From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030761Ab2CITsF (ORCPT ); Fri, 9 Mar 2012 14:48:05 -0500 Received: from mail-iy0-f174.google.com ([209.85.210.174]:48917 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030740Ab2CITr7 (ORCPT ); Fri, 9 Mar 2012 14:47:59 -0500 Message-Id: <20120309190205.960278401@linuxfoundation.org> User-Agent: quilt/0.60-19.1 Date: Fri, 09 Mar 2012 11:02:47 -0800 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Florian Tobias Schandinat Subject: [ 45/95] viafb: fix IGA1 modesetting on VX900 In-Reply-To: <20120309194424.GA2134@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Florian Tobias Schandinat commit e29206381a1436e0f47c0f5b9a23159a03c57715 upstream. Even if the documentation calls this bit "Reserved" it has to be set to 0 for correct modesetting on IGA1. Signed-off-by: Florian Tobias Schandinat Signed-off-by: Greg Kroah-Hartman --- drivers/video/via/hw.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/video/via/hw.c +++ b/drivers/video/via/hw.c @@ -1810,6 +1810,9 @@ static void hw_init(void) break; } + /* magic required on VX900 for correct modesetting on IGA1 */ + via_write_reg_mask(VIACR, 0x45, 0x00, 0x01); + /* probably this should go to the scaling code one day */ via_write_reg_mask(VIACR, 0xFD, 0, 0x80); /* VX900 hw scale on IGA2 */ viafb_write_regx(scaling_parameters, ARRAY_SIZE(scaling_parameters));