Re: [PATCH v1] soc: qcom: geni-se: Increase MAX_GENI_CFG_RAMn_CNT to 1020

[Konrad Dybcio]

On 6/15/26 2:00 PM, Konrad Dybcio wrote:
> On 6/15/26 7:28 AM, Viken Dadhaniya wrote:
>>
>>
>> On 6/9/2026 8:40 PM, Konrad Dybcio wrote:
>>> On 5/22/26 9:21 AM, Viken Dadhaniya wrote:
>>>> The current MAX_GENI_CFG_RAMn_CNT value of 455 is insufficient for
>>>> certain Qualcomm SoCs whose GENI firmware requires up to 1020 RAM
>>>> entries, causing incorrect bounds checking and preventing firmware
>>>> loading on those targets.
>>>>
>>>> Increase MAX_GENI_CFG_RAMn_CNT to 1020 to match the hardware-supported
>>>> limit and ensure correct handling of configuration RAM regions across
>>>> GENI-based SE blocks.
>>>>
>>>> Signed-off-by: Viken Dadhaniya <viken.dadhaniya@xxxxxxxxxxxxxxxx>
>>>> ---
>>>>  drivers/soc/qcom/qcom-geni-se.c | 2 +-
>>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>>
>>>> diff --git a/drivers/soc/qcom/qcom-geni-se.c b/drivers/soc/qcom/qcom-geni-se.c
>>>> index cd1779b6a91a..d0810960f3da 100644
>>>> --- a/drivers/soc/qcom/qcom-geni-se.c
>>>> +++ b/drivers/soc/qcom/qcom-geni-se.c
>>>> @@ -152,7 +152,7 @@ struct se_fw_hdr {
>>>>  /*Magic numbers*/
>>>>  #define SE_MAGIC_NUM			0x57464553
>>>>  
>>>> -#define MAX_GENI_CFG_RAMn_CNT		455
>>>> +#define MAX_GENI_CFG_RAMn_CNT		1020
>>>
>>> Is there any SoC where this could overflow the register space
>>> (you say "certain Qualcomm SoCs")?
>>
>> Yes, on Talos (QCS615), the firmware image needs more than 455 CFG RAM
>> entries, so the previous limit could overflow.
> 
> What I'm asking is whether the size of the RAM on any of the SoCs
> is less than 455 (the previous limit)

*Less than 1020 (the new limit), of course..

Konrad