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accel/ivpu: Do not fail on cmdq if failed to allocate preemption buffers

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Allow to proceed with job command queue creation even if preemption
buffers failed to be allocated, print warning that preemption on such
command queue will be disabled.

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>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930195322.461209-26-jacek.lawrynowicz@linux.intel.com
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
This commit is contained in:
Karol Wachowski
2024-09-30 21:53:16 +02:00
committed by Jacek Lawrynowicz
parent 1bc92a517b
commit 08eb99ce91
1 changed files with 16 additions and 11 deletions
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27
drivers/accel/ivpu/ivpu_job.c
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@@ -60,6 +60,7 @@ static int ivpu_preemption_buffers_create(struct ivpu_device *vdev,
err_free_primary:
ivpu_bo_free(cmdq->primary_preempt_buf);
cmdq->primary_preempt_buf = NULL;
return -ENOMEM;
}
@@ -69,10 +70,10 @@ static void ivpu_preemption_buffers_free(struct ivpu_device *vdev,
if (vdev->fw->sched_mode != VPU_SCHEDULING_MODE_HW)
return;
drm_WARN_ON(&vdev->drm, !cmdq->primary_preempt_buf);
drm_WARN_ON(&vdev->drm, !cmdq->secondary_preempt_buf);
ivpu_bo_free(cmdq->primary_preempt_buf);
ivpu_bo_free(cmdq->secondary_preempt_buf);
if (cmdq->primary_preempt_buf)
ivpu_bo_free(cmdq->primary_preempt_buf);
if (cmdq->secondary_preempt_buf)
ivpu_bo_free(cmdq->secondary_preempt_buf);
}
static int ivpu_id_alloc(struct xarray *xa, u32 *id, void *entry, struct xa_limit *limit,
@@ -120,12 +121,10 @@ static struct ivpu_cmdq *ivpu_cmdq_alloc(struct ivpu_file_priv *file_priv)
ret = ivpu_preemption_buffers_create(vdev, file_priv, cmdq);
if (ret)
goto err_free_cmdq_mem;
ivpu_warn(vdev, "Failed to allocate preemption buffers, preemption limited\n");
return cmdq;
err_free_cmdq_mem:
ivpu_bo_free(cmdq->mem);
err_erase_xa:
xa_erase(&vdev->db_xa, cmdq->db_id);
err_free_cmdq:
@@ -388,10 +387,16 @@ static int ivpu_cmdq_push_job(struct ivpu_cmdq *cmdq, struct ivpu_job *job)
if (vdev->fw->sched_mode == VPU_SCHEDULING_MODE_HW &&
(unlikely(!(ivpu_test_mode & IVPU_TEST_MODE_PREEMPTION_DISABLE)))) {
entry->primary_preempt_buf_addr = cmdq->primary_preempt_buf->vpu_addr;
entry->primary_preempt_buf_size = ivpu_bo_size(cmdq->primary_preempt_buf);
entry->secondary_preempt_buf_addr = cmdq->secondary_preempt_buf->vpu_addr;
entry->secondary_preempt_buf_size = ivpu_bo_size(cmdq->secondary_preempt_buf);
if (cmdq->primary_preempt_buf) {
entry->primary_preempt_buf_addr = cmdq->primary_preempt_buf->vpu_addr;
entry->primary_preempt_buf_size = ivpu_bo_size(cmdq->primary_preempt_buf);
}
if (cmdq->secondary_preempt_buf) {
entry->secondary_preempt_buf_addr = cmdq->secondary_preempt_buf->vpu_addr;
entry->secondary_preempt_buf_size =
ivpu_bo_size(cmdq->secondary_preempt_buf);
}
}
wmb(); /* Ensure that tail is updated after filling entry */