From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D954ECA9EC0 for ; Mon, 28 Oct 2019 21:43:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A4FE121835 for ; Mon, 28 Oct 2019 21:43:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=megous.com header.i=@megous.com header.b="KbPLKdZF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731757AbfJ1VnS (ORCPT ); Mon, 28 Oct 2019 17:43:18 -0400 Received: from vps.xff.cz ([195.181.215.36]:49932 "EHLO vps.xff.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730592AbfJ1VnS (ORCPT ); Mon, 28 Oct 2019 17:43:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megous.com; s=mail; t=1572298996; bh=fyyQI3ItgxBYKXPEf2uaXYMvRSi0utH9LPQLNQj2NLA=; h=From:To:Cc:Subject:Date:From; b=KbPLKdZFai12AyFY45X80z5E+QhMa46RXM0QVHLZUZlaNqwF63nvs1lAM2jvRpNcn QVxdtaUXAgGe2Q1k6XKnqdq2KMbsbwd+oyh3MfMCrTl5ykVgM8svGUdAeX8LFecO37 8Vuq2LIvNlMXEGP8iQMDW16fZgDZ1tMyBIfPHZyw= From: Ondrej Jirman To: linux-sunxi@googlegroups.com Cc: Ondrej Jirman , Maxime Ripard , David Airlie , Daniel Vetter , Chen-Yu Tsai , dri-devel@lists.freedesktop.org (open list:DRM DRIVERS FOR ALLWINNER A10), linux-arm-kernel@lists.infradead.org (moderated list:ARM/Allwinner sunXi SoC support), linux-kernel@vger.kernel.org (open list) Subject: [PATCH] drm: sun4i: Add support for suspending the display driver Date: Mon, 28 Oct 2019 22:43:13 +0100 Message-Id: <20191028214313.3463732-1-megous@megous.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Shut down the display engine during suspend. Signed-off-by: Ondrej Jirman --- drivers/gpu/drm/sun4i/sun4i_drv.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c index a5757b11b730..c519d7cfcf43 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -346,6 +346,27 @@ static int sun4i_drv_add_endpoints(struct device *dev, return count; } +#ifdef CONFIG_PM_SLEEP +static int sun4i_drv_drm_sys_suspend(struct device *dev) +{ + struct drm_device *drm = dev_get_drvdata(dev); + + return drm_mode_config_helper_suspend(drm); +} + +static int sun4i_drv_drm_sys_resume(struct device *dev) +{ + struct drm_device *drm = dev_get_drvdata(dev); + + return drm_mode_config_helper_resume(drm); +} +#endif + +static const struct dev_pm_ops sun4i_drv_drm_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(sun4i_drv_drm_sys_suspend, + sun4i_drv_drm_sys_resume) +}; + static int sun4i_drv_probe(struct platform_device *pdev) { struct component_match *match = NULL; @@ -418,6 +439,7 @@ static struct platform_driver sun4i_drv_platform_driver = { .driver = { .name = "sun4i-drm", .of_match_table = sun4i_drv_of_table, + .pm = &sun4i_drv_drm_pm_ops, }, }; module_platform_driver(sun4i_drv_platform_driver); -- 2.23.0