Re: [PATCH v2] arm64: dts: qcom: sm6125-xiaomi-laurel-sprout: enlarge reserved_mem1

[Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>]

On 8/24/26 5:55 PM, Roman Linev wrote:
> sm6125.dtsi sizes reserved_mem1@46200000 at 0x2d00000 (45 MiB), so it
> ends at 0x48f00000. On laurel-sprout the firmware owns more than that:
> the downstream device tree describes the same base as

[...]

> +/*
> + * The firmware carveout at this base is larger on this device than the
> + * SoC dtsi assumes: downstream laurel_sprout describes it as
> + * removed_region@46200000 with a size of 0x4900000, ending exactly where
> + * camera_mem begins. The 28 MiB past the dtsi's 0x2d00000 is not the
> + * kernel's to allocate, and handing it to the buddy allocator wedges the
> + * machine under memory pressure.
> + */
> +&reserved_mem1 {
> +	reg = <0x0 0x46200000 0x0 0x4900000>;
> +};

Please update the common DTSI, it matches the reference fw map
and I'm very surprised the sony phone didn't crash without
that reservation

Konrad