rkfb:add display lut set/read interface

[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 66dd7845a16afd7fc590083e7f248329d94beb25..dfea2ef440f7e54e210cd48487bf69ef88230422 100644 (file)
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -872,8 +872,14 @@ static int init_lcdc_device_driver(struct rk_lcdc_device_driver *dev_drv,
        dev_drv->get_disp_info  = def_drv->get_disp_info;
        dev_drv->ovl_mgr        = def_drv->ovl_mgr;
        dev_drv->fps_mgr        = def_drv->fps_mgr;
-       dev_drv->fb_get_layer   = def_drv->fb_get_layer;
-       dev_drv->fb_layer_remap = def_drv->fb_layer_remap;
+       if(def_drv->fb_get_layer)
+               dev_drv->fb_get_layer   = def_drv->fb_get_layer;
+       if(def_drv->fb_layer_remap)
+               dev_drv->fb_layer_remap = def_drv->fb_layer_remap;
+       if(def_drv->set_dsp_lut)
+               dev_drv->set_dsp_lut    = def_drv->set_dsp_lut;
+       if(def_drv->read_dsp_lut)
+               dev_drv->read_dsp_lut   = def_drv->read_dsp_lut;
        init_layer_par(dev_drv);
        init_completion(&dev_drv->frame_done);
        spin_lock_init(&dev_drv->cpl_lock);