drm/amdgpu: remove scheduler fence list v2
Unused and missing proper locking.
v2: add locking comment to commit message.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com> (v1)
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index 90abefe..39577f6 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -195,7 +195,6 @@
entity->fence_context = fence_context_alloc(1);
snprintf(name, sizeof(name), "c_entity[%llu]", entity->fence_context);
memcpy(entity->name, name, 20);
- INIT_LIST_HEAD(&entity->fence_list);
if(kfifo_alloc(&entity->job_queue,
jobs * sizeof(void *),
GFP_KERNEL))
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
index aa94203..5e35018 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
@@ -53,7 +53,6 @@
wait_queue_head_t wait_emit;
bool is_pending;
uint64_t fence_context;
- struct list_head fence_list;
char name[20];
};
@@ -78,7 +77,6 @@
struct amd_sched_fence {
struct fence base;
struct fence_cb cb;
- struct list_head list;
struct amd_sched_entity *entity;
uint64_t v_seq;
spinlock_t lock;
diff --git a/drivers/gpu/drm/amd/scheduler/sched_fence.c b/drivers/gpu/drm/amd/scheduler/sched_fence.c
index 8ee77ed..a475159 100644
--- a/drivers/gpu/drm/amd/scheduler/sched_fence.c
+++ b/drivers/gpu/drm/amd/scheduler/sched_fence.c
@@ -27,16 +27,7 @@
#include <drm/drmP.h>
#include "gpu_scheduler.h"
-static void amd_sched_fence_wait_cb(struct fence *f, struct fence_cb *cb)
-{
- struct amd_sched_fence *fence =
- container_of(cb, struct amd_sched_fence, cb);
- list_del_init(&fence->list);
- fence_put(&fence->base);
-}
-
-struct amd_sched_fence *amd_sched_fence_create(
- struct amd_sched_entity *s_entity)
+struct amd_sched_fence *amd_sched_fence_create(struct amd_sched_entity *s_entity)
{
struct amd_sched_fence *fence = NULL;
fence = kzalloc(sizeof(struct amd_sched_fence), GFP_KERNEL);
@@ -49,14 +40,6 @@
&fence->lock,
s_entity->fence_context,
fence->v_seq);
- fence_get(&fence->base);
- list_add_tail(&fence->list, &s_entity->fence_list);
- if (fence_add_callback(&fence->base,&fence->cb,
- amd_sched_fence_wait_cb)) {
- fence_put(&fence->base);
- kfree(fence);
- return NULL;
- }
return fence;
}