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

[Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>]

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@oss.qualcomm.com>
>> ---
>>  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.

> 
> Konrad