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| author |   Dave Airlie <airlied@redhat.com> | 2018-03-28 14:30:41 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-03-28 14:30:41 +1000 |
| commit | 2b4f44eec2be2688511c2b617d0e1b4f94c45ba4 (patch) | |
| tree | 533c03602f4ae6d6404db6fa56c88e6f83e1bebe /drivers/gpu/drm/tegra/dc.c | |
| parent | Merge branch 'drm-next-4.17' of git://people.freedesktop.org/~agd5f/linux into drm-next (diff) | |
| parent | Linux 4.16-rc7 (diff) | |
| download | linux-dev-2b4f44eec2be2688511c2b617d0e1b4f94c45ba4.tar.xz linux-dev-2b4f44eec2be2688511c2b617d0e1b4f94c45ba4.zip | |
Backmerge tag 'v4.16-rc7' into drm-next
Linux 4.16-rc7
This was requested by Daniel, and things were getting
a bit hard to reconcile, most of the conflicts were
trivial though.
Diffstat (limited to 'drivers/gpu/drm/tegra/dc.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/dc.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 71152776b04c..616c9634585e 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -1916,8 +1916,12 @@ cleanup: if (!IS_ERR(primary)) drm_plane_cleanup(primary); - if (group && tegra->domain) { - iommu_detach_group(tegra->domain, group); + if (group && dc->domain) { + if (group == tegra->group) { + iommu_detach_group(dc->domain, group); + tegra->group = NULL; + } + dc->domain = NULL; } @@ -1926,8 +1930,10 @@ cleanup: static int tegra_dc_exit(struct host1x_client *client) { + struct drm_device *drm = dev_get_drvdata(client->parent); struct iommu_group *group = iommu_group_get(client->dev); struct tegra_dc *dc = host1x_client_to_dc(client); + struct tegra_drm *tegra = drm->dev_private; int err; devm_free_irq(dc->dev, dc->irq, dc); @@ -1939,7 +1945,11 @@ static int tegra_dc_exit(struct host1x_client *client) } if (group && dc->domain) { - iommu_detach_group(dc->domain, group); + if (group == tegra->group) { + iommu_detach_group(dc->domain, group); + tegra->group = NULL; + } + dc->domain = NULL; } |