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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 32109C43142 for ; Tue, 31 Jul 2018 10:34:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CD6CE208A6 for ; Tue, 31 Jul 2018 10:34:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CD6CE208A6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732017AbeGaMOY (ORCPT ); Tue, 31 Jul 2018 08:14:24 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:52048 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731981AbeGaMOX (ORCPT ); Tue, 31 Jul 2018 08:14:23 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 00B427A9; Tue, 31 Jul 2018 03:34:43 -0700 (PDT) Received: from e110455-lin.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id A1DC53F5D0; Tue, 31 Jul 2018 03:34:42 -0700 (PDT) Received: by e110455-lin.cambridge.arm.com (Postfix, from userid 1000) id 084606800FF; Tue, 31 Jul 2018 11:34:41 +0100 (BST) Date: Tue, 31 Jul 2018 11:34:40 +0100 From: Liviu Dudau To: Souptick Joarder Cc: brian.starkey@arm.com, malidp@foss.arm.com, airlied@linux.ie, gustavo@padovan.org, maarten.lankhorst@linux.intel.com, seanpaul@chromium.org, laurent.pinchart@ideasonboard.com, ajitn.linux@gmail.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: Re: [PATCH] drm: Convert drm_atomic_helper_suspend/resume() Message-ID: <20180731103440.GD17455@e110455-lin.cambridge.arm.com> References: <20180730190137.GA25420@jordon-HP-15-Notebook-PC> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20180730190137.GA25420@jordon-HP-15-Notebook-PC> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Souptick, On Tue, Jul 31, 2018 at 12:31:37AM +0530, Souptick Joarder wrote: > convert drm_atomic_helper_suspend/resume() to use > drm_mode_config_helper_suspend/resume(). > > With this conversion, drm_fbdev_cma_set_suspend_unlocked() > will left with no consumer. So this function can be removed. > > Signed-off-by: Souptick Joarder > Signed-off-by: Ajit Negi > --- > drivers/gpu/drm/arm/hdlcd_drv.c | 26 ++------------------------ > drivers/gpu/drm/drm_fb_cma_helper.c | 18 ------------------ > drivers/gpu/drm/rcar-du/rcar_du_drv.c | 21 ++------------------- > include/drm/drm_fb_cma_helper.h | 2 -- > 4 files changed, 4 insertions(+), 63 deletions(-) > > diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c > index feaa8bc..4e617e0 100644 > --- a/drivers/gpu/drm/arm/hdlcd_drv.c > +++ b/drivers/gpu/drm/arm/hdlcd_drv.c > @@ -427,37 +427,15 @@ static int hdlcd_remove(struct platform_device *pdev) > static int __maybe_unused hdlcd_pm_suspend(struct device *dev) > { > struct drm_device *drm = dev_get_drvdata(dev); > - struct hdlcd_drm_private *hdlcd = drm ? drm->dev_private : NULL; > > - if (!hdlcd) > - return 0; > - > - drm_kms_helper_poll_disable(drm); > - drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 1); > - > - hdlcd->state = drm_atomic_helper_suspend(drm); > - if (IS_ERR(hdlcd->state)) { > - drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 0); > - drm_kms_helper_poll_enable(drm); > - return PTR_ERR(hdlcd->state); > - } > - > - return 0; > + return drm_mode_config_helper_suspend(drm); > } > > static int __maybe_unused hdlcd_pm_resume(struct device *dev) > { > struct drm_device *drm = dev_get_drvdata(dev); > - struct hdlcd_drm_private *hdlcd = drm ? drm->dev_private : NULL; > - > - if (!hdlcd) > - return 0; > > - drm_atomic_helper_resume(drm, hdlcd->state); > - drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 0); > - drm_kms_helper_poll_enable(drm); > - > - return 0; > + return drm_mode_config_helper_resume(drm); > } This patch is similar to the one Noralf Trønnes submitted, and his is also cleaning up the state variable in hdlcd_drm_private. The patch has been queued as commit f69d9686e5d9 in git://linux-arm.org/linux-ld.git for-upstream/hdlcd and I will send a pull request today for it. Best regards, Liviu > > static SIMPLE_DEV_PM_OPS(hdlcd_pm_ops, hdlcd_pm_suspend, hdlcd_pm_resume); > diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c > index 186d00a..f604a84 100644 > --- a/drivers/gpu/drm/drm_fb_cma_helper.c > +++ b/drivers/gpu/drm/drm_fb_cma_helper.c > @@ -529,21 +529,3 @@ void drm_fbdev_cma_set_suspend(struct drm_fbdev_cma *fbdev_cma, bool state) > drm_fb_helper_set_suspend(&fbdev_cma->fb_helper, state); > } > EXPORT_SYMBOL(drm_fbdev_cma_set_suspend); > - > -/** > - * drm_fbdev_cma_set_suspend_unlocked - wrapper around > - * drm_fb_helper_set_suspend_unlocked > - * @fbdev_cma: The drm_fbdev_cma struct, may be NULL > - * @state: desired state, zero to resume, non-zero to suspend > - * > - * Calls drm_fb_helper_set_suspend, which is a wrapper around > - * fb_set_suspend implemented by fbdev core. > - */ > -void drm_fbdev_cma_set_suspend_unlocked(struct drm_fbdev_cma *fbdev_cma, > - bool state) > -{ > - if (fbdev_cma) > - drm_fb_helper_set_suspend_unlocked(&fbdev_cma->fb_helper, > - state); > -} > -EXPORT_SYMBOL(drm_fbdev_cma_set_suspend_unlocked); > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c > index 02aee6c..288220f 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c > @@ -357,32 +357,15 @@ static void rcar_du_lastclose(struct drm_device *dev) > static int rcar_du_pm_suspend(struct device *dev) > { > struct rcar_du_device *rcdu = dev_get_drvdata(dev); > - struct drm_atomic_state *state; > > - drm_kms_helper_poll_disable(rcdu->ddev); > - drm_fbdev_cma_set_suspend_unlocked(rcdu->fbdev, true); > - > - state = drm_atomic_helper_suspend(rcdu->ddev); > - if (IS_ERR(state)) { > - drm_fbdev_cma_set_suspend_unlocked(rcdu->fbdev, false); > - drm_kms_helper_poll_enable(rcdu->ddev); > - return PTR_ERR(state); > - } > - > - rcdu->suspend_state = state; > - > - return 0; > + return drm_mode_config_helper_suspend(rcdu->ddev); > } > > static int rcar_du_pm_resume(struct device *dev) > { > struct rcar_du_device *rcdu = dev_get_drvdata(dev); > > - drm_atomic_helper_resume(rcdu->ddev, rcdu->suspend_state); > - drm_fbdev_cma_set_suspend_unlocked(rcdu->fbdev, false); > - drm_kms_helper_poll_enable(rcdu->ddev); > - > - return 0; > + return drm_mode_config_helper_resume(rcdu->ddev); > } > #endif > > diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_cma_helper.h > index d532f88a..15c4569 100644 > --- a/include/drm/drm_fb_cma_helper.h > +++ b/include/drm/drm_fb_cma_helper.h > @@ -33,8 +33,6 @@ struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev, > void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma); > void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma); > void drm_fbdev_cma_set_suspend(struct drm_fbdev_cma *fbdev_cma, bool state); > -void drm_fbdev_cma_set_suspend_unlocked(struct drm_fbdev_cma *fbdev_cma, > - bool state); > > struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb, > unsigned int plane); > -- > 1.9.1 > -- ==================== | I would like to | | fix the world, | | but they're not | | giving me the | \ source code! / --------------- ¯\_(ツ)_/¯ From mboxrd@z Thu Jan 1 00:00:00 1970 From: Liviu Dudau Subject: Re: [PATCH] drm: Convert drm_atomic_helper_suspend/resume() Date: Tue, 31 Jul 2018 11:34:40 +0100 Message-ID: <20180731103440.GD17455@e110455-lin.cambridge.arm.com> References: <20180730190137.GA25420@jordon-HP-15-Notebook-PC> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from foss.arm.com (foss.arm.com [217.140.101.70]) by gabe.freedesktop.org (Postfix) with ESMTP id 297356E33C for ; Tue, 31 Jul 2018 10:34:43 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20180730190137.GA25420@jordon-HP-15-Notebook-PC> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Souptick Joarder Cc: ajitn.linux@gmail.com, airlied@linux.ie, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, malidp@foss.arm.com, laurent.pinchart@ideasonboard.com List-Id: dri-devel@lists.freedesktop.org SGkgU291cHRpY2ssCgpPbiBUdWUsIEp1bCAzMSwgMjAxOCBhdCAxMjozMTozN0FNICswNTMwLCBT b3VwdGljayBKb2FyZGVyIHdyb3RlOgo+IGNvbnZlcnQgZHJtX2F0b21pY19oZWxwZXJfc3VzcGVu ZC9yZXN1bWUoKSB0byB1c2UKPiBkcm1fbW9kZV9jb25maWdfaGVscGVyX3N1c3BlbmQvcmVzdW1l KCkuCj4gCj4gV2l0aCB0aGlzIGNvbnZlcnNpb24sIGRybV9mYmRldl9jbWFfc2V0X3N1c3BlbmRf dW5sb2NrZWQoKQo+IHdpbGwgbGVmdCB3aXRoIG5vIGNvbnN1bWVyLiBTbyB0aGlzIGZ1bmN0aW9u IGNhbiBiZSByZW1vdmVkLgo+IAo+IFNpZ25lZC1vZmYtYnk6IFNvdXB0aWNrIEpvYXJkZXIgPGpy ZHIubGludXhAZ21haWwuY29tPgo+IFNpZ25lZC1vZmYtYnk6IEFqaXQgTmVnaSA8YWppdG4ubGlu dXhAZ21haWwuY29tPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vYXJtL2hkbGNkX2Rydi5jICAg 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