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drm/amdgpu: Report correct compute partition mode on GFX 12.1

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PSP programs the NBIO partition status register. In the absence of PSP,
read the current compute partition from the GFX IMU register instead of
NBIO.

Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Alex Sierra <alex.sierra@amd.com>
Reviewed-by: Michael Chen <michael.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mukul Joshi 2025-08-08 17:33:59 -04:00 committed by Alex Deucher
parent b78ec282bb
commit fd25254f0b
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/soc_v1_0.c
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@ -379,7 +379,7 @@ static int soc_v1_0_query_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr)
mode = AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE;
derv_mode = __soc_v1_0_calc_xcp_mode(xcp_mgr);
if (amdgpu_sriov_vf(adev))
if (amdgpu_sriov_vf(adev) || !adev->psp.funcs)
return derv_mode;
if (adev->nbio.funcs &&