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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id A9BBEECAAD2 for ; Thu, 1 Sep 2022 06:01:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3408810E59C; Thu, 1 Sep 2022 06:01:24 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id B9FFE10E54F for ; Thu, 1 Sep 2022 06:01:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1662012080; x=1693548080; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=uCGcg6O5+qGQDYYxwQ/y0/rs66x+CfgKY7ZqbC8RvqM=; b=QnKxv3ZpQVY9d7gbzbECtqi2xyWkt/8WI1qvFMoeqEILhCd2x85vqKBd UyRWS+0yNJhsJt4ZuS93uUC9uEVW/j1RRmcRR3koPTOS9Jlf9Jt2maxB1 YXM58sENT335DUCqMCZB4ZFUkHDXLTiXKCG6uuI98dEEbRO+sTYr94tBF nE8VRps8AEYQj3haChmr7Pnw68u/uB06WPhxP760zFkdWmnjMJu4xtmyA qVsHur5+iU7/rIY3jY9Gge2YzIdEphlFhGwzwBaQOUGFg0ScQSp1V4SzE vkjnZUVO3vIjDO+XiiwKCI69kNy9LiYIa0018FCuar1rUmT4DReUw95EK g==; X-IronPort-AV: E=McAfee;i="6500,9779,10456"; a="381920220" X-IronPort-AV: E=Sophos;i="5.93,280,1654585200"; d="scan'208";a="381920220" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2022 23:01:20 -0700 X-IronPort-AV: E=Sophos;i="5.93,280,1654585200"; d="scan'208";a="754685612" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2022 23:01:18 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Date: Thu, 1 Sep 2022 11:30:53 +0530 Message-Id: <20220901060101.1000290-2-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220901060101.1000290-1-ankit.k.nautiyal@intel.com> References: <20220901060101.1000290-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Intel-gfx] [PATCH v2 1/9] drm/i915/dp: Reset frl trained flag before restarting FRL training 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" For cases where DP has HDMI2.1 sink and FRL Link issues are detected, reset the flag to state FRL trained status before restarting FRL training. Fixes: 9488a030ac91 ("drm/i915: Add support for enabling link status and recovery") Cc: Swati Sharma Cc: Ankit Nautiyal Cc: Uma Shankar (v2) Cc: Jani Nikula Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index d4e037450ac5..e9e5e4606d9c 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -3958,6 +3958,8 @@ intel_dp_handle_hdmi_link_status_change(struct intel_dp *intel_dp) drm_dp_pcon_hdmi_frl_link_error_count(&intel_dp->aux, &intel_dp->attached_connector->base); + intel_dp->frl.is_trained = false; + /* Restart FRL training or fall back to TMDS mode */ intel_dp_check_frl_training(intel_dp); } -- 2.25.1