[PATCH AUTOSEL 6.18] arm64: dts: imx8mq: Set the correct gpu_ahb clock frequency

Sasha Levin
2026-04-20T13:33:33Z

From: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>

[ Upstream commit 1f99b5d93d99ca17d50b386a674d0ce1f20932d8 ]

According to i.MX 8M Quad Reference Manual, GPU_AHB_CLK_ROOT's maximum
frequency is 400MHz.

Fixes: 45d2c84eb3a2 ("arm64: dts: imx8mq: add GPU node")
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

LLM Generated explanations, may be completely bogus:

Error: Failed to generate final synthesis

arch/arm64/boot/dts/freescale/imx8mq.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 607962f807beb..6a25e219832ce 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -1632,7 +1632,7 @@ gpu: gpu@38000000 {
<&clk IMX8MQ_GPU_PLL_OUT>,
<&clk IMX8MQ_GPU_PLL>;
assigned-clock-rates = <800000000>, <800000000>,
- <800000000>, <800000000>, <0>;
+ <800000000>, <400000000>, <0>;
power-domains = <&pgc_gpu>;
};

--
2.53.0