Merge tag 'drm/tegra/for-5.3-rc4' of git://anongit.freedesktop.org/tegra/linux into drm-fixes

drm/tegra: Fixes for v5.3-rc4

This contains a single fix for a regression introduced by a combination
of a GPIO and a drm/tegra patch merged in v5.3-rc1.
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190807140634.29166-1-thierry.reding@gmail.com

drivers/gpu/drm/tegra/output.c

@@ -126,9 +126,13 @@ int tegra_output_probe(struct tegra_output *output)
 						       "nvidia,hpd-gpio", 0,
 						       GPIOD_IN,
 						       "HDMI hotplug detect");
-	if (IS_ERR(output->hpd_gpio))
+	if (IS_ERR(output->hpd_gpio)) {
+		if (PTR_ERR(output->hpd_gpio) != -ENOENT)
 			return PTR_ERR(output->hpd_gpio);
 
+		output->hpd_gpio = NULL;
+	}
+
 	if (output->hpd_gpio) {
 		err = gpiod_to_irq(output->hpd_gpio);
 		if (err < 0) {