Re: [PATCH 2/2] venus: venc: fix handlig of S_SELECTION and G_SELECTION

From: Stanimir Varbanov
Date: Wed Sep 30 2020 - 21:32:49 EST


Hi Tomasz,

On 9/25/20 11:55 PM, Tomasz Figa wrote:
> Hi Dikshita, Stanimir,
>
> On Thu, Sep 24, 2020 at 7:31 PM Dikshita Agarwal
> <dikshita@xxxxxxxxxxxxxx> wrote:
>>
>> From: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>
>>
>> - return correct width and height for G_SELECTION
>> - if requested rectangle wxh doesn't match with capture port wxh
>> adjust the rectangle to supported wxh.
>>
>> Signed-off-by: Dikshita Agarwal <dikshita@xxxxxxxxxxxxxx>
>> ---
>> drivers/media/platform/qcom/venus/venc.c | 20 ++++++++++++--------
>> 1 file changed, 12 insertions(+), 8 deletions(-)
>>
>> diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
>> index 7d2aaa8..a2cc12d 100644
>> --- a/drivers/media/platform/qcom/venus/venc.c
>> +++ b/drivers/media/platform/qcom/venus/venc.c
>> @@ -463,13 +463,13 @@ static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
>> switch (s->target) {
>> case V4L2_SEL_TGT_CROP_DEFAULT:
>> case V4L2_SEL_TGT_CROP_BOUNDS:
>> - s->r.width = inst->width;
>> - s->r.height = inst->height;
>> - break;
>> - case V4L2_SEL_TGT_CROP:
>> s->r.width = inst->out_width;
>> s->r.height = inst->out_height;
>> break;
>> + case V4L2_SEL_TGT_CROP:
>> + s->r.width = inst->width;
>> + s->r.height = inst->height;
>> + break;
>> default:
>> return -EINVAL;
>> }inter
>> @@ -490,10 +490,14 @@ static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
>>
>> switch (s->target) {
>> case V4L2_SEL_TGT_CROP:
>> - if (s->r.width != inst->out_width ||
>> - s->r.height != inst->out_height ||
>> - s->r.top != 0 || s->r.left != 0)
>> - return -EINVAL;
>> + if (s->r.width != inst->width ||
>> + s->r.height != inst->height ||
>> + s->r.top != 0 || s->r.left != 0) {
>> + s->r.top = 0;
>> + s->r.left = 0;
>> + s->r.width = inst->width;
>> + s->r.height = inst->height;
>
> What's the point of exposing the selection API if no selection can
> actually be done?

If someone can guarantee that dropping of s_selection will not break
userspace applications I'm fine with removing it.

I implemented g/s_selection with the idea to add crop functionality
later because with current firmware interface it needs more work.

--
regards,
Stan