Re: [PATCH v2 5/7] drm/msm/adreno: Add A702 support

[Konrad Dybcio]

On 23.05.2024 2:14 PM, Connor Abbott wrote:
> On Fri, Feb 23, 2024 at 9:28 PM Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> wrote:
>>
>> The A702 is a weird mix of 600 and 700 series.. Perhaps even a
>> testing ground for some A7xx features with good ol' A6xx silicon.
>> It's basically A610 that's been beefed up with some new registers
>> and hw features (like APRIV!), that was then cut back in size,
>> memory bus and some other ways.
>>
>> Add support for it, tested with QCM2290 / RB1.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
>> ---

[...]

>> +
>> +       if (adreno_is_a702(gpu)) {
>> +               gpu->ubwc_config.highest_bank_bit = 14;
>> +               gpu->ubwc_config.min_acc_len = 1;
>> +               gpu->ubwc_config.ubwc_mode = 2;
> 
> I just noticed, but this is wrong. ubwc_mode is a 1 bit field and what
> this is actually doing is overwriting hbb_lo, making the highest bank
> bit 15 instead of 14.

You're right, this should be a 0. Thanks!

Konrad