Re: [PATCH v2 4/8] venus: helpers: Calculate properly compressed buffer size

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Nov 11, 2020 at 6:38 AM Stanimir Varbanov
<stanimir.varbanov@xxxxxxxxxx> wrote:
>
> For resolutions below 720p the size of the compressed buffer must
> be bigger. Correct this by checking the resolution when calculating
> buffer size and multiply by four.

I'm confused because the commit message doesn't appear to line up with
the code.  It says multiply by four here, but the code has by eight.

>
> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>
> ---
>  drivers/media/platform/qcom/venus/helpers.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
> index 688e3e3e8362..490c026b58a3 100644
> --- a/drivers/media/platform/qcom/venus/helpers.c
> +++ b/drivers/media/platform/qcom/venus/helpers.c
> @@ -986,6 +986,8 @@ u32 venus_helper_get_framesz(u32 v4l2_fmt, u32 width, u32 height)
>
>         if (compressed) {
>                 sz = ALIGN(height, 32) * ALIGN(width, 32) * 3 / 2 / 2;
> +               if (width < 1280 || height < 720)
> +                       sz *= 8;
>                 return ALIGN(sz, SZ_4K);
>         }
>
> --
> 2.17.1
>



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux