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authorJason Ekstrand <jason@jlekstrand.net>2021-07-20 13:13:55 -0500
committerChristian König <christian.koenig@amd.com>2021-07-21 08:34:43 +0200
commit235c3610d5f02ee91244239b43cd9ae8b4859dff (patch)
tree61990eca9c2f0230d0f797cf3e74d37deb85f10f /drivers/gpu
parent3abab27c322e0f2acf981595aa8040c9164dc9fb (diff)
drm/ttm: Force re-init if ttm_global_init() fails
If we have a failure, decrement the reference count so that the next call to ttm_global_init() will actually do something instead of assume everything is all set up. Signed-off-by: Jason Ekstrand <jason@jlekstrand.net> Fixes: 62b53b37e4b1 ("drm/ttm: use a static ttm_bo_global instance") Reviewed-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210720181357.2760720-5-jason@jlekstrand.net Signed-off-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/ttm/ttm_device.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c
index 5f31acec3ad7..519deea8e39b 100644
--- a/drivers/gpu/drm/ttm/ttm_device.c
+++ b/drivers/gpu/drm/ttm/ttm_device.c
@@ -100,6 +100,8 @@ static int ttm_global_init(void)
debugfs_create_atomic_t("buffer_objects", 0444, ttm_debugfs_root,
&glob->bo_count);
out:
+ if (ret)
+ --ttm_glob_use_count;
mutex_unlock(&ttm_global_mutex);
return ret;
}