MGS-2483 Increase the gpu 2d and 3d frequency to 475M Hz on 7ULP

Increase the gpu 2d and 3d frequency to 475M Hz on 7ULP

Signed-off-by: Yuchou Gan <yuchou.gan@nxp.com>
Date: Dec 20, 2016

diff --git a/drivers/clk/imx/clk-imx7ulp.c b/drivers/clk/imx/clk-imx7ulp.c
index 225d1c1..06bdd84 100644 (file)
--- a/drivers/clk/imx/clk-imx7ulp.c
+++ b/drivers/clk/imx/clk-imx7ulp.c
@@ -175,6 +175,10 @@ static void __init imx7ulp_clocks_init(struct device_node *scg_node)
 
        for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
                imx_clk_prepare_enable(clks[clks_init_on[i]]);
+        imx_clk_set_parent(clks[IMX7ULP_CLK_GPU2D], clks[IMX7ULP_CLK_APLL_PFD2]);
+        imx_clk_set_parent(clks[IMX7ULP_CLK_GPU3D], clks[IMX7ULP_CLK_APLL_PFD2]);
+        imx_clk_prepare_enable(clks[IMX7ULP_CLK_GPU3D]);
+        imx_clk_prepare_enable(clks[IMX7ULP_CLK_GPU2D]);
 
        pr_info("i.MX7ULP clock tree init done.\n");
 }