Hi Dafna,
On Fri, May 15, 2020 at 4:30 PM Dafna Hirschfeld
<dafna.hirschfeld@xxxxxxxxxxxxx> wrote:
>
> According to the TRM, the YUV->RGB conversion outputs
> "24 bit word". What it means is that 4 bytes are used with
> 24bit for the RGB and the last byte is ignored.
I don't see this mentioned in the datasheets I have. On the other
hand, XBGR32 indeed makes much more sense, as the 3-byte RGB isn't a
very popular format. Have you validated that the hardware behavior
indeed matches that?
Best regards,
Tomasz
> This matches format V4L2_PIX_FMT_XBGR32.
>
> Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx>
> ---
> drivers/staging/media/rkisp1/rkisp1-capture.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/rkisp1/rkisp1-capture.c b/drivers/staging/media/rkisp1/rkisp1-capture.c
> index f69235f82c45..61b9ebe577b2 100644
> --- a/drivers/staging/media/rkisp1/rkisp1-capture.c
> +++ b/drivers/staging/media/rkisp1/rkisp1-capture.c
> @@ -276,7 +276,7 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_sp_fmts[] = {
> },
> /* rgb */
> {
> - .fourcc = V4L2_PIX_FMT_RGB24,
> + .fourcc = V4L2_PIX_FMT_XBGR32,
> .write_format = RKISP1_MI_CTRL_SP_WRITE_PLA,
> .output_format = RKISP1_MI_CTRL_SP_OUTPUT_RGB888,
> }, {
> --
> 2.17.1
>
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