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 B993AC83014 for ; Tue, 1 Dec 2020 23:58:45 +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 63C45206DF for ; Tue, 1 Dec 2020 23:58:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 63C45206DF 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 2D4E66E9C3; Tue, 1 Dec 2020 23:58:29 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1C24B6E99C for ; Tue, 1 Dec 2020 23:58:24 +0000 (UTC) IronPort-SDR: PZ6pvS1wFMKXOIPZITyeVr22ruuigpTTTbVpZ3pOvjVNj7eThEaUWbNxsOSUoKpYBbSm8g0Xt4 ZnCtw02oAoDA== X-IronPort-AV: E=McAfee;i="6000,8403,9822"; a="191136817" X-IronPort-AV: E=Sophos;i="5.78,385,1599548400"; d="scan'208";a="191136817" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Dec 2020 15:58:22 -0800 IronPort-SDR: eUQOPm5IAP0X6fObU8slKJLSjDbawGO7TIOZ/+hQGOU0eSHD4g5SAvOVUAJVZpaH1vNg5VGqxI JkyYd7CxfZLQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,385,1599548400"; d="scan'208";a="315897597" Received: from sean-virtualbox.fm.intel.com ([10.105.158.96]) by fmsmga007.fm.intel.com with ESMTP; 01 Dec 2020 15:58:22 -0800 From: "Huang, Sean Z" To: Intel-gfx@lists.freedesktop.org Date: Tue, 1 Dec 2020 15:57:42 -0800 Message-Id: <20201201235747.26017-22-sean.z.huang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201201235747.26017-1-sean.z.huang@intel.com> References: <20201201235747.26017-1-sean.z.huang@intel.com> Subject: [Intel-gfx] [RFC-v3 21/26] 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 8134b39c7419..90e6766991c5 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp.c +++ b/drivers/gpu/drm/i915/pxp/intel_pxp.c @@ -326,3 +326,11 @@ 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 818e79e9caca..7556ad5c7904 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp.h +++ b/drivers/gpu/drm/i915/pxp/intel_pxp.h @@ -116,6 +116,8 @@ 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 i915_pxp_ops_ioctl(struct drm_device *dev, void *data, struct drm_file *drmfile) { @@ -153,6 +155,11 @@ 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