From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751961AbbDSLJK (ORCPT ); Sun, 19 Apr 2015 07:09:10 -0400 Received: from regular1.263xmail.com ([211.150.99.137]:37885 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751061AbbDSLJH (ORCPT ); Sun, 19 Apr 2015 07:09:07 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 X-RL-SENDER: wxt@rock-chips.com X-FST-TO: daniel@ffwll.ch X-SENDER-IP: 103.47.144.146 X-LOGIN-NAME: wxt@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 Message-ID: <55338CA7.3090404@rock-chips.com> Date: Sun, 19 Apr 2015 19:08:23 +0800 From: Caesar Wang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: David Airlie , Heiko Stuebner , Daniel Kurtz , Mark Yao CC: linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Rob Clark , Daniel Vetter Subject: Re: [PATCH] drm: rockchip: Turn off VT switching on suspend References: <1427797370-32441-1-git-send-email-wxt@rock-chips.com> <1427797370-32441-2-git-send-email-wxt@rock-chips.com> In-Reply-To: <1427797370-32441-2-git-send-email-wxt@rock-chips.com> Content-Type: text/plain; charset=gbk; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Mark, Can you apply it into your drm branch if it's indeed uesful for u? 在 2015年03月31日 18:22, Caesar Wang 写道: > drm/rockchip already has support for disabling all displays on suspend > and enabling them on resume. > > Disable automatic VT switching on suspend by the pm console tracking > layer. > > Tested on veyron, used `echo mem > sys/power/state` > => verified no VT switch > > Reviewed-by: Daniel Kurtz > Signed-off-by: Caesar Wang > --- > > drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c > index a5d889a..eb4e0db 100644 > --- a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c > +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c > @@ -119,6 +119,9 @@ static int rockchip_drm_fbdev_create(struct drm_fb_helper *helper, > DRM_DEBUG_KMS("FB [%dx%d]-%d kvaddr=%p offset=%ld size=%d\n", > fb->width, fb->height, fb->depth, rk_obj->kvaddr, > offset, size); > + > + fbi->skip_vt_switch = true; > + > return 0; > > err_drm_framebuffer_unref: -- ************************************************************************************** 王晓腾 Caesar Wang Product R&D Dept.III Fuzhou Rockchip Electronics Co.Ltd Addr： NO.18 Building, A District, Fuzhou Software Park,Gulou District,Fuzhou, Fujian,China(Fuzhou Headquarters) 21F,Malata Building,Kejizhongyi Avenue,Nanshan District,Shenzhen (Shenzhen Office) Tel：+86-591-83991906/07 - 8221 Mobile:+86 15059456742 E-mail : wxt@rock-chips.com *************************************************************************************** *************************************************************************************** IMPORTANT NOTICE: This email is from Fuzhou Rockchip Electronics Co., Ltd .The contents of this email and any attachments may contain information that is privileged, confidential and/or exempt from disclosure under applicable law and relevant NDA. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution, or use of the information is STRICTLY PROHIBITED. Please immediately contact the sender as soon as possible and destroy the material in its entirety in any format. Thank you. ***************************************************************************************