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SubjectRe: [PATCH v2] hantro: Fix JPEG encoder ENUM_FRMSIZE on RK3399
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On 24.12.22 18:03, Ezequiel Garcia wrote:
> On Sat, Dec 24, 2022 at 09:03:59AM +0100, Benjamin Gaignard wrote:
>> Le 23/12/2022 à 19:16, Nicolas Dufresne a écrit :
>>> Since 79c987de8b354, enumerating framesize on format set with "MODE_NONE"
>>> (any raw formats) is reporting an invalid frmsize.
>>>
>>> Size: Stepwise 0x0 - 0x0 with step 0/0
>>>
>>> Before this change, the driver would return EINVAL, which is also invalid but
>>> worked in GStreamer. The original intent was not to implement it, hence the
>>> -ENOTTY return in this change. While drivers should implement ENUM_FRMSIZE for
>>> all formats and queues, this change is limited in scope to fix the regression.
>>>
>>> This fixes taking picture in Gnome Cheese software, or any software using
>>> GSteamer to encode JPEG with hardware acceleration.
>>>
>>> Fixes: 79c987de8b354 ("media: hantro: Use post processor scaling capacities")
>>> Reported-by: Robert Mader <robert.mader@collabora.com>
>>> Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
>> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
>>
> Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
>
> Thanks,
> Ezequiel

Tested-by: Robert Mader <robert.mader@collabora.com>

Thanks a lot for this Christmas present, confirmed that it fixes the
affected apps / use-cases for me :)

>
>>> ---
>>> drivers/media/platform/verisilicon/hantro_v4l2.c | 7 +++++--
>>> 1 file changed, 5 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/media/platform/verisilicon/hantro_v4l2.c b/drivers/media/platform/verisilicon/hantro_v4l2.c
>>> index 2c7a805289e7b..30e650edaea8a 100644
>>> --- a/drivers/media/platform/verisilicon/hantro_v4l2.c
>>> +++ b/drivers/media/platform/verisilicon/hantro_v4l2.c
>>> @@ -161,8 +161,11 @@ static int vidioc_enum_framesizes(struct file *file, void *priv,
>>> }
>>> /* For non-coded formats check if postprocessing scaling is possible */
>>> - if (fmt->codec_mode == HANTRO_MODE_NONE && hantro_needs_postproc(ctx, fmt)) {
>>> - return hanto_postproc_enum_framesizes(ctx, fsize);
>>> + if (fmt->codec_mode == HANTRO_MODE_NONE) {
>>> + if (hantro_needs_postproc(ctx, fmt))
>>> + return hanto_postproc_enum_framesizes(ctx, fsize);
>>> + else
>>> + return -ENOTTY;
>>> } else if (fsize->index != 0) {
>>> vpu_debug(0, "invalid frame size index (expected 0, got %d)\n",
>>> fsize->index);

--
Robert Mader
Consultant Software Developer

Collabora Ltd.
Platinum Building, St John's Innovation Park, Cambridge CB4 0DS, UK
Registered in England & Wales, no. 5513718

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