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SubjectRe: [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@mediatek.com> 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@mediatek.com>
>>>>> CC: Irui Wang <irui.wang@mediatek.com>
>>>>> Signed-off-by: Yong Wu <yong.wu@mediatek.com>
>>>>> Reviewed-by: Evan Green <evgreen@chromium.org>
>>>>> Acked-by: Tiffany Lin <tiffany.lin@mediatek.com>
>>>>> ---
>>>>> .../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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