Re: [PATCH RFC 00/18] accel/qda: Introduce Qualcomm DSP Accelerator driver

[Ekansh Gupta]

On 2/24/2026 9:09 AM, Trilok Soni wrote:
> On 2/23/2026 11:08 AM, Ekansh Gupta wrote:
>> * Userspace Interface: While the driver provides a new DRM-based UAPI,
>>   the underlying FastRPC protocol and DSP firmware interface remain
>>   compatible. This ensures that DSP firmware and libraries continue to
>>   work without modification.
>
> This is not very clear and it is not explained properly in the 1st patch
> where you document this driver. It doesn't talk about how older
> UAPI based application will still work without any change
> or recompilation. I prefer the same old binary to work w/ the new
> DRM based interface without any changes (I don't know how that will be possible)
> OR if recompilation + linking is needed then you need to provide the wrapper library.
I'll add more details for this based on the discussion for compat driver.
>
> ---Trilok Soni