From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751915AbdJYMqe (ORCPT ); Wed, 25 Oct 2017 08:46:34 -0400 Received: from mx2.suse.de ([195.135.220.15]:36129 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751737AbdJYMqa (ORCPT ); Wed, 25 Oct 2017 08:46:30 -0400 From: Max Staudt To: b.zolnierkie@samsung.com, linux-fbdev@vger.kernel.org Cc: mstaudt@suse.de, tiwai@suse.com, oneukum@suse.com, msrb@suse.com, sndirsch@suse.com, michal@markovi.net, linux-kernel@vger.kernel.org Subject: [RFC 04/14] bootsplash: Redraw on suspend/hibernate Date: Wed, 25 Oct 2017 14:45:52 +0200 Message-Id: <20171025124602.28292-5-mstaudt@suse.de> X-Mailer: git-send-email 2.12.3 In-Reply-To: <20171025124602.28292-1-mstaudt@suse.de> References: <20171025124602.28292-1-mstaudt@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When the system is woken from sleep or restored after hibernating, we cannot expect the screen contents to still be present in VRAM. Thus, we have to redraw the splash if we're currently active. Signed-off-by: Max Staudt Reviewed-by: Oliver Neukum --- drivers/video/fbdev/core/bootsplash.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/video/fbdev/core/bootsplash.c b/drivers/video/fbdev/core/bootsplash.c index 8f1c1c165401..e98c05dd8bc0 100644 --- a/drivers/video/fbdev/core/bootsplash.c +++ b/drivers/video/fbdev/core/bootsplash.c @@ -242,9 +242,31 @@ static struct attribute *splash_dev_attrs[] = { ATTRIBUTE_GROUPS(splash_dev); + + +/* + * Power management fixup via platform device + */ + +static int splash_resume(struct device *device) +{ + if (bootsplash_would_render_now()) + queue_work(splash_global.wq, &splash_work_redraw_vc); + + return 0; +} + + +static const struct dev_pm_ops splash_pm_ops = { + .thaw = splash_resume, + .restore = splash_resume, + .resume = splash_resume, +}; + static struct platform_driver splash_driver = { .driver = { .name = "bootsplash", + .pm = &splash_pm_ops, }, }; -- 2.12.3