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 8F42EC2D0CD for ; Wed, 21 May 2025 09:33:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3CCAE10E6E5; Wed, 21 May 2025 09:33:08 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="DaAwGijl"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id F2B8310E6E3; Wed, 21 May 2025 09:33:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747819987; x=1779355987; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=VzcLB2FIS2c4jphFdMOPCuK3pPYwVa17MiySlQkUNH8=; b=DaAwGijlnDgPJzxSAhZEyUZrVgexpJeulFQc8sR4Mxc49GDBewP9wq9H +l3lgGT3rLqurdEuouh5YANsAyk0kUTfNhBef4BlDFnThAZfy93kR+gXK +XUN+G9ntBX3JOW/cxkSTTvv6jEaxqc/FuzJKhhF5zdLz7GcCX1CXZXAH D7OOgpRypUzxjWKfZjUJJyWY3VZjvDtdXZ8Fi0f+TnLqO3W2OsE8D+xVo Eaj3WBJKzRKK/UbpLf/XoKkpADHMt5arIckhfJT94zbVjS2dtZC9HzSZD CXQ+T+YHHXk8hWaqYUMZC5OeohhytkAam1z5MGeWunDzOjfBEoZ+Howsp A==; X-CSE-ConnectionGUID: +W5UVhmeSEihA/S4r6E6Fg== X-CSE-MsgGUID: AB1V3GbUSXKZLXlG9OFW0g== X-IronPort-AV: E=McAfee;i="6700,10204,11439"; a="49714319" X-IronPort-AV: E=Sophos;i="6.15,303,1739865600"; d="scan'208";a="49714319" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 May 2025 02:33:07 -0700 X-CSE-ConnectionGUID: xKVuDHTbT36JrDf2sVdpSw== X-CSE-MsgGUID: psvR74q8RHa2UCGsvG82kg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,303,1739865600"; d="scan'208";a="140407063" Received: from abityuts-desk.ger.corp.intel.com (HELO jhogande-mobl1..) ([10.245.244.119]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 May 2025 02:33:05 -0700 From: =?UTF-8?q?Jouni=20H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: =?UTF-8?q?Jouni=20H=C3=B6gander?= , Ankit Nautiyal Subject: [PATCH v3 05/12] drm/i915/alpm: Write PR_ALPM_CTL register Date: Wed, 21 May 2025 12:32:33 +0300 Message-ID: <20250521093240.2284835-6-jouni.hogander@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250521093240.2284835-1-jouni.hogander@intel.com> References: <20250521093240.2284835-1-jouni.hogander@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Content-Transfer-Encoding: 8bit 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" PR_ALPM_CTL register contains configurations related to Adaptive sync sdp. Configure these if Adaptive Sync SDP is supported. v2: avoid using hardcoded indices Bspec: 71014 Signed-off-by: Jouni Högander Reviewed-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_alpm.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c b/drivers/gpu/drm/i915/display/intel_alpm.c index c176bdbc19a3..0890247085a7 100644 --- a/drivers/gpu/drm/i915/display/intel_alpm.c +++ b/drivers/gpu/drm/i915/display/intel_alpm.c @@ -348,6 +348,20 @@ static void lnl_alpm_configure(struct intel_dp *intel_dp, ALPM_CTL_AUX_LESS_SLEEP_HOLD_TIME_50_SYMBOLS | ALPM_CTL_AUX_LESS_WAKE_TIME(intel_dp->alpm_parameters.aux_less_wake_lines); + if (intel_dp->as_sdp_supported) { + u32 pr_alpm_ctl = PR_ALPM_CTL_ADAPTIVE_SYNC_SDP_POSITION_T1; + + if (intel_dp->pr_dpcd[INTEL_PR_DPCD_INDEX(DP_PANEL_REPLAY_CAP_CAPABILITY)] & + DP_PANEL_REPLAY_LINK_OFF_SUPPORTED_IN_PR_AFTER_ADAPTIVE_SYNC_SDP) + pr_alpm_ctl |= PR_ALPM_CTL_ALLOW_LINK_OFF_BETWEEN_AS_SDP_AND_SU; + if (!(intel_dp->pr_dpcd[INTEL_PR_DPCD_INDEX(DP_PANEL_REPLAY_CAP_CAPABILITY)] & + DP_PANEL_REPLAY_ASYNC_VIDEO_TIMING_NOT_SUPPORTED_IN_PR)) + pr_alpm_ctl |= PR_ALPM_CTL_AS_SDP_TRANSMISSION_IN_ACTIVE_DISABLE; + + intel_de_write(display, PR_ALPM_CTL(display, cpu_transcoder), + pr_alpm_ctl); + } + intel_de_write(display, PORT_ALPM_CTL(port), PORT_ALPM_CTL_ALPM_AUX_LESS_ENABLE | -- 2.43.0