From patchwork Mon Jun 10 07:21:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Golani, Mitulkumar Ajitkumar" X-Patchwork-Id: 13691613 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 533F8C27C5E for ; Mon, 10 Jun 2024 07:22:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3931910E320; Mon, 10 Jun 2024 07:22:11 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="hjDUTYnh"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 050D310E2FB for ; Mon, 10 Jun 2024 07:22:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1718004123; x=1749540123; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=e8qcgTW2dhOOlSCuU4/r4JEBFlvgVr5lgto9D98fpzw=; b=hjDUTYnhVWJy9/Xaq57n+REYuELiNHUwXSBrMwD43g/l+jb5x+IT3A0N 3jAaJdN9UPjX1ESCgo1Q5Dc5Tim5ub/lo+VkiNEXG+rE+BKULgOiKm0KI 7aminnzNPXTcfWS6dXYoxXIAZPtqVjohysDwH+koHVJuXia5p0uCzsg82 lHhCf7EOGYFU+4dERuJsJOErOQB0vdPdXJJQCWsCQrKo6QTCtu3vtr/aY gG2nZ97M0hiGgd2Eq1UN8Ru611Bp1DYxTh4WFqDDFQguJq0m7629qIkws K9gISnCSTlj7k/BRR5IPIr4QjcqGf8n/ZIchw2h2CynjzuicLOObFnIqM g==; X-CSE-ConnectionGUID: EprQkfDPRj68elEY5Nl07Q== X-CSE-MsgGUID: rLiKDqGSQP6n7ancwmi89g== X-IronPort-AV: E=McAfee;i="6600,9927,11098"; a="14526406" X-IronPort-AV: E=Sophos;i="6.08,227,1712646000"; d="scan'208";a="14526406" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jun 2024 00:22:03 -0700 X-CSE-ConnectionGUID: WNeNLWeoQuOi/qjNW39yBw== X-CSE-MsgGUID: KCUcbUPkTOO78IAhFvVX3w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,227,1712646000"; d="scan'208";a="43407639" Received: from mgolanimitul-x299-ud4-pro.iind.intel.com ([10.190.239.114]) by fmviesa003.fm.intel.com with ESMTP; 10 Jun 2024 00:22:02 -0700 From: Mitul Golani To: intel-gfx@lists.freedesktop.org Cc: ankit.k.nautiyal@intel.com Subject: [PATCH v16 6/9] drm/i915/display: Add support for pack and unpack Date: Mon, 10 Jun 2024 12:51:59 +0530 Message-ID: <20240610072203.24956-7-mitulkumar.ajitkumar.golani@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240610072203.24956-1-mitulkumar.ajitkumar.golani@intel.com> References: <20240610072203.24956-1-mitulkumar.ajitkumar.golani@intel.com> MIME-Version: 1.0 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 support of pack and unpack for target_rr_divider. --v2: - Set Target Refresh Rate Divider bit when related AS SDP bit is set (Ankit). --v3: - target_rr_divider is bools so set accordingly (Ankit). Signed-off-by: Mitul Golani Reviewed-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dp.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index fd054e16850d..ac81b172b1ec 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -4232,6 +4232,9 @@ static ssize_t intel_dp_as_sdp_pack(const struct drm_dp_as_sdp *as_sdp, sdp->db[3] = as_sdp->target_rr & 0xFF; sdp->db[4] = (as_sdp->target_rr >> 8) & 0x3; + if (as_sdp->target_rr_divider) + sdp->db[4] |= 0x20; + return length; } @@ -4413,6 +4416,7 @@ int intel_dp_as_sdp_unpack(struct drm_dp_as_sdp *as_sdp, as_sdp->mode = sdp->db[0] & DP_ADAPTIVE_SYNC_SDP_OPERATION_MODE; as_sdp->vtotal = (sdp->db[2] << 8) | sdp->db[1]; as_sdp->target_rr = (u64)sdp->db[3] | ((u64)sdp->db[4] & 0x3); + as_sdp->target_rr_divider = sdp->db[4] & 0x20 ? true : false; return 0; }