From patchwork Fri May 31 09:49:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Hogander, Jouni" X-Patchwork-Id: 13681459 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 75CDFC25B75 for ; Fri, 31 May 2024 09:50:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9E7CD10E412; Fri, 31 May 2024 09:50:46 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="WRT5Cm5E"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 83D3910E506 for ; Fri, 31 May 2024 09:50:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717149035; x=1748685035; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=nObwX5bbMSIBAjpNJKwjP312Yy4NSYZZ5VuRyaxE6+4=; b=WRT5Cm5EqGzs55CEsm/2qqgAtXY4eIWuyNeTsfXHuS/07YGTnV3ENSDp Q+b5ZbBGv1q9/rcVo2sROzWBjfEXlmAW8SfwCCP2WJbY6K2G4e+Bhs3nS y+ty2q7oXd1QBLBQ5l2cNisNNkd06xWUkqmbIZLAfDb3fsZyTxQmEBpMw l9n3dHB1Y1JFSFZtWVKor6BbJ45fG+Dp4Kl+n1gY19V1zxbKqxu/b6Tni MoJuNuzFmYNrZxcTlDdKK5quMa9AcmuqZqbpPO2OOxxDdiFZ8n2LptiZH tqhsbj3e2pYFmdW5KrpGI9+THIfWMFephMgSaCjmZOge4IXWHGMzUhClk Q==; X-CSE-ConnectionGUID: Bur3sN2fSreurD+YtsRlYw== X-CSE-MsgGUID: lcUoZXvDR9qILinv1NG63A== X-IronPort-AV: E=McAfee;i="6600,9927,11088"; a="13446570" X-IronPort-AV: E=Sophos;i="6.08,203,1712646000"; d="scan'208";a="13446570" 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 02:50:34 -0700 X-CSE-ConnectionGUID: nYq+ag6OTXe+A8e77ktSZQ== X-CSE-MsgGUID: SkA9jFnVSkSeTribPSQDwg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,203,1712646000"; d="scan'208";a="41189246" 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 02:50:33 -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 11/19] drm/i915/psr: Check panel Early Transport capability for eDP PR Date: Fri, 31 May 2024 12:49:45 +0300 Message-Id: <20240531094953.1797508-12-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 Early Transport on eDP. Bspec: 68920 Signed-off-by: Jouni Högander --- drivers/gpu/drm/i915/display/intel_psr.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 081109bed0e6..1e503612bd25 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -551,11 +551,18 @@ 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; + if (intel_dp_is_edp(intel_dp)) { + if (!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; + } + + if (!(intel_dp->pr_dpcd & DP_PANEL_REPLAY_EARLY_TRANSPORT_SUPPORT)) { + drm_dbg_kms(&i915->drm, + "Panel doesn't support early transport, eDP Panel Replay not possible\n"); + return; + } } intel_dp->psr.sink_panel_replay_support = true;