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=-9.7 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 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 EEB84C433DF for ; Tue, 20 Oct 2020 10:17:51 +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 647242222D for ; Tue, 20 Oct 2020 10:17:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 647242222D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.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 A575C6E11E; Tue, 20 Oct 2020 10:17:50 +0000 (UTC) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 028396E11E; Tue, 20 Oct 2020 10:17:48 +0000 (UTC) IronPort-SDR: Fghh3zMyy+YjHtpoW/XaUh46kQKArsey7ByPJ7U/J5fut0DmFkTkLVcs4KjMirGbUF9O4VAVzd jmx84sZpNQNQ== X-IronPort-AV: E=McAfee;i="6000,8403,9779"; a="166408970" X-IronPort-AV: E=Sophos;i="5.77,396,1596524400"; d="scan'208";a="166408970" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2020 03:17:48 -0700 IronPort-SDR: RMHtQ0QnmGsBSxExsZ8yZPfqDI8cZvwZAodaenD07ammnLOvY3Wi/cdkBCMLuTTr0rKNclsyTT AHPCU9YPuHxQ== X-IronPort-AV: E=Sophos;i="5.77,396,1596524400"; d="scan'208";a="533003939" Received: from bneville-mobl5.ger.corp.intel.com (HELO localhost) ([10.252.6.14]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2020 03:17:45 -0700 From: Jani Nikula To: Maarten Lankhorst , Anshuman Gupta , dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org In-Reply-To: <5fb7a376-d520-97e0-54cd-6174019ce1d1@linux.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20201019071259.24566-1-anshuman.gupta@intel.com> <8736299qtu.fsf@intel.com> <5fb7a376-d520-97e0-54cd-6174019ce1d1@linux.intel.com> Date: Tue, 20 Oct 2020 13:17:42 +0300 Message-ID: <87zh4h8am1.fsf@intel.com> MIME-Version: 1.0 Subject: Re: [Intel-gfx] [RFC] drm/hdcp: Max MST content streams 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: Sean Paul , Thomas Zimmermann , Maxime Ripard Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Tue, 20 Oct 2020, Maarten Lankhorst wrote: > Op 20-10-2020 om 11:42 schreef Jani Nikula: >> On Mon, 19 Oct 2020, Anshuman Gupta wrote: >>> Let's define Maximum MST content streams up to four >>> generically which can be supported by modern display >>> controllers. >>> >>> Cc: Sean Paul >>> Cc: Ramalingam C >>> Signed-off-by: Anshuman Gupta >> Hey drm-misc maintainers, >> >> I'd like to get an ack to merge this via drm-intel as part of [1]. >> >> Thanks, >> Jani. >> >> >> >> [1] http://lore.kernel.org/r/20201014045252.13608-1-anshuman.gupta@intel.com >> >> >> >>> --- >>> include/drm/drm_hdcp.h | 8 ++++---- >>> 1 file changed, 4 insertions(+), 4 deletions(-) >>> >>> diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h >>> index fe58dbb46962..ac22c246542a 100644 >>> --- a/include/drm/drm_hdcp.h >>> +++ b/include/drm/drm_hdcp.h >>> @@ -101,11 +101,11 @@ >>> >>> /* Following Macros take a byte at a time for bit(s) masking */ >>> /* >>> - * TODO: This has to be changed for DP MST, as multiple stream on >>> - * same port is possible. >>> - * For HDCP2.2 on HDMI and DP SST this value is always 1. >>> + * TODO: HDCP_2_2_MAX_CONTENT_STREAMS_CNT is based upon actual >>> + * H/W MST streams capacity. >>> + * This required to be moved out to platform specific header. >>> */ >>> -#define HDCP_2_2_MAX_CONTENT_STREAMS_CNT 1 >>> +#define HDCP_2_2_MAX_CONTENT_STREAMS_CNT 4 >>> #define HDCP_2_2_TXCAP_MASK_LEN 2 >>> #define HDCP_2_2_RXCAPS_LEN 3 >>> #define HDCP_2_2_RX_REPEATER(x) ((x) & BIT(0)) > > Well since it's such a small change.. > > Acked-by: Maarten Lankhorst Thanks. BR, Jani. -- Jani Nikula, Intel Open Source Graphics Center _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx