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dma-buf: use the new iterator in dma_buf_debug_show 

Simplifying the code a bit.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211005113742.1101-9-christian.koenig@amd.com
This commit is contained in:
Christian König 2021-09-23 10:28:42 +02:00
parent 5baaac3184
commit 63639d013a
1 changed files with 6 additions and 18 deletions
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24
drivers/dma-buf/dma-buf.c
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@ -1356,10 +1356,9 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
{
struct dma_buf *buf_obj;
struct dma_buf_attachment *attach_obj;
struct dma_resv *robj;
struct dma_resv_list *fobj;
struct dma_resv_iter cursor;
struct dma_fence *fence;
int count = 0, attach_count, shared_count, i;
int count = 0, attach_count;
size_t size = 0;
int ret;
@ -1386,21 +1385,10 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
file_inode(buf_obj->file)->i_ino,
buf_obj->name ?: "");
robj = buf_obj->resv;
fence = dma_resv_excl_fence(robj);
if (fence)
seq_printf(s, "\tExclusive fence: %s %s %ssignalled\n",
fence->ops->get_driver_name(fence),
fence->ops->get_timeline_name(fence),
dma_fence_is_signaled(fence) ? "" : "un");
fobj = rcu_dereference_protected(robj->fence,
dma_resv_held(robj));
shared_count = fobj ? fobj->shared_count : 0;
for (i = 0; i < shared_count; i++) {
fence = rcu_dereference_protected(fobj->shared[i],
dma_resv_held(robj));
seq_printf(s, "\tShared fence: %s %s %ssignalled\n",
dma_resv_for_each_fence(&cursor, buf_obj->resv, true, fence) {
seq_printf(s, "\t%s fence: %s %s %ssignalled\n",
dma_resv_iter_is_exclusive(&cursor) ?
"Exclusive" : "Shared",
fence->ops->get_driver_name(fence),
fence->ops->get_timeline_name(fence),
dma_fence_is_signaled(fence) ? "" : "un");