22.12.2021 22:30, Jon Hunter пишет:
>
> On 22/12/2021 19:01, Dmitry Osipenko wrote:
>
> ...
>
>> diff --git a/drivers/gpu/host1x/syncpt.c b/drivers/gpu/host1x/syncpt.c
>> index e08e331e46ae..8194826c9ce3 100644
>> --- a/drivers/gpu/host1x/syncpt.c
>> +++ b/drivers/gpu/host1x/syncpt.c
>> @@ -137,6 +137,15 @@ void host1x_syncpt_restore(struct host1x *host)
>> struct host1x_syncpt *sp_base = host->syncpt;
>> unsigned int i;
>>
>> + for (i = 0; i < host->info->nb_pts; i++) {
>> + /*
>> + * Unassign syncpt from channels for purposes of Tegra186
>> + * syncpoint protection. This prevents any channel from
>> + * accessing it until it is reassigned.
>> + */
>> + host1x_hw_syncpt_assign_to_channel(host, sp_base + i, NULL);
>> + }
>> +
>> for (i = 0; i < host1x_syncpt_nb_pts(host); i++)
>> host1x_hw_syncpt_restore(host, sp_base + i);
>>
>> @@ -352,13 +361,6 @@ int host1x_syncpt_init(struct host1x *host)
>> for (i = 0; i < host->info->nb_pts; i++) {
>> syncpt[i].id = i;
>> syncpt[i].host = host;
>> -
>> - /*
>> - * Unassign syncpt from channels for purposes of Tegra186
>> - * syncpoint protection. This prevents any channel from
>> - * accessing it until it is reassigned.
>> - */
>> - host1x_hw_syncpt_assign_to_channel(host, &syncpt[i], NULL);
>> }
>>
>> for (i = 0; i < host->info->nb_bases; i++)
>>
>
>
> Thanks! This fixed it!
I'll prepare proper patch with yours t-b, thank you.
