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| author | Xiaogang Chen <[email protected]> | 2025-01-13 23:35:59 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2025-02-13 02:02:55 +0000 |
| commit | 8544374c0f82edb285779f21b149826fe2c2977c (patch) | |
| tree | 3bbe31530395f9582da239f37354dca0c9acfe99 /drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | |
| parent | drm/amdgpu: Check RRMT status for JPEG v4.0.3 (diff) | |
| download | kernel-8544374c0f82edb285779f21b149826fe2c2977c.tar.gz kernel-8544374c0f82edb285779f21b149826fe2c2977c.zip | |
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 <[email protected]>
Reviewed-by: Felix Kuehling <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c')
0 files changed, 0 insertions, 0 deletions