From patchwork Wed Mar 29 15:07:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Hogander, Jouni" X-Patchwork-Id: 13192696 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 4B32BC74A5B for ; Wed, 29 Mar 2023 15:11:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9DEA110EB25; Wed, 29 Mar 2023 15:11:19 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id D91A910E19A for ; Wed, 29 Mar 2023 15:11:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1680102670; x=1711638670; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=/yr5F50hYC9NLpRia9B25v6r+wHPjYIEfqqi/u7fP4s=; b=JwJKS4hFykxqJ2AzSgaCIGvdL/LXTMYDuDFxyT+0d+uXyrbF616d8nRL H62gQiWQ37c402WedzABkDJgHLkEnNyQ0ZwDXvEiUpekCYDZdq5tckfAv mtwyJVtf9rLJxcXIVeDdCopIsFdjGN9QRKz1bSZP+CmKLbPzJGyAcU9Zg 5yoU9zkQ2xskfchNsvoqpWidWi5SBxhC7oI4HH3A7siXshLdadhK+SOzR RaXH4AU8Y6vbF5Ci0QCNZW6IvFhdKCpyciM5e44LPe24KomiFqJ1ojdd9 0R5kU0ua8Ohha9cFV6NDbzB+kXaOiUccu32Q4r0KNxtkyzuxaL8o5gRf6 g==; X-IronPort-AV: E=McAfee;i="6600,9927,10664"; a="368672914" X-IronPort-AV: E=Sophos;i="5.98,301,1673942400"; d="scan'208";a="368672914" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2023 08:07:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10664"; a="753626037" X-IronPort-AV: E=Sophos;i="5.98,301,1673942400"; d="scan'208";a="753626037" Received: from pgarraul-mobl2.ger.corp.intel.com (HELO jhogande-mobl1.ger.corp.intel.com) ([10.251.223.204]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2023 08:07:45 -0700 From: =?utf-8?q?Jouni_H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org Date: Wed, 29 Mar 2023 18:07:01 +0300 Message-Id: <20230329150703.432072-5-jouni.hogander@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230329150703.432072-1-jouni.hogander@intel.com> References: <20230329150703.432072-1-jouni.hogander@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Subject: [Intel-gfx] [PATCH v7 4/6] drm/i915/psr: Add helpers for block count number handling 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" Add helpers to make it more clear how PSR2_CTL[Block Count Number] is configured. Signed-off-by: Jouni Högander Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_psr.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 98f48eb10c44..07b0c016e78a 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -519,6 +519,17 @@ static u32 intel_psr2_get_tp_time(struct intel_dp *intel_dp) return val; } +static int psr2_block_count_lines(struct intel_dp *intel_dp) +{ + return intel_dp->psr.io_wake_lines < 9 && + intel_dp->psr.fast_wake_lines < 9 ? 8 : 12; +} + +static int psr2_block_count(struct intel_dp *intel_dp) +{ + return psr2_block_count_lines(intel_dp) / 4; +} + static void hsw_activate_psr2(struct intel_dp *intel_dp) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); @@ -536,11 +547,10 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp) val |= intel_psr2_get_tp_time(intel_dp); if (DISPLAY_VER(dev_priv) >= 12) { - if (intel_dp->psr.io_wake_lines < 9 && - intel_dp->psr.fast_wake_lines < 9) - val |= TGL_EDP_PSR2_BLOCK_COUNT_NUM_2; - else + if (psr2_block_count(intel_dp) > 2) val |= TGL_EDP_PSR2_BLOCK_COUNT_NUM_3; + else + val |= TGL_EDP_PSR2_BLOCK_COUNT_NUM_2; } /* Wa_22012278275:adl-p */