From e91191efe75a94ae10fac4b384962068a8151886 Mon Sep 17 00:00:00 2001
From: Karol Wachowski <karol.wachowski@intel.com>
Date: Thu, 17 Oct 2024 16:58:17 +0200
Subject: [PATCH] accel/ivpu: Move secondary preemption buffer allocation to
DMA range
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
---
drivers/accel/ivpu/ivpu_job.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/accel/ivpu/ivpu_job.c b/drivers/accel/ivpu/ivpu_job.c
index 39ba6d3d8b0de..7149312f16e19 100644
--- a/drivers/accel/ivpu/ivpu_job.c
+++ b/drivers/accel/ivpu/ivpu_job.c
@@ -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");
--
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