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drm/amdgpu/gfx12.1: align mqd settings with KFD

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Make sure to set the quantum bits in the compute MQD
for better fairness across queues of the same priority.

Reviewed-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2026-03-04 09:23:31 -05:00
parent 309e1eacaa
commit 06036ac8da
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
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@ -2252,6 +2252,11 @@ static int gfx_v12_1_compute_mqd_init(struct amdgpu_device *adev, void *m,
mqd->cp_mqd_stride_size = prop->mqd_stride_size ? prop->mqd_stride_size :
AMDGPU_MQD_SIZE_ALIGN(adev->mqds[AMDGPU_HW_IP_COMPUTE].mqd_size);
tmp = REG_SET_FIELD(0, CP_HQD_QUANTUM, QUANTUM_EN, 1);
tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_SCALE, 1);
tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_DURATION, 1);
mqd->cp_hqd_quantum = tmp;
mqd->cp_hqd_active = prop->hqd_active;
return 0;