drm/tegra: Rename host1x_drm structure to tegra_drm

The host1x and Tegra DRM drivers are currently tightly coupled. Renaming
the structure marks the boundary more clearly.

Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/host1x/drm/hdmi.c b/drivers/gpu/host1x/drm/hdmi.c
index 644d95c..e7fb9d9 100644
--- a/drivers/gpu/host1x/drm/hdmi.c
+++ b/drivers/gpu/host1x/drm/hdmi.c
@@ -1181,7 +1181,7 @@
 
 static int tegra_hdmi_probe(struct platform_device *pdev)
 {
-	struct host1x_drm *host1x = host1x_get_drm_data(pdev->dev.parent);
+	struct tegra_drm *tegra = host1x_get_drm_data(pdev->dev.parent);
 	struct tegra_hdmi *hdmi;
 	struct resource *regs;
 	int err;
@@ -1256,7 +1256,7 @@
 	INIT_LIST_HEAD(&hdmi->client.list);
 	hdmi->client.dev = &pdev->dev;
 
-	err = host1x_register_client(host1x, &hdmi->client);
+	err = host1x_register_client(tegra, &hdmi->client);
 	if (err < 0) {
 		dev_err(&pdev->dev, "failed to register host1x client: %d\n",
 			err);
@@ -1270,11 +1270,11 @@
 
 static int tegra_hdmi_remove(struct platform_device *pdev)
 {
-	struct host1x_drm *host1x = host1x_get_drm_data(pdev->dev.parent);
+	struct tegra_drm *tegra = host1x_get_drm_data(pdev->dev.parent);
 	struct tegra_hdmi *hdmi = platform_get_drvdata(pdev);
 	int err;
 
-	err = host1x_unregister_client(host1x, &hdmi->client);
+	err = host1x_unregister_client(tegra, &hdmi->client);
 	if (err < 0) {
 		dev_err(&pdev->dev, "failed to unregister host1x client: %d\n",
 			err);