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| author | Alex Sierra <alex.sierra@amd.com> | 2021-05-12 19:02:33 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-07-01 07:05:41 +0300 |
| commit | 3bf8282c6b9454422a24b1c443ece80ab325c389 (patch) | |
| tree | fec564f40601ed9982d5325029930834b001b1d6 /drivers/gpu | |
| parent | 6ffecc946fada1c39455e89488dba57941e81659 (diff) | |
| download | linux-3bf8282c6b9454422a24b1c443ece80ab325c389.tar.xz | |
drm/amdkfd: add invalid pages debug at vram migration
This is for debug purposes only.
It conditionally generates partial migrations to test mixed
CPU/GPU memory domain pages in a prange easily.
Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c index 610f33f7c2af..3a51384cd0a1 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c @@ -353,6 +353,20 @@ out_free_vram_pages: } } +#ifdef DEBUG_FORCE_MIXED_DOMAINS + for (i = 0, j = 0; i < npages; i += 4, j++) { + if (j & 1) + continue; + svm_migrate_put_vram_page(adev, dst[i]); + migrate->dst[i] = 0; + svm_migrate_put_vram_page(adev, dst[i + 1]); + migrate->dst[i + 1] = 0; + svm_migrate_put_vram_page(adev, dst[i + 2]); + migrate->dst[i + 2] = 0; + svm_migrate_put_vram_page(adev, dst[i + 3]); + migrate->dst[i + 3] = 0; + } +#endif out: return r; } |