From patchwork Fri May 31 09:49:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Hogander, Jouni" X-Patchwork-Id: 13681462 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 2F429C27C4F for ; Fri, 31 May 2024 09:50:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BBC4B10E554; Fri, 31 May 2024 09:50:56 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="kaaV709c"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 66E2C10E3D8 for ; Fri, 31 May 2024 09:50:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717149027; x=1748685027; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=WKwhbzQi5hsplwFgH2qsWWBeAppsfVS5UfGKMoq9rG4=; b=kaaV709cj5qj2p9sALvip5PIfQsMeQfZZI18VzTewEL1YKkAKbOb9+MJ OIknUzhxM5y47PUhxFBSk66n9nxfRnBA1ZZhFZBXO5IijVyBkmKyencA3 95jcC6fKV2TKaurO0KaWj0LnH3y+6P6cpcJAd9NIqyU41mTerMsyaGTPO xScrYkOY8qR3Q1ZQpvgscTForqAWreR4+169IPY6q7MITE2tIeSd6DVkx 9NE1cGWIXYvtKKuQX7kllR3WQqdjtwZCJ7cO9bujzfP0FMn80GbBGRCj6 kM5Z4bNIMpyle4GmcZwu21MgKxeyjLF3H9wS2/Uh9ma2R4AImOl990rS5 w==; X-CSE-ConnectionGUID: st7Coi5fTkyee8tYbeDe6w== X-CSE-MsgGUID: WZi871ugQmSj9Bpmd6dRtQ== X-IronPort-AV: E=McAfee;i="6600,9927,11088"; a="13446564" X-IronPort-AV: E=Sophos;i="6.08,203,1712646000"; d="scan'208";a="13446564" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 May 2024 02:50:27 -0700 X-CSE-ConnectionGUID: IoGmTBzmQPuQY9YFBJzPxQ== X-CSE-MsgGUID: n5qUrOUpQ8KllnXT/7XPeg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,203,1712646000"; d="scan'208";a="41189228" Received: from romanove-mobl.ger.corp.intel.com (HELO jhogande-mobl1.intel.com) ([10.249.36.204]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 May 2024 02:50:25 -0700 From: =?utf-8?q?Jouni_H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org Cc: animesh.manna@intel.com, mika.kahola@intel.com, =?utf-8?q?Jouni_H=C3=B6g?= =?utf-8?q?ander?= Subject: [PATCH v4 07/19] drm/i915/psr: Check panel ALPM capability for eDP Panel Replay Date: Fri, 31 May 2024 12:49:41 +0300 Message-Id: <20240531094953.1797508-8-jouni.hogander@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240531094953.1797508-1-jouni.hogander@intel.com> References: <20240531094953.1797508-1-jouni.hogander@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo 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" Our HW doesn't support Panel Replay without AUX_LESS ALPM on eDP. Check panel support for this and prevent eDP panel replay if it doesn't exits. Bspec: 68920 v2: use intel_alpm_aux_less_wake_supported Signed-off-by: Jouni Högander --- drivers/gpu/drm/i915/display/intel_psr.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 05aff2adb19e..7fb14d740d31 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -561,6 +561,13 @@ static void _panel_replay_init_dpcd(struct intel_dp *intel_dp) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); + if (intel_dp_is_edp(intel_dp) && + (!intel_alpm_aux_less_wake_supported(intel_dp))) { + drm_dbg_kms(&i915->drm, + "Panel doesn't support AUX-less ALPM, eDP Panel Replay not possible\n"); + return; + } + intel_dp->psr.sink_panel_replay_support = true; if (intel_dp->pr_dpcd & DP_PANEL_REPLAY_SU_SUPPORT)