From mboxrd@z Thu Jan  1 00:00:00 1970
From: Anatolij Gustschin <agust@denx.de>
Date: Thu, 23 Jan 2020 15:36:41 +0100
Subject: U-Boot Logo showing incorrect colors with eLCDIF
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References: <CAOMZO5B8h+c+aQbM3=L=hLN46MRLH+TH_VtSTEWnhu6yQa4-pQ@mail.gmail.com>
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To: u-boot@lists.denx.de

Hi Fabio,

On Thu, 23 Jan 2020 10:19:08 -0300
Fabio Estevam festevam at gmail.com wrote:
...
> We are converting imx7d-sdb and imx6sx-sdb boards to DM_VIDEO, but we
> are seeing the Freescale logo with incorrect colors (white area is
> being shown blue, for example).
> 
> imx6ul-evk has already been converted to DM_VIDEO and also show the
> incorrect colors.
> 
> We haven't started to investigate this issue yet, but just wanted to
> report in case this is a known issue.

Do you have 'bits-per-pixel' property in your display node in DT?
Is suitable CONFIG_VIDEO_BPPxx option enabled in your board_defconfig ?

Maybe the video uclass code doesn't have correct code four your
bits-per-pixel configuration. Please also try with this patch [1]
applied.
 
> Does U-Boot logo appear with the correct color on your boards with
> eLCDIF controller?

I do not have a board with eLCDIF, so cannot say for sure.

Thanks,
Anatolij

[1] https://gitlab.denx.de/u-boot/custodians/u-boot-video/commit/9a9cf3198e607497a4a900e13930a836e16611f9