From patchwork Thu Jun 4 09:02:55 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 6545541 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 BC5529F326 for ; Thu, 4 Jun 2015 11:06:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D20C820713 for ; Thu, 4 Jun 2015 11:06:40 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id E2379206D6 for ; Thu, 4 Jun 2015 11:06:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 875656E198; Thu, 4 Jun 2015 04:06:35 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org X-Greylist: delayed 490 seconds by postgrey-1.34 at gabe; Thu, 04 Jun 2015 02:11:52 PDT Received: from comal.ext.ti.com (comal.ext.ti.com [198.47.26.152]) by gabe.freedesktop.org (Postfix) with ESMTP id 40BF56EA73 for ; Thu, 4 Jun 2015 02:11:52 -0700 (PDT) Received: from dflxv15.itg.ti.com ([128.247.5.124]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id t5494S8F010404; Thu, 4 Jun 2015 04:04:28 -0500 Received: from DLEE70.ent.ti.com (dlemailx.itg.ti.com [157.170.170.113]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id t5494SEg030248; Thu, 4 Jun 2015 04:04:28 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.224.2; Thu, 4 Jun 2015 04:04:28 -0500 Received: from deskari.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 t5493Ywe014785; Thu, 4 Jun 2015 04:04:27 -0500 From: Tomi Valkeinen To: , Laurent Pinchart Subject: [PATCHv2 38/45] drm: omapdrm: omap_plane_setup() cannot fail, use WARN Date: Thu, 4 Jun 2015 12:02:55 +0300 Message-ID: <1433408582-9828-39-git-send-email-tomi.valkeinen@ti.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1433408582-9828-1-git-send-email-tomi.valkeinen@ti.com> References: <1433408582-9828-1-git-send-email-tomi.valkeinen@ti.com> MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 04 Jun 2015 04:06:34 -0700 Cc: Tomi Valkeinen 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 With atomic modesetting, omap_plane_setup()'s return value is ignored as the functions using it cannot fail. dispc_ovl_setup(), called by omap_plane_setup(), can fail (but shouldn't). Instead of returning an error from omap_plane_setup() which gets ignored, return void and use WARN if dispc_ovl_setup() fails. Signed-off-by: Tomi Valkeinen Acked-by: Laurent Pinchart --- drivers/gpu/drm/omapdrm/omap_plane.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c index 448707669690..a8e617f9f2af 100644 --- a/drivers/gpu/drm/omapdrm/omap_plane.c +++ b/drivers/gpu/drm/omapdrm/omap_plane.c @@ -58,12 +58,11 @@ to_omap_plane_state(struct drm_plane_state *state) return container_of(state, struct omap_plane_state, base); } -static int omap_plane_setup(struct drm_plane *plane) +static void omap_plane_setup(struct drm_plane *plane) { struct omap_plane *omap_plane = to_omap_plane(plane); struct drm_plane_state *state = plane->state; struct omap_plane_state *omap_state = to_omap_plane_state(state); - struct drm_device *dev = plane->dev; struct omap_overlay_info info; struct omap_drm_window win; int ret; @@ -72,7 +71,7 @@ static int omap_plane_setup(struct drm_plane *plane) if (!state->crtc) { dispc_ovl_enable(omap_plane->id, false); - return 0; + return; } memset(&info, 0, sizeof(info)); @@ -123,14 +122,10 @@ static int omap_plane_setup(struct drm_plane *plane) /* and finally, update omapdss: */ ret = dispc_ovl_setup(omap_plane->id, &info, false, omap_crtc_timings(state->crtc), false); - if (ret) { - dev_err(dev->dev, "dispc_ovl_setup failed: %d\n", ret); - return ret; - } + if (WARN_ON(ret)) + return; dispc_ovl_enable(omap_plane->id, true); - - return 0; } static int omap_plane_prepare_fb(struct drm_plane *plane,