[PATCH 7/8] drm: panel: Use _LE LVDS formats for data mirroring

From: Jacopo Mondi
Date: Thu Apr 19 2018 - 05:31:48 EST


As now both bridges and panels report supported image formats,
use the newly introduced _LE version of LVDS media bus formats in place
of the DRM_BUS_FLAG_DATA_ flags defined in drm_connector.h

Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
---
drivers/gpu/drm/panel/panel-lvds.c | 21 ++++++++++++---------
1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-lvds.c b/drivers/gpu/drm/panel/panel-lvds.c
index 5185819..ac03eab 100644
--- a/drivers/gpu/drm/panel/panel-lvds.c
+++ b/drivers/gpu/drm/panel/panel-lvds.c
@@ -37,7 +37,6 @@ struct panel_lvds {
unsigned int height;
struct videomode video_mode;
unsigned int bus_format;
- bool data_mirror;

struct backlight_device *backlight;
struct regulator *supply;
@@ -129,9 +128,6 @@ static int panel_lvds_get_modes(struct drm_panel *panel)
connector->display_info.height_mm = lvds->height;
drm_display_info_set_bus_formats(&connector->display_info,
&lvds->bus_format, 1);
- connector->display_info.bus_flags = lvds->data_mirror
- ? DRM_BUS_FLAG_DATA_LSB_TO_MSB
- : DRM_BUS_FLAG_DATA_MSB_TO_LSB;

return 1;
}
@@ -149,6 +145,7 @@ static int panel_lvds_parse_dt(struct panel_lvds *lvds)
struct device_node *np = lvds->dev->of_node;
struct display_timing timing;
const char *mapping;
+ bool data_mirror;
int ret;

ret = of_get_display_timing(np, "panel-timing", &timing);
@@ -179,20 +176,26 @@ static int panel_lvds_parse_dt(struct panel_lvds *lvds)
return -ENODEV;
}

+ data_mirror = of_property_read_bool(np, "data-mirror");
+
if (!strcmp(mapping, "jeida-18")) {
- lvds->bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG;
+ lvds->bus_format = data_mirror ?
+ MEDIA_BUS_FMT_RGB666_1X7X3_SPWG_LE :
+ MEDIA_BUS_FMT_RGB666_1X7X3_SPWG;
} else if (!strcmp(mapping, "jeida-24")) {
- lvds->bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA;
+ lvds->bus_format = data_mirror ?
+ MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA_LE :
+ MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA;
} else if (!strcmp(mapping, "vesa-24")) {
- lvds->bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG;
+ lvds->bus_format = data_mirror ?
+ MEDIA_BUS_FMT_RGB888_1X7X4_SPWG_LE :
+ MEDIA_BUS_FMT_RGB888_1X7X4_SPWG;
} else {
dev_err(lvds->dev, "%pOF: invalid or missing %s DT property\n",
np, "data-mapping");
return -EINVAL;
}

- lvds->data_mirror = of_property_read_bool(np, "data-mirror");
-
return 0;
}

--
2.7.4