From patchwork Thu Feb 26 14:55:30 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jyri Sarha X-Patchwork-Id: 5897271 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 58A5D9F269 for ; Fri, 27 Feb 2015 01:14:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 98F412020E for ; Fri, 27 Feb 2015 01:14:40 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 3581A2021A for ; Fri, 27 Feb 2015 01:14:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 19CCD6E17A; Thu, 26 Feb 2015 17:14:34 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from comal.ext.ti.com (comal.ext.ti.com [198.47.26.152]) by gabe.freedesktop.org (Postfix) with ESMTP id 3F5276E7D3 for ; Thu, 26 Feb 2015 07:05:02 -0800 (PST) Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id t1QEtrUq008608; Thu, 26 Feb 2015 08:55:53 -0600 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id t1QEtqFp030124; Thu, 26 Feb 2015 08:55:52 -0600 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.224.2; Thu, 26 Feb 2015 08:55:52 -0600 Received: from imryr.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id t1QEtkgT022566; Thu, 26 Feb 2015 08:55:49 -0600 From: Jyri Sarha To: , , , , , Subject: [PATCH RFC 1/6] drm/tilcdc: Fix module unloading Date: Thu, 26 Feb 2015 16:55:30 +0200 Message-ID: <9ef213208e27b6f45b74a77b1c7902fa3910bf46.1424961754.git.jsarha@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 26 Feb 2015 17:13:46 -0800 Cc: detheridge@ti.com, tomi.valkeinen@ti.com, linux@arm.linux.org.uk, Jyri Sarha X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Force crtc dpms off before destroying the crtc instead of just checking the dpms state. This fixes warning message and frozen picture after tilcdc module unloading. Signed-off-by: Jyri Sarha --- drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c index c735884..c2d5980 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c @@ -135,11 +135,12 @@ static void stop(struct drm_crtc *crtc) tilcdc_clear(dev, LCDC_RASTER_CTRL_REG, LCDC_RASTER_ENABLE); } +static void tilcdc_crtc_dpms(struct drm_crtc *crtc, int mode); static void tilcdc_crtc_destroy(struct drm_crtc *crtc) { struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc); - WARN_ON(tilcdc_crtc->dpms == DRM_MODE_DPMS_ON); + tilcdc_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); drm_crtc_cleanup(crtc); drm_flip_work_cleanup(&tilcdc_crtc->unref_work);