@@ -1458,6 +1458,20 @@ static int tegra_sor_probe(struct platform_device *pdev)
mutex_init(&sor->lock);
+ err = reset_control_assert(sor->rst);
+ if (err < 0) {
+ dev_err(&pdev->dev, "failed to assert SOR reset: %d\n", err);
+ return err;
+ }
+
+ msleep(20);
+
+ err = reset_control_deassert(sor->rst);
+ if (err < 0) {
+ dev_err(&pdev->dev, "failed to deassert SOR reset: %d\n", err);
+ return err;
+ }
+
err = host1x_client_register(&sor->client);
if (err < 0) {
dev_err(&pdev->dev, "failed to register host1x client: %d\n",
As there isn't a way for the firmware on the Nyan chromebooks to hand over the display to the kernel. Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> --- drivers/gpu/drm/tegra/sor.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)