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Fri, 10 May 2024 09:12:29 +0000 From: "Peng Fan (OSS)" Date: Fri, 10 May 2024 17:19:10 +0800 Subject: [PATCH v2 15/17] clk: imx: imx8qxp: Register dc0_bypass0_clk before disp clk Message-Id: <20240510-imx-clk-v2-15-c998f315d29c@nxp.com> References: <20240510-imx-clk-v2-0-c998f315d29c@nxp.com> In-Reply-To: <20240510-imx-clk-v2-0-c998f315d29c@nxp.com> To: Abel Vesa , Michael Turquette , Stephen Boyd , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Jacky Bai , Ye Li , Dong Aisheng Cc: linux-clk@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Abel Vesa , Peng Fan X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1715332748; l=1742; i=peng.fan@nxp.com; s=20230812; h=from:subject:message-id; bh=/aYZoW8KghW9QdRWN1taneDgZ0S6szdiimpOLxZFTlY=; b=TG5sK2y1TFPLysKYrlukXdzb1kYpaV3z4zljJImbEh5LLXJW0bua1Wp9GmSo6TE1hcuglyUN+ 7C7RJzrR8R8Dd8xmKnPJvzIEH+LC0vxSQ0HvkNecqwYN3m/NnADLNUe X-Developer-Key: i=peng.fan@nxp.com; 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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 --- drivers/clk/imx/clk-imx8qxp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/clk/imx/clk-imx8qxp.c b/drivers/clk/imx/clk-imx8qxp.c index fe6509be6ce9..47f4ceab1179 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);