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Subject[PATCH 1/3] drm/panel: ilitek-ili9881c: make use of prepare_prev_first
From: Marco Felsch <m.felsch@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@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@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

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