Re: [PATCH v2 12/17] drm/msm/a6xx: Add soft fuse detection support

[Akhil P Oommen]

On 3/27/2026 4:46 PM, Konrad Dybcio wrote:
> On 3/27/26 1:14 AM, Akhil P Oommen wrote:
>> Recent chipsets like Glymur supports a new mechanism for SKU detection.
>> A new CX_MISC register exposes the combined (or final) speedbin value
>> from both HW fuse register and the Soft Fuse register. Implement this new
>> SKU detection along with a new quirk to identify the GPUs that has soft
>> fuse support.
>>
>> There is a side effect of this patch on A4x and older series. The
>> speedbin field in the MSM_PARAM_CHIPID will be 0 instead of 0xffff. This
>> should be okay as Mesa correctly handles it. Speedbin was not even a
>> thing when those GPUs' support were added.
>>
>> Signed-off-by: Akhil P Oommen <akhilpo@xxxxxxxxxxxxxxxx>
>> ---
> 
> My comments here remain
> 
> https://lore.kernel.org/linux-arm-msm/20260324-a8xx-gpu-batch2-v1-0-fc95b8d9c017@xxxxxxxxxxxxxxxx/T/#mc97f65496ba60ecfc977bce1b5bb6d3922711ae3
> 

We can ignore the SOFTSKUDISABLED bit in the driver.

-Akhil.

> Konrad