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

Devarsh Thakkar devarsht at ti.com
Mon Jan 29 17:11:44 CET 2024


Hi Anatolij, Tom,

On 08/01/24 13:32, Devarsh Thakkar wrote:
> Hi Anatolij, Tom,
> 
> On 26/12/23 15:17, Simon Glass wrote:
>> On Wed, Dec 13, 2023 at 2:56 PM Devarsh Thakkar <devarsht at ti.com> wrote:
>>>
>>> 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 ?
>>
>> Yes please, this has been pending for a while.
> 
> Gentle reminder. Is it possible to pick this series ?
> 

Gentle reminder.
Is it possible to pull this in for current merge window for v2024.04 ?

Regards
Devarsh
> Regards
> Devarsh
> 
>>
>>>
>>> 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(-)
>>>>
>>
>> Regards,
>> Simon


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