[PATCH AUTOSEL 6.18] arm64: dts: imx8mq: Set the correct gpu_ahb clock frequency
From: Sasha Levin
Date: Mon Apr 20 2026 - 11:04:57 EST
From: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@xxxxxxx>
[ 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@xxxxxxx>
Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@xxxxxxx>
Reviewed-by: Peng Fan <peng.fan@xxxxxxx>
Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>
Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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