diff options
author | Sean Paul <seanpaul@chromium.org> | 2018-03-30 19:35:45 +0300 |
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committer | Sean Paul <seanpaul@chromium.org> | 2018-03-30 19:35:45 +0300 |
commit | 83fd26c3f32afe38bb2ab8cc00e313ec5c2edbce (patch) | |
tree | b2d2719c998bc2bcba99f2ecf2d164ee9b7ad75a /drivers/gpu/drm/tegra/dc.c | |
parent | 4165791d29f64e01860a064f3c649447dbac41c3 (diff) | |
parent | 694f54f680f7fd8e9561928fbfc537d9afbc3d79 (diff) | |
download | linux-83fd26c3f32afe38bb2ab8cc00e313ec5c2edbce.tar.xz |
Merge airlied/drm-next into drm-misc-next
Backmerging to pick up a fix from drm-misc-next-fixes.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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; } |