Re: [PATCH v3 3/4] arm64: dts: qcom: sdm630: describe adsp_mem region properly

From: Nickolay Goppen

Date: Mon Apr 27 2026 - 11:20:46 EST


27.04.2026 14:49, Konrad Dybcio пишет:
On 4/22/26 5:39 PM, Nickolay Goppen wrote:
Downstream [1] this region is marked as shared, reusable and dynamic so
describe it that way.

[1]: https://github.com/xiaomi-sdm660/android_kernel_xiaomi_sdm660/blob/11-EAS/arch/arm/boot/dts/qcom/sdm660.dtsi#L448

Signed-off-by: Nickolay Goppen <setotau@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sdm630.dtsi | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
index 4b47efdb57b2..36b419dea153 100644
--- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
@@ -494,9 +494,12 @@ venus_region: venus@9f800000 {
no-map;
};
- adsp_mem: adsp-region@f6000000 {
- reg = <0x0 0xf6000000 0x0 0x800000>;
- no-map;
+ adsp_mem: adsp-region {
+ compatible = "shared-dma-pool";
+ alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;
Please make this = <0x0 0x80000000 0x0 0x80000000>; instead, since the RAM
starts at 0x80000000

+Alexey Min found out that on 3 GiB xiaomi-lavender RAM starts at 0x40000000

40000000-855fffff : System RAM
  40080000-41bfffff : Kernel code
  42600000-42fd0fff : Kernel data
88f00000-8abfffff : System RAM
95000000-feabffff : System RAM

Konrad

--
Best regards,
Nickolay