[PATCH 1/3] drm/panel: ilitek-ili9881c: make use of prepare_prev_first

[Philipp Zabel]

From: Marco Felsch <m.felsch at pengutronix.de>

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 at pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel at pengutronix.de>
---
 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