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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 6FA59C1B087 for ; Mon, 7 Dec 2020 00:22:24 +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 2BF32206B7 for ; Mon, 7 Dec 2020 00:22:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2BF32206B7 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 457A26E575; Mon, 7 Dec 2020 00:22:18 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 806CF6E53E for ; Mon, 7 Dec 2020 00:22:08 +0000 (UTC) IronPort-SDR: niku6uxK/6buv7tZCMsUgnJWIpGkKLvNc/MksAnYzJvzUWNoWf0fKp3T/Plxa/6FvLo8GwbZNF dYsllBCLwBmQ== X-IronPort-AV: E=McAfee;i="6000,8403,9827"; a="191889200" X-IronPort-AV: E=Sophos;i="5.78,398,1599548400"; d="scan'208";a="191889200" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Dec 2020 16:22:08 -0800 IronPort-SDR: /oiblZV4FAyB+j0bW0Vu2zKpEeQKrSuz381rB0M9Fcxs8Ewerd3Agpm0Dwzs2VF+Wx54ERHlPz oy+jrrxCIgaQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,398,1599548400"; d="scan'208";a="369586444" Received: from sean-virtualbox.fm.intel.com ([10.105.158.96]) by fmsmga002.fm.intel.com with ESMTP; 06 Dec 2020 16:22:08 -0800 From: "Huang, Sean Z" To: Intel-gfx@lists.freedesktop.org Date: Sun, 6 Dec 2020 16:21:30 -0800 Message-Id: <20201207002134.13731-13-sean.z.huang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201207002134.13731-1-sean.z.huang@intel.com> References: <20201207002134.13731-1-sean.z.huang@intel.com> Subject: [Intel-gfx] [RFC-v1 12/16] 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 i915 display querying the current PXP session state. In the design, 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 | 7 +++++++ 2 files changed, 15 insertions(+) diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.c b/drivers/gpu/drm/i915/pxp/intel_pxp.c index 48a0eb16f1d9..0fbdd7eecefe 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp.c +++ b/drivers/gpu/drm/i915/pxp/intel_pxp.c @@ -201,3 +201,11 @@ void intel_pxp_irq_handler(struct intel_gt *gt, u16 iir) i915->pxp.current_events |= events; schedule_work(&i915->pxp.irq_work); } + +bool intel_pxp_gem_object_status(struct drm_i915_private *i915) +{ + if (i915->pxp.ctx && i915->pxp.ctx->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 425cafe24392..88919f8a2403 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp.h +++ b/drivers/gpu/drm/i915/pxp/intel_pxp.h @@ -52,6 +52,8 @@ 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); #else static inline int intel_pxp_create_arb_session(struct drm_i915_private *i915) { @@ -80,6 +82,11 @@ static inline int intel_pxp_init(struct drm_i915_private *i915) static inline void intel_pxp_uninit(struct drm_i915_private *i915) { } + +static inline bool intel_pxp_gem_object_status(struct drm_i915_private *i915) +{ + return false; +} #endif #endif /* __INTEL_PXP_PM_H__ */ -- 2.17.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx