Re: [PATCH] drm/panel: jdi-fhd-r63452: make use of prepare_prev_first

From: Neil Armstrong
Date: Wed Apr 24 2024 - 02:51:30 EST


On 23/04/2024 22:54, Barnabás Czémán wrote:
The DSI host must be enabled for the panel to be initialized in
prepare(). Set the prepare_prev_first flag to guarantee this.

Signed-off-by: Barnabás Czémán <trabarni@xxxxxxxxx>
---
drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c b/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c
index 3e0a8e0d58a0..483dc88d16d8 100644
--- a/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c
+++ b/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c
@@ -247,6 +247,7 @@ static int jdi_fhd_r63452_probe(struct mipi_dsi_device *dsi)
drm_panel_init(&ctx->panel, dev, &jdi_fhd_r63452_panel_funcs,
DRM_MODE_CONNECTOR_DSI);
+ ctx->panel.prepare_prev_first = true;
ret = drm_panel_of_backlight(&ctx->panel);
if (ret)

---
base-commit: a59668a9397e7245b26e9be85d23f242ff757ae8
change-id: 20240423-jdi-fix-986a796a3101

Best regards,

Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>