diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-05 09:27:05 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-05 09:27:05 +0200 |
commit | 8bc39bca5e3e8da0d62f7f4d67fdbeecab02b350 (patch) | |
tree | ac5df85133c64167381acb33086e154724148dc2 /drivers/gpu/drm/msm/msm_gem_submit.c | |
parent | 094094a9373fbea80ec00714eed5c24f6fd39ecf (diff) | |
parent | 3c2993b8c6143d8a5793746a54eba8f86f95240f (diff) |
Merge 4.12-rc4 into tty-next
We want the tty locking fix in here, so that maybe we can finally get it
fixed for real...
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem_submit.c')
-rw-r--r-- | drivers/gpu/drm/msm/msm_gem_submit.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index 1c545ebe6a5a..7832e6421d25 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -410,12 +410,11 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, if (!in_fence) return -EINVAL; - /* TODO if we get an array-fence due to userspace merging multiple - * fences, we need a way to determine if all the backing fences - * are from our own context.. + /* + * Wait if the fence is from a foreign context, or if the fence + * array contains any fence from a foreign context. */ - - if (in_fence->context != gpu->fctx->context) { + if (!dma_fence_match_context(in_fence, gpu->fctx->context)) { ret = dma_fence_wait(in_fence, true); if (ret) return ret; @@ -496,8 +495,9 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, goto out; } - if ((submit_cmd.size + submit_cmd.submit_offset) >= - msm_obj->base.size) { + if (!submit_cmd.size || + ((submit_cmd.size + submit_cmd.submit_offset) > + msm_obj->base.size)) { DRM_ERROR("invalid cmdstream size: %u\n", submit_cmd.size); ret = -EINVAL; goto out; |