From patchwork Sun Jun 3 14:41:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikulas Patocka X-Patchwork-Id: 10445369 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 48E746022E for ; Sun, 3 Jun 2018 15:19:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 37CA8289ED for ; Sun, 3 Jun 2018 15:19:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2A27828ACB; Sun, 3 Jun 2018 15:19:06 +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=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED 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 DFD47289ED for ; Sun, 3 Jun 2018 15:19:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 353A36E278; Sun, 3 Jun 2018 15:19:02 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from leontynka.twibright.com (109-183-129-149.tmcz.cz [109.183.129.149]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6F5826E278 for ; Sun, 3 Jun 2018 15:19:00 +0000 (UTC) Received: from root by leontynka.twibright.com with local (Exim 4.89) (envelope-from ) id 1fPUDB-0003wB-D9; Sun, 03 Jun 2018 16:42:25 +0200 Message-Id: <20180603144225.065615205@twibright.com> User-Agent: quilt/0.63-1 Date: Sun, 03 Jun 2018 16:41:10 +0200 From: Mikulas Patocka To: Mikulas Patocka , Bartlomiej Zolnierkiewicz , Dave Airlie , Bernie Thompson , Ladislav Michl Subject: [PATCH 17/21] udlfb: set line_length in dlfb_ops_set_par References: <20180603144053.875668929@twibright.com> MIME-Version: 1.0 Content-Disposition: inline; filename=udl-line-length.patch X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Set the variable "line_length" in the function dlfb_ops_set_par. Without this, we get garbage if we select different videomode with fbset. Signed-off-by: Mikulas Patocka Cc: stable@vger.kernel.org --- drivers/video/fbdev/udlfb.c | 1 + 1 file changed, 1 insertion(+) Index: linux-4.17-rc7/drivers/video/fbdev/udlfb.c =================================================================== --- linux-4.17-rc7.orig/drivers/video/fbdev/udlfb.c 2018-05-31 14:50:00.000000000 +0200 +++ linux-4.17-rc7/drivers/video/fbdev/udlfb.c 2018-05-31 14:50:00.000000000 +0200 @@ -1057,6 +1057,7 @@ static int dlfb_ops_set_par(struct fb_in return result; dlfb->current_mode = fvs; + info->fix.line_length = info->var.xres * (info->var.bits_per_pixel / 8); if (dlfb->fb_count == 0) {