From: Guillaume Ranquet <granquet@xxxxxxxxxxxx>
Enabling the dpi too early causes glitches on screen.
Move the call to mtk_dpi_enable() at the end of the bridge_enable
callback to ensure everything is setup properly before enabling dpi.
Fixes: f89c696e7f63 ("drm/mediatek: mtk_dpi: Convert to bridge driver")
Signed-off-by: Guillaume Ranquet <granquet@xxxxxxxxxxxx>
Signed-off-by: Bo-Chen Chen <rex-bc.chen@xxxxxxxxxxxx>
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index fc76ccad0a82..220e9b18e2cd 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -486,7 +486,6 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi)
if (dpi->pinctrl && dpi->pins_dpi)
pinctrl_select_state(dpi->pinctrl, dpi->pins_dpi);
- mtk_dpi_enable(dpi);
return 0;
err_pixel:
@@ -731,6 +730,7 @@ static void mtk_dpi_bridge_enable(struct drm_bridge *bridge)
mtk_dpi_power_on(dpi);
mtk_dpi_set_display_mode(dpi, &dpi->mode);
+ mtk_dpi_enable(dpi);
}
static enum drm_mode_status
--
2.18.0
