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Code

drm/radeon: use new iterator in radeon_sync_resv

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Simplifying the code a bit.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20211005113742.1101-16-christian.koenig@amd.com
This commit is contained in:
Christian König 2021-06-16 09:23:50 +02:00
parent 8315e2975e
commit 0597ca7b43
1 changed files with 3 additions and 19 deletions
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22
drivers/gpu/drm/radeon/radeon_sync.c
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@ -91,33 +91,17 @@ int radeon_sync_resv(struct radeon_device *rdev,
struct dma_resv *resv,
bool shared)
{
struct dma_resv_list *flist;
struct dma_fence *f;
struct dma_resv_iter cursor;
struct radeon_fence *fence;
unsigned i;
struct dma_fence *f;
int r = 0;
/* always sync to the exclusive fence */
f = dma_resv_excl_fence(resv);
fence = f ? to_radeon_fence(f) : NULL;
if (fence && fence->rdev == rdev)
radeon_sync_fence(sync, fence);
else if (f)
r = dma_fence_wait(f, true);
flist = dma_resv_shared_list(resv);
if (shared || !flist || r)
return r;
for (i = 0; i < flist->shared_count; ++i) {
f = rcu_dereference_protected(flist->shared[i],
dma_resv_held(resv));
dma_resv_for_each_fence(&cursor, resv, shared, f) {
fence = to_radeon_fence(f);
if (fence && fence->rdev == rdev)
radeon_sync_fence(sync, fence);
else
r = dma_fence_wait(f, true);
if (r)
break;
}