diff options
| author | Thomas Hellstrom <thellstrom@vmware.com> | 2015-06-25 21:00:39 +0200 |
|---|---|---|
| committer | Thomas Hellstrom <thellstrom@vmware.com> | 2015-08-05 14:01:05 +0200 |
| commit | ee511a835a681ee147666a0c85b96f8a43aae2d5 (patch) | |
| tree | 93a2e9855b324e95f6fd3de0829f27ba26a7a57d /drivers | |
| parent | drm/vmwgfx: Add command buffer support v3 (diff) | |
| download | linux-ee511a835a681ee147666a0c85b96f8a43aae2d5.tar.xz linux-ee511a835a681ee147666a0c85b96f8a43aae2d5.zip | |
drm/vmwgfx: Fix an overlay lockdep error
Fix a circular locking dependency between
struct vmw_overlay::mutex and
struct vmw_private::reservation_sem
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index 210ef15b1d09..3fd80701771a 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -900,20 +900,21 @@ int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), vmw_user_stream_size, false, true); + ttm_read_unlock(&dev_priv->reservation_sem); if (unlikely(ret != 0)) { if (ret != -ERESTARTSYS) DRM_ERROR("Out of graphics memory for stream" " creation.\n"); - goto out_unlock; - } + goto out_ret; + } stream = kmalloc(sizeof(*stream), GFP_KERNEL); if (unlikely(stream == NULL)) { ttm_mem_global_free(vmw_mem_glob(dev_priv), vmw_user_stream_size); ret = -ENOMEM; - goto out_unlock; + goto out_ret; } res = &stream->stream.res; @@ -926,7 +927,7 @@ int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, ret = vmw_stream_init(dev_priv, &stream->stream, vmw_user_stream_free); if (unlikely(ret != 0)) - goto out_unlock; + goto out_ret; tmp = vmw_resource_reference(res); ret = ttm_base_object_init(tfile, &stream->base, false, VMW_RES_STREAM, @@ -940,8 +941,7 @@ int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, arg->stream_id = res->id; out_err: vmw_resource_unreference(&res); -out_unlock: - ttm_read_unlock(&dev_priv->reservation_sem); +out_ret: return ret; } |