[PATCH 0/9] Enable splash screen

Simon Glass sjg at chromium.org
Tue Mar 14 23:08:01 CET 2023


Hi Nikhil,

On Mon, 13 Mar 2023 at 04:15, Nikhil M Jain <n-jain1 at ti.com> wrote:
>
> To enable splash screen at SPL stage move video driver and splash screen
> framework at SPL, which will bring up image on display very quickly and
> thus have early display support in SPL.
>
> Nikhil M Jain (9):
>   drivers: video: Kconfig: Necessary configs for video at SPL
>   drivers: video: tidss: Kconfig: Configs to enable TIDSS at SPL
>   cmd: Kconfig: Add necessary configs for splash screen at SPL
>   drivers: video: Makefile: Compile video driver files at SPL
>   drivers: video: tidss: Makefile: Add condition to compile TIDSS at SPL
>   cmd: Makefile: Add rules to build bmp.c and read.c at SPL
>   common: splash: Enable splash_display at SPL stage
>   drivers: video: video-uclass: Disable u-boot logo at SPL
>   board: ti: am62x: evm: OSPI support for splash screen
>
>  board/ti/am62x/evm.c         |  6 ++++++
>  cmd/Kconfig                  | 17 +++++++++++++++++
>  cmd/Makefile                 |  2 ++
>  common/splash.c              |  2 +-
>  drivers/video/Kconfig        | 32 ++++++++++++++++++++++++++++----
>  drivers/video/Makefile       |  6 ++++++
>  drivers/video/tidss/Kconfig  |  6 ++++++
>  drivers/video/tidss/Makefile |  1 +
>  drivers/video/video-uclass.c |  2 +-
>  include/splash.h             |  2 +-
>  10 files changed, 69 insertions(+), 7 deletions(-)

I'm not necessarily arguing against this, but what is the need for
this? How many milliseconds earlier does the image appear with this
patch? What is the bottleneck? We should be able to get to U-Boot
proper very quickly.

Regards,
Simon


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