struct panel_simple *panel;
struct display_timing dt;
struct device_node *ddc;
+ u32 bus_flags;
int err;
panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);
panel_simple_parse_panel_timing_node(dev, panel, &dt);
}
- if (desc->connector_type == DRM_MODE_CONNECTOR_LVDS) {
- /* Catch common mistakes for LVDS panels. */
+ /* Catch common mistakes for panels. */
+ switch (desc->connector_type) {
+ case 0:
+ dev_warn(dev, "Specify missing connector_type\n");
+ break;
+ case DRM_MODE_CONNECTOR_LVDS:
WARN_ON(desc->bus_flags &
~(DRM_BUS_FLAG_DE_LOW |
DRM_BUS_FLAG_DE_HIGH |
WARN_ON((desc->bus_format == MEDIA_BUS_FMT_RGB888_1X7X4_SPWG ||
desc->bus_format == MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA) &&
desc->bpc != 8);
+ break;
+ case DRM_MODE_CONNECTOR_eDP:
+ if (desc->bus_format == 0)
+ dev_warn(dev, "Specify missing bus_format\n");
+ if (desc->bpc != 6 && desc->bpc != 8)
+ dev_warn(dev, "Expected bpc in {6,8} but got: %u\n", desc->bpc);
+ break;
+ case DRM_MODE_CONNECTOR_DSI:
+ if (desc->bpc != 6 && desc->bpc != 8)
+ dev_warn(dev, "Expected bpc in {6,8} but got: %u\n", desc->bpc);
+ break;
+ case DRM_MODE_CONNECTOR_DPI:
+ bus_flags = DRM_BUS_FLAG_DE_LOW |
+ DRM_BUS_FLAG_DE_HIGH |
+ DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE |
+ DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE |
+ DRM_BUS_FLAG_DATA_MSB_TO_LSB |
+ DRM_BUS_FLAG_DATA_LSB_TO_MSB |
+ DRM_BUS_FLAG_SYNC_SAMPLE_POSEDGE |
+ DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE;
+ if (desc->bus_flags & ~bus_flags)
+ dev_warn(dev, "Unexpected bus_flags(%d)\n", desc->bus_flags & ~bus_flags);
+ if (!(desc->bus_flags & bus_flags))
+ dev_warn(dev, "Specify missing bus_flags\n");
+ if (desc->bus_format == 0)
+ dev_warn(dev, "Specify missing bus_format\n");
+ if (desc->bpc != 6 && desc->bpc != 8)
+ dev_warn(dev, "Expected bpc in {6,8} but got: %u\n", desc->bpc);
+ break;
+ default:
+ dev_warn(dev, "Specify a valid connector_type: %d\n", desc->connector_type);
+ break;
}
drm_panel_init(&panel->base, dev, &panel_simple_funcs,