[AMD Official Use Only - AMD Internal Distribution Only]
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@xxxxxxx>
-----Original Message-----
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Sreekant Somasekharan
Sent: Friday, September 20, 2024 12:14 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Somasekharan, Sreekant <Sreekant.Somasekharan@xxxxxxx>
Subject: [PATCH] drm/amdkfd: Add SDMA queue quantum support for GFX12
program SDMAx_QUEUEx_SCHEDULE_CNTL for context switch due to
quantum in KFD for GFX12.
Signed-off-by: Sreekant Somasekharan <sreekant.somasekharan@xxxxxxx>
---
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c
index d163d92a692f..2b72d5b4949b 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c
@@ -341,6 +341,10 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
m->sdmax_rlcx_doorbell_offset =
q->doorbell_off << SDMA0_QUEUE0_DOORBELL_OFFSET__OFFSET__SHIFT;
+ m->sdmax_rlcx_sched_cntl = (amdgpu_sdma_phase_quantum
+ << SDMA0_QUEUE0_SCHEDULE_CNTL__CONTEXT_QUANTUM__SHIFT)
+ & SDMA0_QUEUE0_SCHEDULE_CNTL__CONTEXT_QUANTUM_MASK;
+
m->sdma_engine_id = q->sdma_engine_id;
m->sdma_queue_id = q->sdma_queue_id;
--
2.34.1
