On 11/13/2025 6:40 PM, Konrad Dybcio wrote:
> On 11/10/25 5:37 PM, Akhil P Oommen wrote:
>> A8x GMU configuration are very similar to A7x. Unfortunately, there are
>> minor shuffling in the register offsets in the GMU CX register region.
>> Apart from that, there is a new HFI message support to pass table like
>> data. This patch adds support for perf table using this new HFI
>> message.
>>
>> Apart from that, there is a minor rework in a6xx_gmu_rpmh_arc_votes_init()
>> to simplify handling of MxG to MxA fallback along with the additional
>> calculations for the new dependency vote.
>>
>> Signed-off-by: Akhil P Oommen <[email protected]>
>> ---
>
> [...]
>
>> /* Make sure there are no outstanding RPMh votes */
>> @@ -990,7 +1022,8 @@ static void a6xx_gmu_rpmh_off(struct a6xx_gmu *gmu)
>> gmu_poll_timeout_rscc(gmu, REG_A6XX_RSCC_TCS3_DRV0_STATUS + seqmem_off,
>> val, (val & 1), 100, 1000);
>>
>> - if (!adreno_is_a740_family(adreno_gpu))
>> +
>> + if (!adreno_is_a740_family(adreno_gpu) && !adreno_is_a8xx(adreno_gpu))
>
> stray double \n above
Ack
>
> [...]
>
>> /* Check to see if we are doing a cold or warm boot */
>> - if (adreno_is_a7xx(adreno_gpu)) {
>> + if (adreno_is_a7xx(adreno_gpu) || adreno_is_a8xx(adreno_gpu)) {
>> status = a6xx_llc_read(a6xx_gpu, REG_A7XX_CX_MISC_TCM_RET_CNTL)
>> == 1 ?
>
> You skipped writing to this register above - can we count on it
> always being in the right state?
Warmboot is done differently in A8x. We can explore that later. This
fine for now.
>
> Do we need to map VRB, or is that a topic for the future?
Yes.
-Akhil
>
> Konrad
