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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_kms.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c16
1 files changed, 3 insertions, 13 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 941a7bc0b791..173ec3377e4f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1828,9 +1828,7 @@ vmw_du_connector_detect(struct drm_connector *connector, bool force)
struct vmw_private *dev_priv = vmw_priv(dev);
struct vmw_display_unit *du = vmw_connector_to_du(connector);
- mutex_lock(&dev_priv->hw_mutex);
num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
- mutex_unlock(&dev_priv->hw_mutex);
return ((vmw_connector_to_du(connector)->unit < num_displays &&
du->pref_active) ?
@@ -2035,23 +2033,17 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
int i;
struct drm_mode_config *mode_config = &dev->mode_config;
- ret = ttm_read_lock(&dev_priv->reservation_sem, true);
- if (unlikely(ret != 0))
- return ret;
-
if (!arg->num_outputs) {
struct drm_vmw_rect def_rect = {0, 0, 800, 600};
vmw_du_update_layout(dev_priv, 1, &def_rect);
- goto out_unlock;
+ return 0;
}
rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
GFP_KERNEL);
- if (unlikely(!rects)) {
- ret = -ENOMEM;
- goto out_unlock;
- }
+ if (unlikely(!rects))
+ return -ENOMEM;
user_rects = (void __user *)(unsigned long)arg->rects;
ret = copy_from_user(rects, user_rects, rects_size);
@@ -2076,7 +2068,5 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
out_free:
kfree(rects);
-out_unlock:
- ttm_read_unlock(&dev_priv->reservation_sem);
return ret;
}