From patchwork Thu Jun 22 09:21:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 13288826 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 53B36EB64DB for ; Thu, 22 Jun 2023 09:23:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5F14C10E520; Thu, 22 Jun 2023 09:22:51 +0000 (UTC) Received: from xavier.telenet-ops.be (xavier.telenet-ops.be [IPv6:2a02:1800:120:4::f00:14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6A0CC10E517 for ; Thu, 22 Jun 2023 09:22:46 +0000 (UTC) Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed20:991a:a831:ea4b:6058]) by xavier.telenet-ops.be with bizsmtp id C9Nj2A0091yfRTD019NjEL; Thu, 22 Jun 2023 11:22:43 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtp (Exim 4.95) (envelope-from ) id 1qCGWX-000BwK-Ob; Thu, 22 Jun 2023 11:22:43 +0200 Received: from geert by rox.of.borg with local (Exim 4.95) (envelope-from ) id 1qCGWZ-003Vwt-Bd; Thu, 22 Jun 2023 11:22:43 +0200 From: Geert Uytterhoeven To: Laurent Pinchart , Kieran Bingham , David Airlie , Daniel Vetter , Thomas Zimmermann , Magnus Damm Subject: [PATCH 17/39] drm: renesas: shmobile: Use drmm_universal_plane_alloc() Date: Thu, 22 Jun 2023 11:21:29 +0200 Message-Id: <9af0b0e18c6f3ce3348cc728f177bf466e30e66a.1687423204.git.geert+renesas@glider.be> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 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: linux-renesas-soc@vger.kernel.org, Geert Uytterhoeven , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" According to the comments for drm_universal_plane_init(), the plane structure should not be allocated with devm_kzalloc(). Fix lifetime issues by using drmm_universal_plane_alloc() instead. Signed-off-by: Geert Uytterhoeven --- Plane (and connector) structures are still allocated with devm_kzalloc() in several other drivers... --- .../drm/renesas/shmobile/shmob_drm_plane.c | 24 ++++++------------- 1 file changed, 7 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c index 0b2ab153e9ae76df..1fb68b5fe915b8dc 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c @@ -176,16 +176,9 @@ static int shmob_drm_plane_disable(struct drm_plane *plane, return 0; } -static void shmob_drm_plane_destroy(struct drm_plane *plane) -{ - drm_plane_force_disable(plane); - drm_plane_cleanup(plane); -} - static const struct drm_plane_funcs shmob_drm_plane_funcs = { .update_plane = shmob_drm_plane_update, .disable_plane = shmob_drm_plane_disable, - .destroy = shmob_drm_plane_destroy, }; static const uint32_t formats[] = { @@ -204,19 +197,16 @@ static const uint32_t formats[] = { int shmob_drm_plane_create(struct shmob_drm_device *sdev, unsigned int index) { struct shmob_drm_plane *splane; - int ret; - splane = devm_kzalloc(sdev->dev, sizeof(*splane), GFP_KERNEL); - if (splane == NULL) - return -ENOMEM; + splane = drmm_universal_plane_alloc(sdev->ddev, struct shmob_drm_plane, + plane, 1, &shmob_drm_plane_funcs, + formats, ARRAY_SIZE(formats), NULL, + DRM_PLANE_TYPE_OVERLAY, NULL); + if (IS_ERR(splane)) + return PTR_ERR(splane); splane->index = index; splane->alpha = 255; - ret = drm_universal_plane_init(sdev->ddev, &splane->plane, 1, - &shmob_drm_plane_funcs, - formats, ARRAY_SIZE(formats), NULL, - DRM_PLANE_TYPE_OVERLAY, NULL); - - return ret; + return 0; }