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accel/ivpu: Move secondary preemption buffer allocation to DMA range

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Secondary preemption buffer is accessible by NPU's DMA and can be
allocated with addresses above 4 GB. Move secondary preemption buffer
allocation from SHAVE range which is much smaller (2GB) to DMA range.
This allows to allocate more command queues with corresponding
preemption buffers without running out of address range.

Signed-off-by: Karol Wachowski <karol.wachowski@intel.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241017145817.121590-12-jacek.lawrynowicz@linux.intel.com
This commit is contained in:
Karol Wachowski 2024-10-17 16:58:17 +02:00 committed by Jacek Lawrynowicz
parent 83b6fa5844
commit e91191efe7
1 changed files with 1 additions and 1 deletions
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2
drivers/accel/ivpu/ivpu_job.c
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@ -46,7 +46,7 @@ static int ivpu_preemption_buffers_create(struct ivpu_device *vdev,
return -ENOMEM;
}
cmdq->secondary_preempt_buf = ivpu_bo_create(vdev, &file_priv->ctx, &vdev->hw->ranges.shave,
cmdq->secondary_preempt_buf = ivpu_bo_create(vdev, &file_priv->ctx, &vdev->hw->ranges.dma,
secondary_size, DRM_IVPU_BO_WC);
if (!cmdq->secondary_preempt_buf) {
ivpu_err(vdev, "Failed to create secondary preemption buffer\n");