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path: root/drivers/gpu/drm/drm_fb_cma_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_fb_cma_helper.c')
-rw-r--r--drivers/gpu/drm/drm_fb_cma_helper.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c
index 3742bc9..1b6ba2d 100644
--- a/drivers/gpu/drm/drm_fb_cma_helper.c
+++ b/drivers/gpu/drm/drm_fb_cma_helper.c
@@ -389,8 +389,10 @@ EXPORT_SYMBOL_GPL(drm_fbdev_cma_fini);
*/
void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma)
{
+ drm_modeset_lock_all(dev);
if (fbdev_cma)
drm_fb_helper_restore_fbdev_mode(&fbdev_cma->fb_helper);
+ drm_modeset_unlock_all(dev);
}
EXPORT_SYMBOL_GPL(drm_fbdev_cma_restore_mode);