From patchwork Mon Feb 24 23:20:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 11402019 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9A210159A for ; Mon, 24 Feb 2020 23:21:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8289724672 for ; Mon, 24 Feb 2020 23:21:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728470AbgBXXVl (ORCPT ); Mon, 24 Feb 2020 18:21:41 -0500 Received: from bhuna.collabora.co.uk ([46.235.227.227]:59826 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728512AbgBXXVk (ORCPT ); Mon, 24 Feb 2020 18:21:40 -0500 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: sre) with ESMTPSA id A8BB0293A90 Received: by earth.universe (Postfix, from userid 1000) id 19D623C0C99; Tue, 25 Feb 2020 00:21:31 +0100 (CET) From: Sebastian Reichel To: Sebastian Reichel , Laurent Pinchart , Tomi Valkeinen Cc: Tony Lindgren , Merlijn Wajer , "H. Nikolaus Schaller" , Rob Herring , linux-omap@vger.kernel.org, dri-devel@lists.freedesktop.org, kernel@collabora.com, Sebastian Reichel Subject: [PATCHv2 22/56] drm/omap: dsi: drop useless sync() Date: Tue, 25 Feb 2020 00:20:52 +0100 Message-Id: <20200224232126.3385250-23-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200224232126.3385250-1-sebastian.reichel@collabora.com> References: <20200224232126.3385250-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org The DSI sync() function only locks the bus and then releases it again. Currently the only invocation is directly before update(), which locks the bus anyways. Signed-off-by: Sebastian Reichel --- .../gpu/drm/omapdrm/displays/panel-dsi-cm.c | 18 ------------------ drivers/gpu/drm/omapdrm/dss/omapdss.h | 1 - drivers/gpu/drm/omapdrm/omap_crtc.c | 3 --- 3 files changed, 22 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c index 64f493c722c0..a45df247aad1 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c @@ -845,23 +845,6 @@ static int dsicm_update(struct omap_dss_device *dssdev, return r; } -static int dsicm_sync(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *src = ddata->src; - - dev_dbg(&ddata->dsi->dev, "sync\n"); - - mutex_lock(&ddata->lock); - src->ops->dsi.bus_lock(src); - src->ops->dsi.bus_unlock(src); - mutex_unlock(&ddata->lock); - - dev_dbg(&ddata->dsi->dev, "sync done\n"); - - return 0; -} - static int _dsicm_enable_te(struct panel_drv_data *ddata, bool enable) { struct omap_dss_device *src = ddata->src; @@ -950,7 +933,6 @@ static const struct omap_dss_device_ops dsicm_ops = { static const struct omap_dss_driver dsicm_dss_driver = { .update = dsicm_update, - .sync = dsicm_sync, }; static int dsicm_probe_of(struct mipi_dsi_device *dsi) diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index e6832bf22ed0..2c6c32240e20 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -384,7 +384,6 @@ struct omap_dss_device { struct omap_dss_driver { int (*update)(struct omap_dss_device *dssdev, u16 x, u16 y, u16 w, u16 h); - int (*sync)(struct omap_dss_device *dssdev); }; struct dss_device *omapdss_get_dss(void); diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c index fce7e944a280..3f78ce2f85a1 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.c +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c @@ -379,9 +379,6 @@ static void omap_crtc_manual_display_update(struct work_struct *data) return; } - if (dssdrv->sync) - dssdrv->sync(dssdev); - ret = dssdrv->update(dssdev, 0, 0, mode->hdisplay, mode->vdisplay); if (ret < 0) { spin_lock_irq(&dev->event_lock);