[PATCH v2] arm64: dts: imx8mq: Set the correct gpu_ahb clock frequency
Sebastian Krzyszkowiak
sebastian.krzyszkowiak at puri.sm
Tue Jan 27 15:28:28 PST 2026
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 at nxp.com>
Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak at puri.sm>
---
Changes in v2:
- added Fixes trailer as suggested by Fabio Estevam
- Link to v1: https://lore.kernel.org/r/20260124-imx8mq-gpu-ahb-clock-v1-1-11c2e7c857b7@puri.sm
---
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 607962f807be..6a25e219832c 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -1632,7 +1632,7 @@ gpu: gpu at 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>;
};
---
base-commit: 24d479d26b25bce5faea3ddd9fa8f3a6c3129ea7
change-id: 20260105-imx8mq-gpu-ahb-clock-139ba9ca9a6c
Best regards,
--
Sebastian Krzyszkowiak <sebastian.krzyszkowiak at puri.sm>
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