On Fri, 24 May 2024 18:14:01 +0200, Dylan Van Assche wrote:
> * About *
>
> The Qualcomm SDM845 SoC has a separate SLPI (Sensor Low Power Island)
> DSP for sensors connected to the SoC which is responsible for exposing
> sensors to userspace, power saving, and other features.
> While sensors are connected to GPIOs of the SoC, they cannot be used
> because the hypervisor blocks direct access to the sensors, thus the
> DSP must be used to access any sensor on this SoC. The SLPI DSP uses a
> GLink edge (dsps) to communicate with the host and has a FastRPC interface
> to load files from the host filesystem such as sensor configuration files.
> The FastRPC interface does not use regular FastRPC Compute Banks
> but instead uses an allocated CMA region through which communication happens.
>
> [...]
Applied, thanks!
[1/2] misc: fastrpc: support complete DMA pool access to the DSP
commit: 9cee10334bdfa9db771b006fe2eba060f8719687
[2/2] misc: fastrpc: use coherent pool for untranslated Compute Banks
commit: 0ff3de43062785462d9acede2987f35525b1c0ba
Best regards,
--
Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
