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| author |   Thierry Reding <treding@nvidia.com> | 2019-12-03 17:19:06 +0100 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2019-12-04 13:34:48 +0100 |
| commit | 9569c3e9227c03e2b5eb341676e46b0bcbbeaa01 (patch) | |
| tree | da10870c483957299b1224a51b44c0047f06aa1e /drivers/gpu/drm/tegra/hub.c | |
| parent | drm/tegra: Unconditionally select IOMMU_IOVA (diff) | |
| download | linux-dev-9569c3e9227c03e2b5eb341676e46b0bcbbeaa01.tar.xz linux-dev-9569c3e9227c03e2b5eb341676e46b0bcbbeaa01.zip | |
drm/tegra: hub: Remove bogus connection mutex check
The Tegra DRM never actually took that lock, so the driver was broken
until generic locking was added in commit:
commit b962a12050a387e4bbf3a48745afe1d29d396b0d
Author: Rob Clark <robdclark@gmail.com>
Date: Mon Oct 22 14:31:22 2018 +0200
drm/atomic: integrate modeset lock with private objects
It's now no longer necessary to take that lock, so drop the check.
v2: add rationale for why it is now safe to drop the check (Daniel)
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/tegra/hub.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/gpu/drm/tegra/hub.c b/drivers/gpu/drm/tegra/hub.c index 2b4082d0bc9e..47d985ac7cd7 100644 --- a/drivers/gpu/drm/tegra/hub.c +++ b/drivers/gpu/drm/tegra/hub.c @@ -605,11 +605,8 @@ static struct tegra_display_hub_state * tegra_display_hub_get_state(struct tegra_display_hub *hub, struct drm_atomic_state *state) { - struct drm_device *drm = dev_get_drvdata(hub->client.parent); struct drm_private_state *priv; - WARN_ON(!drm_modeset_is_locked(&drm->mode_config.connection_mutex)); - priv = drm_atomic_get_private_obj_state(state, &hub->base); if (IS_ERR(priv)) return ERR_CAST(priv); |