[PATCH v7 06/12] drm: panel: feixin-k101-im2ba02: Enable prepare_prev_first flag

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Enable the drm panel prepare_prev_first flag for feixin-k101-im2ba02
so-that the previous controller should be prepared first before the
prepare for the panel is called.
                   
This makes sure that the previous controller(sun6i-mipi-dsi), likely to
be a DSI host controller should be initialized to LP-11 before the panel
is powered up.

Cc: Icenowy Zheng <icenowy@xxxxxxx>
Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
---
Changes for v7:
- new patch

 drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c b/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c
index 76572c922983..77c936496eef 100644
--- a/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c
+++ b/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c
@@ -466,6 +466,7 @@ static int k101_im2ba02_dsi_probe(struct mipi_dsi_device *dsi)
 
 	drm_panel_init(&ctx->panel, &dsi->dev, &k101_im2ba02_funcs,
 		       DRM_MODE_CONNECTOR_DSI);
+	ctx->panel.prepare_prev_first = true;
 
 	ret = drm_panel_of_backlight(&ctx->panel);
 	if (ret)
-- 
2.25.1




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