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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index ffb13a66e288..0dc3a4ebd5d3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -33,9 +33,7 @@ static void amdgpu_ctx_do_release(struct kref *ref)
ctx = container_of(ref, struct amdgpu_ctx, refcount);
mgr = &ctx->fpriv->ctx_mgr;
- mutex_lock(&mgr->hlock);
idr_remove(&mgr->ctx_handles, ctx->id);
- mutex_unlock(&mgr->hlock);
kfree(ctx);
}
@@ -49,20 +47,20 @@ int amdgpu_ctx_alloc(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv, uin
if (!ctx)
return -ENOMEM;
- mutex_lock(&mgr->hlock);
+ mutex_lock(&mgr->lock);
r = idr_alloc(&mgr->ctx_handles, ctx, 0, 0, GFP_KERNEL);
if (r < 0) {
- mutex_unlock(&mgr->hlock);
+ mutex_unlock(&mgr->lock);
kfree(ctx);
return r;
}
- mutex_unlock(&mgr->hlock);
*id = (uint32_t)r;
memset(ctx, 0, sizeof(*ctx));
ctx->id = *id;
ctx->fpriv = fpriv;
kref_init(&ctx->refcount);
+ mutex_unlock(&mgr->lock);
return 0;
}
@@ -72,13 +70,14 @@ int amdgpu_ctx_free(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv, uint
struct amdgpu_ctx *ctx;
struct amdgpu_ctx_mgr *mgr = &fpriv->ctx_mgr;
- rcu_read_lock();
+ mutex_lock(&mgr->lock);
ctx = idr_find(&mgr->ctx_handles, id);
- rcu_read_unlock();
if (ctx) {
kref_put(&ctx->refcount, amdgpu_ctx_do_release);
+ mutex_unlock(&mgr->lock);
return 0;
}
+ mutex_unlock(&mgr->lock);
return -EINVAL;
}
@@ -87,14 +86,15 @@ int amdgpu_ctx_query(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv, uin
struct amdgpu_ctx *ctx;
struct amdgpu_ctx_mgr *mgr = &fpriv->ctx_mgr;
- rcu_read_lock();
+ mutex_lock(&mgr->lock);
ctx = idr_find(&mgr->ctx_handles, id);
- rcu_read_unlock();
if (ctx) {
/* state should alter with CS activity */
*state = ctx->state;
+ mutex_unlock(&mgr->lock);
return 0;
}
+ mutex_unlock(&mgr->lock);
return -EINVAL;
}
@@ -111,7 +111,7 @@ void amdgpu_ctx_fini(struct amdgpu_fpriv *fpriv)
DRM_ERROR("ctx (id=%ul) is still alive\n",ctx->id);
}
- mutex_destroy(&mgr->hlock);
+ mutex_destroy(&mgr->lock);
}
int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,