drm/msm: call drm_put_dev directly in ->remove

The drvdata pointer is already assigned to something useful.

Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/msm/msm_drv.c

@@ -783,7 +783,7 @@ static int msm_pdev_probe(struct platform_device *pdev)
 
 static int msm_pdev_remove(struct platform_device *pdev)
 {
-	drm_platform_exit(&msm_driver, pdev);
+	drm_put_dev(platform_get_drvdata(pdev));
 
 	return 0;
 }