Re: [PATCH v5 13/16] media: mtk-vcodec: Get rid of mtk_smi_larb_get/put

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On 10/06/2021 14:02, Yong Wu wrote:
> On Thu, 2021-06-10 at 09:53 +0200, Matthias Brugger wrote:
>> Hi Yong,
>>
>> On 12/05/2021 14:29, Yong Wu wrote:
>>> On Wed, 2021-05-12 at 17:20 +0800, Hsin-Yi Wang wrote:
>>>> On Sat, Apr 10, 2021 at 5:14 PM Yong Wu <yong.wu@xxxxxxxxxxxx> wrote:
>>>>>
>>>>> MediaTek IOMMU has already added the device_link between the consumer
>>>>> and smi-larb device. If the vcodec device call the pm_runtime_get_sync,
>>>>> the smi-larb's pm_runtime_get_sync also be called automatically.
>>>>>
>>>>> CC: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
>>>>> CC: Irui Wang <irui.wang@xxxxxxxxxxxx>
>>>>> Signed-off-by: Yong Wu <yong.wu@xxxxxxxxxxxx>
>>>>> Reviewed-by: Evan Green <evgreen@xxxxxxxxxxxx>
>>>>> Acked-by: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
>>>>> ---
>>>>>  .../platform/mtk-vcodec/mtk_vcodec_dec_pm.c   | 37 ++-------------
>>>>>  .../platform/mtk-vcodec/mtk_vcodec_drv.h      |  3 --
>>>>>  .../platform/mtk-vcodec/mtk_vcodec_enc.c      |  1 -
>>>>>  .../platform/mtk-vcodec/mtk_vcodec_enc_pm.c   | 46 ++-----------------
>>>>>  4 files changed, 10 insertions(+), 77 deletions(-)
>>>
>>> [...]
>>>
>>>>> @@ -108,13 +80,6 @@ void mtk_vcodec_enc_clock_on(struct mtk_vcodec_pm *pm)
>>>>>                 }
>>>>>         }
>>>>>
>>>>> -       ret = mtk_smi_larb_get(pm->larbvenc);
>>>>> -       if (ret) {
>>>>> -               mtk_v4l2_err("mtk_smi_larb_get larb3 fail %d", ret);
>>>>> -               goto clkerr;
>>>>> -       }
>>>>> -       return;
>>>>
>>>> You can't delete the return; here, otherwise vcodec_clk will be turned
>>>> off immediately after they are turned on.
>>>
>>> Thanks very much for your review.
>>>
>>> Sorry for this. You are quite right.
>>>
>>> I checked this, it was introduced in v4 when I rebase the code. I will
>>> fix it in next time.
>>>
>>
>> Please also make sure that you add all maintainers. I realized that at least for
>> the media/platform drivers we miss the maintainer and the corresponding mailing
>> list.
>> This is especially important in this series, as it spans several subsystems.
> 
> Thanks for hint. I only added the file maintainer here. I will add
> linux-media in next version.
> 
> By the way, this patchset cross several trees, then which tree should it
> go through. Do you have some suggestion?
> 

That's a good question. I think the media tree would be a good candidate, as it
has the biggest bunch of patches. But that would mean that Joerg is fine that.
The DTS part could still go through my tree.

Regards,
Matthias



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