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| author | Christian König <christian.koenig@amd.com> | 2018-10-19 17:55:26 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-11-05 22:21:21 +0300 |
| commit | a64f784bb14a56bfdfad2dc397dd67e4564e3a29 (patch) | |
| tree | f2e55af233d82fc8365c4a39d59a897998c3081a /drivers/gpu/drm/ttm | |
| parent | 62b53b37e4b1500d4eb4624a44ad861cf8d3cd18 (diff) | |
| download | linux-a64f784bb14a56bfdfad2dc397dd67e4564e3a29.tar.xz | |
drm/ttm: initialize globals during device init (v2)
Make sure that the global BO state is always correctly initialized.
This allows removing all the device code to initialize it.
v2: fix up vbox (Alex)
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/ttm')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index d89183f95570..df028805b7e2 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1530,7 +1530,7 @@ static void ttm_bo_global_kobj_release(struct kobject *kobj) kfree(glob); } -void ttm_bo_global_release(void) +static void ttm_bo_global_release(void) { struct ttm_bo_global *glob = &ttm_bo_glob; @@ -1544,9 +1544,8 @@ void ttm_bo_global_release(void) out: mutex_unlock(&ttm_global_mutex); } -EXPORT_SYMBOL(ttm_bo_global_release); -int ttm_bo_global_init(void) +static int ttm_bo_global_init(void) { struct ttm_bo_global *glob = &ttm_bo_glob; int ret = 0; @@ -1583,8 +1582,6 @@ out: mutex_unlock(&ttm_global_mutex); return ret; } -EXPORT_SYMBOL(ttm_bo_global_init); - int ttm_bo_device_release(struct ttm_bo_device *bdev) { @@ -1623,18 +1620,25 @@ int ttm_bo_device_release(struct ttm_bo_device *bdev) drm_vma_offset_manager_destroy(&bdev->vma_manager); + if (!ret) + ttm_bo_global_release(); + return ret; } EXPORT_SYMBOL(ttm_bo_device_release); int ttm_bo_device_init(struct ttm_bo_device *bdev, - struct ttm_bo_global *glob, struct ttm_bo_driver *driver, struct address_space *mapping, uint64_t file_page_offset, bool need_dma32) { - int ret = -EINVAL; + struct ttm_bo_global *glob = &ttm_bo_glob; + int ret; + + ret = ttm_bo_global_init(); + if (ret) + return ret; bdev->driver = driver; @@ -1661,6 +1665,7 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev, return 0; out_no_sys: + ttm_bo_global_release(); return ret; } EXPORT_SYMBOL(ttm_bo_device_init); |