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drm/panel: ilitek-ili9881c: make use of prepare_prev_first

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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>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231123-drm-panel-ili9881c-am8001280g-v1-1-fdf4d624c211@pengutronix.de
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231123-drm-panel-ili9881c-am8001280g-v1-1-fdf4d624c211@pengutronix.de
This commit is contained in:
Marco Felsch 2023-11-23 18:08:04 +01:00 committed by Neil Armstrong
parent 38db985966
commit 68c193c8d4
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
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@ -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;