diff options
| -rw-r--r-- | drivers/gpu/drm/bridge/waveshare-dsi.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/bridge/waveshare-dsi.c b/drivers/gpu/drm/bridge/waveshare-dsi.c index 0497c7ecbc7a..32d40414adb9 100644 --- a/drivers/gpu/drm/bridge/waveshare-dsi.c +++ b/drivers/gpu/drm/bridge/waveshare-dsi.c @@ -66,11 +66,13 @@ static int ws_bridge_attach_dsi(struct ws_bridge *ws) dsi->mode_flags = MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS; dsi->format = MIPI_DSI_FMT_RGB888; - dsi->lanes = drm_of_get_data_lanes_count_ep(dev->of_node, 0, 0, 1, 4); - if (dsi->lanes < 0) { + ret = drm_of_get_data_lanes_count_ep(dev->of_node, 0, 0, 1, 4); + if (ret < 0) { dev_warn(dev, "Invalid or missing DSI lane count %d, falling back to 2 lanes\n", - dsi->lanes); + ret); dsi->lanes = 2; /* Old DT backward compatibility */ + } else { + dsi->lanes = ret; } ret = devm_mipi_dsi_attach(dev, dsi); |