From patchwork Sun Sep 27 14:57:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 304330 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=-9.7 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS 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 98186C4346E for ; Sun, 27 Sep 2020 14:59:22 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 28FFC2389F for ; Sun, 27 Sep 2020 14:59:22 +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="C90xHP4q" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 28FFC2389F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:53078 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kMY93-0006H5-9k for qemu-devel@archiver.kernel.org; Sun, 27 Sep 2020 10:59:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49104) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kMY8D-0005Qy-FH for qemu-devel@nongnu.org; Sun, 27 Sep 2020 10:58:29 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:43106) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kMY88-0006TJ-I6 for qemu-devel@nongnu.org; Sun, 27 Sep 2020 10:58:28 -0400 Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1601218702; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=8Y86zsB51YRxIrGPaBaJ0OMrK6jcKF47UHG43z60HUs=; b=C90xHP4qVTT/BJOHnMY/0TxoR97eilhWmkTaZRXWVoqdZq5nqbnQ6Ith3AE9eHBvFGTuAY kHDmskH8dp+++7NdgfoTljjBHamRtdV+iIoo442daGEwfmFXQ0ZN5xjwhJEulCYpeu7ugY +46noDpZ/tLWQvauSJ4nxngHMzqKnjI= 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-195-6AhkGRkrP32wLC_Dwu1F7g-1; Sun, 27 Sep 2020 10:58:19 -0400 X-MC-Unique: 6AhkGRkrP32wLC_Dwu1F7g-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8A6EF1005E5C; Sun, 27 Sep 2020 14:58:18 +0000 (UTC) Received: from localhost (unknown [10.36.110.56]) by smtp.corp.redhat.com (Postfix) with ESMTP id 34ECF60C84; Sun, 27 Sep 2020 14:58:07 +0000 (UTC) From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Subject: [PATCH v3 1/6] edid: fix physical display size computation Date: Sun, 27 Sep 2020 18:57:46 +0400 Message-Id: <20200927145751.365446-2-marcandre.lureau@redhat.com> In-Reply-To: <20200927145751.365446-1-marcandre.lureau@redhat.com> References: <20200927145751.365446-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=marcandre.lureau@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/27 10:58:22 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -36 X-Spam_score: -3.7 X-Spam_bar: --- X-Spam_report: (-3.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.576, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=-1, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: spice-devel@lists.freedesktop.org, Gerd Hoffmann , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Marc-André Lureau Divide the resolution by the DPI, and multiply to mm. Note the computation done for edid[21/22] is correct (in cm). Signed-off-by: Marc-André Lureau --- hw/display/edid-generate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/display/edid-generate.c b/hw/display/edid-generate.c index e58472fde5..618c74e1df 100644 --- a/hw/display/edid-generate.c +++ b/hw/display/edid-generate.c @@ -208,8 +208,8 @@ static void edid_desc_timing(uint8_t *desc, uint32_t dpi) { /* physical display size */ - uint32_t xmm = xres * dpi / 254; - uint32_t ymm = yres * dpi / 254; + uint32_t xmm = xres * 254 / 10 / dpi; + uint32_t ymm = yres * 254 / 10 / dpi; /* pull some realistic looking timings out of thin air */ uint32_t xfront = xres * 25 / 100;