[U-Boot] [PATCH] exynos: video: Enable stdout env var backward compatibility for LCD

[Minkyu Kang]

On Tuesday, 17 January 2017, Javier Martinez Canillas <
javier at osg.samsung.com> wrote:

> Commit bb5930d5c97f ("exynos: video: Convert several boards to driver
> model for video") converted the Exynos Chromebooks machines to use DM
> for video, but this breaks backward compatibility with the stdout env
> var since now stdout is expected to be "vidconsole" instead of "lcd".
>
> This causes display to not work when updating u-boot on these boards
> if the old stdout env var is used. Since these are consumer devices,
> there's no easy way to have a serial console so users may be confused
> thinking that u-boot failed to boot, or in the best case will need to
> update the stdout env var blindly to make the display to work again.
>
> There's a CONFIG_VIDCONSOLE_AS_LCD config option to workaround this,
> so enable it in the Chromebooks' default configuration files to allow
> users to change their stdout env var before the workaround is removed.
>
> Suggested-by: Simon Glass <sjg at chromium.org <javascript:;>>
> Signed-off-by: Javier Martinez Canillas <javier at osg.samsung.com
> <javascript:;>>
>
> ---
>
>  configs/peach-pi_defconfig  | 1 +
>  configs/peach-pit_defconfig | 1 +
>  configs/snow_defconfig      | 1 +
>  configs/spring_defconfig    | 1 +
>  4 files changed, 4 insertions(+)
>
> diff --git a/configs/peach-pi_defconfig b/configs/peach-pi_defconfig
> index ef0211842138..fb933efc5a9c 100644
> --- a/configs/peach-pi_defconfig
> +++ b/configs/peach-pi_defconfig
> @@ -60,5 +60,6 @@ CONFIG_DISPLAY=y
>  CONFIG_VIDEO_BRIDGE=y
>  CONFIG_VIDEO_BRIDGE_PARADE_PS862X=y
>  CONFIG_LCD=y
> +CONFIG_VIDCONSOLE_AS_LCD=y
>  CONFIG_TPM=y
>  CONFIG_ERRNO_STR=y
> diff --git a/configs/peach-pit_defconfig b/configs/peach-pit_defconfig
> index 14fe00eb2a4d..cbac99dd8362 100644
> --- a/configs/peach-pit_defconfig
> +++ b/configs/peach-pit_defconfig
> @@ -60,5 +60,6 @@ CONFIG_DISPLAY=y
>  CONFIG_VIDEO_BRIDGE=y
>  CONFIG_VIDEO_BRIDGE_PARADE_PS862X=y
>  CONFIG_LCD=y
> +CONFIG_VIDCONSOLE_AS_LCD=y
>  CONFIG_TPM=y
>  CONFIG_ERRNO_STR=y
> diff --git a/configs/snow_defconfig b/configs/snow_defconfig
> index 47b498b6b2d9..ea0412a73f06 100644
> --- a/configs/snow_defconfig
> +++ b/configs/snow_defconfig
> @@ -68,5 +68,6 @@ CONFIG_VIDEO_BRIDGE=y
>  CONFIG_VIDEO_BRIDGE_PARADE_PS862X=y
>  CONFIG_VIDEO_BRIDGE_NXP_PTN3460=y
>  CONFIG_LCD=y
> +CONFIG_VIDCONSOLE_AS_LCD=y
>  CONFIG_TPM=y
>  CONFIG_ERRNO_STR=y
> diff --git a/configs/spring_defconfig b/configs/spring_defconfig
> index 4a782c80da8f..d20ac0b0e8ce 100644
> --- a/configs/spring_defconfig
> +++ b/configs/spring_defconfig
> @@ -67,5 +67,6 @@ CONFIG_DISPLAY=y
>  CONFIG_VIDEO_BRIDGE=y
>  CONFIG_VIDEO_BRIDGE_PARADE_PS862X=y
>  CONFIG_LCD=y
> +CONFIG_VIDCONSOLE_AS_LCD=y
>  CONFIG_TPM=y
>  CONFIG_ERRNO_STR=y
> --
> 2.7.4
>
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 applied to u-boot-samsung

Thanks


-- 
Thanks.
Minkyu Kang.