6.12-stable review patch. If anyone has any objections, please let me know.
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From: Karol Wachowski karol.wachowski@intel.com
[ Upstream commit 08eb99ce911d3ea202f79b42b96cd6e8498f7f69 ]
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... Signed-off-by: Jacek Lawrynowicz jacek.lawrynowicz@linux.intel.com Stable-dep-of: a47e36dc5d90 ("accel/ivpu: Trigger device recovery on engine reset/resume failure") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/accel/ivpu/ivpu_job.c | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-)
diff --git a/drivers/accel/ivpu/ivpu_job.c b/drivers/accel/ivpu/ivpu_job.c index 27121c66e48f8..58d64a221a1e0 100644 --- a/drivers/accel/ivpu/ivpu_job.c +++ b/drivers/accel/ivpu/ivpu_job.c @@ -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 struct ivpu_cmdq *ivpu_cmdq_alloc(struct ivpu_file_priv *file_priv) @@ -98,12 +99,10 @@ 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: @@ -363,10 +362,16 @@ 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 */