drm/panel: simple: Specify bus width and flags for EDT displays

The display has a 18-Bit parallel LCD interface, require DE to be
active high and data driven by the controller on falling pixel
clock edge (display samples on rising edge).

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index be35f3fa7e9a0365c9863974226190bcd980abad..89eb0422821c555bbf8699588d398df6139ad5f4 100644 (file)
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -802,6 +802,8 @@ static const struct panel_desc edt_et057090dhu = {
                .width = 115,
                .height = 86,
        },
+       .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+       .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_NEGEDGE,
 };
 
 static const struct drm_display_mode edt_etm0700g0dh6_mode = {
@@ -826,6 +828,8 @@ static const struct panel_desc edt_etm0700g0dh6 = {
                .width = 152,
                .height = 91,
        },
+       .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+       .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_NEGEDGE,
 };
 
 static const struct drm_display_mode foxlink_fl500wvr00_a0t_mode = {