From: Marco Felsch <m.felsch@xxxxxxxxxxxxxx> The panel.prepare() call requires an initialized MIPI-DSI host, so set the prepare_prev_first flag to indicate that the host must be initialized first. Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> --- drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c index 7838947a1bf3..0c911ed9141b 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -1094,6 +1094,8 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi) return ret; } + ctx->panel.prepare_prev_first = true; + ret = drm_panel_of_backlight(&ctx->panel); if (ret) return ret; -- 2.39.2