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video: rockchip: 3399 vop: fix pwm config done lead to iommu pagefault
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
video
/
rockchip
/
rk_fb.c
diff --git
a/drivers/video/rockchip/rk_fb.c
b/drivers/video/rockchip/rk_fb.c
index 32625a8b113778dfc42844d7236783757b2dab62..968a25d36b69ae65b1402d43a8c95101067158ce 100644
(file)
--- a/
drivers/video/rockchip/rk_fb.c
+++ b/
drivers/video/rockchip/rk_fb.c
@@
-673,7
+673,8
@@
int rk_fb_set_vop_pwm(void)
return -1;
mutex_lock(&dev_drv->win_config);
- dev_drv->ops->cfg_done(dev_drv);
+ if (dev_drv->ops->extern_func)
+ dev_drv->ops->extern_func(dev_drv, UPDATE_CABC_PWM);
mutex_unlock(&dev_drv->win_config);
return 0;