[PATCH v5 0/8] Move framebuffer reservation for SPL to RAM end

[Devarsh Thakkar]

Hi Antoine,

On 05/12/23 21:25, Devarsh Thakkar wrote:
> Move video memory reservation for SPL at end of RAM so that it does
> not interefere with reservations for next stage so that the next stage
> need not have holes in between for passed regions and instead it can
> maintain continuity in reservations.
> 
> Also catch the bloblist before starting reservations to avoid the same
> problem.
> 
> While at it, also fill missing fields in video handoff struct before
> passing it to next stage.
> 
> This is as per discussions at :
> For moving SPL framebuffer reservation at end of RAM:
> 
> https://lore.kernel.org/all/CAPnjgZ3xSoe_G3yrqwuAvoiVjUfZ+YQgkOR0ZTVXGT9VK8TwJg@mail.gmail.com/
> 
> For filling missing video handoff fields :
> https://lore.kernel.org/all/CAPnjgZ1Hs0rNf0JDirp6YPsOQ5=QqQSP9g9qRwLoOASUV8a4cw@mail.gmail.com/
> 
> Changelog:
> V2:
> - Make a generic function to reserve video memory at SPL stage.
> - Add debug prints while skipping framebuffer allocation at uboot.
> - Correct commenting style as suggested.
> 
> V3:
> - Change spl_reserve_video to spl_reserve_video_from_ram_top
>   which enforce framebuffer reservation from end of RAM.
> - Use gd->ram_top instead of local ram_top and update
>   gd->reloc_addr after each reservation.
> - Print error message on framebuffer reservation.
> - Update SPL doc with spl splash screen specific info.
> 
> V4:
> - Split patches into atomic commits.
> - Remove duplicate check for video blob passed addresses and error out
>   if invalid address/size received from blob.
> - Improve SPL documentation memory reservation scheme and print message
>   for video memory reservation from bloblist. 
> - Add Reviewed-By.
> 
> V5:
>  - Add comment for filling video handoff size with aligned size
>  - Use PHASE_BOARD_F while checking for U-boot proper stage
>  - Add Reviewed-by
> 

Is it possible to pull this series in if no further comments ?

Regards
Devarsh

> Test logs:
> https://gist.github.com/devarsht/30a3c1591270c9ebae00714b48d33058
> 
> Devarsh Thakkar (8):
>   spl: Enforce framebuffer reservation from end of RAM
>   arm: mach-k3: common: Reserve video memory from end of the RAM
>   board: ti: am62x: evm: Remove video_setup from spl_board_init
>   common/board_f: Catch bloblist before starting reservations
>   video: Skip framebuffer reservation if already reserved
>   video: Fill video handoff in video post probe
>   doc: spl: Add info for missing Kconfigs
>   doc: spl: Add info regarding memory reservation
> 
>  arch/arm/mach-k3/common.c    | 17 ++++++++++-----
>  board/ti/am62x/evm.c         | 18 ----------------
>  common/board_f.c             | 41 +++++++++++++++++++++++++++++++-----
>  common/spl/spl.c             | 19 +++++++++++++++++
>  doc/develop/spl.rst          | 37 ++++++++++++++++++++++++++++++++
>  drivers/video/video-uclass.c | 40 ++++++++++++++++++++++++-----------
>  include/spl.h                | 10 +++++++++
>  7 files changed, 142 insertions(+), 40 deletions(-)
>