From: Marijn Suijten Date: Sun, 30 Nov 2025 22:40:05 +0000 (+0100) Subject: drm/panel: sony-td4353-jdi: Enable prepare_prev_first X-Git-Tag: v6.19-rc2~13^2~1^2~2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b973ca48ff3ef1952091c8f988d7796781836c8;p=thirdparty%2Flinux.git drm/panel: sony-td4353-jdi: Enable prepare_prev_first The DSI host must be enabled before our prepare function can run, which has to send its init sequence over DSI. Without enabling the host first the panel will not probe. Fixes: 9e15123eca79 ("drm/msm/dsi: Stop unconditionally powering up DSI hosts at modeset") Signed-off-by: Marijn Suijten Reviewed-by: Douglas Anderson Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Martin Botka Signed-off-by: Douglas Anderson Link: https://patch.msgid.link/20251130-sony-akari-fix-panel-v1-1-1d27c60a55f5@somainline.org --- diff --git a/drivers/gpu/drm/panel/panel-sony-td4353-jdi.c b/drivers/gpu/drm/panel/panel-sony-td4353-jdi.c index 7c989b70ab51..a14c86c60d19 100644 --- a/drivers/gpu/drm/panel/panel-sony-td4353-jdi.c +++ b/drivers/gpu/drm/panel/panel-sony-td4353-jdi.c @@ -212,6 +212,8 @@ static int sony_td4353_jdi_probe(struct mipi_dsi_device *dsi) if (ret) return dev_err_probe(dev, ret, "Failed to get backlight\n"); + ctx->panel.prepare_prev_first = true; + drm_panel_add(&ctx->panel); ret = mipi_dsi_attach(dsi);