On 7/8/26 23:34, Marc-Olivier Champagne wrote:
The DSI host must be enabled for the panel to be initialized in
prepare(). Set the prepare_prev_first flag to guarantee this.
This fixes the panel operation on Renesas RZ/G2LC SoC DSI host.
Suggested-by: Hugo Villeneuve <[email protected]>
Signed-off-by: Marc-Olivier Champagne
<[email protected]>
---
drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
index 1ef0c937863a..a79dc8f8d5af 100644
--- a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
+++ b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
@@ -2993,6 +2993,8 @@ static int jadard_dsi_probe(struct mipi_dsi_device *dsi)
return dev_err_probe(&dsi->dev, PTR_ERR(jadard->vccio),
"failed to get vccio regulator\n");
+ jadard->panel.prepare_prev_first = true;
+
ret = of_drm_get_panel_orientation(dev->of_node, &jadard->orientation);
if (ret < 0)
return dev_err_probe(dev, ret, "failed to get orientation\n");
Reviewed-by: Neil Armstrong <[email protected]>
Thanks,
Neil
