271 	struct clk *grf_clk;  member
802 	 * register. And for RK3288 or other soc, this grf_clk must be NULL,  in dw_mipi_dsi_encoder_enable()
805 	ret = clk_prepare_enable(dsi->grf_clk);  in dw_mipi_dsi_encoder_enable()
807 		DRM_DEV_ERROR(dsi->dev, "Failed to enable grf_clk: %d\n", ret);  in dw_mipi_dsi_encoder_enable()
815 	clk_disable_unprepare(dsi->grf_clk);  in dw_mipi_dsi_encoder_enable()
967 	ret = clk_prepare_enable(dsi->grf_clk);  in dw_mipi_dsi_rockchip_bind()
969 		DRM_DEV_ERROR(dsi->dev, "Failed to enable grf_clk: %d\n", ret);  in dw_mipi_dsi_rockchip_bind()
977 	clk_disable_unprepare(dsi->grf_clk);  in dw_mipi_dsi_rockchip_bind()
1155 		ret = clk_prepare_enable(dsi->grf_clk);  in dw_mipi_dsi_dphy_init()
1162 		clk_disable_unprepare(dsi->grf_clk);  in dw_mipi_dsi_dphy_init()
1236 	ret = clk_prepare_enable(dsi->grf_clk);  in dw_mipi_dsi_dphy_power_on()
1238 		DRM_DEV_ERROR(dsi->dev, "Failed to enable grf_clk: %d\n", ret);  in dw_mipi_dsi_dphy_power_on()
1272 	clk_disable_unprepare(dsi->grf_clk);  in dw_mipi_dsi_dphy_power_on()
1279 	clk_disable_unprepare(dsi->grf_clk);  in dw_mipi_dsi_dphy_power_on()
1292 	ret = clk_prepare_enable(dsi->grf_clk);  in dw_mipi_dsi_dphy_power_off()
1294 		DRM_DEV_ERROR(dsi->dev, "Failed to enable grf_clk: %d\n", ret);  in dw_mipi_dsi_dphy_power_off()
1304 	clk_disable_unprepare(dsi->grf_clk);  in dw_mipi_dsi_dphy_power_off()
1330 		ret = clk_prepare_enable(dsi->grf_clk);  in dw_mipi_dsi_rockchip_resume()
1332 			DRM_DEV_ERROR(dsi->dev, "Failed to enable grf_clk: %d\n", ret);  in dw_mipi_dsi_rockchip_resume()
1340 		clk_disable_unprepare(dsi->grf_clk);  in dw_mipi_dsi_rockchip_resume()
1429 		dsi->grf_clk = devm_clk_get(dev, "grf");  in dw_mipi_dsi_rockchip_probe()
1430 		if (IS_ERR(dsi->grf_clk)) {  in dw_mipi_dsi_rockchip_probe()
1431 			ret = PTR_ERR(dsi->grf_clk);  in dw_mipi_dsi_rockchip_probe()
1432 			DRM_DEV_ERROR(dev, "Unable to get grf_clk: %d\n", ret);  in dw_mipi_dsi_rockchip_probe()