From patchwork Thu Feb 27 16:21:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marco Felsch X-Patchwork-Id: 11408915 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 3C58A13A4 for ; Thu, 27 Feb 2020 16:41:05 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 24C712469F for ; Thu, 27 Feb 2020 16:41:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 24C712469F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C08766E943; Thu, 27 Feb 2020 16:40:56 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by gabe.freedesktop.org (Postfix) with ESMTPS id 30F736E93E for ; Thu, 27 Feb 2020 16:40:43 +0000 (UTC) Received: from dude02.hi.pengutronix.de ([2001:67c:670:100:1d::28] helo=dude02.lab.pengutronix.de) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1j7Lum-0001sW-8d; Thu, 27 Feb 2020 17:21:32 +0100 Received: from mfe by dude02.lab.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1j7Luk-00080G-PZ; Thu, 27 Feb 2020 17:21:30 +0100 From: Marco Felsch To: p.zabel@pengutronix.de, airlied@linux.ie, daniel@ffwll.ch, shawnguo@kernel.org, stefan@agner.ch, rmk+kernel@armlinux.org.uk Subject: [PATCH 14/17] drm/imx: imx-ldb: add ldb_is_dual helper Date: Thu, 27 Feb 2020 17:21:22 +0100 Message-Id: <20200227162125.10450-15-m.felsch@pengutronix.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200227162125.10450-1-m.felsch@pengutronix.de> References: <20200227162125.10450-1-m.felsch@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::28 X-SA-Exim-Mail-From: mfe@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: dri-devel@lists.freedesktop.org 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: kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" There where several places where this bit operation is made. Add a simple helper so we don't need to remember the bit each time. Signed-off-by: Marco Felsch --- drivers/gpu/drm/imx/imx-ldb.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index e3fa46e1639d..5ef9fcb9ae94 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -95,11 +95,16 @@ struct imx_ldb { const struct bus_mux *lvds_mux; }; +static inline int imx_ldb_is_dual(struct imx_ldb *ldb) +{ + return ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; +} + static void imx_ldb_ch_set_bus_format(struct imx_ldb_channel *imx_ldb_ch, u32 bus_format) { struct imx_ldb *ldb = imx_ldb_ch->ldb; - int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; + int dual = imx_ldb_is_dual(ldb); switch (bus_format) { case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG: @@ -196,7 +201,7 @@ static void imx_ldb_encoder_enable(struct drm_encoder *encoder) { struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); struct imx_ldb *ldb = imx_ldb_ch->ldb; - int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; + int dual = imx_ldb_is_dual(ldb); int mux = drm_of_encoder_active_port_id(imx_ldb_ch->child, encoder); drm_panel_prepare(imx_ldb_ch->panel); @@ -251,7 +256,7 @@ imx_ldb_encoder_atomic_mode_set(struct drm_encoder *encoder, struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); struct drm_display_mode *mode = &crtc_state->adjusted_mode; struct imx_ldb *ldb = imx_ldb_ch->ldb; - int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; + int dual = imx_ldb_is_dual(ldb); unsigned long serial_clk; unsigned long di_clk = mode->clock * 1000; int mux = drm_of_encoder_active_port_id(imx_ldb_ch->child, encoder); @@ -315,7 +320,7 @@ static void imx_ldb_encoder_disable(struct drm_encoder *encoder) regmap_write(ldb->regmap, IOMUXC_GPR2, ldb->ldb_ctrl); - if (ldb->ldb_ctrl & LDB_SPLIT_MODE_EN) { + if (imx_ldb_is_dual(ldb)) { clk_disable_unprepare(ldb->clk[0]); clk_disable_unprepare(ldb->clk[1]); } @@ -434,7 +439,7 @@ static int imx_ldb_register(struct drm_device *drm, if (ret) return ret; - if (ldb->ldb_ctrl & LDB_SPLIT_MODE_EN) { + if (imx_ldb_is_dual(ldb)) { ret = imx_ldb_get_clk(ldb, 1); if (ret) return ret; @@ -557,7 +562,7 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data) struct drm_device *drm = data; struct device_node *np = dev->of_node; struct imx_ldb *imx_ldb = dev_get_drvdata(dev); - int dual = imx_ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; + int dual = imx_ldb_is_dual(imx_ldb); struct device_node *child; int ret; int i;