In i.MX8M Mini/Nano SoC the DSI Phy requires a MIPI DPHY bit to reset in order to activate the PHY and that can be done via upstream i.MX8M blk-ctrl driver.
So, mark the phy get as optional.
v1: * new patch
Signed-off-by: Jagan Teki jagan@amarulasolutions.com --- drivers/gpu/drm/bridge/samsung-dsim.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c index 0e6a5d1c7e4e..ff05c8e01cff 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -1539,7 +1539,7 @@ static int samsung_dsim_probe(struct platform_device *pdev) if (IS_ERR(dsi->reg_base)) return PTR_ERR(dsi->reg_base);
- dsi->phy = devm_phy_get(dev, "dsim"); + dsi->phy = devm_phy_optional_get(dev, "dsim"); if (IS_ERR(dsi->phy)) { dev_info(dev, "failed to get dsim phy\n"); return PTR_ERR(dsi->phy);