From patchwork Tue Aug 1 15:26:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 9874851 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 753DD6038F for ; Tue, 1 Aug 2017 15:26:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 656CC28389 for ; Tue, 1 Aug 2017 15:26:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5A377286C6; Tue, 1 Aug 2017 15:26:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B2F4D28389 for ; Tue, 1 Aug 2017 15:26:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 012CF6ED56; Tue, 1 Aug 2017 15:26:53 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from vern.gendns.com (vern.gendns.com [206.190.152.46]) by gabe.freedesktop.org (Postfix) with ESMTPS id 74C1E6ED56 for ; Tue, 1 Aug 2017 15:26:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lechnology.com; s=default; h=Message-Id:Date:Subject:Cc:To:From:Sender: Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=hzcC1u0SW3WNuq+6nRjUDQyJYCdDtiLSBSjrdSSX4PM=; b=pK2nxVdUtTB1hq+wgpaEGk2N5P FxUgzpA1ZeZZ5ArDIyO2bRyH9K8D36gGgY5yvftJPp/usaG7kvw0arMJaQLwxRnNLjoUzfz4WpmmY 1ekNfZOEW3wuX0G82QDoa6AaPL8Lub9Y3cQJ3OJxphjoAPuRuDKLyzWSP/F9pez+Yw+moD01H9tWZ 4Z0rx4FsMfiA9HnE1OcQvHoqEWwVbQ13iBoyhieOMaeOUD2yZ8Gui+n0q9+LXh2hvwP6PINXbrHAY +mHEUuk2qy7deD8EL1K3JCrd+b0gs1U/Be7bU7yhgDkKIhcNagFLeQyuQfpir+w/AcOGoQESKfsry gDztUzZg==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:32936 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.89) (envelope-from ) id 1dcZ1g-0012cZ-5y; Tue, 01 Aug 2017 11:24:04 -0400 From: David Lechner To: dri-devel@lists.freedesktop.org Subject: [PATCH] drm/fb-helper: pass physical dimensions to fbdev Date: Tue, 1 Aug 2017 10:26:41 -0500 Message-Id: <1501601201-32590-1-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - lists.freedesktop.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: Cc: David Lechner , linux-kernel@vger.kernel.org, Daniel Vetter X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The fbdev subsystem has a place for physical dimensions (width and height in mm) that is readable by userspace. Since DRM also knows these dimensions, pass this information to the fbdev device. Signed-off-by: David Lechner --- drivers/gpu/drm/drm_fb_helper.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 574af01..07a6621 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1759,6 +1759,7 @@ void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helpe uint32_t fb_width, uint32_t fb_height) { struct drm_framebuffer *fb = fb_helper->fb; + int i; info->pseudo_palette = fb_helper->pseudo_palette; info->var.xres_virtual = fb->width; @@ -1771,6 +1772,18 @@ void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helpe info->var.height = -1; info->var.width = -1; + drm_fb_helper_for_each_connector(fb_helper, i) { + struct drm_connector *connector = + fb_helper->connector_info[i]->connector; + + /* use the first connected connector for the physical dimensions */ + if (connector->status == connector_status_connected) { + info->var.height = connector->display_info.width_mm; + info->var.width = connector->display_info.height_mm; + break; + } + } + switch (fb->format->depth) { case 8: info->var.red.offset = 0;