From: Thierry Reding <treding@nvidia.com>
Date: Wed, 25 Sep 2019 11:26:59 +0000 (+0200)
Subject: drm/tegra: Fix ordering of cleanup code
X-Git-Tag: microblaze-v5.6-rc1~35^2~2^2~75
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=051172e8c1ceef8749f19faacc1d3bef65d20d8d;p=linux-2.6-microblaze.git

drm/tegra: Fix ordering of cleanup code

Commit Fixes: b9f8b09ce256 ("drm/tegra: Setup shared IOMMU domain after
initialization") changed the initialization order of the IOMMU related
bits but didn't update the cleanup path accordingly. This asymmetry can
cause failures during error recovery.

Fixes: b9f8b09ce256 ("drm/tegra: Setup shared IOMMU domain after initialization")
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
---

diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 6fb7d74ff553..bc7cc32140f8 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -201,19 +201,19 @@ hub:
 	if (tegra->hub)
 		tegra_display_hub_cleanup(tegra->hub);
 device:
-	host1x_device_exit(device);
-fbdev:
-	drm_kms_helper_poll_fini(drm);
-	tegra_drm_fb_free(drm);
-config:
-	drm_mode_config_cleanup(drm);
-
 	if (tegra->domain) {
 		mutex_destroy(&tegra->mm_lock);
 		drm_mm_takedown(&tegra->mm);
 		put_iova_domain(&tegra->carveout.domain);
 		iova_cache_put();
 	}
+
+	host1x_device_exit(device);
+fbdev:
+	drm_kms_helper_poll_fini(drm);
+	tegra_drm_fb_free(drm);
+config:
+	drm_mode_config_cleanup(drm);
 domain:
 	if (tegra->domain)
 		iommu_domain_free(tegra->domain);