Re: [PATCH v7,0/2] media: mediatek: vcodec: add hevc stateless decoder driver in MT8195

From: Hans Verkuil
Date: Wed May 24 2023 - 07:01:33 EST


Hi Yunfei,

On 24/05/2023 12:16, Yunfei Dong (董云飞) wrote:
> Hi Hans,
>
> Thanks for your suggestion.
>
> I don't understand your means very well, need to confirm with you
> again.
>
> hevc(v7) --- > media: mediatek: vcodec: support stateless hevc decoder
> plt(v3) ----> media: mediatek: vcodec: Fix decoder under flow and plt
> test fails randomly
>
> Whether hevc and plt patches merged together?
>
> Whether you mean I need to post v8 for hevc patch based on plt patch as
> below order?
> hevc(v7)
> plt(v3)
> media stage HEAD
>
> I cherry pick all patches, won't get conflict.
>
> Or I need to post hevc patch based on media stage HEAD?
> hevc(v7)
> media stage HEAD

When testing I found a problem with the plt v3 series, so I decided to
drop that and take this hevc v7 series instead.

So you can ignore this email.

I'll make a separate email describing the problem with the plt series.

Regards,

Hans

>
> Best Regards,
> Yunfei Dong
>
> On Wed, 2023-05-24 at 11:27 +0200, Hans Verkuil wrote:
>> External email : Please do not click links or open attachments until
>> you have verified the sender or the content.
>>
>>
>> Hi Yunfei,
>>
>> On 24/05/2023 10:07, Yunfei Dong wrote:
>>> Add hevc stateless decoder driver to support hardware decode in
>>> MT8195, and the driver
>>> need num_delta_pocs_of_ref_rps_idx value to parse slice header
>>> short_term_ref_pic_set().
>>>
>>> patch 1 add num_delta_pocs_of_ref_rps_idx field.
>>> patch 2 add hevc stateless decoder driver.
>>
>> This series clashes with this older series from you:
>>
>>
> https://urldefense.com/v3/__https://patchwork.linuxtv.org/project/linux-media/cover/20230424060130.18395-1-yunfei.dong@xxxxxxxxxxxx/__;!!CTRNKA9wMg0ARbw!ndi-6i9h2KkGhm1Sgg4aAXrI3iYVMKtyxR2bjt-HCujIL5d9-OfSzfJnlvwmVuIRCwgdZtlP4z0zNU1fvCD9WPQvpeyKDyUK$
>>
>> Can you post a v8 that sits on top of that older series?
>>
>> Regards,
>>
>> Hans
>>
>>> ---
>>> Changed from v6:
>>> - fix AngeloGioacchino's suggestion.
>>>
>>> Changed from v5:
>>> - checkpatch/kernel-doc pass/build pass.
>>> - fix warning: struct vdec_av1_slice_fb -> struct
>>> vdec_hevc_slice_fb.
>>> - fix warning: remove unused comment for param "trans_start" and
>>> "trans_end"
>>>
>>> Changed from v4:
>>> - fix some comments according to Nathan's suggestion.
>>>
>>> Changed from v3:
>>> - add the dependency patch to this patch series for patch 1.
>>>
>>> Changed from v2:
>>> - fix one build warning.
>>> - add the dependency patch link.
>>>
>>> Changed from v1:
>>> - fix build error when build 32bit system.
>>> - hevc fluster test result: 132/147 (not support: 10bit => 11 and
>>> resolution => 4).
>>> ---
>>> Benjamin Gaignard (1):
>>> media: uapi: HEVC: Add num_delta_pocs_of_ref_rps_idx field
>>>
>>> Yunfei Dong (1):
>>> media: mediatek: vcodec: support stateless hevc decoder
>>>
>>> .../media/v4l/ext-ctrls-codec-stateless.rst | 7 +
>>> .../media/platform/mediatek/vcodec/Makefile | 1 +
>>> .../vcodec/mtk_vcodec_dec_stateless.c | 59 +-
>>> .../platform/mediatek/vcodec/mtk_vcodec_drv.h | 1 +
>>> .../vcodec/vdec/vdec_hevc_req_multi_if.c | 1097
>>> +++++++++++++++++
>>> .../platform/mediatek/vcodec/vdec_drv_if.c | 4 +
>>> .../platform/mediatek/vcodec/vdec_drv_if.h | 1 +
>>> include/uapi/linux/v4l2-controls.h | 6 +-
>>> 8 files changed, 1174 insertions(+), 2 deletions(-)
>>> create mode 100644
>>> drivers/media/platform/mediatek/vcodec/vdec/vdec_hevc_req_multi_if.
>>> c
>>>
>>
>>