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author | Ingo Molnar <mingo@kernel.org> | 2016-06-14 09:17:42 (GMT) |
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committer | Ingo Molnar <mingo@kernel.org> | 2016-06-14 09:17:42 (GMT) |
commit | 245050c287a9176cee9f98109df101909c1eeef4 (patch) | |
tree | 77358451bcc85e3fa2ab824240d5b351894ce74c /drivers/gpu/drm/vc4/vc4_kms.c | |
parent | d4c3be70ca0e7a1ae308bedd3462900c61e97b11 (diff) | |
parent | db06d759d6cf903aeda8c107fd3abd366dd80200 (diff) | |
download | linux-245050c287a9176cee9f98109df101909c1eeef4.tar.xz |
Merge branch 'linus' into locking/core, to pick up fixes before merging new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_kms.c')
-rw-r--r-- | drivers/gpu/drm/vc4/vc4_kms.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index cb37751..861a623 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -117,10 +117,18 @@ static int vc4_atomic_commit(struct drm_device *dev, return -ENOMEM; /* Make sure that any outstanding modesets have finished. */ - ret = down_interruptible(&vc4->async_modeset); - if (ret) { - kfree(c); - return ret; + if (nonblock) { + ret = down_trylock(&vc4->async_modeset); + if (ret) { + kfree(c); + return -EBUSY; + } + } else { + ret = down_interruptible(&vc4->async_modeset); + if (ret) { + kfree(c); + return ret; + } } ret = drm_atomic_helper_prepare_planes(dev, state); |