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drm/msm: use new iterator in msm_gem_describe

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Simplifying the code a bit. Also drop the RCU read side lock since the
object is locked anyway.

Untested since I can't get the driver to compile on !ARM.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20211005113742.1101-15-christian.koenig@amd.com
This commit is contained in:
Christian König 2021-06-16 09:19:37 +02:00
parent a0a8e75948
commit 8315e2975e
1 changed files with 5 additions and 14 deletions
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19
drivers/gpu/drm/msm/msm_gem.c
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@ -880,7 +880,7 @@ void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m,
{
struct msm_gem_object *msm_obj = to_msm_bo(obj);
struct dma_resv *robj = obj->resv;
struct dma_resv_list *fobj;
struct dma_resv_iter cursor;
struct dma_fence *fence;
struct msm_gem_vma *vma;
uint64_t off = drm_vma_node_start(&obj->vma_node);
@ -955,22 +955,13 @@ void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m,
seq_puts(m, "\n");
}
rcu_read_lock();
fobj = dma_resv_shared_list(robj);
if (fobj) {
unsigned int i, shared_count = fobj->shared_count;
for (i = 0; i < shared_count; i++) {
fence = rcu_dereference(fobj->shared[i]);
dma_resv_for_each_fence(&cursor, robj, true, fence) {
if (dma_resv_iter_is_exclusive(&cursor))
describe_fence(fence, "Exclusive", m);
else
describe_fence(fence, "Shared", m);
}
}
fence = dma_resv_excl_fence(robj);
if (fence)
describe_fence(fence, "Exclusive", m);
rcu_read_unlock();
msm_gem_unlock(obj);
}