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| author |   Christian König <ckoenig.leichtzumerken@gmail.com> | 2021-07-02 13:16:42 +0200 |
|---|---|---|
| committer |   Christian König <christian.koenig@amd.com> | 2021-07-09 12:30:37 +0200 |
| commit | 60f800b2bdfafa350e642c4e77dc646a008f2111 (patch) | |
| tree | e42f5f1e5528382052781cfa656dc1b79f325397 /drivers | |
| parent | drm/gma500: Fix end of loop tests for list_for_each_entry (diff) | |
| download | wireguard-linux-60f800b2bdfafa350e642c4e77dc646a008f2111.tar.xz wireguard-linux-60f800b2bdfafa350e642c4e77dc646a008f2111.zip | |
drm/msm: always wait for the exclusive fence
Drivers also need to to sync to the exclusive fence when
a shared one is present.
Completely untested since the driver won't even compile on !ARM.
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210702111642.17259-5-christian.koenig@amd.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index a94a43de95ef..72a07e311de3 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -817,17 +817,15 @@ int msm_gem_sync_object(struct drm_gem_object *obj, struct dma_fence *fence; int i, ret; - fobj = dma_resv_shared_list(obj->resv); - if (!fobj || (fobj->shared_count == 0)) { - fence = dma_resv_excl_fence(obj->resv); - /* don't need to wait on our own fences, since ring is fifo */ - if (fence && (fence->context != fctx->context)) { - ret = dma_fence_wait(fence, true); - if (ret) - return ret; - } + fence = dma_resv_excl_fence(obj->resv); + /* don't need to wait on our own fences, since ring is fifo */ + if (fence && (fence->context != fctx->context)) { + ret = dma_fence_wait(fence, true); + if (ret) + return ret; } + fobj = dma_resv_shared_list(obj->resv); if (!exclusive || !fobj) return 0; |