diff options
Diffstat (limited to 'drivers/gpu/drm/panel/panel-lg-lg4573.c')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-lg-lg4573.c | 51 |
1 files changed, 24 insertions, 27 deletions
diff --git a/drivers/gpu/drm/panel/panel-lg-lg4573.c b/drivers/gpu/drm/panel/panel-lg-lg4573.c index 6989238b276a..dec619902c15 100644 --- a/drivers/gpu/drm/panel/panel-lg-lg4573.c +++ b/drivers/gpu/drm/panel/panel-lg-lg4573.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2015 Heiko Schocher <hs@denx.de> * @@ -9,16 +10,11 @@ * Derived from drivers/video/backlight/ld9040.c * * Andrzej Hajda <a.hajda@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ -#include <drm/drmP.h> -#include <drm/drm_panel.h> - +#include <linux/delay.h> #include <linux/gpio/consumer.h> +#include <linux/module.h> #include <linux/regulator/consumer.h> #include <linux/spi/spi.h> @@ -26,6 +22,10 @@ #include <video/of_videomode.h> #include <video/videomode.h> +#include <drm/drm_device.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> + struct lg4573 { struct drm_panel panel; struct spi_device *spi; @@ -42,7 +42,7 @@ static int lg4573_spi_write_u16(struct lg4573 *ctx, u16 data) struct spi_transfer xfer = { .len = 2, }; - u16 temp = cpu_to_be16(data); + __be16 temp = cpu_to_be16(data); struct spi_message msg; dev_dbg(ctx->panel.dev, "writing data: %x\n", data); @@ -197,7 +197,7 @@ static int lg4573_enable(struct drm_panel *panel) } static const struct drm_display_mode default_mode = { - .clock = 27000, + .clock = 28341, .hdisplay = 480, .hsync_start = 480 + 10, .hsync_end = 480 + 10 + 59, @@ -206,19 +206,18 @@ static const struct drm_display_mode default_mode = { .vsync_start = 800 + 15, .vsync_end = 800 + 15 + 15, .vtotal = 800 + 15 + 15 + 15, - .vrefresh = 60, }; -static int lg4573_get_modes(struct drm_panel *panel) +static int lg4573_get_modes(struct drm_panel *panel, + struct drm_connector *connector) { - struct drm_connector *connector = panel->connector; struct drm_display_mode *mode; - mode = drm_mode_duplicate(panel->drm, &default_mode); + mode = drm_mode_duplicate(connector->dev, &default_mode); if (!mode) { - dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n", + dev_err(panel->dev, "failed to add mode %ux%ux@%u\n", default_mode.hdisplay, default_mode.vdisplay, - default_mode.vrefresh); + drm_mode_vrefresh(&default_mode)); return -ENOMEM; } @@ -227,8 +226,8 @@ static int lg4573_get_modes(struct drm_panel *panel) mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; drm_mode_probed_add(connector, mode); - panel->connector->display_info.width_mm = 61; - panel->connector->display_info.height_mm = 103; + connector->display_info.width_mm = 61; + connector->display_info.height_mm = 103; return 1; } @@ -244,9 +243,11 @@ static int lg4573_probe(struct spi_device *spi) struct lg4573 *ctx; int ret; - ctx = devm_kzalloc(&spi->dev, sizeof(*ctx), GFP_KERNEL); - if (!ctx) - return -ENOMEM; + ctx = devm_drm_panel_alloc(&spi->dev, struct lg4573, panel, + &lg4573_drm_funcs, + DRM_MODE_CONNECTOR_DPI); + if (IS_ERR(ctx)) + return PTR_ERR(ctx); ctx->spi = spi; @@ -259,21 +260,17 @@ static int lg4573_probe(struct spi_device *spi) return ret; } - drm_panel_init(&ctx->panel); - ctx->panel.dev = &spi->dev; - ctx->panel.funcs = &lg4573_drm_funcs; + drm_panel_add(&ctx->panel); - return drm_panel_add(&ctx->panel); + return 0; } -static int lg4573_remove(struct spi_device *spi) +static void lg4573_remove(struct spi_device *spi) { struct lg4573 *ctx = spi_get_drvdata(spi); lg4573_display_off(ctx); drm_panel_remove(&ctx->panel); - - return 0; } static const struct of_device_id lg4573_of_match[] = { |