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drm/amdgpu: update ref_cnt before ctx free 

Update ref_cnt before ctx free.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Acked-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
James Zhu 2022-08-15 17:21:44 -04:00 committed by Alex Deucher
parent 9a18292d41
commit 3e7c6fe387
3 changed files with 23 additions and 2 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
View File

@ -266,7 +266,8 @@ error_free_entity:
return r;
}
static ktime_t amdgpu_ctx_fini_entity(struct amdgpu_ctx_entity *entity)
static ktime_t amdgpu_ctx_fini_entity(struct amdgpu_device *adev,
struct amdgpu_ctx_entity *entity)
{
ktime_t res = ns_to_ktime(0);
int i;
@ -279,6 +280,8 @@ static ktime_t amdgpu_ctx_fini_entity(struct amdgpu_ctx_entity *entity)
dma_fence_put(entity->fences[i]);
}
amdgpu_xcp_release_sched(adev, entity);
kfree(entity);
return res;
}
@ -412,7 +415,7 @@ static void amdgpu_ctx_fini(struct kref *ref)
for (j = 0; j < AMDGPU_MAX_ENTITY_NUM; ++j) {
ktime_t spend;
spend = amdgpu_ctx_fini_entity(ctx->entities[i][j]);
spend = amdgpu_ctx_fini_entity(adev, ctx->entities[i][j]);
atomic64_add(ktime_to_ns(spend), &mgr->time_spend[i]);
}
}

16
drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
View File

@ -366,3 +366,19 @@ int amdgpu_xcp_open_device(struct amdgpu_device *adev,
return 0;
}
void amdgpu_xcp_release_sched(struct amdgpu_device *adev,
struct amdgpu_ctx_entity *entity)
{
struct drm_gpu_scheduler *sched;
struct amdgpu_ring *ring;
if (!adev->xcp_mgr)
return;
sched = entity->entity.rq->sched;
if (sched->ready) {
ring = to_amdgpu_ring(entity->entity.rq->sched);
atomic_dec(&adev->xcp_mgr->xcp[ring->xcp_id].ref_cnt);
}
}

2
drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h
View File

@ -128,6 +128,8 @@ void amdgpu_xcp_dev_unplug(struct amdgpu_device *adev);
int amdgpu_xcp_open_device(struct amdgpu_device *adev,
struct amdgpu_fpriv *fpriv,
struct drm_file *file_priv);
void amdgpu_xcp_release_sched(struct amdgpu_device *adev,
struct amdgpu_ctx_entity *entity);
#define amdgpu_xcp_select_scheds(adev, e, c, d, x, y) \
((adev)->xcp_mgr && (adev)->xcp_mgr->funcs && \