diff options
| author | Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> | 2026-02-12 20:13:26 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-02-19 20:16:11 +0300 |
| commit | 23c098b5fc89c17cec6b25ebe071f47a54b7d613 (patch) | |
| tree | 0147e970b8528ce82e96aee49b9b5d5d9087c476 | |
| parent | 09da66f139b43c217e22435d6e50b0d9960f5183 (diff) | |
| download | linux-23c098b5fc89c17cec6b25ebe071f47a54b7d613.tar.xz | |
drm/amdgpu: Set atomics to true for xgmi
xgmi support atomics between links. Set them to true. This only set for
GFX12 onwards to avoid regression on older generations
v2: Use correct xgmi flag that indicates CPU connection
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 0a0109be4d06..c3cb9570f0ba 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -4615,9 +4615,10 @@ int amdgpu_device_init(struct amdgpu_device *adev, /* APUs w/ gfx9 onwards doesn't reply on PCIe atomics, rather it is a * internal path natively support atomics, set have_atomics_support to true. */ - } else if ((adev->flags & AMD_IS_APU) && - (amdgpu_ip_version(adev, GC_HWIP, 0) > - IP_VERSION(9, 0, 0))) { + } else if ((adev->flags & AMD_IS_APU && + amdgpu_ip_version(adev, GC_HWIP, 0) > IP_VERSION(9, 0, 0)) || + (adev->gmc.xgmi.connected_to_cpu && + amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(12, 1, 0))) { adev->have_atomics_support = true; } else { adev->have_atomics_support = |