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=-13.0 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_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 D14DCC433E7 for ; Tue, 1 Sep 2020 12:32:36 +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 9D2EF20767 for ; Tue, 1 Sep 2020 12:32:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9D2EF20767 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 0C4C46E426; Tue, 1 Sep 2020 12:32:36 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 32E6F6E426; Tue, 1 Sep 2020 12:32:35 +0000 (UTC) IronPort-SDR: Q7QA00jr2u5lGYaqqescYIgAJDCgfoYtJF64+dP4RqL+klwFxti6Imbj0QQl+nEBUxCyQVu+zx dEwSk8JgVRZw== X-IronPort-AV: E=McAfee;i="6000,8403,9730"; a="158157457" X-IronPort-AV: E=Sophos;i="5.76,379,1592895600"; d="scan'208";a="158157457" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2020 05:32:32 -0700 IronPort-SDR: csHmgCL3y2+/hiPxTON1Cf0koylB6CGy43LyI/w5dY+Re4g1LqLlmfXQp4qUVWiVXe/KYkBqMQ c2B0GcQf9KZg== X-IronPort-AV: E=Sophos;i="5.76,379,1592895600"; d="scan'208";a="325326231" Received: from kgeneral-mobl.ccr.corp.intel.com (HELO localhost) ([10.251.95.121]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2020 05:32:30 -0700 From: Jani Nikula To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Tue, 1 Sep 2020 15:32:26 +0300 Message-Id: <20200901123226.4177-1-jani.nikula@intel.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/dp: start using more of the extended receiver caps 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: jani.nikula@intel.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" In the future, we'll be needing more of the extended receiver capability field starting at DPCD address 0x2200. (Specifically, we'll need main link channel coding cap for DP 2.0.) Start using it now to not miss out later on. Cc: Lyude Paul Signed-off-by: Jani Nikula --- I guess this can be merged after the topic branch to drm-misc-next or so, but I'd prefer to have this fairly early on to catch any potential issues. --- drivers/gpu/drm/drm_dp_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 1e7c638873c8..3a3c238452df 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -436,7 +436,7 @@ static u8 drm_dp_downstream_port_count(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) static int drm_dp_read_extended_dpcd_caps(struct drm_dp_aux *aux, u8 dpcd[DP_RECEIVER_CAP_SIZE]) { - u8 dpcd_ext[6]; + u8 dpcd_ext[DP_RECEIVER_CAP_SIZE]; int ret; /* -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx