diff options
Diffstat (limited to 'drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c | 66 |
1 files changed, 30 insertions, 36 deletions
diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c b/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c index 797bbc7a264e..1db0c63b1131 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * MIPI-DSI based s6e3ha2 AMOLED 5.7 inch panel driver. * @@ -5,20 +6,19 @@ * Donghwa Lee <dh09.lee@samsung.com> * Hyungwon Hwang <human.hwang@samsung.com> * Hoegeun Kwon <hoegeun.kwon@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_mipi_dsi.h> -#include <drm/drm_panel.h> #include <linux/backlight.h> +#include <linux/delay.h> #include <linux/gpio/consumer.h> -#include <linux/of_device.h> +#include <linux/module.h> +#include <linux/of.h> #include <linux/regulator/consumer.h> +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> + #define S6E3HA2_MIN_BRIGHTNESS 0 #define S6E3HA2_MAX_BRIGHTNESS 100 #define S6E3HA2_DEFAULT_BRIGHTNESS 80 @@ -214,7 +214,7 @@ static const u8 gamma_tbl[S6E3HA2_NUM_GAMMA_STEPS][S6E3HA2_GAMMA_CMD_CNT] = { 0x00, 0x00 } }; -unsigned char vint_table[S6E3HA2_VINT_STATUS_MAX] = { +static const unsigned char vint_table[S6E3HA2_VINT_STATUS_MAX] = { 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21 }; @@ -458,7 +458,7 @@ static int s6e3ha2_set_brightness(struct backlight_device *bl_dev) return -EINVAL; } - if (bl_dev->props.power > FB_BLANK_NORMAL) + if (bl_dev->props.power > BACKLIGHT_POWER_REDUCED) return -EPERM; s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx)); @@ -508,7 +508,7 @@ static int s6e3ha2_disable(struct drm_panel *panel) s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_off(dsi)); msleep(40); - ctx->bl_dev->props.power = FB_BLANK_NORMAL; + ctx->bl_dev->props.power = BACKLIGHT_POWER_REDUCED; return 0; } @@ -554,7 +554,7 @@ static int s6e3ha2_prepare(struct drm_panel *panel) if (ret < 0) goto err; - ctx->bl_dev->props.power = FB_BLANK_NORMAL; + ctx->bl_dev->props.power = BACKLIGHT_POWER_REDUCED; return 0; @@ -601,7 +601,7 @@ static int s6e3ha2_enable(struct drm_panel *panel) s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx)); s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_on(dsi)); - ctx->bl_dev->props.power = FB_BLANK_UNBLANK; + ctx->bl_dev->props.power = BACKLIGHT_POWER_ON; return 0; } @@ -616,7 +616,6 @@ static const struct drm_display_mode s6e3ha2_mode = { .vsync_start = 2560 + 1, .vsync_end = 2560 + 1 + 1, .vtotal = 2560 + 1 + 1 + 15, - .vrefresh = 60, .flags = 0, }; @@ -635,7 +634,6 @@ static const struct drm_display_mode s6e3hf2_mode = { .vsync_start = 2560 + 1, .vsync_end = 2560 + 1 + 1, .vtotal = 2560 + 1 + 1 + 15, - .vrefresh = 60, .flags = 0, }; @@ -644,17 +642,17 @@ static const struct s6e3ha2_panel_desc samsung_s6e3hf2 = { .type = HF2_TYPE, }; -static int s6e3ha2_get_modes(struct drm_panel *panel) +static int s6e3ha2_get_modes(struct drm_panel *panel, + struct drm_connector *connector) { - struct drm_connector *connector = panel->connector; struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel); struct drm_display_mode *mode; - mode = drm_mode_duplicate(panel->drm, ctx->desc->mode); + mode = drm_mode_duplicate(connector->dev, ctx->desc->mode); if (!mode) { - DRM_ERROR("failed to add mode %ux%ux@%u\n", + dev_err(panel->dev, "failed to add mode %ux%u@%u\n", ctx->desc->mode->hdisplay, ctx->desc->mode->vdisplay, - ctx->desc->mode->vrefresh); + drm_mode_vrefresh(ctx->desc->mode)); return -ENOMEM; } @@ -683,9 +681,11 @@ static int s6e3ha2_probe(struct mipi_dsi_device *dsi) struct s6e3ha2 *ctx; int ret; - ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); - if (!ctx) - return -ENOMEM; + ctx = devm_drm_panel_alloc(dev, struct s6e3ha2, panel, + &s6e3ha2_drm_funcs, + DRM_MODE_CONNECTOR_DSI); + if (IS_ERR(ctx)) + return PTR_ERR(ctx); mipi_dsi_set_drvdata(dsi, ctx); @@ -694,7 +694,9 @@ static int s6e3ha2_probe(struct mipi_dsi_device *dsi) dsi->lanes = 4; dsi->format = MIPI_DSI_FMT_RGB888; - dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS; + dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS | + MIPI_DSI_MODE_VIDEO_NO_HFP | MIPI_DSI_MODE_VIDEO_NO_HBP | + MIPI_DSI_MODE_VIDEO_NO_HSA | MIPI_DSI_MODE_NO_EOT_PACKET; ctx->supplies[0].supply = "vdd3"; ctx->supplies[1].supply = "vci"; @@ -729,15 +731,11 @@ static int s6e3ha2_probe(struct mipi_dsi_device *dsi) ctx->bl_dev->props.max_brightness = S6E3HA2_MAX_BRIGHTNESS; ctx->bl_dev->props.brightness = S6E3HA2_DEFAULT_BRIGHTNESS; - ctx->bl_dev->props.power = FB_BLANK_POWERDOWN; + ctx->bl_dev->props.power = BACKLIGHT_POWER_OFF; - drm_panel_init(&ctx->panel); - ctx->panel.dev = dev; - ctx->panel.funcs = &s6e3ha2_drm_funcs; + ctx->panel.prepare_prev_first = true; - ret = drm_panel_add(&ctx->panel); - if (ret < 0) - goto unregister_backlight; + drm_panel_add(&ctx->panel); ret = mipi_dsi_attach(dsi); if (ret < 0) @@ -747,22 +745,18 @@ static int s6e3ha2_probe(struct mipi_dsi_device *dsi) remove_panel: drm_panel_remove(&ctx->panel); - -unregister_backlight: backlight_device_unregister(ctx->bl_dev); return ret; } -static int s6e3ha2_remove(struct mipi_dsi_device *dsi) +static void s6e3ha2_remove(struct mipi_dsi_device *dsi) { struct s6e3ha2 *ctx = mipi_dsi_get_drvdata(dsi); mipi_dsi_detach(dsi); drm_panel_remove(&ctx->panel); backlight_device_unregister(ctx->bl_dev); - - return 0; } static const struct of_device_id s6e3ha2_of_match[] = { |