On 13.06.2025 16:43, Mario Limonciello wrote: > From: Mario Limonciello <mario.limoncie...@amd.com> > > Currently swap is restricted before drivers have had a chance to do their > prepare() PM callbacks. Restricting swap this early means that if a driver > needs to evict some content from memory into sawp in it's prepare callback > it won't be able to. > > On AMD dGPUs this can lead to failed suspends under memory pressure > situations as all VRAM must be evicted to system memory or swap. > > Move the swap restriction to right after all devices have had a chance to > do the prepare() callback. If there is any problem with the sequence, > restore swap in the appropriate dpm resume callbacks or error handling > paths. > > Closes: https://github.com/ROCm/ROCK-Kernel-Driver/issues/174 > Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/2362 > Signed-off-by: Mario Limonciello <mario.limoncie...@amd.com>
Tested this against 6.15.3 and 6.16-rc3. Adding my tag. Tested-by: Lucian Langa <lucila...@7pot.org>
