From: Peng Fan Date: Fri, 7 Jun 2024 13:33:45 +0000 (+0800) Subject: clk: imx: imx8qxp: Register dc0_bypass0_clk before disp clk X-Git-Tag: v6.12-rc1~83^2~2^4^2^2~5 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e61352d5ecdc0da2e7253121c15d9a3e040f78a1;p=thirdparty%2Fkernel%2Fstable.git clk: imx: imx8qxp: Register dc0_bypass0_clk before disp clk The initialization order of SCU clocks affects the sequence of SCU clock resume. If there are no other effects, the earlier the initialization, the earlier the resume. During SCU clock resume, the clock rate is restored. As SCFW guidelines, configure the parent clock rate before configuring the child rate. Fixes: 91e916771de0 ("clk: imx: scu: remove legacy scu clock binding support") Signed-off-by: Peng Fan Reviewed-by: Abel Vesa Link: https://lore.kernel.org/r/20240607133347.3291040-14-peng.fan@oss.nxp.com Signed-off-by: Abel Vesa --- diff --git a/drivers/clk/imx/clk-imx8qxp.c b/drivers/clk/imx/clk-imx8qxp.c index fe6509be6ce94..47f4ceab11794 100644 --- a/drivers/clk/imx/clk-imx8qxp.c +++ b/drivers/clk/imx/clk-imx8qxp.c @@ -222,11 +222,11 @@ static int imx8qxp_clk_probe(struct platform_device *pdev) imx_clk_scu("usb3_lpm_div", IMX_SC_R_USB_2, IMX_SC_PM_CLK_MISC); /* Display controller SS */ - imx_clk_scu2("dc0_disp0_clk", dc0_sels, ARRAY_SIZE(dc0_sels), IMX_SC_R_DC_0, IMX_SC_PM_CLK_MISC0); - imx_clk_scu2("dc0_disp1_clk", dc0_sels, ARRAY_SIZE(dc0_sels), IMX_SC_R_DC_0, IMX_SC_PM_CLK_MISC1); imx_clk_scu("dc0_pll0_clk", IMX_SC_R_DC_0_PLL_0, IMX_SC_PM_CLK_PLL); imx_clk_scu("dc0_pll1_clk", IMX_SC_R_DC_0_PLL_1, IMX_SC_PM_CLK_PLL); imx_clk_scu("dc0_bypass0_clk", IMX_SC_R_DC_0_VIDEO0, IMX_SC_PM_CLK_BYPASS); + imx_clk_scu2("dc0_disp0_clk", dc0_sels, ARRAY_SIZE(dc0_sels), IMX_SC_R_DC_0, IMX_SC_PM_CLK_MISC0); + imx_clk_scu2("dc0_disp1_clk", dc0_sels, ARRAY_SIZE(dc0_sels), IMX_SC_R_DC_0, IMX_SC_PM_CLK_MISC1); imx_clk_scu("dc0_bypass1_clk", IMX_SC_R_DC_0_VIDEO1, IMX_SC_PM_CLK_BYPASS); imx_clk_scu2("dc1_disp0_clk", dc1_sels, ARRAY_SIZE(dc1_sels), IMX_SC_R_DC_1, IMX_SC_PM_CLK_MISC0);