diff options
| author | Flora Cui <Flora.Cui@amd.com> | 2016-12-02 16:51:20 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-12-06 18:08:34 -0500 |
| commit | 47e50d5c0d1347b3ab66d2270a45adc200fca31a (patch) | |
| tree | 6f4b7fdd778b937c7ecae4c23664316734d74793 /drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | |
| parent | 10e2ca346bf74561ff1b7fff6287716ab976cd8c (diff) | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c index 3c634f02a3d5..00f46b0e076d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c @@ -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; } /** |