From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5BFA8C61DD8 for ; Sun, 15 Nov 2020 20:24:19 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 27364238E6 for ; Sun, 15 Nov 2020 20:24:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 27364238E6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3D8E06E9C5; Sun, 15 Nov 2020 20:24:18 +0000 (UTC) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id C333A89FAC for ; Sun, 15 Nov 2020 20:23:49 +0000 (UTC) IronPort-SDR: Kiu3dWO0/CWt5wdHN0O5poaUAVvBKtRykkQUYyREiQJANXMydixYMwtgPJGzRhrrQCLTpNAikc DplNmiiai7mg== X-IronPort-AV: E=McAfee;i="6000,8403,9806"; a="167165316" X-IronPort-AV: E=Sophos;i="5.77,481,1596524400"; d="scan'208";a="167165316" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Nov 2020 12:23:48 -0800 IronPort-SDR: mUlbXlbpHZve2+D2c+bWf1+W32FlCt09I/IwTa2u8EZFjZH6iaE/6UPFta3BOSO6LquoL77A54 a6XrnLEatFXQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,481,1596524400"; d="scan'208";a="430005359" Received: from sean-virtualbox.fm.intel.com ([10.105.158.96]) by fmsmga001.fm.intel.com with ESMTP; 15 Nov 2020 12:23:47 -0800 From: "Huang, Sean Z" To: Intel-gfx@lists.freedesktop.org Date: Sun, 15 Nov 2020 12:23:42 -0800 Message-Id: <20201115202347.29224-22-sean.z.huang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201115202347.29224-1-sean.z.huang@intel.com> References: <20201115202347.29224-1-sean.z.huang@intel.com> Subject: [Intel-gfx] [PATCH 22/27] drm/i915/pxp: Expose session state for display protection flip X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Implement the intel_pxp_gem_object_status() to allow ring0 i915 display querying the current PXP session state. In the design, ring0 display should not perform protection flip on the protected buffers if there is no PXP session alive. Signed-off-by: Huang, Sean Z --- drivers/gpu/drm/i915/pxp/intel_pxp.c | 8 ++++++++ drivers/gpu/drm/i915/pxp/intel_pxp.h | 2 ++ 2 files changed, 10 insertions(+) diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.c b/drivers/gpu/drm/i915/pxp/intel_pxp.c index 44d17ae27b94..05fe143675b1 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp.c +++ b/drivers/gpu/drm/i915/pxp/intel_pxp.c @@ -334,3 +334,11 @@ void intel_pxp_irq_handler(struct intel_gt *gt, u16 iir) end: return; } + +bool intel_pxp_gem_object_status(struct drm_i915_private *i915, u64 gem_object_metadata) +{ + if (i915->pxp.r0ctx && i915->pxp.r0ctx->flag_display_hm_surface_keys) + return true; + else + return false; +} diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.h b/drivers/gpu/drm/i915/pxp/intel_pxp.h index c0119ccdab08..eb0e548ce434 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp.h +++ b/drivers/gpu/drm/i915/pxp/intel_pxp.h @@ -111,4 +111,6 @@ int i915_pxp_global_terminate_complete_callback(struct drm_i915_private *i915); int intel_pxp_init(struct drm_i915_private *i915); void intel_pxp_uninit(struct drm_i915_private *i915); +bool intel_pxp_gem_object_status(struct drm_i915_private *i915, u64 gem_object_metadata); + #endif -- 2.17.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx