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path: root/drivers/gpu/drm/msm/msm_gem_submit.c
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Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem_submit.c')
-rw-r--r--drivers/gpu/drm/msm/msm_gem_submit.c14
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;