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drm/amdgpu: fix gtt available page num accounting 

Signed-off-by: Flora Cui <Flora.Cui@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Flora Cui 2016-12-02 16:51:20 +08:00 committed by Alex Deucher
parent 10e2ca346b
commit 47e50d5c0d
1 changed files with 12 additions and 2 deletions
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14
drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
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@ -164,8 +164,10 @@ static int amdgpu_gtt_mgr_new(struct ttm_mem_type_manager *man,
spin_unlock(&mgr->lock);
node = kzalloc(sizeof(*node), GFP_KERNEL);
if (!node)
return -ENOMEM;
if (!node) {
r = -ENOMEM;
goto err_out;
}
node->start = AMDGPU_BO_INVALID_OFFSET;
node->size = mem->num_pages;
@ -176,12 +178,20 @@ static int amdgpu_gtt_mgr_new(struct ttm_mem_type_manager *man,
if (unlikely(r)) {
kfree(node);
mem->mm_node = NULL;
r = 0;
goto err_out;
}
} else {
mem->start = node->start;
}
return 0;
err_out:
spin_lock(&mgr->lock);
mgr->available += mem->num_pages;
spin_unlock(&mgr->lock);
return r;
}
/**