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=-11.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 64760C2D0E4 for ; Tue, 17 Nov 2020 08:53:17 +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 1BCD1222E8 for ; Tue, 17 Nov 2020 08:53:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1BCD1222E8 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 A61A66E15E; Tue, 17 Nov 2020 08:53:16 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8EF3C6E15E for ; Tue, 17 Nov 2020 08:53:15 +0000 (UTC) IronPort-SDR: j0OpFgDyAau5+EErF7nLZpJDAV7HCN1xbpofdBRy8F1PZ2xufu3fA8qZqRx4czUe001izpLzfI kBRLqcCsre3Q== X-IronPort-AV: E=McAfee;i="6000,8403,9807"; a="235037024" X-IronPort-AV: E=Sophos;i="5.77,485,1596524400"; d="scan'208";a="235037024" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Nov 2020 00:53:14 -0800 IronPort-SDR: s2Wd7JMhbrXXNH7j+ecwM11GIhlnoCSTiqtDYgyE3zA0ASPESdpGt+AkeUKamvSs8ga0HywlaS EPdR2A9AvuxA== X-IronPort-AV: E=Sophos;i="5.77,485,1596524400"; d="scan'208";a="358815623" Received: from genxfsim-desktop.iind.intel.com (HELO intel.com) ([10.223.74.178]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Nov 2020 00:53:11 -0800 Date: Tue, 17 Nov 2020 14:09:15 +0530 From: Anshuman Gupta To: "Huang, Sean Z" Message-ID: <20201117083915.GC13853@intel.com> References: <20201115210815.5272-1-sean.z.huang@intel.com> <20201115210815.5272-22-sean.z.huang@intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201115210815.5272-22-sean.z.huang@intel.com> User-Agent: Mutt/1.9.4 (2018-02-28) Subject: Re: [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: , Cc: krishnaiah.bommu@intel.com, "Intel-gfx@lists.freedesktop.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On 2020-11-16 at 02:38:10 +0530, Huang, Sean Z wrote: > 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) Currently this api used by Patch 27 of this series, uses gem object user flag (obj->user_flags) to pass as gem_object_metadata but it is unused ? why do we need this gem_object_metadata ? Thanks, Anshuman Gupta. > +{ > + 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 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx