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drm/amdkfd: Add SDMA queue quantum support for GFX12.1

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program SDMAx_QUEUEx_SCHEDULE_CNTL for context switch due to
    quantum in KFD for GFX12.1

Signed-off-by: Gang Ba <Gang.Ba@amd.com>
Reviewed-by: Amber Lin <Amber.Lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Gang Ba
2025-08-07 11:14:43 -04:00
committed by Alex Deucher
parent 16592e7591
commit bf93f1fe50
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12_1.c
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@@ -358,6 +358,10 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
m->sdmax_rlcx_doorbell_offset =
q->doorbell_off << SDMA0_SDMA_QUEUE0_DOORBELL_OFFSET__OFFSET__SHIFT;
m->sdmax_rlcx_sched_cntl = (amdgpu_sdma_phase_quantum
<< SDMA0_SDMA_QUEUE0_SCHEDULE_CNTL__CONTEXT_QUANTUM__SHIFT)
& SDMA0_SDMA_QUEUE0_SCHEDULE_CNTL__CONTEXT_QUANTUM_MASK;
m->sdma_engine_id = q->sdma_engine_id;
m->sdma_queue_id = q->sdma_queue_id;