[PATCH] drm/panel: novatek-nt36523: Set prepare_prev_first

[Konrad Dybcio]

The .prepare callback contains the init sequence, so the DSI host *must*
be enabled at that point. Set the prepare_prev_first flag to ensure that.

Signed-off-by: Konrad Dybcio <konrad.dyb...@linaro.org>
---
 drivers/gpu/drm/panel/panel-novatek-nt36523.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36523.c 
b/drivers/gpu/drm/panel/panel-novatek-nt36523.c
index a189ce236328..32cae1bc9162 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt36523.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt36523.c
@@ -1270,6 +1270,8 @@ static int nt36523_probe(struct mipi_dsi_device *dsi)
                return ret;
        }
 
+       pinfo->panel.prepare_prev_first = true;
+
        if (pinfo->desc->has_dcs_backlight) {
                pinfo->panel.backlight = nt36523_create_backlight(dsi);
                if (IS_ERR(pinfo->panel.backlight))

---
base-commit: 51b70ff55ed88edd19b080a524063446bcc34b62
change-id: 20240201-topic-3623_fix-9198419e5e47

Best regards,
-- 
Konrad Dybcio <konrad.dyb...@linaro.org>