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path: root/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
index 80320a6c8854..97933d2a3803 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
@@ -495,6 +495,10 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
m->sdma_engine_id = q->sdma_engine_id;
m->sdma_queue_id = q->sdma_queue_id;
m->sdmax_rlcx_dummy_reg = SDMA_RLC_DUMMY_DEFAULT;
+ /* Allow context switch so we don't cross-process starve with a massive
+ * command buffer of long-running SDMA commands
+ */
+ m->sdmax_rlcx_ib_cntl |= SDMA0_GFX_IB_CNTL__SWITCH_INSIDE_IB_MASK;
q->is_active = QUEUE_IS_ACTIVE(*q);
}