From patchwork Wed Jun 5 10:25:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Hogander, Jouni" X-Patchwork-Id: 13686585 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 B3C4CC27C53 for ; Wed, 5 Jun 2024 10:27:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D9C3D10E754; Wed, 5 Jun 2024 10:26:59 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ZfuvQqTO"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7CAEB10E729 for ; Wed, 5 Jun 2024 10:26:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717583210; x=1749119210; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=MW/jkEPCuwK2pOG11BwGOwUCUEh3wwlmYU5psbYuXi4=; b=ZfuvQqTOh1jzNI4kL2xYFcyNybInWqKK0yK0o1PAFbzzBFaQ0AeGcqOx BdLlzQHP1a+tmm1tYpJiZpT6mYRRsYkTgkOHw0Yj+qmEhXNI7yxPzXaaM WNrVjENddnqQ4XtOVdRyaySeJS8IDUNVf4tR8TrrklmTp7D7Vo3xV6CBj oOVo4Gbio0hAZXM2uKhvJxNGx+Sx4J2/Cz/J+iDWOQFz3hPIE/oXZdhkO jK2tcFJqNpi5Eq7rVzOyFtB9RlClhLa+zx0Ba+hI+AKIzEJ5iVL+SKgbp vgL4cLo5GK3U4EeHWttnysa7SPBpu8lSGIGUMkMdspU1S1V6WDpp4gbyw A==; X-CSE-ConnectionGUID: bIT6WBPkSOOT9jFUjM8wsA== X-CSE-MsgGUID: cqjzUewZTKicfv9Eu0AMMA== X-IronPort-AV: E=McAfee;i="6600,9927,11093"; a="14136148" X-IronPort-AV: E=Sophos;i="6.08,216,1712646000"; d="scan'208";a="14136148" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jun 2024 03:26:50 -0700 X-CSE-ConnectionGUID: KrCUxqcrQAGPxluNtTurQA== X-CSE-MsgGUID: +2Af/aEMSTS1cQmz+e/G0w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,216,1712646000"; d="scan'208";a="68686278" Received: from amokrov-mobl1.ccr.corp.intel.com (HELO jhogande-mobl1.intel.com) ([10.249.37.49]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jun 2024 03:26:49 -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 v6 18/26] drm/i915/psr: Check panel Early Transport capability for eDP PR Date: Wed, 5 Jun 2024 13:25:45 +0300 Message-Id: <20240605102553.187309-19-jouni.hogander@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240605102553.187309-1-jouni.hogander@intel.com> References: <20240605102553.187309-1-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 171ea2a03ed6..bc8c822094e7 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;