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| author | Xiaogang Chen <xiaogang.chen@amd.com> | 2025-01-14 02:35:59 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-02-13 05:02:55 +0300 |
| commit | 8544374c0f82edb285779f21b149826fe2c2977c (patch) | |
| tree | 3bbe31530395f9582da239f37354dca0c9acfe99 /drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | |
| parent | ca449221078983a4b70a77187e0ddb7445a3fce0 (diff) | |
| download | linux-8544374c0f82edb285779f21b149826fe2c2977c.tar.xz | |
drm/amdkfd: Have kfd driver use same PASID values from graphic driver
Current kfd driver has its own PASID value for a kfd process and uses it to
locate vm at interrupt handler or mapping between kfd process and vm. That
design is not working when a physical gpu device has multiple spatial
partitions, ex: adev in CPX mode. This patch has kfd driver use same pasid
values that graphic driver generated which is per vm per pasid.
These pasid values are passed to fw/hardware. We do not need change interrupt
handler though more pasid values are used. Also, pasid values at log are
replaced by user process pid; pasid values are not exposed to user. Users see
their process pids that have meaning in user space.
Signed-off-by: Xiaogang Chen <xiaogang.chen@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c')
0 files changed, 0 insertions, 0 deletions