diff options
Diffstat (limited to 'drivers/gpu/ipu-v3/ipu-dc.c')
| -rw-r--r-- | drivers/gpu/ipu-v3/ipu-dc.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-dc.c b/drivers/gpu/ipu-v3/ipu-dc.c index 7a4b8362dda8..b038a6d7307b 100644 --- a/drivers/gpu/ipu-v3/ipu-dc.c +++ b/drivers/gpu/ipu-v3/ipu-dc.c @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2010 Sascha Hauer <s.hauer@pengutronix.de> * Copyright (C) 2005-2009 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. */ #include <linux/export.h> @@ -150,7 +141,7 @@ static int ipu_bus_format_to_map(u32 fmt) switch (fmt) { default: WARN_ON(1); - /* fall-through */ + fallthrough; case MEDIA_BUS_FMT_RGB888_1X24: return IPU_DC_MAP_RGB24; case MEDIA_BUS_FMT_RGB565_1X16: @@ -176,6 +167,11 @@ int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced, dc->di = ipu_di_get_num(di); + if (!IS_ALIGNED(width, 8)) { + dev_warn(priv->dev, + "%s: hactive does not align to 8 byte\n", __func__); + } + map = ipu_bus_format_to_map(bus_format); /* @@ -249,11 +245,8 @@ EXPORT_SYMBOL_GPL(ipu_dc_enable); void ipu_dc_enable_channel(struct ipu_dc *dc) { - int di; u32 reg; - di = dc->di; - reg = readl(dc->base + DC_WR_CH_CONF); reg |= DC_WR_CH_CONF_PROG_TYPE_NORMAL; writel(reg, dc->base + DC_WR_CH_CONF); @@ -351,8 +344,9 @@ int ipu_dc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base, unsigned long template_base) { struct ipu_dc_priv *priv; - static int channel_offsets[] = { 0, 0x1c, 0x38, 0x54, 0x58, 0x5c, - 0x78, 0, 0x94, 0xb4}; + static const int channel_offsets[] = { + 0, 0x1c, 0x38, 0x54, 0x58, 0x5c, 0x78, 0, 0x94, 0xb4 + }; int i; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); |