提交 3cfac69c 编写于 作者: P Philipp Zabel 提交者: Rob Clark

drm/msm: for array in-fences, check if all backing fences are from our own context before waiting

Use the dma_fence_match_context helper to check if all backing fences
are from our own context, in which case we don't have to wait.
Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Gustavo Padovan <gustavo.padovan@collabora.com>
[rebased on code-motion]
Signed-off-by: NRob Clark <robdclark@gmail.com>
上级 c43dd227
......@@ -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;
......
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