linux-kernel - Re: [PATCH] accel/amdxdna: Fix incorrect command state for timed out job

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Message-ID: <cac0eb0f-7e91-f68d-8cbd-f6bf9586afca@amd.com>
Date: Wed, 29 Oct 2025 12:05:54 -0700
From: Lizhi Hou <lizhi.hou@....com>
To: Mario Limonciello <mario.limonciello@....com>, <ogabbay@...nel.org>,
	<quic_jhugo@...cinc.com>, <maciej.falkowski@...ux.intel.com>,
	<dri-devel@...ts.freedesktop.org>
CC: <linux-kernel@...r.kernel.org>, <max.zhen@....com>, <sonal.santan@....com>
Subject: Re: [PATCH] accel/amdxdna: Fix incorrect command state for timed out
 job


On 10/29/25 07:28, Mario Limonciello wrote:
> On 10/28/25 12:54 PM, Lizhi Hou wrote:
>> When a command times out, mark it as ERT_CMD_STATE_TIMEOUT. Any other
>> commands that are canceled due to this timeout should be marked as
>> ERT_CMD_STATE_ABORT.
>>
>> Fixes: aac243092b70 ("accel/amdxdna: Add command execution")
>> Signed-off-by: Lizhi Hou <lizhi.hou@....com>
>> ---
>>   drivers/accel/amdxdna/aie2_ctx.c    | 12 ++++++++++--
>>   drivers/accel/amdxdna/amdxdna_ctx.h |  1 +
>>   2 files changed, 11 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/accel/amdxdna/aie2_ctx.c 
>> b/drivers/accel/amdxdna/aie2_ctx.c
>> index c6c473c78352..958a64bb5251 100644
>> --- a/drivers/accel/amdxdna/aie2_ctx.c
>> +++ b/drivers/accel/amdxdna/aie2_ctx.c
>> @@ -204,10 +204,12 @@ aie2_sched_resp_handler(void *handle, void 
>> __iomem *data, size_t size)
>>         cmd_abo = job->cmd_bo;
>>   -    if (unlikely(!data))
>> +    if (unlikely(job->job_timeout)) {
>> +        amdxdna_cmd_set_state(cmd_abo, ERT_CMD_STATE_TIMEOUT);
>>           goto out;
>> +    }
>>   -    if (unlikely(size != sizeof(u32))) {
>> +    if (unlikely(!data) || unlikely(size != sizeof(u32))) {
>>           amdxdna_cmd_set_state(cmd_abo, ERT_CMD_STATE_ABORT);
>>           ret = -EINVAL;
>>           goto out;
>> @@ -258,6 +260,11 @@ aie2_sched_cmdlist_resp_handler(void *handle, 
>> void __iomem *data, size_t size)
>>       int ret = 0;
>>         cmd_abo = job->cmd_bo;
>> +    if (unlikely(job->job_timeout)) {
>> +        amdxdna_cmd_set_state(cmd_abo, ERT_CMD_STATE_TIMEOUT);
>
> Don't you need to set ret here?

Yes. I should set ret to -EINVAL for a timed out request.


Thanks

Lizhi

>
>> +        goto out;
>> +    }
>> +
>>       if (unlikely(!data) || unlikely(size != sizeof(u32) * 3)) {
>>           amdxdna_cmd_set_state(cmd_abo, ERT_CMD_STATE_ABORT);
>>           ret = -EINVAL;
>> @@ -370,6 +377,7 @@ aie2_sched_job_timedout(struct drm_sched_job 
>> *sched_job)
>>         xdna = hwctx->client->xdna;
>>       trace_xdna_job(sched_job, hwctx->name, "job timedout", job->seq);
>> +    job->job_timeout = true;
>>       mutex_lock(&xdna->dev_lock);
>>       aie2_hwctx_stop(xdna, hwctx, sched_job);
>>   diff --git a/drivers/accel/amdxdna/amdxdna_ctx.h 
>> b/drivers/accel/amdxdna/amdxdna_ctx.h
>> index cbe60efbe60b..919c654dfea6 100644
>> --- a/drivers/accel/amdxdna/amdxdna_ctx.h
>> +++ b/drivers/accel/amdxdna/amdxdna_ctx.h
>> @@ -116,6 +116,7 @@ struct amdxdna_sched_job {
>>       /* user can wait on this fence */
>>       struct dma_fence    *out_fence;
>>       bool            job_done;
>> +    bool            job_timeout;
>>       u64            seq;
>>       struct amdxdna_drv_cmd    *drv_cmd;
>>       struct amdxdna_gem_obj    *cmd_bo;
>