On Wednesday 12 May 2021 at 12:55:53 (+0200), Alexandre TORGUE wrote: > We saw that patches [1] and [2] cause issue on stable version (at least for > 5.4). As you said issue can be seen with above device tree and check in > /proc/iomem than gpu_reserved region is taken by the kernel as "System RAM". > > On v5.10 stream there are no issues seen taking patches [1]&[2] and the > reason is linked to patches [3]&[4] which have been introduced in v5.10.0. > Reverting them give me the same behavior than on stable version. Thanks for confirming. Given that the patches were not really fixes, I think reverting is still the best option. I've sent reverts to -stable for 5.4 and prior: https://lore.kernel.org/stable/20210512122853.3243417-1-qperret@xxxxxxxxxx/ Cheers, Quentin
