From patchwork Fri Mar 26 20:38:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lyude Paul X-Patchwork-Id: 12167579 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BEC2FC433E1 for ; Fri, 26 Mar 2021 20:40:13 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id AC67361A13 for ; Fri, 26 Mar 2021 20:40:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AC67361A13 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B5BF76F4C0; Fri, 26 Mar 2021 20:40:10 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 195256F4C0 for ; Fri, 26 Mar 2021 20:40:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1616791206; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vEFLlKqDDfptG4qDlaE26fbVsZb8N3oVigdwhGPdZaQ=; b=aEF9nkb2lj985StYtdeZVhJmgxSLu2E8xyNXSYF6YamebAJ9MouYIoI0xcDKnL25nd2cuO CdqVfczuqiMlWh1UTFjgk36C4hDMVIn6rDQcjzKd5JXPoqZrOiWVsnTc46uaLn7RAP5csG vOqukTa8e3bt45m13TNGQioydj6rX9o= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-499-w3yM6KwSOxCBcCjzySCyMA-1; Fri, 26 Mar 2021 16:40:04 -0400 X-MC-Unique: w3yM6KwSOxCBcCjzySCyMA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 055D38143F0; Fri, 26 Mar 2021 20:40:01 +0000 (UTC) Received: from Whitewolf.lyude.net (ovpn-114-133.rdu2.redhat.com [10.10.114.133]) by smtp.corp.redhat.com (Postfix) with ESMTP id B4EF95DEAD; Fri, 26 Mar 2021 20:39:57 +0000 (UTC) From: Lyude Paul To: nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Subject: [PATCH v2 16/20] drm/dp_mst: Pass drm_dp_mst_topology_mgr to drm_dp_get_vc_payload_bw() Date: Fri, 26 Mar 2021 16:38:03 -0400 Message-Id: <20210326203807.105754-17-lyude@redhat.com> In-Reply-To: <20210326203807.105754-1-lyude@redhat.com> References: <20210326203807.105754-1-lyude@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lucas De Marchi , Thomas Zimmermann , Anshuman Gupta , David Airlie , open list , Sean Paul , Rodrigo Vivi , Lee Shawn C Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Since this is one of the few functions in drm_dp_mst_topology.c that doesn't have any way of getting access to a drm_device, let's pass the drm_dp_mst_topology_mgr down to this function so that it can use drm_dbg_kms(). Signed-off-by: Lyude Paul --- drivers/gpu/drm/drm_dp_mst_topology.c | 7 +++++-- drivers/gpu/drm/i915/display/intel_dp_mst.c | 3 ++- include/drm/drm_dp_mst_helper.h | 3 ++- 3 files changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 1a7a8b085de4..ec2285595c33 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -3638,6 +3638,7 @@ static int drm_dp_send_up_ack_reply(struct drm_dp_mst_topology_mgr *mgr, /** * drm_dp_get_vc_payload_bw - get the VC payload BW for an MST link + * @mgr: The &drm_dp_mst_topology_mgr to use * @link_rate: link rate in 10kbits/s units * @link_lane_count: lane count * @@ -3646,7 +3647,8 @@ static int drm_dp_send_up_ack_reply(struct drm_dp_mst_topology_mgr *mgr, * convert the number of PBNs required for a given stream to the number of * timeslots this stream requires in each MTP. */ -int drm_dp_get_vc_payload_bw(int link_rate, int link_lane_count) +int drm_dp_get_vc_payload_bw(const struct drm_dp_mst_topology_mgr *mgr, + int link_rate, int link_lane_count) { if (link_rate == 0 || link_lane_count == 0) DRM_DEBUG_KMS("invalid link rate/lane count: (%d / %d)\n", @@ -3711,7 +3713,8 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms goto out_unlock; } - mgr->pbn_div = drm_dp_get_vc_payload_bw(drm_dp_bw_code_to_link_rate(mgr->dpcd[1]), + mgr->pbn_div = drm_dp_get_vc_payload_bw(mgr, + drm_dp_bw_code_to_link_rate(mgr->dpcd[1]), mgr->dpcd[2] & DP_MAX_LANE_COUNT_MASK); if (mgr->pbn_div == 0) { ret = -EINVAL; diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 2daa3f67791e..860381d68d9d 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -70,7 +70,8 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder, slots = drm_dp_atomic_find_vcpi_slots(state, &intel_dp->mst_mgr, connector->port, crtc_state->pbn, - drm_dp_get_vc_payload_bw(crtc_state->port_clock, + drm_dp_get_vc_payload_bw(&intel_dp->mst_mgr, + crtc_state->port_clock, crtc_state->lane_count)); if (slots == -EDEADLK) return slots; diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h index bd1c39907b92..20dc705642bd 100644 --- a/include/drm/drm_dp_mst_helper.h +++ b/include/drm/drm_dp_mst_helper.h @@ -783,7 +783,8 @@ drm_dp_mst_detect_port(struct drm_connector *connector, struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port); -int drm_dp_get_vc_payload_bw(int link_rate, int link_lane_count); +int drm_dp_get_vc_payload_bw(const struct drm_dp_mst_topology_mgr *mgr, + int link_rate, int link_lane_count); int drm_dp_calc_pbn_mode(int clock, int bpp, bool dsc);