From patchwork Wed Jul 8 23:33:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lyude Paul X-Patchwork-Id: 11652949 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5F8F6912 for ; Wed, 8 Jul 2020 23:33:30 +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 3F4FD206F6 for ; Wed, 8 Jul 2020 23:33:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="OxjofCKd" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3F4FD206F6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DF79289D99; Wed, 8 Jul 2020 23:33:24 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 511D789C9C for ; Wed, 8 Jul 2020 23:33:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594251202; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=M12jSZj9FkKmLS9gHL4K7gwhuLwQagV3hlm1sbx5aIM=; b=OxjofCKdd68rt3RRCSOY8eZwlWHPRhlefz7KcXofshfFRPQnS7wc3ebGyHZhAJxV4lIPPh F6WXUjlrdbw8cRlYUmX9NJWpF0VEjmlUWVJDl/cW1Q96Dj1c1KVtaiDM8bTxLiiwbrgoTu qldAlGBbX0HYI+bv6DAQ2Zgro18J668= 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-501-CcSDaK3WML-4iqys2mDReQ-1; Wed, 08 Jul 2020 19:33:20 -0400 X-MC-Unique: CcSDaK3WML-4iqys2mDReQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A758680183C; Wed, 8 Jul 2020 23:33:19 +0000 (UTC) Received: from Whitewolf.redhat.com (unknown [10.10.115.252]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3F3D17F8A9; Wed, 8 Jul 2020 23:33:18 +0000 (UTC) From: Lyude Paul To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Wed, 8 Jul 2020 19:33:09 -0400 Message-Id: <20200708233311.200024-1-lyude@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lyude@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Subject: [Intel-gfx] [PATCH v2 0/2] drm/probe_helper, i915: Validate MST modes against PBN limits 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" Something we've been missing for a while with drivers that support MST is being able to prune modes that can't be set due to bandwidth limitations. So, let's go ahead and add that. This also adds a new hook that was needed, mode_valid_ctx, so that we can grab additional locks as needed when validating modes. Lee Shawn C (1): drm/i915/mst: filter out the display mode exceed sink's capability Lyude Paul (1): drm/probe_helper: Add drm_connector_helper_funcs.mode_valid_ctx drivers/gpu/drm/drm_crtc_helper_internal.h | 7 +- drivers/gpu/drm/drm_probe_helper.c | 97 ++++++++++++++------- drivers/gpu/drm/i915/display/intel_dp_mst.c | 55 ++++++++---- include/drm/drm_modes.h | 4 +- include/drm/drm_modeset_helper_vtables.h | 42 +++++++++ 5 files changed, 152 insertions(+), 53 deletions(-)