ct.c index 75cd7af..9f7fc5e 100644 --- a/drivers/gpu/drm/i915/intel_guc_ct.c +++ b/drivers/gpu/drm/i915/intel_guc_ct.c @@ -658,6 +658,9 @@ static bool guc_process_incoming_requests(struct intel_guc *guc) len = ct_header_get_len(header) + 1; /* also count header dw */ switch (action) { + case INTEL_GUC_ACTION_DEFAULT: + intel_guc_process_default_action(guc, request->data[1]); + break; default: DRM_ERROR("CT: unexpected request %*phn\n", 4*len, request->data); diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c index 258e0d0..27758ce 100644 --- a/drivers/gpu/drm/i915/intel_uc.c +++ b/drivers/gpu/drm/i915/intel_uc.c @@ -596,3 +596,10 @@ int intel_guc_sample_forcewake(struct intel_guc *guc) return intel_guc_send(guc, action, ARRAY_SIZE(action)); } + +void intel_guc_process_default_action(struct intel_guc *guc, u32 msg) +{ + if (msg & (INTEL_GUC_RECV_MSG_CRASH_DUMP_POSTED | + INTEL_GUC_RECV_MSG_FLUSH_LOG_BUFFER)) + intel_guc_log_flush(guc); +} diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h index 6f20e66..2a8394b 100644 --- a/drivers/gpu/drm/i915/intel_uc.h +++ b/drivers/gpu/drm/i915/intel_uc.h @@ -230,6 +230,7 @@ void intel_uc_fini_fw(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); void intel_guc_notification_handler(struct intel_guc *guc); +void intel_guc_process_default_action(struct intel_guc *guc, u32 msg); int intel_guc_sample_forcewake(struct intel_guc *guc); int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len, u32 *response); int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len, u32 *response);