From patchwork Tue Mar 8 16:39:55 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 8540041 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id A3A39C0553 for ; Wed, 9 Mar 2016 00:50:28 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CD960201D3 for ; Wed, 9 Mar 2016 00:50:27 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 1163720211 for ; Wed, 9 Mar 2016 00:50:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D11316E7CB; Wed, 9 Mar 2016 00:50:04 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from ring0.de (ring0.de [5.45.101.7]) by gabe.freedesktop.org (Postfix) with ESMTP id E2A886E737 for ; Tue, 8 Mar 2016 16:50:03 +0000 (UTC) Received: by ring0.de (Postfix, from userid 110) id 95B5FA4A86D; Tue, 8 Mar 2016 17:41:17 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from sre.ring0.de (host-091-097-051-039.ewe-ip-backbone.de [91.97.51.39]) by ring0.de (Postfix) with ESMTPSA id 92E06A4A830; Tue, 8 Mar 2016 17:40:28 +0100 (CET) From: Sebastian Reichel To: Sebastian Reichel , Tony Lindgren , Aaro Koskinen , Tomi Valkeinen Subject: [PATCH 23/23] drm: omapdrm: panel-dsi-cm: provide timings methods for omapdrm Date: Tue, 8 Mar 2016 17:39:55 +0100 Message-Id: <1457455195-1938-24-git-send-email-sre@kernel.org> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1457455195-1938-1-git-send-email-sre@kernel.org> References: <1457455195-1938-1-git-send-email-sre@kernel.org> X-Mailman-Approved-At: Wed, 09 Mar 2016 00:49:40 +0000 Cc: linux-omap@vger.kernel.org, Laurent Pinchart , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org 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: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Provide omapdrm with methods to acquire timings and check them later, so that it can properly initialize the display. Signed-off-by: Sebastian Reichel --- drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c | 38 +++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c index 196fe8d18ff4..edd1298b3a71 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c @@ -1163,6 +1163,41 @@ static void dsicm_ulps_work(struct work_struct *work) mutex_unlock(&ddata->lock); } +static void dsicm_get_timings(struct omap_dss_device *dssdev, + struct omap_video_timings *timings) +{ + struct panel_drv_data *ddata = to_panel_data(dssdev); + + *timings = ddata->timings; +} + +static int dsicm_check_timings(struct omap_dss_device *dssdev, + struct omap_video_timings *timings) +{ + struct panel_drv_data *ddata = to_panel_data(dssdev); + int ret = 0; + + if (timings->x_res != ddata->timings.x_res) + ret = -EINVAL; + else if (timings->y_res != ddata->timings.y_res) + ret = -EINVAL; + + /* pixelclock is modified by dsi, so not easily checkable */ + + /* vfp, vbp, hfp, hbp are (re-)configured automatically by dsi */ + + if (ret) { + dev_warn(dssdev->dev, "wrong resolution: %d x %d", + timings->x_res, timings->y_res); + dev_warn(dssdev->dev, "panel resolution: %d x %d", + ddata->timings.x_res, ddata->timings.y_res); + } else { + dev_dbg(dssdev->dev, "mode check: ok"); + } + + return ret; +} + static struct omap_dss_driver dsicm_ops = { .connect = dsicm_connect, .disconnect = dsicm_disconnect, @@ -1180,6 +1215,9 @@ static struct omap_dss_driver dsicm_ops = { .get_te = dsicm_get_te, .memory_read = dsicm_memory_read, + + .get_timings = dsicm_get_timings, + .check_timings = dsicm_check_timings, }; static int dsicm_probe_pdata(struct platform_device *pdev)