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 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6B920C4167B for ; Mon, 27 Nov 2023 14:04:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D543B10E2A8; Mon, 27 Nov 2023 14:04:15 +0000 (UTC) Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [IPv6:2a0a:edc0:2:b01:1d::104]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8921310E2A8 for ; Mon, 27 Nov 2023 14:04:14 +0000 (UTC) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1r7cDc-0006Xd-V7; Mon, 27 Nov 2023 15:04:12 +0100 Received: from [2a0a:edc0:2:b01:1d::c0] (helo=ptx.whiteo.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1r7cDc-00BxOJ-Gd; Mon, 27 Nov 2023 15:04:12 +0100 Received: from sha by ptx.whiteo.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1r7cDc-0046wB-Dz; Mon, 27 Nov 2023 15:04:12 +0100 Date: Mon, 27 Nov 2023 15:04:12 +0100 From: Sascha Hauer To: Andy Yan Subject: Re: [PATCH v2 02/12] Revert "drm/rockchip: vop2: Use regcache_sync() to fix suspend/resume" Message-ID: <20231127140412.GC977968@pengutronix.de> References: <20231122125316.3454268-1-andyshrk@163.com> <20231122125400.3454430-1-andyshrk@163.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231122125400.3454430-1-andyshrk@163.com> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-Accept-Language: de,en X-Accept-Content-Type: text/plain User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, chris.obbard@collabora.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, hjc@rock-chips.com, kever.yang@rock-chips.com, linux-rockchip@lists.infradead.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, Andy Yan , sebastian.reichel@collabora.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Wed, Nov 22, 2023 at 08:54:00PM +0800, Andy Yan wrote: > From: Andy Yan > > This reverts commit b63a553e8f5aa6574eeb535a551817a93c426d8c. > > regcache_sync will try to reload the configuration in regcache to > hardware, but the registers of 4 Cluster windows and Esmart1/2/3 on > the upcoming rk3588 can not be set successfully before internal PD > power on. > > Also it's better to keep the hardware register as it is before we really > enable it. > > So let's revert this version, and keep the first version: > commit afa965a45e01 ("drm/rockchip: vop2: fix suspend/resume") > > Signed-off-by: Andy Yan Reviewed-by: Sascha Hauer Sascha > --- > > (no changes since v1) > > drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 10 +++++++--- > 1 file changed, 7 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c > index 312da5783362..57784d0a22a6 100644 > --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c > +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c > @@ -217,6 +217,8 @@ struct vop2 { > struct vop2_win win[]; > }; > > +static const struct regmap_config vop2_regmap_config; > + > static struct vop2_video_port *to_vop2_video_port(struct drm_crtc *crtc) > { > return container_of(crtc, struct vop2_video_port, crtc); > @@ -883,7 +885,11 @@ static void vop2_enable(struct vop2 *vop2) > return; > } > > - regcache_sync(vop2->map); > + ret = regmap_reinit_cache(vop2->map, &vop2_regmap_config); > + if (ret) { > + drm_err(vop2->drm, "failed to reinit cache: %d\n", ret); > + return; > + } > > if (vop2->data->soc_id == 3566) > vop2_writel(vop2, RK3568_OTP_WIN_EN, 1); > @@ -913,8 +919,6 @@ static void vop2_disable(struct vop2 *vop2) > > pm_runtime_put_sync(vop2->dev); > > - regcache_mark_dirty(vop2->map); > - > clk_disable_unprepare(vop2->aclk); > clk_disable_unprepare(vop2->hclk); > } > -- > 2.34.1 > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |