Hi Biju,

On Thu, Jan 13, 2022 at 2:45 PM Biju Das <biju.das...@bp.renesas.com> wrote:
>
> Hi All,
>
> RZ/G2{H, M, N} SoC has dw_hdmi IP and it was working ok(colour) till the 
> commit
> 7cd70656d1285b79("drm/bridge: display-connector: implement bus fmts 
> callbacks").
>
> After this patch, the screen becomes greenish(may be it is setting it into 
> YUV format??).
>
> By checking the code, previously it used to call get_input_fmt callback and 
> set colour as RGB24.
>
> After this commit, it calls get_output_fmt_callbck and returns 3 
> outputformats(YUV16, YUV24 and RGB24)
> And get_input_fmt callback, I see the outputformat as YUV16 instead of RGB24.
>
> Not sure, I am the only one seeing this issue with dw_HDMI driver.

I have tested linux-next 20220112 on a imx6q-sabresd board, which shows:

dwhdmi-imx 120000.hdmi: Detected HDMI TX controller v1.30a with HDCP
(DWC HDMI 3D TX PHY)

The colors are shown correctly here.

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