[PATCH 1/1] drm/amdgpu: Flush TLB after mapping for VG20+XGMI

[Tomasz Moń]

On Mon, 2022-04-04 at 15:18 -0400, Alex Deucher wrote:
> On Mon, Apr 4, 2022 at 3:03 PM Tomasz Moń <desowin at gmail.com> wrote:
> > On top of what commit does this work?
> > 
> > It does not apply at top of v5.18-rc1.
> 
> This is stuff for drm-next
> (https://gitlab.freedesktop.org/agd5f/linux/-/commits/drm-next).
> E.g., 5.19.

This does not compile on current drm-next, just like I noted in the
next paragraph of my email.

> > It does apply, but fails to compile, on top of "drm/amdkfd: Create
> > file
> > descriptor after client is added to smi_clients list" that is
> > commit:
> >    * cbe879c87245ce6272afe6456dbc8ce2c8f38d64 in amd-staging-drm-
> > next
> >    * e45422695c196dbc665a95526c85ff4b8752aff2 in drm-next
> > fetched from https://gitlab.freedesktop.org/agd5f/linux.git
> > 
> > The compile error is due to flush_tlb being undeclared.

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c: In function ‘amdgpu_vm_bo_update_mapping’:
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:845:9: error: ‘flush_tlb’ undeclared (first use in this function); did you mean ‘kfd_flush_tlb’?
  845 |         flush_tlb |= (adev->gmc.xgmi.num_physical_nodes &&
      |         ^~~~~~~~~
      |         kfd_flush_tlb
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:845:9: note: each undeclared identifier is reported only once for each function it appears in

Best Regards,
Tomasz Mon