The DSI host needs to be enabled for the panel to be initialized in prepare(). Ensure this happens by setting prepare_prev_first. Signed-off-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx> --- drivers/gpu/drm/panel/panel-visionox-r66451.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/panel/panel-visionox-r66451.c b/drivers/gpu/drm/panel/panel-visionox-r66451.c index fbb73464de332..493f2a6076f8d 100644 --- a/drivers/gpu/drm/panel/panel-visionox-r66451.c +++ b/drivers/gpu/drm/panel/panel-visionox-r66451.c @@ -322,6 +322,7 @@ static int visionox_r66451_probe(struct mipi_dsi_device *dsi) dsi->lanes = 4; dsi->format = MIPI_DSI_FMT_RGB888; dsi->mode_flags = MIPI_DSI_MODE_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS; + ctx->panel.prepare_prev_first = true; drm_panel_init(&ctx->panel, dev, &visionox_r66451_funcs, DRM_MODE_CONNECTOR_DSI); ctx->panel.backlight = visionox_r66451_create_backlight(dsi); --- base-commit: 51b70ff55ed88edd19b080a524063446bcc34b62 change-id: 20230717-visionox-r66451-prev-first-67b036160e32 Best regards, -- Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>
