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=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 1CB6BC10F00 for ; Sat, 7 Mar 2020 08:39:09 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id F0CBA20675 for ; Sat, 7 Mar 2020 08:39:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F0CBA20675 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ravnborg.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4E5B36E0A5; Sat, 7 Mar 2020 08:39:06 +0000 (UTC) Received: from asavdk4.altibox.net (asavdk4.altibox.net [109.247.116.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id BCBA76E0A5; Sat, 7 Mar 2020 08:39:04 +0000 (UTC) Received: from ravnborg.org (unknown [158.248.194.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by asavdk4.altibox.net (Postfix) with ESMTPS id 930BF80535; Sat, 7 Mar 2020 09:39:00 +0100 (CET) Date: Sat, 7 Mar 2020 09:38:59 +0100 From: Sam Ravnborg To: Daniel Vetter Subject: Re: [PATCH 37/51] drm/rockchip: Drop explicit drm_mode_config_cleanup call Message-ID: <20200307083859.GF28810@ravnborg.org> References: <20200302222631.3861340-1-daniel.vetter@ffwll.ch> <20200302222631.3861340-38-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200302222631.3861340-38-daniel.vetter@ffwll.ch> User-Agent: Mutt/1.10.1 (2018-07-13) X-CMAE-Score: 0 X-CMAE-Analysis: v=2.3 cv=XpTUx2N9 c=1 sm=1 tr=0 a=UWs3HLbX/2nnQ3s7vZ42gw==:117 a=UWs3HLbX/2nnQ3s7vZ42gw==:17 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=8nJEP1OIZ-IA:10 a=7gkXJVJtAAAA:8 a=pGLkceISAAAA:8 a=P1BnusSwAAAA:8 a=QyXUC8HyAAAA:8 a=s8YR1HE3AAAA:8 a=JfrnYn6hAAAA:8 a=e5mUnYsNAAAA:8 a=fTf22ox30svBRv1lsmkA:9 a=wPNLvfGTeEIA:10 a=E9Po1WZjFZOl8hwRPBS3:22 a=D0XLA9XvdZm18NrgonBM:22 a=jGH_LyMDp9YhSvY-UuyI:22 a=1CNFftbPRP8L7MoqJWF3:22 a=Vxmtnl_E_bksehYqCbjh:22 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: Francesco Lavra , Intel Graphics Development , Sandy Huang , DRI Development , linux-rockchip@lists.infradead.org, Laurent Pinchart , Thomas Zimmermann , Daniel Vetter , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Mon, Mar 02, 2020 at 11:26:17PM +0100, Daniel Vetter wrote: > It's (almost, there's some iommu stuff without significance) right > above the drm_dev_put(). > = > This is made possible by a preceeding patch which added a drmm_ > cleanup action to drm_mode_config_init(), hence all we need to do to > ensure that drm_mode_config_cleanup() is run on final drm_device > cleanup is check the new error code for _init(). > = > Aside: Another driver with a bit much devm_kzalloc, which should > probably use drmm_kzalloc instead ... > = > v2: Explain why this cleanup is possible (Laurent). > = > v3: Jump out at the right label (Francesco) > = > v4: Try again, kbuild caught that I didn't build test this properly > ... > = > v5: Use drmm_mode_config_init() for more clarity (Sam, Thomas) > = > Cc: Sam Ravnborg > Cc: Thomas Zimmermann > Cc: Francesco Lavra > Cc: Laurent Pinchart > Signed-off-by: Daniel Vetter > Cc: Sandy Huang > Cc: "Heiko St=FCbner" > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-rockchip@lists.infradead.org Acked-by: Sam Ravnborg > --- > drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 14 +++++--------- > 1 file changed, 5 insertions(+), 9 deletions(-) > = > diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/dr= m/rockchip/rockchip_drm_drv.c > index 20ecb1508a22..0f3eb392fe39 100644 > --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c > +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c > @@ -135,14 +135,16 @@ static int rockchip_drm_bind(struct device *dev) > if (ret) > goto err_free; > = > - drm_mode_config_init(drm_dev); > + ret =3D drmm_mode_config_init(drm_dev); > + if (ret) > + goto err_iommu_cleanup; > = > rockchip_drm_mode_config_init(drm_dev); > = > /* Try to bind all sub drivers. */ > ret =3D component_bind_all(dev, drm_dev); > if (ret) > - goto err_mode_config_cleanup; > + goto err_iommu_cleanup; > = > ret =3D drm_vblank_init(drm_dev, drm_dev->mode_config.num_crtc); > if (ret) > @@ -173,12 +175,9 @@ static int rockchip_drm_bind(struct device *dev) > rockchip_drm_fbdev_fini(drm_dev); > err_unbind_all: > component_unbind_all(dev, drm_dev); > -err_mode_config_cleanup: > - drm_mode_config_cleanup(drm_dev); > +err_iommu_cleanup: > rockchip_iommu_cleanup(drm_dev); > err_free: > - drm_dev->dev_private =3D NULL; > - dev_set_drvdata(dev, NULL); > drm_dev_put(drm_dev); > return ret; > } > @@ -194,11 +193,8 @@ static void rockchip_drm_unbind(struct device *dev) > = > drm_atomic_helper_shutdown(drm_dev); > component_unbind_all(dev, drm_dev); > - drm_mode_config_cleanup(drm_dev); > rockchip_iommu_cleanup(drm_dev); > = > - drm_dev->dev_private =3D NULL; > - dev_set_drvdata(dev, NULL); > drm_dev_put(drm_dev); > } > = > -- = > 2.24.1 > = > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel