From: Thierry Reding <treding@xxxxxxxxxx> The correct I/O pad needs to be powered up before DP can be used. Make sure the correct default is set for Tegra generations where the I/O pad cannot be derived from the SOR instance. Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> --- drivers/gpu/drm/tegra/sor.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index a245bbbd638a..bf2e31199166 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -3934,6 +3934,7 @@ static int tegra_sor_probe(struct platform_device *pdev) sor->pad = TEGRA_IO_PAD_LVDS; } else if (sor->soc->supports_dp) { sor->ops = &tegra_sor_dp_ops; + sor->pad = TEGRA_IO_PAD_LVDS; } else { dev_err(&pdev->dev, "unknown (DP) support\n"); return -ENODEV; -- 2.23.0