[PATCH 08/16] drm/amdkfd: remove redundant kfd_event_waiter.input_index

[Felix Kuehling]

This always identical with the index of the event_waiter in the array.
No need to store it in the waiter record.

Signed-off-by: Felix Kuehling <felix.kuehl...@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_events.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
index 6050e88..949b80a 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
@@ -49,7 +49,6 @@ struct kfd_event_waiter {
 
        /* Event */
        struct kfd_event *event;
-       uint32_t input_index;
 };
 
 /*
@@ -625,8 +624,7 @@ static struct kfd_event_waiter 
*alloc_event_waiters(uint32_t num_events)
 
 static int init_event_waiter_get_status(struct kfd_process *p,
                struct kfd_event_waiter *waiter,
-               uint32_t event_id,
-               uint32_t input_index)
+               uint32_t event_id)
 {
        struct kfd_event *ev = lookup_event_by_id(p, event_id);
 
@@ -634,7 +632,6 @@ static int init_event_waiter_get_status(struct kfd_process 
*p,
                return -EINVAL;
 
        waiter->event = ev;
-       waiter->input_index = input_index;
        waiter->activated = ev->signaled;
        ev->signaled = ev->signaled && !ev->auto_reset;
 
@@ -702,7 +699,7 @@ static int copy_signaled_event_data(uint32_t num_events,
                waiter = &event_waiters[i];
                event = waiter->event;
                if (waiter->activated && event->type == KFD_EVENT_TYPE_MEMORY) {
-                       dst = &data[waiter->input_index].memory_exception_data;
+                       dst = &data[i].memory_exception_data;
                        src = &event->memory_exception_data;
                        if (copy_to_user(dst, src,
                                sizeof(struct kfd_hsa_memory_exception_data)))
@@ -775,7 +772,7 @@ int kfd_wait_on_events(struct kfd_process *p,
                }
 
                ret = init_event_waiter_get_status(p, &event_waiters[i],
-                               event_data.event_id, i);
+                               event_data.event_id);
                if (ret)
                        goto out_unlock;
        }
-- 
2.7.4

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