[PATH] drm/loongson: fix vga client not unregist

[yaolu]

From: Lu Yao <ya...@kylinos.cn>

Need set vgadev->set_decode to NULL when pci_remove.

Signed-off-by: Lu Yao <ya...@kylinos.cn>
---
 drivers/gpu/drm/loongson/lsdc_drv.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/loongson/lsdc_drv.c 
b/drivers/gpu/drm/loongson/lsdc_drv.c
index 6cd21480c979..79bb61278aa7 100644
--- a/drivers/gpu/drm/loongson/lsdc_drv.c
+++ b/drivers/gpu/drm/loongson/lsdc_drv.c
@@ -327,6 +327,7 @@ static void lsdc_pci_remove(struct pci_dev *pdev)
        struct drm_device *ddev = pci_get_drvdata(pdev);
 
        drm_dev_unregister(ddev);
+       vga_client_unregister(pdev);
        drm_atomic_helper_shutdown(ddev);
 }
 
-- 
2.25.1