From patchwork Wed Feb 12 09:35:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramalingam C X-Patchwork-Id: 11378069 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0BE6A1395 for ; Wed, 12 Feb 2020 09:35:16 +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 E8B3D2073C for ; Wed, 12 Feb 2020 09:35:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E8B3D2073C 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 F20A36E563; Wed, 12 Feb 2020 09:35:06 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 63A626E563; Wed, 12 Feb 2020 09:35:05 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Feb 2020 01:35:05 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,428,1574150400"; d="scan'208";a="406240237" Received: from ramaling-i9x.iind.intel.com ([10.99.66.154]) by orsmga005.jf.intel.com with ESMTP; 12 Feb 2020 01:35:03 -0800 From: Ramalingam C To: intel-gfx , dri-devel Date: Wed, 12 Feb 2020 15:05:12 +0530 Message-Id: <20200212093515.11700-3-ramalingam.c@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200212093515.11700-1-ramalingam.c@intel.com> References: <20200212093515.11700-1-ramalingam.c@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/5] drm/hdcp: fix DRM_HDCP_2_KSV_COUNT_2_LSBITS 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Need to extract the 2 most significant bits from a byte for constructing the revoked KSV count of the SRM. Signed-off-by: Ramalingam C --- include/drm/drm_hdcp.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h index d512089b873f..c6bab4986a65 100644 --- a/include/drm/drm_hdcp.h +++ b/include/drm/drm_hdcp.h @@ -276,7 +276,7 @@ void drm_hdcp_cpu_to_be24(u8 seq_num[HDCP_2_2_SEQ_NUM_LEN], u32 val) #define DRM_HDCP_2_VRL_LENGTH_SIZE 3 #define DRM_HDCP_2_DCP_SIG_SIZE 384 #define DRM_HDCP_2_NO_OF_DEV_PLUS_RESERVED_SZ 4 -#define DRM_HDCP_2_KSV_COUNT_2_LSBITS(byte) (((byte) & 0xC) >> 6) +#define DRM_HDCP_2_KSV_COUNT_2_LSBITS(byte) (((byte) & 0xC0) >> 6) struct hdcp_srm_header { u8 srm_id;