[PATCH 17/29] accel/ivpu: Add test_mode bit to force turbo

[Jeffrey Hugo]

On 9/30/2024 5:01 AM, Jacek Lawrynowicz wrote:
> On 9/27/2024 11:25 PM, Jeffrey Hugo wrote:
>> On 9/24/2024 2:17 AM, Jacek Lawrynowicz wrote:
>>> From: Andrzej Kacprowski <Andrzej.Kacprowski at intel.com>
>>>
>>> Add new test_mode BIT(9) that forces firmware to
>>> enable turbo burst mode.
>>>
>>> Signed-off-by: Andrzej Kacprowski <Andrzej.Kacprowski at intel.com>
>>> Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz at linux.intel.com>
>>> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz at linux.intel.com>
>>> ---
>>>    drivers/accel/ivpu/ivpu_drv.h | 1 +
>>>    drivers/accel/ivpu/ivpu_job.c | 5 +++++
>>>    2 files changed, 6 insertions(+)
>>>
>>> diff --git a/drivers/accel/ivpu/ivpu_drv.h b/drivers/accel/ivpu/ivpu_drv.h
>>> index 9acef14deab57..151ab9f2ddc9b 100644
>>> --- a/drivers/accel/ivpu/ivpu_drv.h
>>> +++ b/drivers/accel/ivpu/ivpu_drv.h
>>> @@ -197,6 +197,7 @@ extern bool ivpu_force_snoop;
>>>    #define IVPU_TEST_MODE_PREEMPTION_DISABLE BIT(6)
>>>    #define IVPU_TEST_MODE_HWS_EXTRA_EVENTS      BIT(7)
>>>    #define IVPU_TEST_MODE_DISABLE_TIMEOUTS   BIT(8)
>>> +#define IVPU_TEST_MODE_TURBO          BIT(9)
>>>    extern int ivpu_test_mode;
>>>      struct ivpu_file_priv *ivpu_file_priv_get(struct ivpu_file_priv *file_priv);
>>> diff --git a/drivers/accel/ivpu/ivpu_job.c b/drivers/accel/ivpu/ivpu_job.c
>>> index 8798fb2046abc..dc5cf7ded9439 100644
>>> --- a/drivers/accel/ivpu/ivpu_job.c
>>> +++ b/drivers/accel/ivpu/ivpu_job.c
>>> @@ -202,6 +202,11 @@ ivpu_cmdq_init(struct ivpu_file_priv *file_priv, struct ivpu_cmdq *cmdq, u16 eng
>>>        jobq_header->engine_idx = engine;
>>>        jobq_header->head = 0;
>>>        jobq_header->tail = 0;
>>> +    if (ivpu_test_mode & IVPU_TEST_MODE_TURBO) {
>>> +        ivpu_dbg(vdev, JOB, "Turbo mode enabled");
>>> +        jobq_header->flags = VPU_JOB_QUEUE_FLAGS_TURBO_MODE;
>>
>> I don't see VPU_JOB_QUEUE_FLAGS_TURBO_MODE defined.  What am I missing?
>>
> 
> VPU_JOB_QUEUE_FLAGS_TURBO_MODE is defined in FW headers.
> It was added to the FW years ago and now we've started using it in the Linux driver.

Err, I missed that this is defined back in patch 1 of the series.  I'm 
good now.

Reviewed-by: Jeffrey Hugo <quic_jhugo at quicinc.com>